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Family Triphoridae

HAWAII

Cautor similis

Malaekahana, Oahu

 

SIMILAR TRIPHORID

Common under rocks in shallow water.  Yellow-brown with upper & lower spirals on last whorl dark brown, occasionally all brown, anterior siphonal canal completely closed, short & straight.  Mastonia cingulifera has one large and three small red-brown spirals on last whorl and recurved siphonal canal.  Attains 5mm.  Hawaii & the Western Pacific.