New Havre Badlands (Cretaceous to of the United States)
Where: Blaine County, Montana (48.5° N, 109.7° W: paleocoordinates 55.6° N, 75.4° W)
• coordinate based on nearby landmark
When: Judith River Formation, Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)
Environment/lithology: lacustrine; siliciclastic sediments
• The Site is composed of Bentonite with Soda-ash (Alkali) in association, small residues of Kaolinite (poor grade) containing lignitized wood shards, and resin (Amber). The site is a Lake deposit.
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 69250: authorized by Juergen Kriwet, entered by Wolfgang Glaeser on 22.02.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Chondrichthyes | |
|
Myledaphus bipartitus Cope 1876 guitarfish | |
"Hybodus montanensis n. sp." = Meristodonoides montanensis
"Hybodus montanensis n. sp." = Meristodonoides montanensis Case 1978 elasmobranch | |