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Phylum
Mollusca
Class
Gastropoda
Family Cassididae
Helmets
| Helmets live in sand and feed upon sea urchins. |
HAWAII
Casmaria erinaceus
kalosmodix
VIBEX HELMET
| Rare in sand in deep water, usually collected dead inhabited by hermit
crab. About 2.5 inches. |
Casmaria ponderosa
PONDEROUS HELMET
| Rarely found alive but commonly inhabited by hermit crabs at scuba
depths. About 1.5 inches. Hawaii & the Indo-Pacific. |
Cassis cornuta
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38mm, Corsair, Oahu, 105 feet |
Kewalo, Oahu, 90 feet
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Kewalo, Oahu, 90 feet
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Pokai Bay, Oahu, 15 feet
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Kevin at Kewalo, Oahu
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Mo at Kewalo Pipe, Oahu
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Feeding on Urchin, Maui
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Honokohau, Hawaii, 50 feet |
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HORNED HELMET
| Locally common on sand at scuba depths. Males have longer
spines. To at least 12 inches. Hawaii & the
Indo-Pacific. |
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