Zonitoides nitidus is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Gastrodontidae.
Vertigo is a genus of minute, air-breathing land snails, terrestrial pulmonate gastropod molluscs or micromollusks in the family Vertiginidae, the whorl snails.
Pseudosuccinea columella, the American ribbed fluke snail, is a species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae, the pond snails.
Gastrocopta is a genus of minute air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the family Gastrocoptidae.
Pyrgulopsis is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Hydrobiidae.
Zonitoides arboreus, commonly known as the quick gloss snail, is species of small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Gastrodontidae.
Pupilla muscorum, commonly known as the Moss Chrysalis snail or widespread column, is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Pupillidae.
Gastrocopta pellucida is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk or micromollusk in the family Vertiginidae, the vertigo snails.
Gulella io is a species of very small air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Streptaxidae.
Gyraulus chinensis is a species of small freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Allopeas clavulinum, common name the spike awlsnail, is a species of small, tropical, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinidae. This species is also known as Lamellaxis clavulinus.
The Socorro springsnail, scientific name Pyrgulopsis neomexicana, is an endangered species of minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusk or micromollusk in the family Hydrobiidae, the mud snails.
