An IUCN Red List Critically Endangered species is one that has been categorized by the International Union for Conservation of Nature as facing an extremely high risk of extinction in the wild. As of December 2023, of the 157,190 species currently on the IUCN Red List, 9,760 of those are listed as Critically Endangered, with 1,302 being possibly extinct and 67 possibly extinct in the wild.
Boucardicus albocinctus is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Alycaeidae.
Boucardicus antiquus is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus carylae is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus culminans is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus curvifolius is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus delicatus is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus divei is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus esetrae is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus fidimananai is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus fortistriatus is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus magnilobatus is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus mahermanae is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus randalanai is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus simplex is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus tridentatus is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
Boucardicus victorhernandezi is a species of land snail with an operculum, a terrestrial gastropod mollusc in the family Alycaeidae.
