Where: Wheatland County, Montana (46.5° N, 109.4° W: paleocoordinates 53.6° N, 76.3° 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: "channel"; mudstone
Size class: mesofossils
Collection methods: bulk,
Primary reference: A. R. Fiorillo. 1989. The vertebrate fauna from the Judith River Formation (Late Cretaceous) of Wheatland and Golden Valley counties, Montana. Mosasaur 4:127-142 [J. Alroy/J. Alroy/H. Street]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 50906: authorized by Matthew Carrano, entered by Matthew Carrano on 24.05.2005, edited by John Alroy
Creative Commons license: CC BY (attribution)
Taxonomic list
Actinopteri | |
Lepisosteus sp. Agassiz 1843 gar | |
Reptilia | |
Ceratopsidae indet. Marsh 1888 ceratopsid | |
Stegoceras sp. Lambe 1902 ornithischian | |
Hadrosauridae indet. Cope 1869 hadrosaurid | |
Trionychinae indet. Gray 1825 softshell turtle |