Heavy bonnet

Casmaria ponderosa

''Casmaria ponderosa'', common name the heavy bonnet, is a species of large sea snail, a marine gastropod mollusk in the family Cassidae, the helmet snails and bonnet snails.
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Appearance

The size of an adult shell varies between 30 mm and 100 mm.

Distribution

This species occurs in the Red Sea, in the Indian Ocean along the Mascarene Basin, and in the Pacific Ocean off Hawaii.

References:

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Taxonomy
KingdomAnimalia
DivisionMollusca
ClassGastropoda
OrderLittorinimorpha
FamilyCassidae
GenusCasmaria
SpeciesC. ponderosa
Photographed in
Philippines