Semicassis pyrum

Semicassis pyrum
A shell of Semicassis pyrum, lateral view
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Cassidae
Genus: Semicassis
Species:
S. pyrum
Binomial name
Semicassis pyrum
(Lamarck,1822)

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.

A shell of Semicassis pyrum, ventral view showing the parietal callus

References

  • Powell A. W. B., William Collins Publishers Ltd, Auckland 1979 ISBN 0-00-216906-1
  • "Semicassis pyrum". Gastropods.com. Retrieved 16 January 2019.

Media related to Semicassis pyrum at Wikimedia Commons


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