Cephalopoda - Ellesmerocerida - Ellesmeroceratidae
Parent taxon: Ellesmeroceratidae according to D.H. Evans 2011
See also Crick 1981, Sepkoski 2002, Teichert et al. 1964 and Ulrich et al. 1944
Sister taxa: Albertoceras, Anhuiceras, Annoceras, Barnesoceras, Bassleroceras, Boreoceras, Botellusoceras, Bridgeoceras, Buehleroceras, Burenoceras, Caseoceras, Chabactoceras, Chepuloceras, Clarkoceras, Clelandoceras, Conocerina, Copiceras, Cumberloceras, Dakeoceras, Diaphoroceras, Dongshanoceras, 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: Dyscritoceras dictys Dyscritoceras jeffersonensis Dyscritoceras metellus Dyscritoceras oxfordense
Type: Cyrtoceras metellus
Ecology: nektobenthic carnivore
Distribution:
• Ordovician of Canada (2: Ontario, Quebec collections), the United Kingdom (3), United States (1: Missouri)
Total: 6 collections including 7 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.