Overview of the events of 2019 in paleontology
La paleontología o paleontología es el estudio de las formas de vida prehistóricas en la Tierra a través del examen de fósiles de plantas y animales . [1] Esto incluye el estudio de fósiles corporales, huellas ( icnitas ), madrigueras , partes desechadas, heces fosilizadas ( coprolitos ), palinomorfos y residuos químicos . Debido a que los humanos han encontrado fósiles durante milenios, la paleontología tiene una larga historia tanto antes como después de formalizarse como ciencia . Este artículo registra descubrimientos y eventos significativos relacionados con la paleontología que ocurrieron o fueron publicados en el año 2019.
Flora
Plantas
Hongos
Investigación paleomicológica
Esponjas
Investigación
Nuevos taxones
Cnidarios
Investigación
- Sun, Elias y Lee (2019) publican un estudio sobre las características de crecimiento de tres especies de corales del Ordovícico pertenecientes al género Agetolites de la Formación Xiazhen ( China ), y sobre sus implicaciones para inferir las relaciones filogenéticas de este género. [33]
- Harris et al. (2019) publican un estudio sobre un gran coral rugoso colonial de la Formación Kope del Ordovícico ( Kentucky , Estados Unidos ). [34]
- Liang, Elias y Lee (2019) publicaron un estudio sobre la morfología , las características de crecimiento y las relaciones filogenéticas del coral tabulado silúrico Halysites catenularius . [35]
- Landmeyer et al. (2019) informaron de fósiles de corales tabulados sin septos en Carolina del Sur , lo que representa la primera evidencia de que areniscas paleozoicas no metamorfoseadas y ligeramente endurecidas afloran entre los depósitos de la provincia de la llanura costera atlántica de los Estados Unidos . [36] Este hallazgo es muy discutido porque todas las demás rocas de la era paleozoica en el área de estudio están muy metamorfoseadas, las rocas donde se encontraron los fósiles se mapean tradicionalmente como la Formación Middendorf del Cretácico y se sugiere que los fósiles en cuestión son la corteza de coníferas cretácicas en arenisca cretácica, en lugar de corales paleozoicos en arenisca paleozoica. [37]
- Weiss y Martindale (2019) publicaron un estudio cuyo objetivo era determinar si la selección ecológica basada en la fisiología, el comportamiento, el hábitat, etc., jugó un papel en la supervivencia a largo plazo de los corales durante el Paleoceno tardío y el Eoceno temprano . [38]
- Precht et al. (2019) informan sobre fósiles de Acropora prolifera que datan del Pleistoceno . [39]
- Jones et al. (2019) publican un estudio sobre la distribución de los corales de arrecife durante el último interglacial y también evalúan la utilidad de los datos de corales de arrecife fósiles para predecir el impacto de los cambios climáticos futuros en los corales de arrecife. [40]
- Un estudio sobre un espécimen fósil problemático de la Formación Devónica Ponta Grossa ( Brasil ), asignado por diferentes autores a la especie Serpulites sica o Euzebiola clarkei , es publicado por Van Iten et al. (2019), quienes interpretan este fósil como un medusozoo capaz de gemación clonal , y lo transfieren al género Sphenothallus . [41]
- Zapalski y Berkowski han descrito los ecosistemas de coral mesofóticos más antiguos, que datan del Silúrico medio, de los lechos inferiores de Visby en Gotland. [42] Estas comunidades, dominadas por corales laminares, también brindan pistas sobre el inicio de la simbiosis coral-alga.
- Mihaljević (2019) describe nuevas colecciones de corales fósiles del Oligoceno y Mioceno de Sarawak ( Malasia ), la isla de Negros y Cebú ( Filipinas ). [43]
- Senowbari-Daryan & Link (2019) publican un estudio sobre la anatomía, ontogenia y taxonomía del hidrozoo noriano Heterastridium , basado en datos de especímenes fósiles del centro de Irán y el sur de Turquía . [44]
Nuevos taxones
Artrópodos
Briozoos
Braquiópodos
Moluscos
Equinodermos
Investigación
- Topper et al. (2019) publican un estudio sobre la morfología y las relaciones filogenéticas del supuesto equinodermo del tallo Yanjiahella biscarpa ; [84] el estudio es posteriormente criticado por Zamora et al. (2020). [85] [86]
- Lefebvre et al. (2019) describen rastros de tejido blando encontrados junto con moldes esqueléticos en estilóforos , quienes interpretan sus hallazgos como un respaldo a las afinidades de los estilóforos con los equinodermos y no con los hemicordados . [87]
- Nohejlová et al. (2019) publican un estudio sobre la morfología y las relaciones filogenéticas del equinodermo lepidocistoideo Vyscystis . [88]
- Sheffield y Sumrall (2019) publican un estudio sobre las relaciones filogenéticas de los blastozoos diploporitanos . [89]
- Sheffield y Sumrall (2019) publican un estudio sobre la morfología del sistema ambulacral de alimentación en el diploporita del Ordovícico Eumorphocystis , tal como lo indican los datos de especímenes bien conservados de la Formación Bromide ( Oklahoma , Estados Unidos ), quienes interpretan sus hallazgos como una indicación de que Eumorphocystis estaba estrechamente relacionado con los crinoideos y que los crinoideos están anidados dentro de los blastozoos; [90] sus conclusiones sobre la relación entre Eumorphocystis y los crinoideos son posteriormente refutadas por Guensburg et al. (2020). [91]
- Bauer, Waters y Sumrall (2019) publican un estudio sobre la morfología y las relaciones filogenéticas de Macurdablastus uniplicatus . [92]
- Un estudio sobre la morfología y las relaciones filogenéticas de Hexedriocystis es publicado en línea por Zamora & Sumrall (2019), quienes consideran a este taxón como un blastozoo. [93]
- Shroat-Lewis, Greenwood y Sumrall (2019) publican un estudio sobre la paleoecología de los especímenes del edrioasteroide Neoisorophusella lanei conservados en losas de piedra caliza de la Formación Kinkaid del Carbonífero ( Chesteriano ) ( Illinois , Estados Unidos ). [94]
- Peter (2019) publicó un estudio sobre la morfología de Cupulocrinus y sus implicaciones para inferir el origen de los crinoideos flexibles . [95]
- Cole (2019) publicó un estudio sobre las relaciones filogenéticas de los crinoideos diplobatrídeos . [96]
- Cole (2019) publicó en línea un estudio sobre los controles biológicos y ecológicos de la duración de los géneros de crinoideos diplobatrídeos. [97]
- Brom (2019) publicó un estudio sobre los patrones macroevolutivos de las tendencias del tamaño corporal de los crinoideos citocrinidos . [98]
- Cole, Wright y Ausich (2019) publican un estudio sobre los patrones de estructura de la paleocomunidad y la partición del nicho en crinoideos del Ordovícico ( Katian ) Brechin Lagerstätte ( Ontario , Canadá ). [99]
- Saulsbury & Zamora (2019) publica en línea un estudio sobre la anatomía de los sistemas nervioso y circulatorio del crinoideo del Cretácico Decameros ricordeanus y sobre las relaciones filogenéticas de esta especie. [100]
- Thompson y Bottjer (2019) publicarán un estudio sobre la preferencia de sustrato en los erizos de mar del grupo de tallos durante el período Carbonífero . [101]
- Pietsch et al. (2019) publican un estudio sobre la recuperación de los erizos de mar en el Triásico temprano después de la extinción masiva del Pérmico-Triásico [102] .
