Home > Invertebrates > Mollusks > Gastropods > Helmets > Semicassis inornata

Created 9/14/2025

Family Cassidae

WEST PACIFIC / HAWAII

Semicassis inornata



@ Padgett Carpenter

DEBI'S HELMET

Rare in sand deeper than 130 feet.  Attains 2.8 inches, 70 mm.  Hong Kong to Japan and Hawaii.