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A live Melanopsis praemorsa | |
Five views of a shell of Melanopsis buccinoidea | |
Scientific classification | |
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Genus: | Melanopsis |
Synonyms [2] | |
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Melanopsis is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Melanopsidae. [2]
The genus first appeared in the Cretaceous. [3]
Melanopsis is the type genus of the family Melanopsidae. [4]
These snails are found in southern Europe, North Africa, Asia Minor, New Caledonia and New Zealand. [5]
Their shells are ovate, with a short spire, and a large elongated body whorl. The outer lip of the aperture is thin, but the inner lip has a smooth parietal callus, thickened into a pad over the parietal wall. [5]
This section's factual accuracy is disputed .(July 2012) |
Species within the genus Melanopsis include:
(Extinct taxa indicated by a dagger, †.)
Bulinus is a genus of small tropical freshwater snails, aquatic gastropod mollusks in the family Bulinidae, the ramshorn snails and their allies.
Ancylus is a genus of very small, freshwater, air-breathing limpets. They are aquatic pulmonate gastropod mollusks in the tribe Ancylini within the family Planorbidae, the ram's horn snails and their allies.
Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum; they are in the order Littorinimorpha.
Planorbis is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells.
Bithynia is a genus of small freshwater snails with an operculum, aquatic prosobranch gastropod mollusks in the family Bithyniidae.
Viviparus, commonly known as the river snails, is a genus of large, freshwater snails with an operculum, aquatic gastropod mollusks.
Gyraulus is a genus of small, mostly air-breathing, freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails.
Radix is a genus of air-breathing freshwater snails, aquatic pulmonate gastropods in the family Lymnaeidae, the pond snails.
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.
Hydrobia is a genus of very small brackish water snails with a gill and an operculum, aquatic gastropod mollusks in the family Hydrobiidae.
Neritina, is a genus of small aquatic snails with an operculum in the family Neritidae, the nerites. They are as well marine, as brackish water, and sometimes freshwater gastropod mollusks
Pseudamnicola is a genus of small brackish water snails with an operculum, aquatic gastropod mollusks in the subfamily Pseudamnicolinae of the family Hydrobiidae.
Theodoxus is a genus of nerites, small water snails with an operculum, some of which live in freshwater, and some in both freshwater and brackish water, aquatic gastropod mollusks in the family Neritidae, the nerites.
Valvata is a genus of very small freshwater snails with an operculum, aquatic gastropod mollusks in the family Valvatidae, the valve snails.
Melanopsidae, common name melanopsids, is a family of freshwater gastropods in the clade Sorbeoconcha. Species in this family are native to southern and eastern Europe, northern Africa, parts of the Middle East, New Zealand, and freshwater streams of some large South Pacific islands.
Pyrgula is a genus of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.
Lithoglyphus is a genus of freshwater snails with gills and an operculum, a gastropod mollusk in the family Lithoglyphidae.
Melanopsis magnifica is a species of freshwater gastropod endemic to oases and wadis in Morocco.
Potomida is a genus of bivalves belonging to the subfamily Gonideinae of the family Unionidae.