Where: Blaine County, Montana (47.8° N, 108.9° W: paleocoordinates 54.7° N, 75.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Judith River Formation (Montana Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)
• formation-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Collected by J. C. Isaac in 1876
Collection methods: surface (float),
Primary reference: E. D. Cope. 1877. Report on the geology of the region of the Judith River, Montana, and on vertebrate fossils obtained on or near the Missouri River. Bulletin of the United States Geological and Geographical Survey 3(3):565-597 [M. Carrano/M. Carrano/E. Vlachos]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 58156: authorized by Matthew Carrano, entered by Kaitlin Maguire on 25.01.2006, edited by Matthew Carrano
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Pteropelyx grallipes n. gen. n. sp.2
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"Laelaps falculus n. sp." = Gorgosaurus libratus1
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