Protocycloceras lamarcki Billings 1856

Cephalopoda - Orthoceratoidea - Protocycloceratidae

Alternative combination: Orthoceras lamarcki

Synonyms: Protocycloceras whitfieldi Ruedemann 1906, Rhabdocycloceras floweri Zhuravleva 1994

Belongs to Protocycloceras according to D.H. Evans 2011

See also Kröger and Landing 2009

Sister taxa: Protocycloceras abnorme, Protocycloceras affine, Protocycloceras arkansasense, Protocycloceras becki, Protocycloceras catulus, Protocycloceras doniphonense, Protocycloceras furtivum, Protocycloceras gangshanense, Protocycloceras geronticum, Protocycloceras levisense, Protocycloceras manitouense, Protocycloceras mendax, Protocycloceras odenvillense, Protocycloceras ordinatum, Protocycloceras philipsburgense, Protocycloceras rushense, Protocycloceras smithvillense, Protocycloceras xerxes


• Ordovician of Canada (3: Newfoundland, Newfoundland and Labrador collections), the Russian Federation (1)

• Cassinian of Canada (3: Newfoundland and Labrador), United States (7: New York, Vermont)

Total: 14 collections including 15 occurrences

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Specimen images are retrieved through the ePANDDA API.

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