Wikipedia

List of data deficient molluscs

In September 2016, the International Union for Conservation of Nature (IUCN) listed 1988 data deficient mollusc species.[1] Of all evaluated mollusc species, 27% are listed as data deficient. The IUCN also lists 40 mollusc subspecies as data deficient.

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

No subpopulations of molluscs have been evaluated by the IUCN.

This is a complete list of data deficient mollusc species and subspecies evaluated by the IUCN.

Gastropods

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There are 1526 species and 37 subspecies of gastropod evaluated as data deficient.

Vetigastropoda

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Stylommatophora

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Stylommatophora includes the majority of land snails and slugs. There are 392 species and 32 subspecies in the order Stylommatophora evaluated as data deficient.

Partulids

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Subulinids

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Species

Subspecies

Achatinellids

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Endodontids

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Charopids

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Helicarionids

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Orthalicids

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Euconulids

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Rhytidids

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Streptaxids

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Species

Subspecies

Zonitids

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Pupillids

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Polygyrids

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Species

Subspecies

Helminthoglyptids

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Species

Subspecies

Camaenids

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Lauriids

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Vertiginids

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Bradybaenids

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Species

Subspecies

Helicids

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Hygromiids

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Enids

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Other Stylommatophora

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Species

Subspecies

Littorinimorpha

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There are 565 species and one subspecies in the order Littorinimorpha evaluated as data deficient.

Strombids

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Pomatiids

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Hydrobiids

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Cochliopids

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Bithyniids

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Species

Subspecies

Moitessieriids

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Assimineids

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Pomatiopsids

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Lithoglyphids

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Amnicolids

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Stenothyrids

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Iravadiids

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Truncatellids

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Sorbeoconcha

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There are 97 species and one subspecies in the order Sorbeoconcha evaluated as data deficient.

Batillarids

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Pleurocerids

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Melanopsids

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Semisulcospirids

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Thiarids

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Pachychilids

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Paludomids

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Species

Subspecies

Architaenioglossa

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There are 106 species and one subspecies in the order Architaenioglossa evaluated as data deficient.

Neocyclotids

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Cyclophorids

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Species

Subspecies

Pupinids

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Diplommatinids

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Aciculids

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Viviparids

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Ampullariids

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Lower Heterobranchia species

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Cycloneritimorpha

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There are 30 species and two subspecies in the order Cycloneritimorpha evaluated as data deficient.

Helicinids

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Species

Subspecies

Hydrocenids

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Neritids

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Hygrophila species

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There are 197 Hygrophila species evaluated as data deficient.

Physids

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Acroloxids

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Planorbids

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Lymnaeids

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Chilinids

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Latiids

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Neogastropoda

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There are 113 species in the order Neogastropoda evaluated as data deficient.

Turrids

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Marginellids

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Buccinids

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Muricids

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Conids

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Eupulmonata

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Archaeopulmonata

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Bivalvia

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There are 171 species and three subspecies in the class Bivalvia evaluated as data deficient.

Pectinida

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Unionida

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There are 95 species in the order Unionoida evaluated as data deficient.

Margaritiferids

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Unionids

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Hyriids

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Iridinids

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Mycetopodids

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Venerida

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There are 74 species and three subspecies in the order Veneroida evaluated as data deficient.

Dreissenids

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Sphaeriids

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Species

Subspecies

Cyrenids

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Species

Subspecies

Donacids

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Solecurtids

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Mytilida

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Cephalopods

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There are 291 cephalopod species evaluated as data deficient.

Idiosepiida

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Octopuses

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There are 34 octopus species evaluated as data deficient.

Umbrella octopuses

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Argonautids

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Cirroteuthids

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Grimpoteuthis species

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Sepioloida

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There are 142 species in Sepioloida evaluated as data deficient.

Sepiids

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Sepiolids

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Sepiadariids

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Oegopsina species

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There are 104 Oegopsina species evaluated as data deficient.

Mastigoteuthidae

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Enoploteuthids

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Hooked squids

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Chiroteuthids

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Cranchiids

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Octopoteuthids

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Other Oegopsina species

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Bathyteuthida

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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.


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