Cephalopoda - Ellesmerocerida - Ellesmeroceratidae
Parent taxon: Ellesmeroceratidae according to R. E. Crick 1981
See also Sepkoski 2002, Ulrich et al. 1943 and Unklesbay and Young 1956
Sister taxa: Albertoceras, Anhuiceras, Annoceras, Barnesoceras, Bassleroceras, Boreoceras, Botellusoceras, Bridgeoceras, Buehleroceras, Burenoceras, Caseoceras, Chabactoceras, Chepuloceras, Clarkoceras, Clelandoceras, Conocerina, Copiceras, Cumberloceras, Dakeoceras, Diaphoroceras, Dongshanoceras, Dyscritoceras, 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: Ectenoceras arbucklense Ectenoceras arcuosutum Ectenoceras chepultepecense Ectenoceras compressum Ectenoceras curvatum Ectenoceras ellipticum Ectenoceras exile Ectenoceras gracile Ectenoceras higdonense Ectenoceras laqueatum Ectenoceras longum Ectenoceras millsi Ectenoceras obliquum Ectenoceras pergracile Ectenoceras perobliquum Ectenoceras ruedemanni Ectenoceras subcurvatum Ectenoceras subcurvatum Ectenoceras subgracile
Type: Ectenoceras ruedemanni
Ecology: nektobenthic carnivore
Distribution:
• Ordovician of United States (18: Maryland, Missouri, New York, Oklahoma, Tennessee, Texas, Virginia, Wisconsin collections)
• Cressagian of South Korea (1)
• Skullrockian of United States (2: Alabama, Tennessee)
Total: 21 collections including 28 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.