Cephalopoda - Ellesmerocerida - Ellesmeroceratidae
Parent taxon: Ellesmeroceratidae according to D.H. Evans 2011
See also Crick 1981, Flower 1964, Kröger and Landing 2007, 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, 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: Dakeoceras champlainense Dakeoceras corniculum Dakeoceras dilatatum Dakeoceras divergens Dakeoceras gracilis Dakeoceras harrisi Dakeoceras magnisiphonatum Dakeoceras mutabile Dakeoceras normale Dakeoceras perretrorsum Dakeoceras retrorsum Dakeoceras reversum Dakeoceras subcurvatum Dakeoceras undulatum
Type: Dakeoceras normale
Ecology: nektobenthic carnivore
Distribution:
• Arenig of China (2 collections)
• Canadian of United States (1: Maryland)
• Ordovician of United States (14: Missouri, New Mexico, Texas, Virginia)
• Tremadoc of China (2), United States (1: Virginia)
• Skullrockian of the United Kingdom (1), United States (4: New York)
Total: 25 collections including 35 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.