List of least concern molluscs

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.

Gastropods

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

Stylommatophora

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

Charopids

Streptaxids

Lauriids

Vertiginids

Cochlicellids

Trissexodontids

Helicids

Species

Subspecies

• Hemicycla glyceia glyceia

Hygromiids

Vitrinids

Chondrinids

Enids

Argnids

Helicodontids

Orculids

Other Stylommatophora species

Littorinimorpha

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

Hydrobiids

Cochliopids

Bithyniids

Species

Subspecies

• Gabbiella humerosa humerosa

Moitessieriids

Assimineids

Pomatiopsids

Amnicolids

Stenothyrids

Iravadiids

Other Littorinimorpha species

Sorbeoconcha

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

Pleurocerids

Melanopsids

Semisulcospirids

• Black juga (Juga nigrina)

Thiarids

Pachychilids

Paludomids

Species

Subspecies

• Cleopatra bulimoides bulimoides

Potamidids

Architaenioglossa

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

Cyclophorids

• Cyathopoma blandfordi

Pupinids

• Pupina difficilis

Diplommatinids

Aciculids

Viviparids

Ampullariids

Craspedopomatids

Lower Heterobranchia species

Cycloneritimorpha

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

Helicinids

Neritids

Neritiliids

• Platynerita rufa

Hygrophila species

There are 188 Hygrophila species assessed as least concern.

Physids

Acroloxids

Planorbids

Lymnaeids

Chilinids

Latiids

• Latia neritoides

Neogastropoda

Conids

Eupulmonata

Other gastropod species

Bivalvia

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

Unionida

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

Etheriids

• Bartlettia stefanensis
• Etheria elliptica

Unionids

Hyriids

Iridinids

Species

Subspecies

• Chambardia wahlbergi hartmanni

Mycetopodids

Cardiida

• Boring clam (Tridacna crocea)

Arcida

Venerida

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

Dreissenids

Sphaeriids

Cyrenids

Species

Subspecies

• Corbicula fluminalis natalensis

Donacids

Other Venerida species

Mytilida

Cephalopods

There are 197 cephalopod species assessed as least concern.

Octopuses

Sepioloida

There are 45 species in Sepioloida assessed as least concern.

Sepiids

Sepiolids

Sepiadariids

• Koch's bottletail squid (Sepiadarium kochi)
• Sepioloidea magna

Oegopsina species

There are 126 Oegopsina species assessed as least concern.

Enoploteuthids

Hooked squids

Chiroteuthids

Cranchiids

Gonatids

Ommastrephids

Histioteuthids

Pyroteuthids

Other Oegopsina species

Bathyteuthida

• Deepsea squid (Bathyteuthis abyssicola)

Spirulida

• Ram's horn squid (Spirula spirula)

See also

• Lists of IUCN Red List least concern species
• List of near threatened molluscs
• List of vulnerable molluscs
• List of endangered molluscs
• List of critically endangered molluscs
• List of recently extinct molluscs
• List of data deficient molluscs

References

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