Phylum: Mollusca
Class: Bivalvia
Order: Nuculoida
Family: Ctenodontidae Wöhrmann, 1893
Cincinnatian Genera: Ctenodonta

Geologic Range
Ordovician – Carboniferous

Common Paleoecology
Ctenodontidae is an extinct family of facultatively mobile shallow infaunal deposit and suspension feeders

Description of the Family

  • Shell equilateral
  • Pallial sinus lacking
  • Resilifer absent
  • Cylindrical external ligament posterior to umbones
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Treatise on Invertebrate Paleontology, Part N, Mollusca 6 (1 of 3) (1969):

  • (Characters of Superfamily) Shell equilateral, pallial sinus lacking, resilifer absent, cylindrical external ligament posterior to umbones.

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