Columella columella is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Truncatellinidae, the vertigo snails and allies.
The Banff Springs snail is a species of small air-breathing freshwater snail in the family Physidae.
Achatinella pulcherrima is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species is endemic to the island of Oahu in Hawaii.
Achatinella sowerbyana is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species is endemic to Hawaii.
Achatinella viridans is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Achatinellidae. This species is endemic to Hawaii.
The Magazine Mountain middle-toothed snail, also known as the Magazine Mountain shagreen, scientific name Inflectarius magazinensis, is a species of small, air-breathing, land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae.
Polygyridae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.
Allogona is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae.
Cryptomastix devia, common name the Puget Oregonian snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Polygyridae.
Allogona profunda, commonly known as the broad-banded forestsnail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Polygyridae.
Allogona ptychophora is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Polygyridae.
Physella wrighti, common name the hotwater physa, is a species of small air-breathing freshwater snail, an aquatic gastropod mollusk in the family Physidae.
Hemphillia dromedarius, the dromedary jumping-slug, is a species of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Binneyidae.
Hemphillia glandulosa, the warty jumping-slug, is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Binneyidae.
The Appalachina sayana, also known as the spike-lip crater, is a species of small, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae.
Deroceras hesperium, common name the evening fieldslug, is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Agriolimacidae.
Physella parkeri, the Broadshoulder Physa, is a species of small air-breathing freshwater snail.
Haplotrema concavum, the gray-footed lancetooth, is a species of predatory air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Haplotrematidae.
Vallonia excentrica, common name the eccentric vallonia, is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Valloniidae.
The boreal top or boreal top snail is species of minute, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Valloniidae, and the sole species in the genus Zoogenetes.
