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Home > Invertebrates
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> Helmets > Casmaria ponderosa
Updated 6/12/2021
Family Cassididae
INDO-WEST PACIFIC / HAWAII
Casmaria ponderosa
PONDEROUS HELMET
Rarely found alive on sand at scuba depth but common empty or inhabited by hermit
crab. Shoulder with prominent angular nodules, outer lip & columella very thick, 1 or 2 rows of
denticles present along entire length of outer lip, aperture pale. Attains 2 inches.
East Africa to Hawaii and French Polynesia. |
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