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Family Haminoeidae

INDO-PACIFIC / HAWAII

Smaragdinella calyculata

Makapu'u intertidal, Oahu

 

Portlock, Oahu

CALYX BUBBLE

Common on shaded rocks in the splash zone.  A cap-like shell is partially enveloped by the mantle.  The animal attains 1 inch, 25 mm.  Red Sea to Japan, Hawaii, and Rapa Nui.