Also known as Landslide Butte Field Area
Where: Glacier County, Montana (49.0° N, 112.6° W: paleocoordinates 56.5° N, 77.6° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Flag Butte Member (Two Medicine Formation), Late/Upper Campanian (83.5 - 70.6 Ma)
• "upper lithofacies suite", approx. 20 m below Bearpaw Fm.
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; siltstone
Size class: macrofossils
Collected by S. Hofsteader, J. Horner & C. Ancell in 1987
Collection methods: quarrying, mechanical,
Primary reference: J. P. Wilson, M. J. Ryan, and D. C. Evans. 2020. A new, transitional centrosaurine ceratopsid from the Upper Cretaceous Two Medicine Formation of Montana and the evolution of the 'Styracosaurus-line' dinosaurs. Royal Society Open Science 7:200284 [G. Lloyd/G. Lloyd]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 52435: authorized by Matthew Carrano, entered by Matthew Carrano on 05.08.2005, edited by Graeme Lloyd
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Stellasaurus ancellae n. gen. n. sp.
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