Cephalopoda - Ellesmerocerida - Ellesmeroceratidae
Parent taxon: Ellesmeroceratidae according to R. E. Crick 1981
See also Flower 1964, Sepkoski 2002 and Teichert et al. 1964
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, Oneotoceras, Pachendoceras, Paradakeoceras, Purmanarcoceras, Quebecoceras, Shantungendoceras, Sinolebetoceras, Smithvilloceras, Stemtonoceras, Tanycameroceras, Ventroloboceras, Walcottoceras, Wolungoceras valcourense, Woosteroceras
Subtaxa: Robsonoceras manitouense Robsonoceras robsonense
Type: Ellesmeroceras robsonensis
Ecology: nektobenthic carnivore
Distribution:
• Arenig of Argentina (1 collection)
• Ordovician of Canada (2: Alberta, British Columbia), South Korea (1), United States (2: Colorado, Virginia)
• Tremadoc of Argentina (1)
• Skullrockian of Canada (1: Alberta)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.