Cephalopoda - Ellesmerocerida - Ellesmeroceratidae
Parent taxon: Ellesmeroceratidae according to R. E. Crick 1981
See also Sepkoski 2002, Teichert et al. 1964 and Ulrich et al. 1943
Sister taxa: Albertoceras, Anhuiceras, Annoceras, Barnesoceras, Bassleroceras, Boreoceras, Botellusoceras, Bridgeoceras, Buehleroceras, Burenoceras, Caseoceras, Chabactoceras, Chepuloceras, Clarkoceras, Clelandoceras, Conocerina, Copiceras, Cumberloceras, Dakeoceras, Diaphoroceras, Dongshanoceras, Dyscritoceras, Ectenoceras, Ectenolites, Ellesmeroceras, Eoclarkoceras, Eoectenolites, Eorudolfoceras, Eremoceras, Hemichoanella, Keraiaceras, Lebetoceras, Levisoceras, Llanoceras, Loxochoanella, Meikeloceras, Muriceras, Oelandoceras, Oneoceratidae, Pachendoceras, Paradakeoceras, Purmanarcoceras, Quebecoceras, Robsonoceras, Shantungendoceras, Sinolebetoceras, Smithvilloceras, Stemtonoceras, Tanycameroceras, Ventroloboceras, Walcottoceras, Wolungoceras valcourense, Woosteroceras
Subtaxa: Oneotoceras curvatum Oneotoceras divaricatum Oneotoceras extremum Oneotoceras husseyi Oneotoceras impressum Oneotoceras loculosum Oneotoceras madisonense Oneotoceras magnum Oneotoceras percurvatum Oneotoceras wisconsinense
Type: Cyrtoceras loculosum
Ecology: nektobenthic carnivore
Distribution:
• Ordovician of Svalbard and Jan Mayen (1 collection), United States (10: Maryland, Michigan, Minnesota, Missouri, Texas, Wisconsin)
• Tremadoc of United States (1: Missouri)
• Skullrockian of United States (2: Alabama, Tennessee)
Total: 14 collections including 20 occurrences
Specimen images are retrieved through the ePANDDA API.
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