44 Extinct gastropods

Achatinella abbreviata, an Oʻahu tree snail, is an extinct species of colorful tropical tree-living air-breathing land snail, an arboreal pulmonate gastropod mollusk in the genus Achatinella.

Achatinella buddii is an extinct species of land snail, a gastropod in the family Achatinellidae. It was endemic to Oʻahu.

Achatinella caesia is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu.

Achatinella casta is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu.

Achatinella decora is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu, Hawaiʻi.

Achatinella dimorpha is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu.

Achatinella elegans is an extinct species of a land snail, gastropod in the family Achatinellidae. It was endemic to Oʻahu.

Achatinella juddii is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu, Hawaiʻi.

Achatinella juncea is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu, Hawaiʻi.

Achatinella lehuiensis is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu, Hawaiʻi.

Achatinella livida is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu, Hawaiʻi.

Achatinella papyracea is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu, Hawaiʻi.

Achatinella spaldingi is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae, now extinct. This species was endemic to Oʻahu, Hawaiʻi.

Achatinella thaanumi is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu, Hawaiʻi.

Achatinella valida is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species was endemic to Oʻahu, Hawaiʻi.

Advena campbelli is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Helicarionidae. This species is endemic to Norfolk Island. It was listed as extinct by the International Union for the Conservation of Nature from 1996. However, the Australian Government lists the species as Critically Endangered, and stated in 2009 that the species' IUCN status was "incorrect and requires updating." A small living population was found in 2020.

Amastra albolabris was a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae. This species was endemic to Oʻahu, and was known from the Waiʻanae Range.

Amastra cornea was a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae. This species was endemic to Oʻahu, and was known from around Waialua.

Amastra crassilabrum was a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusks in the family Amastridae. This species was endemic to Oʻahu, and was known from the Waiʻanae Range.

Amastra elongata was a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae. This species was endemic to Oʻahu.

Amastra pellucida was a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Amastridae. This species was endemic to Oʻahu, and was known from the Waiʻanae Valley.

Amastra reticulata was a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Amastridae. This species was endemic to Oʻahu, and was known from the Waiʻanae Range.

Amastra subrostrata was a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Amastridae. This species was endemic to Oʻahu.

Amastra subsoror was a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Amastridae. The species was endemic to Maui, and was described by George W. Tryon and Henry A. Pilsbry in their 1911 Manual of Conchology. It was last observed in 1946, and is thought to have gone extinct due to the introduction of predators to its habitat, the destruction of its habitat, and overcollecting.

Amphicyclotulus guadeloupensis was a species of tropical land snail with a gill and an operculum, a terrestrial gastropod mollusk in the family Neocyclotidae.

Biotocus turbinatus was a species of land snail, a gastropod in the family Odontostomidae.

Carelia is a genus of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae and superfamily Cochlicopoidea. Snails in this genus are endemic to the Hawaiian Islands.

†Carelia cochlea was a species of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae and superfamily Cochlicopoidea.

†Carelia dolei was a species of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae and superfamily Cochlicopoidea.

Carelia turricula are an extinct species of small, air-breathing, land snails, terrestrial pulmonate gastropod mollusks in the family Amastridae and superfamily Cochlicopoidea.

Chilonopsis nonpareil is an extinct species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae. This species was endemic to Saint Helena. It is now extinct and was last seen in 1870.

The umbilicate pebblesnail, scientific name Clappia umbilicata, was a species of small freshwater snail that had an operculum, an aquatic gastropod mollusk in the family Lithoglyphidae. This species is now extinct.

The cobble elimia, scientific name †Elimia vanuxemiana, was a species of freshwater snails, aquatic gilled gastropod mollusks with an operculum in the family Pleuroceridae. This species was endemic to the United States. It is now extinct.

The corded purg, scientific name Pyrgulopsis nevadensis, is an extinct species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.

Fluminicola nuttallianus, common name dusky pebblesnail, is a possibly extinct species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Lithoglyphidae.

Graecoanatolica macedonica is an extinct species of small freshwater snail, an aquatic gastropod mollusk in the family Hydrobiidae.

Libera subcavernula was a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Endodontidae.

†Libera tumuloides was a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Endodontidae.

†Littoridina gaudichaudii is a species of small freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.

Pachnodus velutinus was a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Cerastidae. This species was endemic to the Seychelles. It is now extinct.

Partula affinis is a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species is endemic to Tahiti, French Polynesia. It is now critically endangered.

†Partula turgida was a species of air-breathing tropical land snail, a terrestrial pulmonate gastropod mollusk in the family Partulidae. This species was endemic to Ra'iātea, French Polynesia. It died out in 1996, and is now extinct. The snail's low rate of movement made it hard to determine the exact date of death but it was confirmed on 31 January.

The shoal sprite was a species of minute, air-breathing, freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails. This species was endemic to Alabama, but it is now extinct.

Sinployea decorticata a species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Charopidae. This species was endemic to the Cook Islands; it is now extinct.