Cephalopoda - Dissidocerida - Geisonoceratidae
Parent taxon: Geisonoceratidae according to B. Kröger 2013
See also Chen et al. 1981, Crick 1981, Miagkova 1967, Sepkoski 2002, Strand 1934 and Teichert et al. 1964
Sister taxa: Angeisonoceras, Columenoceras, Geisonocerina, Harrisoceras, Joachimoceras, Jonesoceras, Nilssonoceras, Ordogeisonoceras, Protokionoceras, Striacoceras, Temperoceras, Ugooloceras, Virgoceras
Subtaxa: Geisonoceras heintzi Geisonoceras kureikense Geisonoceras maclareni Geisonoceras shumardi Geisonoceras wegelini
Ecology: fast-moving nektonic carnivore
Distribution:
• Devonian of Germany (1 collection)
• Silurian of Canada (1: Northwest Territories), China (3), the Czech Republic (3), Italy (5), the Russian Federation (8), Tajikistan (2), the United Kingdom (2)
• Chazyan of United States (1: New York)
• Ordovician of Canada (9: Ontario, Quebec), Estonia (1), North Korea (1), Norway (1), the Russian Federation (1), Sweden (9), United States (26: Illinois, Iowa, Wisconsin, Minnesota, New York)
Total: 74 collections including 84 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.