Biology:Cliftonoceras

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Short description: Extinct genus of molluscs

Cliftonoceras
Temporal range: Llandovery
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Nautiloidea
Order: Tarphycerida
Family: Uranoceratidae
Genus: Cliftonoceras
Flower, 1957
Species

See text

Cliftonoceras is a genus of barrandeoceroid type tarphycerids from the Uranoceratidae characterized by a smooth gyroconic shell with a rounded dorsum and flattened venter, and by a subvental siphuncle composed of thin connecting rings and necks that are straight ventrally, recumbent dorsally.

Cliftonoceras has been found in Middle Silurian age sediments in Tennessee and Indiana . The type species is C. quadratum.

References

Wikidata ☰ Q5133353 entry