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List of least concern molluscs

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14 extinct in the wild mollusc species (0.20%)581 critically endangered mollusc species (8.4%)507 endangered mollusc species (7.3%)879 vulnerable mollusc species (13%)535 near threatened mollusc species (7.7%)2437 least concern mollusc species (35%)1988 data deficient mollusc species (29%)
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)]

  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.[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.

There are 1944 species and three subspecies of gastropod assessed as least concern.

Stylommatophora includes the majority of land snails and slugs. There are 599 species and one subspecies in the order Stylommatophora assessed as least concern.

Species

Subspecies

Other Stylommatophora species

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There are 311 species and one subspecies in the order Littorinimorpha assessed as least concern.

Species

Subspecies

Other Littorinimorpha species

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There are 132 species and one subspecies in the order Sorbeoconcha assessed as least concern.

Species

Subspecies

There are 158 species in the order Architaenioglossa assessed as least concern.

There are 40 species in the order Cycloneritimorpha assessed as least concern.

Hygrophila species

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There are 188 Hygrophila species assessed as least concern.

Other gastropod species

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There are 296 species and two subspecies in the class Bivalvia assessed as least concern.

There are 193 species and one subspecies in the order Unionoida assessed as least concern.

Species

Subspecies

There are 96 species and one subspecies in the order Veneroida assessed as least concern.

Species

Subspecies

Other Venerida species

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There are 197 cephalopod species assessed as least concern.

There are 45 species in Sepioloida assessed as least concern.

Oegopsina species

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There are 126 Oegopsina species assessed as least concern.

Other Oegopsina species

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See also

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References

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  1. ^ "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.