Between Fort Lookout and Fort Pierre (Cretaceous of the United States)
Where: Lyman County, South Dakota (44.1° N, 99.7° W: paleocoordinates 48.9° N, 66.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Pierre Shale Formation, Campanian (83.6 - 72.1 Ma)
• upper Pierre
• bed-level stratigraphic resolution
Environment/lithology: marine; shale
Size class: macrofossils
Primary reference: D. A. Russell. 1964. The Skull of American Mosasaurs. 1-386 [M. Carrano/H. Street/P. Wagner]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 107711: authorized by Matthew Carrano, entered by Hallie Street on 14.04.2011
Creative Commons license: CC BY (attribution)
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