Home > Invertebrates > Shells > Triphoridae > Mastoniaeformis hinuhinu

Updated 8/26/2025

Family Triphoridae

CENTRAL PACIFIC / HAWAII

Mastoniaeformis hinuhinu

Mokapu, Oahu, 50 feet

 

GLOSSY TRIPHORID

Uncommon under rocks at scuba depth.  Slightly inflated, glossy light brown, posterior canal a closed tube flexed backward, anterior canal tubular, long & recurved.  Attains 7mm.  Hawaii and the Marshall Islands.  Formerly known as Iniforis hinuhinu.