- Una estrella frágil fósil perteneciente al género Ophiopetra , que representa el primer registro de estrella frágil articulada del Mesozoico de América del Sur reportado hasta el momento, es descrita del Miembro Agua de la Mula del Cretácico Inferior de la Formación Agrio ( Argentina ) por Fernández et al. (2019), quienes transfieren el género Ophiopetra a la familia Ophionereididae dentro del orden Amphilepidida . [103]
Nuevos taxones
Conodontos
Investigación
- Balter et al. (2019) publican un estudio sobre los hábitos alimentarios de los conodontos, según lo indican los datos de los isótopos estables de calcio. [134]
- Medici et al. (2019) publican en línea un estudio sobre la variación de la estructura cristalina del elemento conodonte a lo largo de su historia evolutiva. [135]
- Ginot y Goudemand (2019) publican un estudio sobre la evolución de elementos P 1 similares a plataformas en conodontos, evaluando su posible vínculo con la ecología de los conodontos. [136]
- Barnes (2019) publicó en línea un estudio sobre el impacto de los cambios ambientales del Paleozoico temprano en la evolución y la paleoecología de los conodontos de la parte canadiense de Laurentia . [137]
- Mestre & Heredia (2019) publica en línea un estudio sobre la morfología, las ocurrencias y el valor bioestratigráfico de Paroistodus horridus . [138]
- Yang et al. (2019) publican una revisión de la taxonomía y las relaciones evolutivas de los géneros del Ordovícico tardío Tasmanognathus y Yaoxianognathus . [139]
- Dhanda et al. (2019) publicaron un estudio sobre la composición y arquitectura del aparato de Erismodus quadridactylus . [140]
- Corriga y Corradini (2019) publican un estudio sobre la ontogenia de la especie de conodonte de Lochkov, Ancyrodelloides carlsi . [141]
- Świś (2019) publica un estudio sobre fósiles de miembros del género Alternognathus del Devónico superior de la cantera de Kowala ( Polonia central ), que intenta calibrar el curso de su ontogenia en días y documentar eventos cíclicos de mortalidad. [142]
- El aparato de Vogelgnathus simplicatus es reconstruido a partir de elementos discretos de una muestra de diversidad limitada de los estratos Carboníferos de Irlanda por Sanz-López, Blanco-Ferrera y Miller (2019). [143]
- Souquet y Goudemand (2019) informan sobre elementos de conodontos neospatódidos con un cuerpo basal parcialmente preservado (una de las dos partes principales de los elementos de conodontos, además de la corona) del Triásico Inferior de Omán , e interpretan su hallazgo como una indicación de que la ausencia de cuerpos basales en conodontos post- Devónicos se debió únicamente a un sesgo de preservación. [144]
- Takahashi, Yamakita y Suzuki (2019) describen conjuntos naturales de conodontos que conservan posibles impresiones de "ojos" a partir de arcillas negras pelágicas del Triásico Inferior del Cinturón de Kitakami del Norte ( Japón ). [145]
- Huang et al. (2019) publican un estudio sobre la composición del aparato de Nicoraella , basado en datos de cúmulos de la Biota Luoping del Triásico Medio ( Yunnan , China ). [146]
- Huang et al. (2019) reconstruyeron la arquitectura del aparato de Nicoraella kockeli y también evaluaron las interpretaciones funcionales propuestas del aparato de alimentación del conodonto. [147]
- Chen et al. (2019) publican un estudio sobre conjuntos de conodontes del Triásico Medio de la sección Jenzig de la Formación Jena y la sección Troistedt de la Formación Meissner ( Alemania ), quienes también estudian la morfología de los aparatos de Neogondolella haslachensis y Nicoraella germanica , y revisan y corrigen la especie Neogondolella mombergensis . [148]
- Guenser et al. (2019) publican un estudio que evalúa la variación morfológica cuantitativa de los elementos de conodontes P 1 dentro y entre siete morfoespecies de conodontes de la sección Pizzo Mondello ( Sicilia , Italia ) y su evolución dentro de 7 millones de años alrededor del límite Carniano / Noriano . [149]
- Suttner y Kido (2019) publicaron en línea un estudio sobre la tafonomía del tejido basal de elementos conodontes. [150]
Nuevos taxones
Peces
Anfibios
Reptiles
Sinápsidos
Sinápsidos no mamíferos
Investigación
- Lungmus y Angielczyk (2019) publicaron un estudio sobre la diversidad morfológica y los cambios morfológicos de los húmeros de los sinápsidos del Paleozoico y Triásico a través del tiempo. [159]
- Krone, Kammerer y Angielczyk (2019) publicaron un estudio sobre la diversidad de patrones de forma del cráneo (centrándose en las longitudes relativas de las regiones de la cara y la caja craneana del cráneo) en sinápsidos no mamíferos. [160]
- Haridy et al. (2019) describen dos vértebras de la cola patológicamente fusionadas de un varanópido , probablemente afectado por una enfermedad ósea metabólica muy similar a la enfermedad ósea de Paget , de la localidad de Richards Spur del Pérmico temprano ( Oklahoma , Estados Unidos ) . [161]
- Mann & Paterson (2019) publican en línea una descripción de nuevos restos de cráneo de Echinerpeton intermedium y un estudio sobre las relaciones filogenéticas de esta especie. [162]
- Romano et al. (2019) describen material fósil de un gran sinápsido carnívoro perteneciente a la familia Sphenacodontidae de la localidad de Torre del Porticciolo ( Italia ) , representando el primer sinápsido carnívoro no terápsido del Pérmico de Italia reportado hasta ahora, y uno de los pocos conocidos de Europa. [163]
- Brink, MacDougall y Reisz (2019) publican una descripción de la morfología e histología de una pequeña espina neural de la localidad Richards Spur del Pérmico Temprano ( Oklahoma , Estados Unidos ) atribuible a Dimetrodon , quienes también informan evidencia de dientes fósiles indicativos de la presencia de una especie derivada de Dimetrodon (por lo demás típica de localidades posteriores, kungurienses, de Texas y Oklahoma) en la localidad Richards Spur. [164]
- Kulik y Sidor (2019) publicaron un estudio sobre la histología del techo del cráneo de los biarmosuquios burnetiamorfos . [165]
- Shelton, Chinsamy y Rothschild (2019) describen el fémur de un ejemplar de la especie de titanosúquido Jonkeria parva afectado por osteomielitis del Pérmico de la cuenca de Karoo ( Sudáfrica ). [166]
- Whitney y Sidor (2019) publican un estudio sobre las adaptaciones a la herbivoría en los dientes de los miembros de la familia Tapinocephalidae . [167]
- Rubidge, Govender y Romano (2019) describen un esqueleto casi completo de Tapinocaninus pamelae , que aporta nueva información sobre la anatomía del esqueleto apendicular de esta especie (incluido el primer recuento vertebral preciso de un dinocéfalo ), del Grupo Beaufort más bajo de Sudáfrica . [168]
- Romano y Rubidge (2019) presentan estimaciones de masa corporal para un esqueleto completo y bien conservado de Tapinocaninus pamelae del Grupo Beaufort más bajo de Sudáfrica. [169]
- Fraser-King et al. (2019) publican un estudio sobre la anatomía del cráneo y las relaciones filogenéticas de Styracocephalus platyrhynchus . [170]
- Griffin y Angielczyk (2019) publicaron un estudio sobre la evolución de las vértebras sacras de los dicinodontes . [171]
- Liu (2019) publicó un estudio sobre la diversidad de dicinodontos de la Formación Naobaogou del Pérmico Superior ( China ). [172]
- Ordonez et al. (2019) publican un estudio sobre cráneos de dicinodontes sudamericanos, cuyo objetivo es determinar si las diferencias en la morfología del cráneo estaban relacionadas con diferencias en la función alimentaria. [173]
- Macungo et al. describen nuevo material fósil de Endothiodon tolani de la Formación Pérmica K5 de Metangula Graben ( Mozambique ). (2019). [174]
- Maharaj, Chinsamy y Smith (2019) publican en línea un estudio sobre la anatomía del esqueleto postcraneal de Endothiodon bathystoma , basado en datos de un nuevo espécimen de la zona de ensamblaje superior de Pristerognathus del supergrupo Karoo ( Sudáfrica ). [175]
- Angielczyk (2019) describe un pequeño cráneo de dicinodonte asignado al género Digalodon de la Formación Mudstone Madumabisa superior del Lopingiano ( Zambia ), ampliando el rango geográfico conocido de este género. [176]
- De Simão-Oliveira, Kerber y Pinheiro (2019) reconstruyeron el endocast digital de Rastodon procurvidens y evaluaron las implicaciones biológicas de la morfología del endocast de esta especie. [177]
- Mancuso & Irmis (2019) describen un cúbito de un miembro del género Stahleckeria de la Formación Chañares ( Argentina ), y evalúan las implicancias de este hallazgo para el conocimiento de la bioestratigrafía y biogeografía del Triásico Gondwana . [178]
- Romano & Manucci (2019) publica en línea un estudio sobre la masa corporal de Lisowicia bojani . [179]
- Un estudio sobre fósiles de un supuesto dicinodonte del Cretácico de Australia publicado por Thulborn y Turner (2003) [180] es publicado en línea por Knutsen y Oerlemans (2019), quienes consideran que estos fósiles son de la era Plioceno - Pleistoceno y los reinterpretan como fósiles de un gran mamífero, probablemente un diprotodontido . [181]
- Grunert, Brocklehurst y Fröbisch (2019) publicaron un estudio cuyo objetivo era determinar patrones de diversidad morfológica y filogenética de los terocéfalos a lo largo de su historia evolutiva. [182]
- Brocklehurst (2019) publicó un estudio sobre la variación en las tasas de evolución del tamaño corporal de los terocéfalos. [183]
- Fontanarrosa et al. (2019) publican un estudio sobre la morfología de las manos de un nuevo espécimen de terocéfalo perteneciente al género Tetracynodon del Triásico Temprano de Sudáfrica , y sobre la evolución de la morfología de las manos de los terocéfalos. [184]
- Lukic-Walther et al. (2019) publican un estudio sobre los patrones de riqueza de especies de cinodontes no mamíferos y la calidad de su registro fósil . [185]
- Butler, Abdala y Botha-Brink (2019) publican un estudio sobre la morfología y la histología ósea del esqueleto postcraneal de Galesaurus planiceps . [186]
- La redescripción de la anatomía del cráneo de Galesaurus planiceps fue publicada por Pusch, Kammerer y Fröbisch (2019). [187]
- Hendrickx, Abdala y Choiniere (2019) publican la descripción de los dientes de todos los taxones conocidos de cinodontes diademodontos y triracodóntidos , además proponen una lista estandarizada de términos anatómicos y abreviaturas en el estudio de los dientes de los gonfodóntidos , asignan a Sinognathus y Beishanodon a la familia Trirachodontidae y consideran que todos los especímenes anteriormente referidos a la especie Cricodon kannemeyeri son individuos más jóvenes de Trirachodon berryi . [188]
- Veiga, Botha-Brink y Soares (2019) publican un estudio sobre la histología ósea de los cinodontos traversodóntidos Protuberum cabralense y Exaeretodon riograndesis . [189]
- Melo et al. (2019) describen los dientes postcaninos hipsodontes de Menadon besairiei , quienes también estudian los patrones de crecimiento y reemplazo dental en esta especie. [190]
- Hoffmann et al. (2019) reconstruyeron endocasts digitales de Massetognathus ochagaviae y Probelesodon kitchingi . [191]
- Schmitt et al. (2019) describen un cráneo de un miembro de la especie Massetognathus ochagaviae de la zona de ensamblaje de Santacruzodon del Carniano de la supersecuencia Santa Maria ( Rio Grande do Sul , Brasil ). [192]
- Pavanatto, Kerber y Dias-da-Silva (2019) describen los endocasts cerebrales de Siriusgnathus niemeyerorum y Exaeretodon riograndensis , utilizando modelos virtuales basados en datos de tomografía computarizada. [193]
- Miron et al. (2019) publican en línea una descripción de nuevo material fósil de Siriusgnathus niemeyerorum de la Formación Caturrita del Triásico Superior ( Brasil ) y un estudio sobre la edad de sus fósiles. [194]
