east side, Cow Creek: Campanian, Montana
collected by J. B. Hatcher 1888
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Tyrannosauridae
|
|||||||
Ornithomimus grandis n. sp.
Marsh 1890
|
1 individual | ||||||
nomen dubium belonging to Tyrannosauridae | |||||||
see common names |
Geography
Country: | United States | State/province: | Montana | County: | Fergus |
Coordinates: | 47.8° North, 108.9° West (view map) | ||||
Paleocoordinates: | 54.6° North, 74.2° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Campanian | ||
Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
Geological group: | Montana | Formation: | Eagle Sandstone |
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 |
Associated major elements: | all |
Fragmentation: | frequent |
Temporal resolution: | snapshot |
Collection methods and comments
Collection methods: | surface (float),surface (in situ),field collection,survey of museum collection | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | USNM | ||
Collectors: | J. B. Hatcher | Collection dates: | 1888 |
Collection method comments: now lost |
Metadata
Database number: | 52873 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2005-08-25 08:06:41 | Last modified: | 2015-03-16 15:05:22 |
Access level: | the public | Released: | 2005-08-25 08:06:41 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
12250. | ETE | O. C. Marsh. 1890. Description of new dinosaurian reptiles. The American Journal of Science, series 3 39:81-86 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
10608 | ETE | C. W. Gilmore. 1920. Osteology of the carnivorous Dinosauria in the United States National Museum, with special reference to the genera Antrodemus (Allosaurus) and Ceratosaurus. Bulletin of the United States National Museum 110:1-154 [M. Carrano/M. Carrano/M. Carrano] |
14898 | ETE | T. R. Holtz, Jr. 2004. Tyrannosauroidea. In D. B. Weishampel, P. Dodson, and H. Osmolska (eds.), The Dinosauria (second edition). University of California Press, Berkeley 111-136 [M. Carrano/M. Carrano/M. Carrano] |
54631 | J. R. Horner. 1989. The Mesozoic terrestrial ecosystems of Montana. In D. E. French & R. F. Grabb (ed.), Geologic Resources of Montana. 1989 Montana Geological Society Field Conference and Symposium Guidebook 153-162 [M. Carrano/M. Carrano] |