Family Pectinidae & Propeamussidae
Delectopecten vancouverensis (Whiteaves, 1893)
subtidal, 27 - 4100m size to 45mm
northern Mexico to southern Alaska and northern Japan to Kamchatka
The shell is colorless and translucent with imbricated sculpturing. Smooth specimens are sometimes referred to as D. tillamookensis.
(synonym - Pecten randolphi)
Patinopecten caurinus (Gould, 1850)
Weathervane Scallop or Giant Pacific Scallop
subtidal, 10-300m central California to northern Alaska size to 30cm
shell is thin for its size. It starts out pink to red and becomes
more tan with age. The shell can become as large as a dinner
This page last revised: 11-23-2013
Parvamussium alaskense (Dall, 1871)
subtidal, 15-1530m size to 25mm
southern California to northern Alaska; Bering Sea to northern Japan
fragile shell has closely spaced commarginal ribs. The right valve is
smaller than the left. (Photo shows right valve only.)
(previous name - Pecten alaskensis)
Click on photo to enlarge. Scale line in photo equals 1cm unless otherwise specified.
* Species which are commonly encountered on the beach.