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Family Triphoridae

HAWAII

Euthymella incisa

North Shore, Oahu

GROOVED TRIPHORID

Common under dead coral at any depth.  Conic-elongate, three equal spiral keels with smooth interspaces, brown marbled with lighter & darker brown.  Attains 8mm.  The smaller Viriolopsis fallax has axial threads in the interspaces.  Hawaii, Eastern Indian Ocean, Western Pacific.  Formerly known as Viriola incisa.