Cephalopoda - Ammonitida - Arietitidae
Alternative combination: Metophioceras rursicostatum
Full reference: H. Frebold. 1967. Hettangian ammonite faunas of the Taseko Lakes area British Columbia. Geological Survey of Canada Bulletin 158:1-35
Belongs to Paracaloceras according to L. M. Longridge et al. 2008
See also Guex 1995, Longridge et al. 2008, Taylor 2000 and Taylor and Guex 2002
Sister taxa: Paracaloceras concavum, Paracaloceras coregonense, Paracaloceras haueri, Paracaloceras multicostatum, Paracaloceras varaense, Alpinoceras perspiratum
Type specimen: GSC 19944, a shell
Average measurements (in mm): shell diameter 51.0
Distribution:
• Jurassic of Argentina (1 collection), Canada (27: British Columbia), Chile (1), Mexico (1), United States (4: Alaska, Nevada, Oregon)
Total: 34 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.