List of critically endangered molluscs

There are 511 species and six subspecies of gastropod assessed as critically endangered. ===Stylommatophora=== Stylommatophora includes the majority of land snails and slugs. There are 233 species and five subspecies in the order Stylommatophora assessed as critically endangered. ====Amastrids==== ====Partulids==== ====Achatinellids==== ====Endodontids==== Species Subspecies ====Charopids==== ====Helicarionids==== ====Orthalicids==== ====Rhytidids==== ====Streptaxids==== ====Lauriids==== ====Helicids==== ====Hygromiids==== ====Enids==== Other Stylommatophora species ===Littorinimorpha=== There are 181 species in the order Littorinimorpha assessed as critically endangered. ====Hydrobiids==== ====Cochliopids==== ====Bithyniids==== ====Moitessieriids==== • Henrigirardia wienini (possibly extinct) • Spiralix corsica (possibly extinct) ====Assimineids==== ====Pomatiopsids==== ===Sorbeoconcha=== ===Architaenioglossa=== There are 48 species in the order Architaenioglossa assessed as critically endangered. ====Cyclophorids==== ====Diplommatinids==== ====Viviparids==== Other Architaenioglossa species ===Cycloneritimorpha=== ===Hygrophila=== Species Subspecies • Bulinus tropicus torensis ===Neogastropoda=== Other gastropod species ==Bivalvia==

There are 69 species and five subspecies in the class Bivalvia assessed as critically endangered. ===Unionida=== There are 66 species and five subspecies in the order Unionoida assessed as critically endangered. ====Margaritiferids==== Species Subspecies • Margaritifera margaritifera durrovensis ====Etheriids==== • Acostaea rivolii ====Unionids==== Species Subspecies ====Hyriids==== • Glenelg freshwater mussel (Hyridella glenelgensis) ===Venerida=== ==Cephalopods==

• Opisthoteuthis chathamensis == See also ==