Arthropod species (IUCN, 2016-2)
- 9470 extant species have been evaluated
- 6580 of those are fully assessed[a]
- 4478 are not threatened at present[b]
- 2100 to 4990 are threatened[c]
- 83 to 169 are extinct or extinct in the wild:
- 81 extinct (EX) species[d]
- 2 extinct in the wild (EW)
- 86 possibly extinct [CR(PE)]
- 0 possibly extinct in the wild [CR(PEW)]
- ^ excludes data deficient evaluations.
- ^ NT, LR/cd, LC.
- ^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
- ^ Chart omits extinct (EX) species
As of September 2016, the International Union for Conservation of Nature (IUCN) lists 81 extinct species, 86 possibly extinct species, and two extinct in the wild species of arthropod.[1][2]
Centipedes
Possibly extinct species
- Mecistocephalus cyclops
- Mecistocephalus sechellarum
Seed shrimps
Extinct species
Arachnids
Extinct species
Possibly extinct species
Millipedes
Extinct species
Possibly extinct species
Entognatha
Possibly extinct species
- Ceratophysella sp. 'HC'
- Delamarephorura tami
Maxillopoda
Extinct species
Malacostracans
Includes crabs, lobsters, crayfish, shrimp, krill, woodlice, and many others.
Extinct species
Possibly extinct species
Extinct in the wild species
Insects
Extinct species
Possibly extinct species
Extinct in the wild species
See also
References
- ^ "IUCN Red List version 2016-2". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 8 September 2016.
- ^ "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 2016-2)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 8 September 2016.