- Benoit et al. (2019) publican en línea un estudio sobre la evolución del canal maxilar infraorbitario en cinodontos probainognatios y sus implicaciones para el conocimiento de la evolución de los bigotes móviles en sinápsidos no mamíferos, como lo indican los datos de cráneos de cinodontos probainognatios no mamíferos y de los primeros mamíferos . [195 ]
- Rodrigues et al. (2019) reconstruyeron un endocasto digital del cráneo de un espécimen de Riograndia guaibensis . [196]
- Guignard, Martinelli y Soares (2019) publican la descripción de la anatomía de los primeros especímenes postcraneales atribuibles a Riograndia guaibensis . [197]
- Guignard, Martinelli y Soares (2019) publican un estudio sobre la anatomía del esqueleto postcraneal de Brasilodon quadrangularis . [198]
- Kalthoff et al. (2019) publican un estudio sobre los patrones de desgaste dental de los miembros de la familia Tritylodontidae y sobre su posible dieta . [199]
- Lasseron (2019) describe posibles dientes de cinodonte, que podrían ser los fósiles de cinodonte no mamíferoforme más recientes de África reportados hasta ahora, de la localidad del Jurásico tardío o Cretácico temprano de Ksar Metlili (sinclinal Anoual, este de Marruecos ). [200]
- Navarro-Díaz, Esteve-Altava y Rasskin-Gutman (2019) publican un estudio sobre el origen de los huesecillos del oído medio de los mamíferos , tal como lo indica la anatomía del complejo ótico-mandibular en 43 taxones de sinápsidos. [201]
- Jones, Angielczyk y Pierce (2019) publican un estudio sobre la evolución de la complejidad morfológica de la columna vertebral de los mamíferos, según lo indican los datos de sinápsidos de mamíferos y no mamíferos. [202]
Nuevos taxones
Mamíferos
Otros animales
Nuevos taxones
Investigación
- Ivantsov, Zakrevskaya y Nagovitsyn (2019) publican un estudio sobre los moldes de animales pertenecientes al grupo Proarticulata del área sudoriental del Mar Blanco ( Rusia ) y sobre sus implicaciones para el conocimiento de la morfología de los tegumentos de los miembros de Proarticulata. [253]
- Gibson et al. (2019) publican un estudio sobre las acumulaciones de Ernietta en la subcuenca de Witputs ( Namibia ) y sus implicaciones para el conocimiento de la ecología de estos organismos. [254]
- Cai et al. (2019) describen un conjunto diverso de fósiles tubulares, dominado por organismos típicos del Ediacárico, como Cloudina y Sinotubulites , pero que también conserva fósiles que muestran similitudes con fósiles con conchas del Cámbrico temprano , de la Formación Dengying del Ediacárico ( China ) . [255]
- Letsch et al. (2019) informan sobre fósiles discoidales de tipo Ediacara del Ediacárico tardío y microfósiles del Ediacárico tardío al Cámbrico temprano de los miembros Tabia y Tifnout de la Formación Adoudou ( Marruecos ), que constituyen la evidencia directa más antigua conocida de presumiblemente vida animal del noroeste de África. [256]
- Min et al. (2019) publicaron un estudio que describe los diferentes tipos de reproducción asexual de Cloudina y Multiconotubus . [257]
- Dunn et al. (2019) publican un estudio sobre la anatomía de Charnia masoni . [258]
- Evans, Gehling y Droser (2019) publicaron un estudio que evalúa si Dickinsonia era capaz de moverse. [259]
- Evans et al. (2019) publicaron un estudio que compara las respuestas biomecánicas de los tejidos de Dickinsonia a diversas fuerzas con las típicas de los organismos modernos. [260]
- Dunn, Liu y Gehling (2019) publicaron un estudio sobre la anatomía, el crecimiento y las relaciones filogenéticas de Arborea arborea . [261]
- Xiao et al. (2019) describen un nuevo fósil traza de la Formación Dengying ediacárica (China), interpretado como producido por un animal bilateral que exploró un oasis de oxígeno en tapetes microbianos , y nombran un nuevo icnotaxón Yichnus levis . [262]
- MacGabhann et al. ( 2019) publican un estudio sobre moldes y vaciados fósiles del Ordovícico de Marruecos y del Devónico de Nueva York , así como sobre moldes y vaciados fósiles del Ediacárico de Australia del Sur , la región del Mar Blanco de Rusia , Namibia y Terranova , y evalúan con qué fidelidad los fósiles representan a los organismos originales, y si los primeros animales que evolucionaron en la Tierra podrían haberse fosilizado de forma similar a los eldónidos de Tafilalt Lagerstätte de Marruecos. [263]
- Pruss et al. (2019) informan sobre arqueociatos fosfatados excepcionalmente conservados y pequeños fósiles de conchas de la Formación Salaagol del Cámbrico Inferior del suroeste de Mongolia . [264]
- Cordie et al. (2019) publican un estudio sobre el momento del desarrollo de la biodiversidad de los arrecifes , basado en datos de arrecifes microbianos y arqueociatos de la Formación Salaagol en Mongolia y otros arrecifes del Paleozoico temprano. [265]
- Cordie y Dornbos (2019) publicaron un estudio sobre la diversidad morfológica de los arqueociatos. [266]
- Pratt y Kimmig (2019) presentan evidencia de excavaciones extensas en arcilla laminada del Lagerstätte del río Ravens Throat del Cámbrico ( Drumiano ) en la Formación Rockslide ( Canadá ). [267]
- Parry et al. (2019) publican una descripción del aparato mandibular de Plumulites bengtsoni de la Formación Fezouata de Marruecos , evaluando sus implicaciones para el conocimiento de las relaciones filogenéticas de los machaeridios . [268]
- Parry y Caron (2019) publican una descripción de las características anatómicas internas de Canadia spinosa identificadas como restos del sistema nervioso . [269]
- Georgieva et al. (2019 ) publican un estudio sobre la composición química, la morfología y la filogenia de los tubos de anélidos fósiles ( Cenozoicos , Mesozoicos y Paleozoicos ) y de los tubos que antes se creía que habían sido hechos por anélidos, recuperados de ambientes de respiraderos hidrotermales y filtraciones frías . [270]
- A massive deposit composed of fossil serpulid worm tubes dating to the late Pleistocene is reported from the Santa Monica Basin off the coast of southern California by Georgieva et al. (2019).[271]
- A study on the microstructure of hyolith conchs and opercula from the lower Cambrian Xinji Formation of North China, and on its implications for inferring the phylogenetic relationships of Hyolitha, is published by Li et al. (2019).[272]
- Description of soft parts associated with the feeding apparatus of the hyolith Triplicatella opimus from the Chengjiang biota of South China, and a study on the implications of this finding for the knowledge of the phylogenetic affinities of hyoliths, is published online by Liu et al. (2019).[273]
- A study on changes of conch size in tentaculitoids from the Silurian and Devonian strata is published by Wei (2019).[274]
- A study on the anatomy of Amiskwia sagittiformis is published by Vinther & Parry (2019), who interpret two reflective patches present in fossils of this species, previously interpreted as paired cerebral ganglia, as a pair of pharyngeal jaws similar to those of gnathiferans.[275]
- A study on the anatomy and phylogenetic affinities of Amiskwia sagittiformis is published by Caron & Cheung (2019).[276]
- The oldest record of acanthocephalan parasite eggs described so far is reported from probable crocodyliform coprolites from the Upper Cretaceous Adamantina Formation (Brazil) by Cardia et al. (2019).[277]
- Exceptionally preserved trace and body fossils are described from the Cambrian File Haidar Formation (Sweden) by Kesidis et al. (2019), who interpret these fossils as made by priapulid-like scalidophorans.[278]
- Description of exuviae of microscopic scalidophoran worms from the lowermost Cambrian Kuanchuanpu Formation (China) is published by Wang et al. (2019), who interpret this finding as the oldest record of moulting in ecdysozoans reported so far.[279]
- A reassessment of radiodontan fossils known from the Cambrian Kinzers Formation (Pennsylvania, United States) is published by Pates & Daley (2019), who argue that at least four radiodontan taxa are known from this formation, and confirm that Anomalocaris pennsylvanica is a distinct species from A. canadensis.[280]
- A study on the moulting behaviour of the chengjiangocaridid fuxianhuiid Alacaris mirabilis is published by Yang et al. (2019).[281]
- A study on the anatomy and phylogenetic relationships of a stem-arthropod Guangweicaris spinatus is published by Wu & Liu (2019).[282]
- A fossil interpreted as a partial mold of a specimen of Paropsonema cryptophya is described from the Middle-Upper Devonian of New York by Hagadorn & Allmon (2019), representing the most recent occurrence of the paropsonemids reported so far.[283]
- A study evaluating the utility of eye melanosomes for determination of the phylogenetic affinities of Tullimonstrum is published by Rogers et al. (2019).[284]
Foraminifera
Research
New taxa
Other organisms
New taxa
Research
- Putative traces of life older than 3.95 Ga, reported from northern Labrador (Canada) by Tashiro et al. (2017)[324] are reevaluated by Whitehouse et al. (2019).[325]
- Description of cellularly preserved microfossils from ~3.4 Ga-old deposits of the Kromberg Formation (South Africa), providing information on reproduction patterns of these organisms, is published by Kaźmierczak & Kremer (2019).[326]
- El Albani et al. (2019) describe 2.1 billion-year-old fossils belonging to the Francevillian biota of Gabon, including pyritized string-shaped structures interpreted as produced by a multicellular or syncytial organism able to migrate laterally and vertically to reach food resources.[327]
- A study on ca. 1.9 Ga hairpin-shaped trace fossils and discoid fossils from the Stirling Range Formation (Western Australia) is published by Retallack & Mao (2019), who interpret these fossils as evidence of early life on land.[328]
- A study on organic-walled microfossils from the Cailleach Head Formation (Torridon Group, Scotland) is published by Wacey et al. (2019), who report exceptional preservation of sub-cellular detail in selected cells.[329]
- Phosphatized three-dimensional fossil of a putative calcimicrobe Epiphyton are reported from the Neoproterozoic Dengying Formation (China) by Min et al. (2019).[330]
- A study on the affinities of tubular microfossils from the Ediacaran Doushantuo Formation (China), i.e. Crassitubus, Quadratitubus, Ramitubus and Sinocyclocyclicus, is published by Sun et al. (2019), who reject the interpretation of these taxa as early animals.[331]
- Lehn, Horodyski & Paim (2019) report the first known occurrence of Ediacaran organic-walled microfossils preserved in fine-grained siliciclastic strata of the Camaquã Basin (southernmost Brazil).[332]
- A study on the structure, developmental biology and affinities of Caveasphaera costata from the Ediacaran Doushantuo Formation (China) is published by Yin et al. (2019).[333]
- A study on possible cells and their appendages in fossils of Epiphyton from the Wuliuan of the North China Platform, and on their implications for the classification of this taxon, is published by Zhang et al. (2019).[334]
- A study on the morphology and colony organization of Rhyniococcus uniformis (a Devonian organism resembling extant cyanobacteria in the genus Merismopedia), based on data from new specimens, is published by Krings & Harper (2019).[335]
- A new method of assessing the morphology of fossil radiolarian specimens is presented by Kachovich, Sheng & Aitchison (2019), who apply their method to six specimens from the Cambrian Inca Formation (Australia) and Ordovician Piccadilly Formation (Canada) and evaluate the implications of their method for the studies of radiolarian evolution.[336]
Trace fossils
History of life in general
Research related to paleontology that concerns multiple groups of the organisms listed above.
