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
In September 2016, the International Union for Conservation of Nature (IUCN) listed 2437 least concern mollusc species.[1] Of all evaluated mollusc species, 34% are listed as least concern.
The IUCN also lists five mollusc subspecies as least concern.
No subpopulations of molluscs have been evaluated by the IUCN.
This is a complete list of least concern 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 (IUCN). Retrieved 8 September 2016.