Where: Pondera County, Montana (48.5° N, 112.4° W: paleocoordinates 56.0° N, 77.6° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Lower Member (Two Medicine Formation), Late/Upper Santonian to Late/Upper Santonian (85.8 - 70.6 Ma)
• lower part of formation
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected by B. Brown; reposited in the AMNH
Collection methods: quarrying, mechanical,
• also MOR
Primary reference: J. R. Horner. 1992. Cranial morphology of Prosaurolophus (Ornithischia: Hadrosauridae) with descriptions of two new hadrosaurid species and an evaluation of hadrosaurid phylogenetic relationships. Museum of the Rockies Occasional Paper 2:1-119 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 47101: authorized by Matthew Carrano, entered by Matthew Carrano on 08.02.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
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