Key:  Family Chamidae

Phylum Mollusca
 Class Bivalvia
   Subclass Heterodonta
    Order Veneroida

Taken primarily from  Kozloff, 1987, 1996  (Copyright 1987, 1996, University of Washington Press.  Used in this web page by permission of University of Washington Press)
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1a  Shell attached to the substratum by its right valve; shell white, sometimes with red or green markings; concentric lamellae often raised up into spinelike projections (not likely to be found north of Oregon) Pseudochama exogyra
1b Shell attached by its left valve; exterior waxy-translucent, sometimes with pink or red streaks; concentric lamellae close-set, generally foliaceous Chama (Chama) arcana

Taxonomic Levels Represented in This Key:
Chama (Chama) arcana
Pseudochama exogyra

Page created by Dave Cowles, 2005
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