Home › Atlas › Mollusca › Bivalvia › Pterioida › Pterineidae › Caritodens

Caritodens

Classification
Phylum: Mollusca
Class: Bivalvia
Order: Pterioida
Family: Pterineidae
Genus: Caritodens Goldfuss, 1826
Cincinnatian Species: Caritodens demissa

[accordions title=”” disabled=”false” active=”1″ autoheight=”false” collapsible=”true”] [accordion title=”Taxonomic Details”]
Synonyms: Pterinea
[/accordion] [/accordions]

Geologic Range
Upper Ordovician – Lower Devonian

Common Paleoecology
Caritodens is an extinct genus of stationary epifaunal suspension feeders

Identification in Hand Sample:

  • Upright, suborbicular shells
  • Distinguished by auricles, well-defined posterior wing
  • Comarginal ridges strongly developed
  • Lacks radial ornamentation

Geographic Occurrences

[accordions title=”” disabled=”false” active=”1″ autoheight=”false” collapsible=”true”] [accordion title=”Published Description”]
Fossils of Ohio (1996):

  • Ornamentation comarginal only.
  • The Upper Ordovician genus Caritodens is represented in Cincinnatian rocks by C. demissa (Conrad), a large species distinguished by auricles (large winglike extensions of the hinge), strongly developed comarginal ridges, and the lack of any radial ornamentation.

Treatise on Invertebrate Paleontology, Part N, Mollusca 6 (1 of 3) (1969):

  • (Under Pterinea) Upright, suborbicular shells without radial ornamentation and possessing a well-developed rounded auricle and well-defined posterior wing

[/accordion] [/accordions]

C. demissa