Home > Invertebrates > Shells > Triphoridae > Mastonia cingulifera

Updated 8/26/2025

Family Triphoridae

WEST PACIFIC / HAWAII

Mastonia cingulifera

Mokapu, Oahu, 4 feet

 

BELTED TRIPHORID

Common under rocks at any depth.  Yellow-brown with uppermost and bottom three small spirals on last whorl red-brown, anterior siphonal canal not completely closed, strongly recurved.  Attains 5mm.  New Guinea to Korea, Fiji and Hawaii.