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Family Cassididae

Helmets

Helmets live in sand and feed upon sea urchins.

 

HAWAII

Casmaria erinaceus kalosmodix

POLYNESIAN HELMET

 

Casmaria ponderosa

PONDEROUS HELMET

 
 

Cassis cornuta

HORNED HELMET

 

Semicassis umbilicata 

GROOVED HELMET


INDO-PACIFIC

Casmaria erinaceus

COMMON BONNET