ctenodont shell
(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. . 2005.

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

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