Home > Invertebrates > Shells > Helmets > Casmaria ponderosa

updated 9/9/2012

Family Cassididae

HAWAII

Casmaria ponderosa

Kahe Point, Oahu, 35 feet

 

PONDEROUS HELMET

Rarely found alive at scuba depths but common empty or inhabited by hermit crab.  Outer lip & columella very thick, 1 or 2 rows of denticles present along entire length of outer lip.  Attains 2 inches.  Hawaii & the Indo-Pacific.