†Spirogmoceras Silberling 1956 (ceratite)
Click image to enlarge. Click to access iDigBio record.
Cephalopoda - Ceratitida - Trachyceratidae
Parent taxon: Protrachyceratinae according to S. Lukeneder and A. Lukeneder 2014
See also Sepkoski 2002, Tozer 1981 and Tozer 1994
Sister taxa: Eoprotrachyceras, Paratrachyceras, Protrachyceras
Subtaxa: Spirogmoceras shastense
Ecology: nektonic carnivore
Distribution:
• Triassic of Canada (6: British Columbia collections), Türkiye (5), United States (3: Alaska, California, Nevada)
Total: 14 collections including 19 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.