- ctenodont shell
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(MOLLUSCA: Bivalvia)In some groups of early origin having hinges with many teeth transverse to the margin; see cryptodont shell.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
ctenodont shell
Look at other dictionaries:
pseudoctenodont shell — (MOLLUSCA: Bivalvia) A shell with many short teeth transverse to the hinge margin that are in groups related to others with some teeth longitudinally directed; see ctenodont shell … Dictionary of invertebrate zoology
cryptodont shell — (MOLLUSCA: Bivalvia) In some groups of early origin, refers to lack of hinge teeth; see ctenodont shell … Dictionary of invertebrate zoology
Cephalopod — Cephalopods Temporal range: Devonian – Recent[1] (Stem groups from Cambrian)[2] … Wikipedia
