Missouri Breaks (UC-8303) (Cretaceous to of the United States)

Where: Fergus County, Montana (47.7° N, 108.9° W: paleocoordinates 54.6° N, 75.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Judith River Formation (Montana Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; silty claystone

• "carbonaceous lacustrine facies"

Size class: mesofossils

Primary reference: R. W. Blob, M. T. Carrano, R. R. Rogers, C. A. Forster, and N. R. Espinoza. 2001. A new fossil frog from the Upper Cretaceous Judith River Formation of Montana. Journal of Vertebrate Paleontology 21(1):190-194 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 23551: authorized by John Alroy, entered by John Alroy on 16.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• only one taxon is listed; others clearly are present
Show authors, comments, and common names
Amphibia
 Caudata - Urodela
Nezpercius dodsoni
Nezpercius dodsoni Blob et al. 2001 salamander