Ormoceras Stokes 1840 (mollusk)

Cephalopoda - Actinocerida - Ormoceratidae

Synonym: Aluveroceras

Parent taxon: Ormoceratidae according to J. J., Jr. Sepkoski 2002

See also Crick 1981, Flower 1957, Frey 1995, Sweet 1958 and Teichert et al. 1964

Sister taxa: Adamsoceras, Deiroceras, Metarmenoceras, Mstikhinoceras, Orthonybyoceras, Parormoceras, Troedssonoceras

Subtaxa: Ormoceras bayfieldi Ormoceras centrale Ormoceras champlainense Ormoceras dartoni Ormoceras ferecentricum Ormoceras heckeri Ormoceras kiaeri Ormoceras neumani Ormoceras schohariae

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Type: Orthoceras bayfieldi

Ecology: nektobenthic carnivore

Distribution:

• Devonian of Germany (1 collection), Morocco (1), the Russian Federation (1), Ukraine (1), United States (3: New York)

• Silurian of Canada (2: Northwest Territories), the Russian Federation (1)

• Ordovician of Canada (12: Manitoba, Northwest Territories, Nunavut, Ontario, Quebec), China (13), Estonia (2), Malaysia (3), Norway (1), the Russian Federation (1), South Korea (3), United States (15: Colorado, Illinois, Iowa, Wisconsin, Indiana, Ohio, Kentucky, Maryland, Minnesota, New York, Texas)

• Llandeilo of China (2)

• Arenig of China (7)

• Dawan of Mongolia (1)

Total: 70 collections including 74 occurrences

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Specimen images are retrieved through the ePANDDA API.


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