| Western three-toothed land snail | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Order: | Stylommatophora |
| Family: | Polygyridae |
| Genus: | Triodopsis |
| Species: | T. occidentalis |
| Binomial name | |
| Triodopsis occidentalis | |
The western three-toothed land snail (Triodopsis occidentalis), is a species of air-breathing land snail, which is a terrestrial pulmonate gastropod mollusk in the family Polygyridae. This species is endemic to the United States.
The Lord Howe flax snail or the Lord Howe placostylus, scientific name Placostylus bivaricosus, is a species of large air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Bothriembryontidae.
Planorbella is a genus of freshwater air-breathing snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids, which all have sinistral, or left-coiling, shells.
Glacidorbis occidentalis is a species of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Glacidorbidae. This species is endemic to Australia.
Glacidorbis is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Glacidorbidae.
Mouldingia occidentalis is a species of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Camaenidae. This is endemic to Australia.
Pila occidentalis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the apple snails family, Ampullariidae. This species is found in Angola, Botswana, Namibia, and Zambia.
Triodopsis is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae.
The flat-spired three-toothed snail —also known as the Cheat three-toothed snail after the Cheat River in West Virginia—is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Polygyridae.
Polygyridae is a family of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the superfamily Helicoidea.
Neohelix is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae.
Webbhelix is a genus of North American land snails, terrestrial pulmonate gastropod mollusks in the family Polygyridae. The genus contains several taxa which were previously included under the name Triodopsis multilineata.
Neohelix albolabris is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Polygyridae.
Triodopsis hopetonensis, common name the magnolia threetooth, is a species of air-breathing land snail, terrestrial pulmonate gastropod mollusk in the family Polygyridae.
Triodopsis tridentata, common name the northern three-tooth or northern threetooth, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Polygyridae.
Abida occidentalis is a species of land snail in the family Chondrinidae.
T. occidentalis may refer to several different species. The specific epithet occidentalis means 'western.'
