Isorthoceras Flower 1962 (mollusk)

Cephalopoda - Orthocerida - Proteoceratidae

Full reference: R. H. Flower. 1962. Part 1, Revision of Buttsoceras, Part 2, Notes on the Michelinoceratida. State Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, Memoir 10:1-58

Parent taxon: Proteoceratidae according to B. Kröger and M. Aubrechtová 2019

See also Frey 1995, Kröger 2013, Kröger and Aubrechtova 2017, Niko 2007, Sepkoski 2002 and Teichert et al. 1964

Sister taxa: Archigeisonoceras, Baykonuroceras, Clothoceras, Cyrtactinoceras, Ephippiorthoceras, Euorthoceras, Gangshanoceras, Gorbyoceras, Liulinoceras, Mesnaquaceras, Metephippiorthoceras, Monomuchites, Paraproteoceras, Proteoceras, Pseudeskimoceras, Pseudoliolinoceras, Stereospyroceras, Tofangoceras, Transorthoceras, Treptoceras, Ulmioceras

Subtaxa: Isorthoceras albersi Isorthoceras angelini Isorthoceras cavi Isorthoceras curvilineatum Isorthoceras dalecarlense Isorthoceras elongatocinctum Isorthoceras heintzi Isorthoceras heroyense Isorthoceras hudsonicum Isorthoceras junceum Isorthoceras maris Isorthoceras nikwis Isorthoceras padisense Isorthoceras rogersensis Isorthoceras sociale Isorthoceras strigatum Isorthoceras suave Isorthoceras subcostatum Isorthoceras sylphide Isorthoceras urdr Isorthoceras vexilli Isorthoceras wahlenbergi

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Type: Orthoceras sociale

Ecology: nektonic carnivore


• Silurian of the United Kingdom (1 collection)

• Ordovician of Estonia (5), Ireland (3), Norway (2), Sweden (9), the United Kingdom (1), United States (38: Illinois, Iowa, Wisconsin, Iowa, Kentucky, Michigan, Minnesota, Missouri, Ohio)

Total: 59 collections including 82 occurrences

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Specimen images are retrieved through the ePANDDA API.

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