Where: Carter County, Montana (45.5° N, 104.2° W: paleocoordinates 51.8° N, 78.0° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• described as uppermost Maastrichtian, Lancian NALMA
• bed-level stratigraphic resolution
Environment/lithology: "channel"; medium-grained, pyritic, sideritic sandstone
Size classes: macrofossils, mesofossils
Preservation: replaced with siderite
Collected by B. Konecke in 1992
Collection methods: mechanical,
• Brig Konecke
Primary reference: C. J. Ott. 2007. Cranial anatomy and biogeography of the first Leptoceratops gracilis (Dinosauria: Ornithischia) specimens from the Hell Creek Formation, southeast Montana. In K. Carpenter (ed.), Horns and Beaks: Ceratopsian and Ornithopod Dinosaurs 213-233 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 73947: authorized by Matthew Carrano, entered by Matthew Carrano on 13.07.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Bivalvia | |
Unionidae indet. Rafinesque 1820 freshwater mussel |