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
Belongs to Coroniceras according to D. G. Taylor 1998
Sister taxa: Arietites pseudospiralis, Coroniceras (Eucoroniceras), Coroniceras (Guexiceras), Coroniceras (Paracoroniceras), Coroniceras alcinoe, Coroniceras caprotinum, Coroniceras charlesi, Coroniceras deffneri, Coroniceras fergusoni, Coroniceras freboldi, Coroniceras gallicum, 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 scunthorpense, Epammonites latisulcatus, Epammonites schloenbachi, Epammonites isis
Type specimen: NWMNH 25027, a shell. Its type locality is First Canyon, Shoshone Mountains (M. trigonatum assemblage), which is in a Bucklandi marine limestone in the Sunrise Formation of Nevada.
Ecology: fast-moving nektonic carnivore
Distribution: found only at First Canyon, Shoshone Mountains (M. trigonatum assemblage)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.