Where: Niobrara County, Wyoming (43.2° N, 104.5° W: paleocoordinates 49.7° N, 79.3° W)
• small collection-level geographic resolution
When: Lance Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
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 57158: authorized by Matthew Carrano, entered by Kaitlin Maguire on 07.12.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
cf. Dryptosaurus sp. Marsh 1877 coelurosaur | |
Brachychampsa montana Gilmore 1911 crocodilian | |
Actinopteri | |
Lepisosteus occidentalis Leidy 1856 gar |