Home > Invertebrates > Shells > Limpets > Pilosabia trigona

Family Hipponicidae

HAWAII

Pilosabia trigona

Makai Pier, Oahu

 

Sharks Cove, Oahu, 30 feet

 

Cromwells, Oahu, 2 feet

BEARDED HOOF SHELL

Common in groups on encrusting coralline algae in shallow water.  Oval with fine radiating ribs equal to the interspaces, and nodulose spiral threads, hairy periostracum growing from interspaces.  Attains nearly 1 inch.  Hawaii, Indo-Pacific & Tropical Eastern Pacific.  Formerly known as Hipponix or Pilosabia pilosus.