- Extinct in the wild (EW): 15 species
- Critically endangered (CR): 987 species
- Endangered (EN): 1,163 species
- Vulnerable (VU): 2,178 species
- Near threatened (NT, LR/cd): 1,105 species
- Least concern (LC): 6,919 species
- Data deficient (DD): 5,278 species
Invertebrate species (IUCN, 2020.1)
- 17,646 extant species have been evaluated
- 12,368 of those are fully assessed [lower-alpha 1]
- 8024 are not threatened at present [lower-alpha 2]
- 4328 to 9606 are threatened [lower-alpha 3]
- 410 to 616 are extinct or extinct in the wild:
- 395 extinct (EX) species [lower-alpha 4]
- 15 extinct in the wild (EW)
- 206 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 July 2016, the International Union for Conservation of Nature (IUCN) lists 5278 data deficient invertebrate species. [1] 29% of all evaluated invertebrate species are listed as data deficient. The IUCN also lists 57 invertebrate subspecies as data deficient.
Contents
- Nemertea species
- Annelids
- Onychophora
- Molluscs
- Gastropods
- Bivalvia
- Cephalopods
- Cnidaria
- Hydrozoa
- Anthozoa
- Arthropods
- Arachnids
- Branchiopoda
- Millipedes
- Maxillopoda
- Xiphosura
- Malacostracans
- Insects
- Echinoderms
- Sea cucumbers
- See also
- References
No subpopulations of invertebrates have been evaluated by the IUCN.
This is a complete list of data deficient invertebrate species and subspecies as evaluated by the IUCN.
