| Pettancylus | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Superorder: | Hygrophila |
| Family: | Planorbidae |
| Subfamily: | Ancylinae |
| Tribe: | Ancylini |
| Genus: | Pettancylus Iredale, 1943 |
| Type species | |
| Ancylus tasmanicaTenison Woods, 1876 | |
| Synonyms [1] | |
| |
Pettancylus is a genus of air-breathing freshwater snails, pulmonate gastropod mollusks in the subfamily Ancylinae of the family Planorbidae. [1]
Stylommatophora is an order of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This taxon includes most land snails and slugs. Stylommatophorans lack an operculum, but some close their shell apertures with temporary "operculum" (epiphragm) made of calcified mucus. They have two pairs of retractile tentacles, the upper pair of which bears eyes on the tentacle tips. All stylommatophorans are hermaphrodites.
Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod molluscs. Unlike most molluscs, the blood of ram's horn snails contains iron-based hemoglobin instead of copper-based hemocyanin. As a result, planorbids are able to breathe oxygen more efficiently than other molluscs. The presence of hemoglobin gives the body a reddish colour. This is especially apparent in albino animals.
Viviparidae, sometimes known as the river snails or mystery snails, are a family of large operculate freshwater snails, aquatic gastropod mollusks.
Bithyniidae is a family of small freshwater snails with an operculum, aquatic gastropod molluscs in the clade Littorinimorpha.
Sitala is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Durgellinae of the family Helicarionidae.
Cecilioides is a genus of very small, air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Ferussaciidae.
Ferrissia is a genus of small, air-breathing freshwater limpets, aquatic gastropod mollusks in the family Planorbidae, the ram's horn snails and their allies.
Gonaxis is a genus of air-breathing land snails, terrestrial pulmonate [[gastr opod]] mollusks in the family Streptaxidae.
Lanistes is a genus of freshwater snails which have a gill and an operculum, aquatic gastropod mollusks in the family Ampullariidae, the apple snails.
Melanoides is a genus of freshwater snail with an operculum, an aquatic gastropod mollusk in the subfamily Thiarinae of the family Thiaridae.
Nesopupa is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Nesopupinae of the family Vertiginidae.
Subulina is a genus of small tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae.
Thapsia is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the subfamily Sheldoniinae of the family Urocyclidae.
Assimineidae is a family of minute snails, also known as palmleaf snails, with an operculum, gastropod mollusks or micromollusks in the superfamily Rissoidae. Many of these very small snails live in intermediate habitats, being amphibious between saltwater and land; others live in freshwater.
Ischnochiton is a genus of polyplacophoran mollusc.
Pupinidae is a taxonomic family of land snails with an operculum, terrestrial gastropod mollusks in the superfamily Cyclophoroidea.
Cleopatra is a genus of freshwater snails with an operculum, aquatic gastropod molluscs in the family Paludomidae within the subfamily Cleopatrinae.
Rhachistia is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Cerastidae.
Pseudocleopatra broecki is a species of freshwater snail with an operculum, an aquatic gastropod mollusc in the family Paludomidae.
Potadoma is a genus of gastropods belonging to the family Pachychilidae.
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