As of February 2021, the International Union for Conservation of Nature (IUCN) lists 299 extinct species, 149 possibly extinct species, 14 extinct in the wild species, two possibly extinct in the wild species, eight extinct subspecies, one possibly extinct subspecies, and five extinct in the wild subspecies of mollusc.
Gastropods There are 267 extinct species, 134 possibly extinct species, 14 extinct in the wild species, two possibly extinct in the wild species, five extinct subspecies, one possibly extinct subspecies, and five extinct in the wild subspecies of gastropod evaluated by the IUCN.
Patellogastropoda
Extinct species Collisella edmitchelli Eelgrass limpet (Lottia alveus)
Stylommatophora
Extinct species
Possibly extinct species
Extinct in the wild species
Extinct subspecies
Extinct in the wild subspecies
Littorinimorpha
Extinct species
Possibly extinct species
Sorbeoconcha
Extinct species
Possibly extinct species
Extinct in the wild species
Architaenioglossa
Extinct species
Possibly extinct species
Cycloneritimorpha
Possibly extinct species Neritina tiassalensis
Hygrophila species
Extinct species
Possibly extinct species Thickshell pondsnail (Stagnicola utahensis)
Bivalvia
There are 32 extinct species, 15 possibly extinct species, and three extinct subspecies of bivalve evaluated by the IUCN.
Extinct species
Possibly extinct species
Extinct subspecies
See also List of least concern molluscs List of near threatened molluscs List of vulnerable molluscs List of endangered molluscs List of critically endangered molluscs List of data deficient molluscs
References