- Experiments indicating that abiotic chemical gardening can mimic structures interpreted as the oldest known fossil microorganisms in both morphology and composition are conducted by McMahon (2019).[337]
- A study on biomarkers recovered from cap dolomites of the Araras Group (Brazil), interpreted as evidence of the transition from a bacterial to eukaryotic dominated ecosystem after the Marinoan deglaciation, likely caused by massive bacterivorous grazing by ciliates, is published by van Maldegem et al. (2019).[338]
- Biomarkers thought to be diagnostic for demosponges and cited as evidence of rise of animals to ecological importance prior to the Cambrian radiation are reported to be also synthesized by rhizarians by Nettersheim et al. (2019), who place the oldest unambiguous evidence for animals closer to the Cambrian Explosion.[339][340][341]
- A study on crucial conditions affecting the evolution of a proto-metabolism in early life is published by Goldford et al. (2019).[342]
- A study on the age of the Ediacaran fossils from the Podolya Basin (southwestern Ukraine) is published by Soldatenko et al. (2019).[343]
- A study on occurrences of body and trace fossils in Ediacaran and lower Cambrian (Fortunian) rocks around the world is published by Muscente et al. (2019), who report evidence indicative of existence of a global, cosmopolitan assemblage unique to terminal Ediacaran strata, living between two episodes of biotic turnover which might be the earliest mass extinctions of complex life.[344]
- A study on the diversification of animals and their behaviour in the Ediacaran–Cambrian interval, as indicated by fossil and environmental proxy records, is published by Wood et al. (2019), who interpret the fossil record as indicating that the rise of early animals was more likely a series of successive, transitional radiation events which extended from the Ediacaran to the early Paleozoic, rather than competitive or biotic replacement of the latest Ediacaran biotas by markedly distinct Cambrian ones.[345]
- A study comparing the variability of Ediacaran faunal assemblages to that of more recent fossil and modern benthic assemblages is published by Finnegan, Gehling & Droser (2019).[346]
- A study on the intensity of animal bioturbation and ecosystem engineering in trace fossil assemblages throughout the latest Ediacaran Nama Group (Namibia), evaluating the implications of this data for the knowledge of the causes of the disappearance of the Ediacaran biota, is published by Cribb et al. (2019).[347]
- A study on mechanisms of skeletal biomineralization in early animals (focusing on Cloudina and Cambrian hyoliths and halkieriids) is published by Gilbert et al. (2019).[348]
- A study on the relationship between atmospheric oxygen oscillations, the extent of shallow-ocean oxygenation and the animal biodiversity in the Cambrian period is published by He et al. (2019).[349]
- A study on the course of the transition from microbial-dominated reef environments to animal-based reefs in the early Cambrian, as indicated by data from strata in the western Basin and Range of California and Nevada, is published by Cordie, Dornbos & Marenco (2019).[350]
- An assemblage of early Cambrian small carbonaceous fossils and acritarchs, including possible oldest known annelid remains, is described from the siltstones of the Lappajärvi impact structure (Finland) by Slater & Willman (2019).[351]
- A study aiming to explain the occurrence of the variety of trace fossils associated with Tuzoia carapaces from the Cambrian Burgess Shale (British Columbia, Canada) is published by Mángano, Hawkes & Caron (2019).[352]
- Cambrian Lagerstätte from the Qingjiang biota (Shuijingtou Formation; Hubei, China), preserving fossils of diverse, ~518 million years old biota, is reported by Fu et al. (2019).[353][354]
- A study aiming to infer whether a marked drop in known diversity of marine life during the period between the Cambrian explosion and the Great Ordovician Biodiversification Event (the Furongian Gap) is apparent, due to sampling failure or lack of rock, or real, is published by Harper et al. (2019).[355]
- A study on the marine biodiversity changes throughout the first 120 million years of the Phanerozoic is published by Rasmussen et al. (2019).[356]
- A study aiming to determine factors influencing early Palaeozoic marine biodiversity is published by Penny & Kröger (2019).[357]
- A study on rates of origination and extinction at the genus level throughout early Paleozoic is published by Kröger, Franeck & Rasmussen (2019), who also present estimates of longevity, taxon age and taxon life expectancy of early Paleozoic marine genera.[358]
- A review of biodiversity curves of marine organisms throughout early Paleozoic, indicating the occurrence of a large-scale, long-term radiation of life that started during late Precambrian time and was only finally interrupted in the Devonian Period, is published online by Harper, Cascales-Miñana & Servais (2019).[359]
- A study on processes causing fluctuations of biodiversity of marine invertebrates throughout the Phanerozoic is published by Rominger, Fuentes & Marquet (2019).[360]
- A study on the impact of environmental changes on the biodiversity of North American marine organisms throughout the Phanerozoic is published by Roberts & Mannion (2019).[361]
- A study testing the hypothesis that the influence of ocean chemistry and climate on the ecological success of marine calcifiers decreased throughout the Phanerozoic is published by Eichenseer et al. (2019).[362]
- A study on genus origination and extinction rates in the Ordovician on a global scale, for the paleocontinents Baltica and Laurentia, and for onshore and offshore areas, is published by Franeck & Liow (2019).[363]
- First Middle Ordovician (Dapingian–Darriwilian) soft-bodied fossils from northern Gondwana (fossils of medusozoan possibly belonging to the genus Patanacta, possible members of the family Wiwaxiidae and an arthropod possibly belonging to the family Pseudoarctolepidae) are described from the Valongo Formation (Portugal) by Kimmig et al. (2019).[364]
- New Konservat-Lagerstätte containing exceptionally preserved soft-bodied organisms, including the earliest record of Acoelomorpha, Turbellaria, Nemertea and Nematoda reported so far, is described from the Ordovician (Katian) Vauréal Formation (Canada) by Knaust & Desrochers (2019).[365]
- A review of occurrence data of latest Ordovician benthic marine organisms is published by Wang, Zhan & Percival (2019), who evaluate the implications of the studied data for the knowledge of the course of the end-Ordovician mass extinction.[366]
- A revision of Silurian fauna from the Pentland Hills (Scotland) described by Archibald Lamont in 1978 is published by Candela & Crighton (2019).[367]
- A study on the course of graptolite extinctions during the middle Homerian biotic crisis and on the impact of this crisis on other marine invertebrates, as indicated by data from the Kosov Quarry section of the Prague Synform (Czech Republic), is published by Manda et al. (2019).[368]
- Well-preserved fossil cryptic biota is reported from the submarine cavities of the Devonian (Emsian to Givetian) mud mounds in the Hamar Laghdad area (Morocco) by Berkowski et al. (2019).[369]
- A study aiming to test and quantify the classification of Devonian biogeographic areas, based on distributional data of Devonian trilobite, brachiopod and fish taxa, is published by Dowding & Ebach (2019).[370]
- A study on patterns of local richness of terrestrial tetrapods throughout the Phanerozoic is published by Close et al. (2019).[371]
- Description of tetrapod and fish fossils from the coastal locality of Burnmouth, Scotland (Ballagan Formation), associated plant material and sedimentological context of these fossils is published by Clack et al. (2019), who interpret these fossils as evidence of the potential richness of the Tournaisian fauna, running counter to the assumption of a depauperate nonmarine fauna following the end-Devonian Hangenberg event.[372]
- A study on the impact of climate changes during the Carboniferous–Permian transition on the evolution of land-living vertebrates is published by Pardo et al. (2019).[373]
- A study aiming to test one of the scenarios proposed by Robert L. Carroll in 1970 to explain the origin of the amniotic egg, based on data from Permo-Carboniferous tetrapods, is published by Didier, Chabrol & Laurin (2019).[374]
- An overview of the studies researching biodiversity changes in the Permian and their links to volcanism is published by Chen & Xu (2019).[375]
- Haridy et al. (2019) report the occurrence of overgrowth of palatal dentition of Cacops and Captorhinus by a new layer of bone to which the newest teeth are then attached (the overgrowth pattern also documented in early fishes), and evaluate the implications of this finding for the knowledge of the origin of teeth.[376]
- A study on the severity of the end-Guadalupian extinction event is published online by Rampino & Shen (2019).[377]
- A study on the ecology of Permian tetrapods from the Abrahamskraal Formation (South Africa), as indicated by stable oxygen isotope compositions of phosphate from teeth and bones used as a proxy for water dependence, is published online by Rey et al. (2019).[378]
- Two Permian tetrapod assemblages, recovered from the northernmost point at which the lowest Beaufort Group has been targeted for collecting fossils, are reported from the southern Free State (South Africa) by Groenewald, Day & Rubidge (2019), who evaluate the implications of these fossils for the knowledge of faunal provincialism within the Middle to Late Permian Karoo Basin.[379]
- A study aiming to determine which Permian tetrapod assemblage zones are present in the vicinity of Victoria West (Northern Cape, South Africa), and to reassess the biostratigraphic provenance of specimens collected historically in this area (including the holotype of Lycaenops ornatus), is published by Day & Rubidge (2019).[380]
- A study on the course of the turnover from the Daptocephalus to Lystrosaurus Assemblage Zones of the Karoo Basin is published by Gastaldo et al. (2019).[381]
- A study on the timing of the extinction of latest Permian vertebrates in the Karoo Basin of South Africa is published online by Rampino et al. (2019).[382]
- A study on the identification and position of the terrestrial end-Permian mass extinction in southern African sediments, based on data from a new site in the South African Karoo Basin, is published online by Botha et al. (2019).[383]
