Orthoceratidae
Classification
Phylum: Mollusca
Class: Cephalopoda
Order: Orthocerida
Family: Orthoceratidae M’Coy, 1844
Cincinnatian Genera: Pleurorthoceras, Richmondoceras
Geologic Range
Lower Ordovician – Upper Triassic
Common Paleoecology
Orthoceratidae is an extinct family of nektonic carnivores
Description of the Family
- Smooth or elaborately ornamented
- Subcircular in cross section
- Central or subcentral siphuncle
- Siphuncle free of endosiphuncular deposits
[accordions title=”” disabled=”false” active=”1″ autoheight=”false” collapsible=”true”] [accordion title=”Published Descriptions”]
Treatise on Invertebrate Paleontology, Part K (1964):
Treatise on Invertebrate Paleontology, Part K (1964):
- Smooth or elaborately ornamented, generally subcircular in cross section and with central or subcentral siphuncle that is typically free of endosiphuncular deposits.
[/accordion] [/accordions]
Pleurorthoceras
Richmondoceras
