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Family Haminoeidae

HAWAII

Smaragdinella calyculata

Makapu'u intertidal, Oahu

 

Portlock, Oahu

CALYX BUBBLE

Common on rock in the splash zone.  Cap-like shell partially enveloped by mantle.  Animal attains 1 inch.  Hawaii & the Indo-Pacific.  Recently assigned to the Family Haminoeidae.