9 miles southwest of Warren Post Office: Late/Upper Maastrichtian, Wyoming
collected by G. F. Sternberg 1930

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Troodon wyomingensis n. sp. Gilmore 1931
1 specimen
recombined as Pachycephalosaurus wyomingensis
USNM 12031
Reptilia - Testudines - Trionychidae
Axestemys infernalis Joyce et al. 2019
Joyce et al. 2019
FHSM VP200
see common names

Geography
Country:United States State/province:Wyoming County:Niobrara
Coordinates: 43.2° North, 104.6° West (view map)
Paleocoordinates:49.6° North, 79.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian
Age range of interval:70.60000 - 66.00000 m.y. ago
Stratigraphy
Formation:Lance
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Disassociated major elements:all
Fragmentation:frequent
Temporal resolution:snapshot
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:G. F. Sternberg Collection dates:1930
Metadata
Also known as:Buck Creek, Lance Creek
Database number:52106
Authorizer:M. Carrano, E. Vlachos Enterer:K. Maguire, E. Vlachos
Modifier:P. Mannion Research group:vertebrate
Created:2005-07-22 11:38:55 Last modified:2021-04-06 02:55:44
Access level:the public Released:2005-07-22 11:38:55
Creative Commons license:CC BY
Reference information

Primary reference:

14577.ETE C. W. Gilmore. 1931. A new species of troödont dinosaur from the Lance Formation of Wyoming. Proceedings of the United States National Museum 79(9):1-6 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

12773ETE B. Brown and E. M. Schlaikjer. 1943. A study of the troödont dinosaurs with the description of a new genus and four new species. Bulletin of the American Museum of Natural History 82(5):115-150 [M. Carrano/M. Carrano/M. Carrano]
70995 W. J. Joyce, D. B. Brinkman, and T. R. Lyson. 2019. A new species of trionychid turtle, Axestemys infernalis sp. nov., from the Late Cretaceous (Maastrichtian) Hell Creek and Lance formations of the Northern Great Plains, USA. Palaeontologia Electronica 22(3):72:1-28 [E. Vlachos/E. Vlachos/P. Mannion]
13950ETE J. H. Ostrom. 1965. Cretaceous vertebrate faunas of Wyoming. Wyoming Geological Association Guidebook 19:35-41 [M. Carrano/K. Maguire/M. Carrano]