MOLLUSCA: Diversity II
Subclass | Shell hinge teeth | Ctenidia | Adductor muscles |
---|---|---|---|
Paleotaxodonta | 'taxodont' | protobranch | isomyarian |
Pteriomorphia | none | filibranch | anisomyarian |
Heterodonta | 'heterodont' | eulamellibranch | isomyarian |
Anomalodesmata | 1 or none | eulamellibranch & septibranch | isomyarian |
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Copyright © 1999 by A. Richard Palmer. All rights reserved.
(revised Jan. 14, 1999)