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
Near threatened (NT) species do not currently qualify for critically endangered (CR), endangered (EN) or vulnerable (VU) status, but are likely to qualify for a threatened category in the near future, or are already close to qualifying.
In September 2016, the International Union for Conservation of Nature (IUCN) listed 535 near threatened mollusc species.[ 1] Of all evaluated mollusc species, 7.4% are listed as near threatened.
The IUCN also lists nine mollusc subspecies as near threatened.
No subpopulations of molluscs have been evaluated by the IUCN.
This is a complete list of near threatened mollusc species and subspecies evaluated by the IUCN.
^ "IUCN Red List version 2016-2" . The IUCN Red List of Threatened Species . International Union for Conservation of Nature and Natural Resources. Retrieved 8 September 2016 .