Cephalopoda - Ammonitida - Nostoceratidae
Alternative combinations: Ancyloceras nebrascensis, Cirroceras nebraskense, Helicoceras nebrascense, Heteroceras nebrascense, Nostoceras (Didymoceras) nebrascense, Turrilites nebrascensis
Synonyms: Emperoceras beecheri Hyatt 1894, Emperoceras simplicostatum Whitfield 1902, Heteroceras simplicostatum Whitfield 1902
Belongs to Didymoceras according to W. J. Kennedy et al. 2000
See also Kennedy and Bilotte 1995
Sister taxa: Didymoceras angulatum, Didymoceras aurarium, Didymoceras awajiense, Didymoceras binodosum, Didymoceras californicum, Didymoceras cheyenense, Didymoceras cheyennense, Didymoceras cochleatus, Didymoceras donezianum, Didymoceras draconis, Didymoceras hidakense, Didymoceras hornbyense, Didymoceras newtoni, Didymoceras nicolletii, Didymoceras platycostatum, Didymoceras stevensoni, Didymoceras subtuberculatum, Didymoceras tenuicostatus, Didymoceras tortus, Didymoceras tricostatus, Didymoceras umbilicatus, Didymoceras uncus, Didymoceras vancouverensis, Didymoceras vespertinus, Didymoceras whiteavesi, Nostoceras (Didymoceras) attenuatum, Nostoceras (Didymoceras) densecostatum, Nostoceras (Didymoceras) obtusum, Nostoceras (Didymoceras) postremum, Nostoceras (Didymoceras) varium, Emperoceras cooperii
Distribution:
• Cretaceous of United States (8: Montana, New Mexico, Wyoming collections)
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.