Cephalopoda - Ammonitida - Arietitidae
Full reference: D. G. Taylor. 1998. Late Hettangian-early Sinemurian (Jurassic) ammonite biochronology of the western Cordillera, United States. Geobios 31:467-497
Parent taxon: Coroniceras according to M. K. Howarth 2013
Sister taxa: Arietites pseudospiralis, Coroniceras (Eucoroniceras), Coroniceras (Paracoroniceras), Coroniceras alcinoe, Coroniceras caprotinum, Coroniceras charlesi, Coroniceras deffneri, Coroniceras fergusoni, Coroniceras freboldi, Coroniceras gallicum, Coroniceras grantsvillense, Coroniceras involutum, Coroniceras kridion, Coroniceras luningense, Coroniceras lyra, Coroniceras multicostatum, Coroniceras oblongaries, Coroniceras planaries, Coroniceras rotiforme, Coroniceras subrotiforme, Coroniceras volcanoense, Arnioceratoides hercynicum, Arnioceratoides spurius, Pararnioceras alcinoiforme, Epammonites latisulcatus, Epammonites schloenbachi, Epammonites scunthorpense, Epammonites isis
Subtaxa: none
Ecology: fast-moving nektonic carnivore
Distribution: there are no occurrences of Coroniceras (Guexiceras) in the database