Semicassis pyrum
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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A shell of Semicassis pyrum, ventral view showing the parietal callus
| Semicassis pyrum | |
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| A shell of Semicassis pyrum, lateral view | |
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| Subfamily: | Phaliinae |
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| Species: | S. pyrum |
| Binomial name | |
| Semicassis pyrum (Lamarck,1822) | |
References
- Powell A. W. B., William Collins Publishers Ltd, Auckland 1979 ISBN 0-00-216906-1
- "Semicassis pyrum". Gastropods.com. Retrieved 16 January 2019.
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