Home > Invertebrates > Shells > Triphoridae > Viriola incisa

Updated 4/19/2026

Family Triphoridae

INDO-WEST PACIFIC / HAWAII

Viriola incisa

North Shore, Oahu, 3 feet, 4 mm

 

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 0.4 inch, 10 mm.  The smaller Viriolopsis fallax has axial threads in the interspaces.  East Africa to Hawaii and the Tuamotus.