Home > Invertebrates > Bivalves > Isognomon incisus

Updated 8/20/2025

Family Isognomonidae

HAWAII - ENDEMIC

Isognomon incisus   



Kahalu'u tidepool, Hawaii


Ala Wai harbor, Oahu, 1 foot

Kuki'o, Hawaii
   
   

INCISED PURSE SHELL

Small groups are common within submerged crevices of protected bays and harbors.  Dark gray or purplish-brown with dark margin and heavy coralline deposits, interior gray with purplish margin.  Attains 3 inches.  Endemic to Hawaii.