•   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)]

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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 6919 least concern invertebrate species.^[1] 38% of all evaluated invertebrate species are listed as least concern. The IUCN also lists 32 invertebrate subspecies as least concern.

No subpopulations of invertebrates have been evaluated by the IUCN.

This is a complete list of least concern invertebrate species and subspecies as evaluated by the IUCN.

Nemertea species

• Argonemertes hillii

Molluscs

There are 2437 mollusc species and five mollusc subspecies assessed as least concern.

Cnidaria

There are 301 species in the phylum Cnidaria assessed as least concern.

Arthropods

There are 4069 arthropod species and 27 arthropod subspecies assessed as least concern.

Echinoderms

There are 111 echinoderm species assessed as least concern.

See also

• Lists of IUCN Red List least concern species
• List of near threatened invertebrates
• List of vulnerable invertebrates
• List of endangered invertebrates
• List of critically endangered invertebrates
• List of recently extinct invertebrates
• List of data deficient invertebrates

References