Where: Blaine County, Montana (47.8° N, 108.9° W: paleocoordinates 54.7° N, 75.0° W)
• coordinate based on nearby landmark
When: Judith River Formation, Campanian (83.5 - 70.6 Ma)
Environment/lithology: estuary or bay; sandstone
•ferruginous sandstone caprock overlying the secondary fish beds.The site is estuarine, swampy, with marine and fresh-water species and plesiosaur material.
Size classes: macrofossils, mesofossils
Primary reference: G. R. Case. 1978. A new selachian fauna from the Judith River Formation (Campanian) of Montana. Palaeontographica Abteilung A 160(Lfg. 1-6):176-205 [J. Kriwet/W. Glaeser/M. Carrano] more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 69153: authorized by Juergen Kriwet, entered by Wolfgang Glaeser on 20.02.2007, edited by Matt Carrano