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Extinct in the wild (EW): 13 species
Critically endangered (CR): 581 species
Endangered (EN): 507 species
Vulnerable (VU): 879 species
Near threatened (NT, LR/cd): 535 species
Least concern (LC): 2,437 species
Data deficient (DD): 1,988 species
Mollusc species (IUCN, 2020.1)
6941 extant species have been evaluated
4953 of those are fully assessed[a]
2972 are not threatened at present[b]
1967 to 3955 are threatened[c]
324 to 441 are extinct or extinct in the wild:
311 extinct (EX) species[d]
13 extinct in the wild (EW)
117 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 February 2021, the International Union for Conservation of Nature (IUCN) lists 299 extinct species, 149 possibly extinct species, 14 extinct in the wild species, two possibly extinct in the wild species, eight extinct subspecies, one possibly extinct subspecies, and five extinct in the wild subspecies of mollusc.[1]
^"The IUCN Red List of Threatened Species". IUCN Red List of Threatened Species. Retrieved 2021-02-09.
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