List of least concern molluscs

Mollusc species (IUCN, 2020.1)
  • 6941 extant species have been evaluated
  • 4953 of those are fully assessed
  • 2972 are not threatened at present
  • 1967 to 3955 are threatened
  • 324 to 441 are extinct or extinct in the wild:
    • 311 extinct (EX) species
    • 13 extinct in the wild (EW)
    • 117 possibly extinct [CR(PE)]
    • 0 possibly extinct in the wild [CR(PEW)]
  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

In September 2016, the International Union for Conservation of Nature (IUCN) listed 2437 least concern mollusc species. 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.

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