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.
[1] 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.
Extinct species Includes the majority of land snails and slugs.
Extinct species Possibly extinct species Extinct in the wild species Extinct subspecies Extinct in the wild subspecies Extinct species Possibly extinct species Extinct species Possibly extinct species Extinct in the wild species Extinct species Possibly extinct species Possibly extinct species Extinct species Possibly extinct species 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