Home > Invertebrates > Bivalves > Isognomon californicum

Family Isognomonidae

HAWAII

Isognomon californicum   

Kapoho Point, Kailua, Oahu

 

Makai Pier, Waimanalo, Oahu

Diamond Head, Oahu

BLACK PURSE SHELL

Common in rocky crevices in the splash zone.  Attains 1.5 inch.  Endemic to Hawaii.  Contrary to the species name it does not occur in California.