List of data deficient molluscs

Last updated

Circle frame.svg14 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 [lower-alpha 1]
  • 2972 are not threatened at present [lower-alpha 2]
  • 1967 to 3955 are threatened [lower-alpha 3]
  • 324 to 441 are extinct or extinct in the wild:
    • 311 extinct (EX) species [lower-alpha 4]
    • 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 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.

Contents

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

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

Vetigastropoda

Stylommatophora

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

Subulinids

Species

Subspecies

Achatinellids

Endodontids

Charopids

Helicarionids

Orthalicids

Euconulids

Rhytidids

Streptaxids

Species

Subspecies

Zonitids

Pupillids

Polygyrids

Species

Subspecies

Helminthoglyptids

Species

Subspecies

Camaenids

Lauriids

Vertiginids

Bradybaenids

Species

Subspecies

Helicids

Hygromiids

Enids

Other Stylommatophora

Species

Subspecies

Littorinimorpha

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

Strombids

Pomatiids

Hydrobiids

Cochliopids

Bithyniids

Species

Subspecies

Moitessieriids

Assimineids

Pomatiopsids

Lithoglyphids

Amnicolids

Stenothyrids

Iravadiids

Truncatellids

Sorbeoconcha

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

Batillarids

Pleurocerids

Melanopsids

Semisulcospirids

Thiarids

Pachychilids

Paludomids

Species

Subspecies

Architaenioglossa

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

Neocyclotids

Cyclophorids

Species

Subspecies

Pupinids

Diplommatinids

Aciculids

Viviparids

Ampullariids

Lower Heterobranchia species

Cycloneritimorpha

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

Helicinids

Species

Subspecies

Hydrocenids

Neritids

Hygrophila species

There are 197 Hygrophila species evaluated as data deficient.

Physids

Acroloxids

Planorbids

Lymnaeids

Chilinids

Latiids

Neogastropoda

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

Turrids

Marginellids

Buccinids

Muricids

Conids

Eupulmonata

Archaeopulmonata

Bivalvia

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

Pectinida

Unionida

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

Margaritiferids

Unionids

Hyriids

Iridinids

Mycetopodids

Venerida

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

Dreissenids

Sphaeriids

Species

Subspecies

Cyrenids

Species

Subspecies

Donacids

Solecurtids

Mytilida

Cephalopods

There are 291 cephalopod species evaluated as data deficient.

Idiosepiida

Octopuses

There are 34 octopus species evaluated as data deficient.

Umbrella octopuses

Argonautids

Cirroteuthids

Grimpoteuthis species

Sepioloida

There are 142 species in Sepioloida evaluated as data deficient.

Sepiids

Sepiolids

Sepiadariids

Oegopsina species

There are 104 Oegopsina species evaluated as data deficient.

Mastigoteuthidae

Enoploteuthids

Hooked squids

Chiroteuthids

Cranchiids

Octopoteuthids

Other Oegopsina species

Bathyteuthida

See also

Related Research Articles

In August 2018, the IUCN Red List of Threatened Species identified 6086 Vulnerable species, subspecies and varieties, stocks and sub-populations in the Animalia kingdom.

As of 19 August 2018, the IUCN Red List of Threatened Species has identified 3,005 critically endangered species, subspecies, stocks and subpopulations in the Animalia kingdom.

References

  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.