- A study on the functional diversity of middle Permian and Early Triassic marine paleocommunities in the area of present-day western United States, and on its implications for the knowledge of functional re-organization of these communities in the aftermath of the Permian–Triassic extinction event, is published by Dineen, Roopnarine & Fraiser (2019).[384]
- A study aiming to explain high biodiversity preserved in the Triassic Cassian Formation (Italy) is published online by Roden et al. (2019).[385]
- A study on shark, sizable carnivorous archosaur, big herbivorous tetrapod and probable turtle bromalites (coprolites and possibly some cololites) from a turtle-dominated fossil assemblage from the Upper Triassic Poręba site (Poland) is published by Bajdek et al. (2019), who evaluate the implications of their findings for inferring the diet of the Triassic turtle Proterochersis porebensis.[386]
- A study on seawater oxygenation during the Early Jurassic and its impact on the recovery of marine benthos after the Triassic–Jurassic extinction event, as indicated by data from Blue Lias Formation (United Kingdom), is published by Atkinson & Wignall (2019).[387]
- A study on the patterns and processes of recovery of marine fauna after the Toarcian oceanic anoxic event, as indicated by data from the Cleveland Basin (Yorkshire, United Kingdom), is published by Caswell & Dawn (2019).[388]
- A study on changes of land vegetation resulting from the Toarcian oceanic anoxic event is published by Slater et al. (2019).[389]
- Skeletal elements of Oxfordian ichthyosaurs and plesiosaurs are reported from the Kingofjeld mountain (north-east Greenland) by Delsett & Alsen (2019).[390]
- New marine reptile-bearing localities documenting the Tithonian–Berriasian transition at the High Andes (Mendoza Province, Argentina) are reported by Fernández et al. (2019).[391]
- A study on microvertebrate fossils from the Upper Jurassic or Lower Cretaceous of Ksar Metlili (Anoual Syncline, Morocco), evaluating their palaeobiogeographical implications, and on the age of this fauna, is published online by Lasseron et al. (2019).[392]
- Description of mid-Cretaceous invertebrate fauna from Batavia Knoll (eastern Indian Ocean), and a study on its similarities to other Cretaceous faunas from around the Indian Ocean, is published by Wild & Stilwell (2019).[393]
- A study on the age of the vertebrate fauna from the Cretaceous Cerro Barcino Formation (Argentina) is published online by Krause et al. (2019).[394]
- Possible amphibian, gastropod and insect egg masses are described from the Cretaceous amber from Myanmar by Xing et al. (2019).[395]
- A study on coprolites from the Upper Cretaceous deposits in the Münster Basin (northwestern Germany), evaluating their implications for the knowledge of Cretaceous trophic structures and predator–prey interactions, is published by Qvarnström et al. (2019).[396]
- New vertebrate assemblage from the upper Turonian Schönleiten Formation of Gams bei Hieflau (Austria) is described by Ősi et al. (2019).[397]
- Turonian marine vertebrate fossils from the Huehuetla quarry (Puebla, Mexico) are described by Alvarado-Ortega et al. (2019).[398]
- A study on the biogeography of Cretaceous terrestrial tetrapods is published by Kubo (2019).[399]
- A study on the structure and contents of a large piece of amber attached to a jaw of a specimen of Prosaurolophus maximus from the Cretaceous Dinosaur Park Formation (Alberta, Canada), evaluating the implications of this finding for the knowledge of the habitat and taphonomy of the dinosaur, is published by McKellar et al. (2019).[400]
- An accumulation of fossil eggshells of bird, crocodylomorph and gekkotan eggs is reported from the Late Cretaceous Oarda de Jos locality in the vicinity of the city of Sebeș (Romania) by Fernández et al. (2019).[401]
- A review of the fossil record of Late Cretaceous and Paleogene vertebrates from the Seymour Island (Antarctica) is published by Reguero (2019).[402]
- A study on the evolutionary history of the family Pospiviroidae, aiming to assess possible impact of the Cretaceous–Paleogene extinction event on the divergence rates in this family, is published by Bajdek (2019).[403]
- A study on calcareous nanoplankton and planktic foraminiferal assemblages in a Cretaceous-Paleogene section from the peak ring of the Chicxulub crater, and on their implications for the knowledge of recovery of plankton after the Cretaceous–Paleogene extinction event, is published by Jones, Lowery & Bralower (2019).[404]
- A study on the course of recovery of the nanoplankton communities after the Cretaceous–Paleogene extinction event is published by Alvarez et al. (2019), who report evidence indicative of 1.8 million years of exceptional volatility of post-extinction communities and indicating that the emergence of a more stable equilibrium-state community coincided with indicators of carbon cycle restoration and a fully functioning biological pump.[405]
- A study on the timing and nature of recovery of benthic marine ecosystems of Antarctica after the Cretaceous–Paleogene mass extinction, as indicated by data from fossils of benthic molluscs, is published by Whittle et al. (2019).[406]
- A study on the drivers and tempo of biotic recovery after Cretaceous–Paleogene mass extinction, as indicated by data from the Corral Bluffs section of the Denver Basin (Colorado, United States), is published by Lyson et al. (2019).[407]
- Description of the vertebrate assemblage from the Oligocene Shine Us locality in the Khaliun Basin (Mongolia) is published by Daxner-Höck et al. (2019).[408]
- Description of reptile and amphibian fossils from the early Miocene localities of the Kilçak section (Turkey) is published by Syromyatnikova et al. (2019).[409]
- Description of fossil fish, amphibian and reptilian fauna from the middle Miocene locality Gračanica (Bosnia and Herzegovina) is published online by Vasilyan (2019).[410]
- A study on the vertebrate fossils from the early Clarendonian localities within the Goliad Formation in Bee and Live Oak Counties in Texas (comprising the Lapara Creek Fauna), and on the stratigraphic context of these localities, is published by May (2019).[411]
- New late Miocene vertebrate assemblage, including turtle, rodent and xenarthran fossils (among which is the oldest record of an armadillo belonging to the genus Dasypus reported so far), is described from the Los Alisos locality (Guanaco Formation, Argentina) by Ercoli et al. (2019).[412]
- Description of a diverse late Miocene marine fauna from the Bloomfield Quarry (Wilson Grove Formation; California, United States), including the most diverse assemblage of fossil walruses yet reported worldwide from a single locality, is published by Powell et al. (2019).[413]
- Fish, turtle and mammals fossils are described from a locality near Whitehorse (Yukon, Canada), probably of Miocene age, by Eberle et al. (2019).[414]
- A study on microscopic traces of hominin and animal activities in the Denisova Cave (Russia), providing the information on the use of this cave over the last 300,000 years, is published by Morley et al. (2019).[415]
- A study on the age of the Pleistocene vertebrate assemblage from the Khok Sung locality (Thailand) is published by Duval et al. (2019).[416]
- Revision of reptile and amphibian fossils from the late Pleistocene collection of the "Caverne Marie-Jeanne" (Hastière-Lavaux, Namur Province, Belgium) is published by Blain et al. (2019).[417]
- New late Pleistocene site Tsaramody (Sambaina basin, Madagascar), preserving diverse subfossil remains of vertebrates, is reported by Samonds et al. (2019).[418]
- A study on the paleoecology and diet of late Pleistocene terrestrial vertebrates known from an asphalt deposit (Project 23, Deposit 1) at Rancho La Brea (California, United States) is published online by Fuller et al. (2019).[419]
- A study on changes of vegetation in southern Borneo over the past 40,000 calibrated years BP, as indicated by data from Saleh Cave (South Kalimantan, Indonesia), is published by Wurster et al. (2019).[420]
- Late Quaternary fossils of vertebrates are described from caves in the Manning Karst Region of eastern New South Wales (Australia) by Price et al. (2019).[421]
- A study aiming to determine the relationships between extinctions of megafauna, climatic changes and patterns of human appearance in south-eastern Australia over the last 120,000 years is published by Saltré et al. (2019).[422]
- A study on the causes of Holocene extinction of megafauna of Madagascar is published by Godfrey et al. (2019).[423]
- A review discussing possible links between the fossil record of marine biodiversity, nutrient availability and primary productivity is published online by Martin & Servais (2019).[424]
- A study on factors which determined the relative intensity of marine extinctions during greenhouse–icehouse transitions in the Late Ordovician and the Cenozoic is published online by Saupe et al. (2019).[425]
- A study on the possible relationship between speciation and extinction rates of different groups of organisms and the ages of these groups, as indicated by data from extant and fossil species, is published by Henao Diaz et al. (2019).[426][427][428]
- A study on the evolution of bite force of amniotes, as indicated by data from extant and fossil taxa, is published by Sakamoto, Ruta & Venditti (2019).[429]
- A study on the phylogenetic distribution, morphological variation and functions of apicobasal ridges (elevated ridges of tooth enamel) in aquatic reptiles and mammals, as indicated by data from extant and fossil taxa, is published by McCurry et al. (2019).[430]
- A study on the impact of uncertainty of stratigraphic age of fossils on studies estimating species divergence times which incorporate fossil taxa, based on data from the fossil record of North American mammals and from the dataset of extant and fossil cetaceans, is published by Barido-Sottani et al. (2019).[431]
- A study evaluating the impact of information about stratigraphic ranges of fossil taxa on the analyses of timing of evolutionary divergence is published online by Püschel et al. (2019).[432]
- A study on anatomical distribution, abundance, geometry, melanin chemistry and elemental inventory of melanosomes in tissues of extant vertebrates, evaluating their implications for reconstructions of internal soft-tissue anatomy in fossil vertebrates, is published by Rossi et al. (2019).[433]
- A study on the chronostratigraphy and biostratigraphy of Cenozoic vertebrate (mostly mammal) fossils from the South Carolina Coastal Plain is published by Albright et al. (2019).[434]
Other research
Other research related to paleontology, including research related to geology, palaeogeography, paleoceanography and paleoclimatology.
