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About: Arctoceras     Goto   Sponge   Distinct   Permalink

An Entity of Type : umbel-rc:Mollusk, within Data Space : dbpedia.org associated with source document(s)

Type: ThingEukaryoteAnimalMolluscaanimaleukaryotemolluscaspeciesumbel-rc:Mollusk New Facet based on Instances of this Class

Arctoceras is a genus of ceratitid ammonoids from the Lower Triassic with a moderately narrow discoidal shell and ceratitic suture. The shell of Arctoceras is generally involute with compressed whorls that are much higher than wide, flattened sides, narrowly rounded ventral rim, and sutures with wide low saddles and simple serrated lobes. Arctoceras has been reported from Canada, the United States, Russia, Australia, Afghanistan, and Malaysia.