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Home > Northwest Shells & Marine Life > PNW Shells & Marine Life Photos > Bivalves >  Bivalves - Pandoridae, Lyonsiidae,
                                                                                                                                                             Thraciidae & Cuspidariidae



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Click on photo to enlarge.  Scale line in photo equals 1cm unless otherwise specified.
* Species which are commonly encountered on the beach.



Pandoridae
Pandora filosa
Pandora filosa Carpenter, 1864
Western Pandora
















Pandora wardiana Pandora wardiana
Pandora wardiana A.Adams, 1860
Giant Pandora


Lyonsiidae
Entodesma navicula Entodesma navicula Entodesma navicula
                                                                                                         photographed intertidally                          photographed subtidally
Entodesma navicula (A.Adams & Reeve, 1850)
Northwest Ugly Clam *

















Mytilimeria nuttallii
Mytilimeria nuttallii Conrad, 1837
Bladderclam
















Thraciidae
Thracia trapezoides
Thracia trapezoides Conrad, 1849
Trapezoidal Thraciid
















Cardiomya planetica
Cardiomya planetica (Dall, 1908)
Fine-Ribbed Cardiomya













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Cuspidariidae
Cardiomya pectinata
Cardiomya pectinata (Carpenter, 1864)
Ribbed Dipper























Bivalves 

Family Pandoridae, Lyonsiidae,

Thraciidae & Cuspidariidae


This page last revised: 3-11-2012