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List of recently extinct invertebrates

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16 extinct in the wild invertebrate species (0.09%)987 critically endangered invertebrate species (5.6%)1163 endangered invertebrate species (6.6%)2178 vulnerable invertebrate species (12%)1105 near threatened invertebrate species (6.3%)6919 least concern invertebrate species (39%)5278 data deficient invertebrate species (30%)
Invertebrate species (IUCN, 2020.1)
  • 17,646 extant species have been evaluated
  • 12,368 of those are fully assessed[a]
  • 8024 are not threatened at present[b]
  • 4328 to 9606 are threatened[c]
  • 410 to 616 are extinct or extinct in the wild:
    • 395 extinct (EX) species[d]
    • 15 extinct in the wild (EW)
    • 206 possibly extinct [CR(PE)]
    • 0 possibly extinct in the wild [CR(PEW)]
  1. ^ excludes data deficient evaluations.
  2. ^ NT, LR/cd, LC.
  3. ^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
  4. ^ Chart omits extinct (EX) species

As of July 2016, the International Union for Conservation of Nature (IUCN) lists 395 extinct species, 206 possibly extinct species, 15 extinct in the wild species, 8 extinct subspecies, and 5 extinct in the wild subspecies of invertebrate.[1][2]

Flatworms

Extinct species

Nemertea species

Extinct species

Possibly extinct species

Annelids

Extinct species

  • Japan's earthworm (Amynthas japonicus)[3]
  • Schmarda's earthworm (Tokea orthostichon)[4][5][6]

Molluscs

Main article: List of recently extinct molluscs

Gastropods

Extinct species

Possibly extinct species

Extinct in the wild species

Extinct subspecies

Extinct in the wild subspecies

Bivalvia

Extinct species

Possibly extinct species

Extinct subspecies

Cnidaria

Possibly extinct species

Arthropods

Main article: List of recently extinct arthropods

Centipedes

Possibly extinct species

Seed shrimps

Extinct species

Arachnids

Extinct species

Possibly extinct species

Millipedes

Extinct species

Possibly extinct species

Entognatha

Possibly extinct species

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

Main article: List of recently extinct insects

Extinct species

Possibly extinct species

Extinct in the wild species

See also

References

  1. ^ "IUCN Red List version 2016.1". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 4 July 2016.
  2. ^ "Table 9: Possibly Extinct and Possibly Extinct in the Wild Species (IUCN Red List version 2016-1)". The IUCN Red List of Threatened Species. Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 4 July 2016.
  3. ^ Blakemore (2019). "Extinction of Japan's first formally described earthworm Amynthas japonicus (Horst, 1883) (Annelida, Oligochaeta, Megadrilacea, Megascolecidae)" (PDF). Bull. Kanagawa Mus. 48: 55–60. Retrieved 10 May 2019.
  4. ^ Blakemore (2012). "On Schmarda's lost earthworm and some newly found New Zealand species(Oligochaeta: Megadrilacea: Lumbricidae,Acanthodrilidae, Octochaetidae, & Megascolecidae s. stricto)". Journal of Species Research. 1 (2). JSR: 105–132. doi:10.12651/jsr.2012.1.2.105.
  5. ^ Blakemore (2017). "Tokea orthostichon". IUCN Red List of Threatened Species. 2017: 1. Retrieved 14 February 2019. {{cite iucn}}: error: malformed |page= identifier (help)
  6. ^ Blakemore (2019). "Redescription of extinct New Zealand earthworm: Tokea orthostichon (Schmarda, 1861)" (PDF). Bull. Kanagawa Prefectural Museum (N.H.). 42: 61–68. Retrieved 1 March 2019.
  7. ^ Blakemore (2003). "Hypolimnus pedderensis. The IUCN Red List of Threatened Species 2003: e.T41254A10424837". IUCN Red List of Threatened Species. 2003. Retrieved 27 May 2019.


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