Cephalopoda - Ammonitida - Nostoceratidae

Alternative combinations: Ancyloceras cheyenensis, Helicoceras cheyenense, Turrilites cheyenensis

Belongs to Didymoceras according to W. J. Kennedy et al. 2000

See also Kennedy and Cobban 1994 and Zaborski 1985

Sister taxa: Didymoceras angulatum, Didymoceras aurarium, Didymoceras awajiense, Didymoceras binodosum, Didymoceras californicum, Didymoceras cheyennense, Didymoceras cochleatus, Didymoceras donezianum, Didymoceras draconis, Didymoceras hidakense, Didymoceras hornbyense, Didymoceras nebrascense, 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: there are no occurrences of Didymoceras cheyenense in the database

Show more details

Specimen images are retrieved through the ePANDDA API.