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 Paracaloceras according to D. G. Taylor 1998
Sister taxa: Paracaloceras coregonense, Paracaloceras haueri, Paracaloceras multicostatum, Paracaloceras rursicostatum, Paracaloceras varaense, Alpinoceras perspiratum
Type specimen: NWMNH 25031, a shell. Its type locality is First Canyon, Shoshone Mountains (Canadensis zone), which is in an Angulata marine limestone in the Sunrise Formation of Nevada.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 116.6
Distribution: found only at First Canyon, Shoshone Mountains (Canadensis zone)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.