| Heterocyclus | |
|---|---|
 | |
| Heterocyclus perroquini | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Tateidae |
| Genus: | Heterocyclus Crosse, 1872 |
Heterocyclus is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Tateidae. [1]
Species within the genus Heterocyclus include:
Placostylus, or flax snails, are a genus of very large, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Bothriembryontidae.
Glyptophysa petiti is a species of small sinistral (left-handed) air-breathing freshwater snail, aquatic pulmonate gastropod mollusks in the family Planorbidae.
Glyptophysa is a genus of medium-sized sinistral (left-handed) air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family of Planorbidae.
Heterocyclus perroquini is a species of minute freshwater snail with an operculum, aquatic gastropod mollusc or micromollusc in the family Tateidae.
Pyganodon is a genus of freshwater mussels, aquatic bivalve mollusks in the subfamily Unioninae of the family Unionidae, the river mussels.
Streptostyla is a genus of predatory, air-breathing land snails, terrestrial pulmonate gastropod molluscs in the subfamily Streptostylinae of the family Spiraxidae.
Pachychilidae, common name pachychilids, is a taxonomic family of freshwater snails, gastropod molluscs in the clade Sorbeoconcha.
Cleopatra is a genus of freshwater snails with an operculum, aquatic gastropod molluscs in the family Paludomidae within the subfamily Cleopatrinae.
Goniodoris is a genus of sea slugs, specifically dorid nudibranchs, marine gastropod molluscs in the family Goniodorididae.
Acusta is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the subfamily Bradybaeninae of the family Camaenidae.
Lymnaeoidea, commonly known as pond snails, is a taxonomic superfamily of air-breathing freshwater snails that belong to the superorder Hygrophila.
Eucalodiidae is a family of air-breathing land snails, terrestrial gastropod mollusks in the superfamily Urocoptoidea.
Delphinonaias is a genus of freshwater mussels, aquatic bivalve mollusks in the subfamily Ambleminae of the family Unionidae.
Diplomphalus is a genus of land snails with an operculum, terrestrial gastropod mollusks in the family Rhytididae.
Eucalodium is a genus of land snails in the family Eucalodiidae.
Bouchetcamaena is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Camaenidae.
Mekongia is a genus of Viviparidae, a gastropoda mollusca in the subfamily Bellamyinae of the family Viviparidae.
Psoronaias is a genus of freshwater mussels, aquatic bivalve mollusks in the subfamily Ambleminae of the family Unionidae, the river mussels.
Tomocyclus is a genus of sea snails, marine gastropod mollusks in the subfamily Megalomastomatinae of the family Megalomastomatidae.
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