- A study on the biological oxygen production during the Mesoarchean, as indicated by data from Mesoarchean shales of the Mozaan Group (Pongola Supergroup, South Africa) preserving record of a shallow ocean "oxygen oasis", is published by Ossa Ossa et al. (2019).[435]
- A study on the extent of the oxygenation of ocean waters over continental shelves before the Great Oxidation Event, as indicated by data from 2.5-billion-year-old Mount McRae Shale (Australia), is published by Ostrander et al. (2019).[436]
- A study on the extent of the oxygenation of shallow oceans 2.45 billion years ago is published by Rasmussen et al. (2019), who interpret their findings as indicating that oxygen levels both the surface oceans and atmosphere were exceedingly low before the Great Oxidation Event, which the authors interpret as directly caused by evolution of oxygenic photosynthesis.[437]
- A study aiming to determine whether the overall size of the biosphere decreased at the end of the Great Oxidation Event, based on data on isotope geochemistry of sulfate minerals from the Belcher Group (subarctic Canada), is published by Hodgskiss et al. (2019).[438]
- Evidence of a burst of mantle activity at the end of the Archean (around 2.5 billion years ago) is presented by Marty et al. (2019), who interpret their findings as lending credence to models advocating a magmatic origin for environmental changes such as the Great Oxidation Event.[439]
- A study aiming to determine the effects of competition of early anoxygenic phototrophs and primitive oxygenic phototrophs on the Earth system, especially on the large-scale oxygenation of Earth's atmosphere ~2.3 billion years ago, is published by Ozaki et al. (2019).[440]
- A study on the geochemistry of mat-related structures and their host sediments from the Francevillian Formation (Gabon) is published by Aubineau et al. (2019), who evaluate the implications of their findings for the knowledge whether ancient microbes induced illitisation (conversion of smectite to illite–smectite mixed-layer minerals), and for the knowledge of Earth's climate and ocean chemistry in the Paleoproterozoic.[441]
- A study on the organic geochemical (biomarker) signatures of the 1.38-billion-years-old black siltstones of the Velkerri Formation (Australia), and on their implications for inferring the microbial diversity and palaeoenvironment of the Proterozoic Roper Seaway, is published by Jarrett et al. (2019).[442]
- A study on the origins of putative stromatolites and associated carbonate minerals from lacustrine sedimentary rocks of the 1.1-billion-years-old Stoer Group is published by Brasier et al. (2019).[443]
- A study suggesting a link between early evolution and diversification of animals and high availability of copper in the late Neoproterozoic is published by Parnell & Boyce (2019).[444]
- A study aiming to determine the cause of the uniquely high amplitudes of Neoproterozoic δ13C excursions is published by Shields et al. (2019).[445]
- A study evaluating the possible relationship between the Cryogenian magmatic activity and the evolution of early life, based on data from the Cryogenian Yaolinghe Group (China), is published by Long, Zhang & Luo (2019).[446]
- Evidence for oxygenated waters near ice sheet grounding lines during the Cryogenian is presented by Lechte et al. (2019).[447]
- A study on ocean oxygen levels during the Ediacaran Shuram negative C-isotope Excursion and the middle Ediacaran, and on their implications for the evolution of the Ediacaran biota, is published by Zhang et al. (2019).[448]
- A study on the causes of widespread preservation of soft-bodied organisms in sandstones of the Ediacara Member in South Australia is published by Liu et al. (2019).[449]
- A study on the seafloor oxygen fugacity in the time of the emergence of the earliest known benthic animals, as inferred from data from the latest Ediacaran Dengying Formation (China), is published by Ding et al. (2019).[450]
- A study on the process of fossilization of Ediacaran organisms, and on its impact on the preservation of the external shape of these organisms, is published by Bobrovskiy et al. (2019).[451]
- A study on the global extent of the oxygenation of seafloor, surface oceans and atmosphere during early Cambrian is published by Dahl et al. (2019), who report evidence of two major oceanic anoxic events in the early Cambrian.[452]
- A study on nitrogen isotope and organic carbon isotope data from the lower Cambrian Niutitang Formation (China) is published online by Xu et al. (2019), who link nitrogen cycle perturbations to animal diversification during the early Cambrian.[453]
- A study on the paleoecological characteristics of Cambrian marine ecosystems of central Sonora (Mexico) is published by Romero et al. (2019).[454]
- A study on seawater temperatures during the Cambrian, as indicated by data from oxygen isotope analyses of Cambrian brachiopod shells, is published by Wotte et al. (2019).[455]
- A study on bottom-water redox conditions in the late Cambrian Alum Shale Sea, as indicated by sedimentary molybdenum contents of the Alum Shale, is published by Dahl et al. (2019), who interpret their findings as indicating that anoxic sulfidic bottom waters were an intermittent rather than persistent feature of Cambrian oceans, and that early animals invaded the seafloor during oxygenated periods.[456]
- A study on the paleogeographic position of all major Phanerozoic arc-continent collisions, comparing it with the latitudinal distribution of ice-sheets throughout the Phanerozoic, is published by Macdonald et al. (2019).[457]
- A study aiming to determine whether the Ordovician meteor event directly affected Earth's climate and biota is published by Schmitz et al. (2019).[458]
- A review of the evidence of evolutionary radiation of animals throughout the Great Ordovician Biodiversification Event, and of environmental changes coincident with these biotic changes, is published by Stigall et al. (2019).[459]
- A study on conodont oxygen isotope compositions in Ordovician samples from Argentine Precordillera and Laurentia, and on their implications for the knowledge of palaeothermometry and drift of the Precordillera in the early Paleozoic, is published online by Albanesi et al. (2019).[460]
- A study on carbon isotope data from stratigraphic sections at Germany Valley (West Virginia) and Union Furnace (Pennsylvania) in the Central Appalachian Basin, evaluating its implications for the knowledge of change in atmospheric oxygen levels during the late Ordovician and its possible relationship with early diversification of land plants, is published by Adiatma et al. (2019).[461]
- Signatures of Devonian (Famennian) forests and soils preserved in black shales in the southernmost Appalachian Basin (Chattanooga Shale; Alabama, United States) are presented by Lu et al. (2019).[462]
- A study examining the intensity of explosive volcanism from 400 to 200 million years ago, and evaluating its impact on the late Paleozoic Ice Age, is published by Soreghan, Soreghan & Heavens (2019).[463]
- Description of Cisuralian charcoal from the Barro Branco coal seam (Siderópolis Member of the Rio Bonito Formation, Brazil), and a study on its implications for reconstruction of palaeo-wildfire occurrences in peat-forming vegetation through the Late Palaeozoic in Gondwana, is published by Benicio et al. (2019).[464]
- A study on the extent and causes of the end-Capitanian extinction event, based on data from the Middle to Late Permian section of the Sverdrup Basin (Ellesmere Island, Canada), is published online by Bond, Wignall & Grasby (2019).[465]
- A study on the ocean chemistry during the Permian–Triassic extinction event, as indicated by data from a new stratigraphic section in Utah, and on its implications for the knowledge of the causes of this extinction, is published by Burger, Estrada & Gustin (2019).[466]
- A study aiming to determine the stratigraphic position of the end-Permian biotic crisis in the Sydney Basin (Australia) is published by Fielding et al. (2019), who also attempt to determine the climate changes in this region concurrent with the end-Permian extinction.[467]
- A study on shifts in volcanic activity across the Permian-Triassic boundary, as indicated by measurements of mercury in marine sections across the Northern Hemisphere, is published by Shen et al. (2019).[468]
- A study on mercury enrichments in Permian-Triassic boundary sections from Lubei (South China craton) and Dalongkou (Junggar terrane), and on their implications for the knowledge of volcanic activity during the Permian-Triassic transition, is published by Shen et al. (2019).[469]
- Evidence of the environmental transition from meandering to braided rivers and of the development of desert-like conditions in the earliest Triassic is reported from Permian-Triassic boundary sections in Shanxi (China) by Zhu et al. (2019).[470]
- A study on the nitrogen isotope variations in oceanic waters in the aftermath of the end-Permian mass extinction is published by Sun et al. (2019), whose conceptual model indicates ammonium intoxication of the oceans during this time period.[471]
- A study on microbially induced sedimentary structures from the Lower Triassic Blind Fiord Formation (Arctic Canada), evaluating their implications for the knowledge of the course of biotic recovery in the aftermath of the Permian–Triassic extinction event, is published online by Wignall et al. (2019).[472]
