trispinosa (de Blainville, 1821)
|Maximum size: 9 mm shell
length (Kay, 1979).
This species has transparent shells edged in amber. They are broadly
diamond-shaped and are usually decapitate, with the broken apex closed
by a septum.
Fragments of Diacria trispinosa shells are
common in sand samples.
Maui, French Frigate Shoals and Midway: circumglobal.
CP: composite photo, same shell; 7.5 mm: from dredged sand
expedition; French Frigate Shoals; Oct. 17, 2006.
Observations and comments:
1: ( )