Cephalopoda - Ellesmerocerida - Ellesmeroceratidae
Full reference: E. O. Ulrich, A. F. Foerste, and A.K. Miller. 1943. Ozarkian and Canadian cephalopods. Part II, Brevicones. Geological Society of America Special Papers 49:1-240
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, 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, Oneotoceras, Pachendoceras, Paradakeoceras, Purmanarcoceras, Quebecoceras, Robsonoceras, Shantungendoceras, Sinolebetoceras, Smithvilloceras, Stemtonoceras, Tanycameroceras, Ventroloboceras, Walcottoceras, Wolungoceras valcourense, Woosteroceras
Subtaxa: Caseoceras conicum Caseoceras contractum Caseoceras holtedahli Caseoceras intermedium Caseoceras nitidum Caseoceras obesum Caseoceras sequatchiense Caseoceras subconicum
Type: Caseoceras contractum
Ecology: nektobenthic carnivore
Distribution:
• Ordovician of Canada (1: Nunavut collection), United States (4: Michigan, Missouri, Tennessee)
• Skullrockian of United States (1: New York)
Total: 6 collections including 9 occurrences
Specimen images are retrieved through the ePANDDA API.
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