- A study on the oxygen isotope compositions of discrete conodont elements from the Lower Triassic Mianwali Formation (Pakistan), and on their implications for inferring the timing of temperature changes and the interrelationship between climate and biodiversity patterns during the Smithian-Spathian biotic crisis, is published by Goudemand et al. (2019).[473]
- A study on nutrient availability through the Early to Middle Triassic along the northern margin of Pangea is published online by Grasby et al. (2019).[474]
- A study on the character and extent of the Triassic Boreal Ocean delta plain across the area of the present-day Barents Sea, interpreted as the largest delta plain reported so far, is published by Klausen, Nyberg & Helland-Hansen (2019).[475]
- A study aiming to determine links between volcanic activity in the Central Atlantic magmatic province, elevated concentrations of mercury in marine and terrestrial sediments and abnormalities of fossil fern spores across the Triassic-Jurassic boundary in southern Scandinavia and northern Germany is published by Lindström et al. (2019).[476]
- A study aiming to reconstruct the palaeoenvironmental changes of the late Pliensbachian outside of Western Tethys Ocean and to test their temporal relation to large igneous province volcanism is published by De Lena et al. (2019).[477]
- Krencker, Lindström & Bodin (2019) present sedimentological, paleontological and geochemical evidence from the Central High Atlas Basin (Morocco) and Jameson Land (Greenland) indicative of the occurrence of a major sea-level drop prior to the onset of the Toarcian oceanic anoxic event.[478]
- A study on the duration of the Toarcian oceanic anoxic event, as indicated by data from the Talghemt section in the High Atlas (Morocco), is published by Boulila et al. (2019).[479]
- A study on the Middle Jurassic palaeoenvironment of La Voulte (France), as indicated by data from exceptionally preserved eyes of the polychelidan lobster Voulteryon parvulus and from epibiontic brachiopods associated with V. parvulus, is published by Audo et al. (2019).[480]
- A study comparing the Jurassic floras of the Ayuquila Basin and the Otlaltepec Basin (Mexico) and evaluating their implications for the knowledge of the Jurassic environments of these basins is published by Velasco-de León et al. (2019).[481]
- A study on Jurassic paleomagnetism, based on an updated set of Jurassic paleopoles from Adria (Italy), is published by Muttoni & Kent (2019).[482]
- A study on the chronostratigraphy of the Upper Jurassic Morrison Formation is published by Maidment & Muxworthy (2019).[483]
- Evidence of repeated significant oceanic and biotic turnovers in the area of the present-day Gulf of Mexico at the Jurassic-Cretaceous transition is presented by Zell et al. (2019).[484]
- A study on the age of the dinosaur-bearing Upper Jurassic–Lower Cretaceous sediments of western Maestrazgo Basin and South-Iberian Basin (eastern Spain), aiming to also reconstruct the palaeoenvironments of this area on the basis of data from these sediments, is published by Campos-Soto et al. (2019).[485]
- A review of data on the Jurassic and Cretaceous climates of Siberia is published by Rogov et al. (2019).[486]
- A study on global climatic changes during the Early Cretaceous, focusing on the duration and magnitude of Early Cretaceous cold episodes, is published by Vickers et al. (2019).[487]
- Evidence from the Lower Cretaceous strata around the southern margin of the Eromanga Basin (Australia) indicative of cold (limited glacial and/or seasonal freezing) conditions persisting in Southern Australia through the Hauterivian and the Aptian is presented by Alley, Hore & Frakes (2019).[488]
- A study on phototropism in extant trees from Beijing and Jilin Provinces and fossil tree trunks from the Jurassic Tiaojishan and Tuchengzi formations in Liaoning and Beijing regions (China), and on its implications for inferring the history of the rotation of the North China Block, is published by Jiang et al. (2019).[489]
- A study on the age of the Cretaceous Cloverly Formation is published by D'Emic et al. (2019).[490]
- Evidence from the chronostratigraphy, fossil content, bracketing facies and ages of the Cretaceous Wayan Formation of Idaho and Vaughn Member of the Blackleaf Formation of Montana, indicating that they represent the same depositional system prior to disruption by subsequent tectonic and volcanic events, is presented by Krumenacker (2019).[491]
- A study on Cenomanian plants from the Redmond no.1 mine near Schefferville (Redmond Formation; Labrador Peninsula, Canada) and on their implications for the knowledge of paleoclimate of this site is published by Demers-Potvin & Larsson (2019).[492]
- The first high-resolution record of Cenomanian–Turonian paleotemperatures from the Southern Hemisphere, as indicated by data from the Ocean Drilling Program Site 1138 on the Kerguelen Plateau, is presented by Robinson et al. (2019).[493]
- A study on the impact of marine biogeochemical processes on the Cretaceous Thermal Maximum is published by Wallmann et al. (2019).[494]
- A study on the age of the Upper Cretaceous Wadi Milk Formation (Sudan) is published by Owusu Agyemang et al. (2019).[495]
- A study on Cenomanian to Coniacian polar environmental conditions at eight locations in northeast Russia and northern Alaska is published online by Spicer et al. (2019).[496]
- A study on variability of carbon, oxygen and nitrogen isotopes in multiple tissues from a wide array of extant vertebrate taxa from the Atchafalaya River Basin in Louisiana (inferred to be an environmental analogue to the Late Cretaceous coastal floodplains of North America), and on its implications for formulating and testing predictions about ancient ecological communities based on stable isotope data from fossil specimens, is published by Cullen et al. (2019).[497]
- A study on the general distribution and stratigraphy of the lower shale member of the Campanian Aguja Formation (Texas, United States), and a revision of all significant larger vertebrate fossil specimens from these strata, is published by Lehman et al. (2019).[498]
- High-precision dating for the Battle Formation (Alberta, Canada) is presented by Eberth & Kamo (2019).[499]
- High-precision dating and the first calibrated chronostratigraphy for the Horseshoe Canyon Formation (Alberta, Canada) is presented by Eberth & Kamo (2019).[500]
- A study on the Maastrichtian climate of Arctic Alaska, based on data from the Prince Creek Formation, is published by Salazar-Jaramillo et al. (2019).[501]
- Studies on the timing of the Deccan Traps volcanism close to the Cretaceous-Paleogene boundary are published by Schoene et al. (2019), who interpret their findings as indicative of four high-volume eruptive periods close to the Cretaceous-Paleogene boundary, the first of which occurred tens of thousands of years prior to both the Chicxulub bolide impact and Cretaceous–Paleogene extinction event[502] and by Sprain et al. (2019), who interpret their findings as indicating that a steady eruption of the flood basalts mostly occurred in the earliest Paleogene.[503]
- A study on the environmental variability before and across the Cretaceous-Paleogene mass extinction, as inferred from data on the calcium isotope ratios of aragonitic mollusc shells from the Lopez de Bertodano Formation (Antarctica), is published online by Linzmeier et al. (2019).[504]
- A turbulently deposited sediment package directly overlain by the Cretaceous–Paleogene boundary tonstein is reported from the Tanis site (Hell Creek Formation, North Dakota, United States) by DePalma et al. (2019), who interpret their findings as indicating that deposition occurred shortly after a major bolide impact, and might have been caused by the Chicxulub impact.[505]
- A study on the immediate aftermath of the Chicxulub impact at the Cretaceous–Paleogene boundary, based on data from the Chicxulub crater, is published by Gulick et al. (2019).[506]
- Evidence of rapid ocean acidification in the aftermath of the Chicxulub impact and of the protracted Earth system recovery after the Cretaceous–Paleogene extinction event is presented by Henehan et al. (2019).[507]
- The longest, highest resolution, stratigraphically continuous, single-species benthic foraminiferal carbon and oxygen isotope records for the Late Maastrichtian to Early Eocene from a single site in the South Atlantic Ocean, providing information on the evolution of climate and carbon-cycling during this time period, are presented by Barnet et al. (2019).[508]
- O'Leary et al. (2019) publish a monograph on the sedimentology and sequence stratigraphy of the part of Mali which was covered by an ancient epeiric sea known as the Trans-Saharan Seaway during the Late Cretaceous and early Paleogene, provide the first formal description of and nomenclature for the Upper Cretaceous and lower Paleogene geological formations of this region, and revise fossil flora and fauna of this region.[509]
- Zeebe & Lourens (2019) provide a new absolute astrochronology up to 58 Ma and a new Paleocene–Eocene boundary age.[510]
- A study on stomata of fossil specimens of members of the family Lauraceae from the Eocene of Australia and New Zealand, evaluating their implications for reconstructions of Eocene pCO2 levels, is published by Steinthorsdottir et al. (2019).[511]
- Climate simulations capturing major climatic features of the Early Eocene and the Paleocene–Eocene Thermal Maximum in a state-of-the-art Earth system model are presented by Zhu, Poulsen & Tierney (2019).[512]
