Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the absence of a visible shell.
Discus is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Discidae, the disk snails.
Anguispira picta, common names painted snake-coiled forest snail and painted tigersnail, is a rare species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Discidae, the disc snails.
Anguispira is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Discidae, the disk snails.
Vespericola is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae.
Discidae is a taxonomic family of small air-breathing land snails, terrestrial gastropod mollusks in the superfamily Punctoidea.
Polygyridae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.
Xolotrema is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae.
Allogona is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae.
Haplotrematidae is a taxonomic family of predatory air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Haplotrematoidea.
Ancotrema is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Haplotrematidae.
Appalachina is a genus of small, air-breathing, land snails, terrestrial pulmonate gastropod molluscs in the family Polygyridae.
Discus rotundatus, common name rotund disc, is a species of small, air-breathing, land snail, a terrestrial pulmonate gastropod mollusk in the family Discidae, the disk snails.
The Helminthoglyptinae are a subfamily of air-breathing land snails, terrestrial pulmonate gastropod mollusks within the family Xanthonychidae.
Pyramidula is a genus of very small, air-breathing land snails, terrestrial pulmonate gastropod mollusks or micromollusks in the family Pyramidulidae.
Vertigo ventricosa, common name the five-tooth vertigo, is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Vertiginidae, the whorl snails.
Anguispira cumberlandiana, the Cumberland tigersnail or the Cumberland disc, is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Discidae.
William Greene Binney was an American attorney known for his avocation as a malacologist, working mostly during the second half of the nineteenth century. He was responsible for volumes 4 and 5 of The Terrestrial Air-Breathing Mollusks of the United States, a task he took over from his father, Amos Binney, and collaborator, Augustus Addison Gould. The ninety engraved plates which were part of volume 5, illustrating most of the then known land mollusk fauna, are particularly noteworthy.
Succinea concordialis, common name the spotted ambersnail, is a species of small, air-breathing, land snail, a terrestrial pulmonate gastropod mollusc in the family Succineidae, the amber snails.
Apical view of the shell
Umbilical view of the shell
