Haminoea sp. 3.
Tropical west Pacific?
UPPER: 9mm long; Northern Marianas, Tinian, Kammer Beach, reef flat; 26 May 1981.
LOWER: Shell (4.7 x 3.2mm) of above animal. PHOTOS: Clay Carlson.
Summary of characters:
Gizzard plates with ridges e.g. typical haminoeid forms -- H. cymbalum being atypical in this sense. Radula 7.1.7 with 3 large plate-like denticles on inner edge of 1st lateral (light scope); these do not show up with the SEM. Specimens from Guam, Rota, Tinian & Saipan.
Note from Clay Carlson & Patty Jo Hoff.
See their message below.
Rudman, W.B., 1999 (July 1) Haminoea sp. 3. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/hamisp3