- A study evaluating the utility of membrane lipids of members of Thaumarchaeota (now Nitrososphaerota) as proxies for the carbon isotope excursion and surface ocean warming, and assessing their implications for the knowledge of the source and size of carbon emissions during the Paleocene–Eocene Thermal Maximum, is published by Elling et al. (2019).[513]
- A study on abundant black charcoal shards from Paleogene sites of Wilson Lake B (New Jersey) and Randall's Farm (Maryland) is published by Fung et al. (2019), who interpret these shards as most likely to be evidence of widespread wildfires at the Paleocene-Eocene boundary caused by extraterrestrial impact.[514]
- A study on the impact of carbon-based greenhouse gas fluxes associated with the North Atlantic Igneous Province on the onset of the Paleocene–Eocene Thermal Maximum is published by Jones et al. (2019).[515]
- Evidence from the Deep Ivorian Basin offshore West Africa (equatorial Atlantic Ocean), indicating that peak warming during the Middle Eocene Climatic Optimum was associated with upper-ocean stratification, decreased export production, and possibly harmful algal blooms, is presented by Cramwinckel et al. (2019).[516]
- New stable isotopes record of the Middle Eocene Climatic Optimum event is reported from eastern Turkey by Giorgioni et al. (2019).[517]
- A study on variations of ocean circulation and marine bioproductivity related to the beginnings of the formation of the Antarctic Circumpolar Current, based on data from Eocene and Oligocene sedimentary drift deposits east of New Zealand, is published by Sarkar et al. (2019).[518]
- A study on changes in surface water temperature in the eastern North Sea Basin during the late Priabonian to earliest Rupelian is published by Śliwińska et al. (2019).[519]
- A study linking the onset or strengthening of an Atlantic meridional overturning circulation to the closure of the Arctic–Atlantic gateway at the Eocene–Oligocene transition is published by Hutchinson et al. (2019).[520]
- A study on the timing of the uplift of the Tibetan Plateau, as indicated by the discovery of the Oligocene palm fossils in the Lunpola Basin in Tibet, is published by Su et al. (2019).[521]
- A review of vertebrate fossils from the Tibetan Plateau, evaluating their implications for inferring the course of the uplift of the Tibetan Plateau, is published by Deng et al. (2019).[522]
- A study on the impact of changing Eocene paleogeography and climate on the utility of stable isotope paleoaltimetry methods in the studies aiming to reconstruct the elevation history of the Tibetan Plateau is published by Botsyun et al. (2019).[523][524][525]
- A study on the causes of the long-term climate cooling during the Neogene is published by Rugenstein, Ibarra & von Blanckenburg (2019).[526]
- A study on the climatic and environmental conditions in the Loperot site (Kenya) in the early Miocene is published by Liutkus-Pierce et al. (2019).[527]
- A study on the timing and course of the separation of the Indian Ocean and the Mediterranean Sea in the Miocene is published by Bialik et al. (2019).[528]
- A study comparing changes of the export of intermediate-depth Pacific waters to the western North Atlantic prior to the closure of the Central American Seaway with records of strength of the Atlantic meridional overturning circulation, evaluating the implications of this data for the knowledge of the timing of closure of the Central American Seaway, is published by Kirillova et al. (2019).[529]
- A study on climatic and environmental changes in central Andes during the late Miocene is published by Carrapa, Clementz & Feng (2019).[530]
- A study on the exact age of the marine fauna from the Miocene Chilcatay and Pisco formations (Peru), and on its implications for reconstructions of local paleoenvironment, is published online by Bosio et al. (2019).[531]
- A study on the origin of the African C4 savannah grasslands is published by Polissar et al. (2019).[532]
- A study on the anatomical traits of teeth and inferred diet of bovids, suids and rhinocerotids from Kanapoi, and on their implications for reconstructing the environments of this site, is published online by Dumouchel & Bobe (2019).[533]
- New spatial data on the Plio-Pleistocene Bolt's Farm pits from the Cradle of Humankind site (South Africa) is presented by Edwards et al. (2019), who also attempt to provide key biochronological ages for the Bolt's Farm deposits.[534]
- A study on the global mean sea level during the Pliocene mid-Piacenzian Warm Period is published by Dumitru et al. (2019).[535]
- A study on the amplitude of sea-level variations during the Pliocene is published by Grant et al. (2019).[536]
- Simulations of coevolution of climate, ice sheets and carbon cycle over the past 3 million years are presented by Willeit et al. (2019).[537]
- A study on the age of the Sahara, as indicated by data from Pliocene and Pleistocene paleosols from the Canary Islands, is published by Muhs et al. (2019).[538]
- A study on the latest Villafranchian climate and environment of the area of southern Italy, as indicated by amphibian and reptile fossil record from the Pirro Nord karstic complex, is published by Blain et al. (2019).[539]
- A study on atmospheric gas levels before and after the shift from glacial cycles of 100 thousand years to 40-thousand-year cycles around one million years ago, as inferred from data from ice core samples from the Allan Hills Blue Ice Area (East Antarctica), is published by Yan et al. (2019).[540]
- A study on pCO2 levels from 2.6 to 0.8 Ma is published by Da et al. (2019), who find no evidence indicating that the Mid-Pleistocene Transition was caused by the decline of pCO2.[541]
- A study on changes in winter rainfall in the Mediterranean over the past 1.36 million years is published by Wagner et al. (2019).[542]
- Results of stable carbon and oxygen isotope analyses of tooth enamel samples from Pleistocene mammals from the Yugong Cave and Baxian Cave (China) are presented by Sun et al. (2019), who evaluate the implications of their findings for the knowledge of Pleistocene climatic and environmental changes in South China.[543]
- A study on Pleistocene mammal fossils from the Yai Ruak Cave (Krabi Province, Thailand), including the southernmost known record of Crocuta crocuta ultima, is published by Suraprasit et al. (2019), who evaluate the implications of these fossils for reconstructions of the environment in the area of the Malay Peninsula in the Pleistocene.[544]
- A study on Acheulean and Middle Stone Age sites from the Eastern Desert (Sudan), preserving stone artifacts, is published by Masojć et al. (2019), who interpret these sites as evidence of green corridor or corridors across Sahara which made early hominin dispersal possible.[545]
- Evidence from oxygen isotope data from Soreq Cave speleothems (Israel), indicative of the occurrence of summer monsoon rainfall in the Middle East during recurrent intervals of the last interglacial period (overlapping with archeological indicators of human migration), is presented by Orland et al. (2019).[546]
- A study on the spatial and temporal distribution of ancient peatlands in the past 130,000 years is published by Treat et al. (2019).[547]
- A study on the size of fossil rabbits from 14 late Pleistocene and Holocene archaeological sites in Portugal, and on its implications for the knowledge of temperatures and environment in the area of Portugal during the last glaciation, is published by Davis (2019).[548]
- A study on Pleistocene small mammal remains from Stratigraphic Unit V from El Salt site (Alcoy, Spain), evaluating their implications for the knowledge of climatic conditions in the eastern Iberian Peninsula at the time of the disappearance of local Neanderthal populations during Marine Isotope Stage 3, is published by Fagoaga et al. (2019).[549]
- A study on the sedimentary sequence from the Pilauco site in Chile, evaluating whether evidence from this site is consistent with the Younger Dryas impact hypothesis, is published by Pino et al. (2019).[550]
- A study on variations of size of fossil murine rodents from Liang Bua (Flores, Indonesia) through time, and on their implications for reconstructions of paleoclimate and paleoenvironment of Flores, is published by Veatch et al. (2019).[551]
- A study on human land use worldwide from 10,000 years before the present to 1850 CE, indicating that Earth was to a large extent transformed by human activity by 3000 years ago, is published by Stephens et al. (2019).[552]
- Evidence for synchronous cyclical changes in monsoon climate, human activity and prehistoric cultural development in the area of northeast China throughout the Holocene is presented by Xu et al. (2019).[553]
- A study on Andean plate tectonics since the late Mesozoic is published by Chen, Wu & Suppe (2019).[554]
- A study on the course of the collision of India and Asia, as indicated by palaeomagnetic data from the Burma Terrane, is published by Westerweel et al. (2019).[555]
- A scenario for the genesis of tropical cyclones throughout the Cenozoic is presented by Yan et al. (2019).[556]
- A study on the extent of ice sheets in the Northern Hemisphere throughout the Quaternary is published by Batchelor et al. (2019).[557]
- A new method of concentration of proteins from fossil specimens with high humic content and of removal of humic substances is presented by Schroeter et al. (2019).[558]
References
- Media related to 2019 in paleontology at Wikimedia Commons
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{{cite journal}}
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