Where: Niobrara County, Wyoming (43.1° N, 104.6° W: paleocoordinates 49.5° N, 79.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lance Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; gray, red, blue shale
Size classes: macrofossils, mesofossils
Reposited in the UCMP
Collection methods: surface (float), mechanical, sieve,
Primary reference: R. Estes. 1964. Fossil vertebrates from the Late Cretaceous Lance Formation, eastern Wyoming. University of California Publications in Geological Sciences 49:1-187 [J. Alroy/M. Sommers/M. Carrano]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 57159: authorized by Matthew Carrano, entered by Kaitlin Maguire on 07.12.2005, edited by Roger Benson
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
cf. Dryptosaurus sp. Marsh 1877 coelurosaur | |
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian | |
| |
Trionychidae sp., "Aspideretes beecheri" = Trionyx beecheri
"Aspideretes beecheri" = Trionyx beecheri Hay 1904 softshell turtle | |
Actinopteri | |
Lepisosteus occidentalis Leidy 1856 gar |