Planorbarius corneus
Planorbarius corneus, common name the great ramshorn, is a relatively large species of air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails, or planorbids, which all have sinistral or left-coiling shells.
| Planorbarius corneus | |
|---|---|
| A live individual of Planorbarius corneus, carrying the shell with the umbilicus uppermost | |
| A shell of Planorbarius corneus | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Heterobranchia |
| Superorder: | Hygrophila |
| Family: | Planorbidae |
| Genus: | Planorbarius |
| Species: | P. corneus |
| Binomial name | |
| Planorbarius corneus (Linnaeus, 1758) | |
| Subspecies | |
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| Synonyms | |
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The shell of this species appears to be dextral in coiling, even though it is in fact sinistral or left-handed.
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