Also known as Moreau River
Where: Ziebach County, South Dakota (45.0° N, 101.7° W: paleocoordinates 50.8° N, 75.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Trail City Member (Fox Hills Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; silty, sandy carbonate
Size class: macrofossils
Preservation: concretion
Collected by H. Ross and O. F. Lone in 1993
Collection methods: surface (float)
Primary reference: T. L. Harrell, Jr. and J. E. Martin. 2015. A mosasaur from the Maastrichtian Fox Hills Formation of the northern Western Interior Seaway of the United States and the synonymy of Mosasaurus maximus with Mosasaurus hoffmanni (Reptilia: Mosasauridae). Netherlands Journal of Geosciences - Geologie en Mijnbouw 94(1):23-37 [P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 194136: authorized by Philip Mannion, entered by Philip Mannion on 14.06.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Bivalvia | |
Nucula sp. Lamarck 1799 nut clam | |
Ostrea sp. Linnaeus 1758 oyster | |
Cephalopoda | |
Jeletzkytes spendeni ammonite
Hoploscaphites nicolleti ammonite | |
Reptilia | |
"Mosasaurus hoffmanni" = Mosasaurus hoffmannii
|