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
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Troodon wyomingensis n. sp.
Gilmore 1931
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1 specimen | |||||||||
recombined as Pachycephalosaurus wyomingensis | ||||||||||
USNM 12031 | ||||||||||
Reptilia
- Testudines
- Trionychidae
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Axestemys infernalis
Joyce et al. 2019
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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:
12773 | ETE | 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] | |
13950 | ETE | J. H. Ostrom. 1965. Cretaceous vertebrate faunas of Wyoming. Wyoming Geological Association Guidebook 19:35-41 [M. Carrano/K. Maguire/M. Carrano] |