Semicassis pyrum
| Semicassis pyrum | |
|---|---|
.JPG) |
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| A shell of Semicassis pyrum, lateral view | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha |
| Superfamily: | Tonnoidea |
| Family: | Cassidae |
| Subfamily: | Phaliinae |
| Genus: | Semicassis |
| Species: | S. pyrum |
| Binomial name | |
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Semicassis pyrum (Lamarck,1822) |
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Semicassis pyrum, common name the "pear bonnet" or "common helmet", is a species of large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet shells, bonnet shells and their allies.
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