Beaver Creek Valley (YPM): Late/Upper Maastrichtian, Colorado
collected by G. Cannon 1889
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Ornithomimidae
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Ornithomimus velox n. gen., n. sp.
Marsh 1890
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1 individual | |||||||||
YPM 542 + 548 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Colorado | County: | Jefferson |
Coordinates: | 39.7° North, 105.1° West (view map) | ||||
Paleocoordinates: | 46.4° North, 81.3° West | ||||
Basis of coordinate: | stated in text | ||||
Altitude: | 1706 meters | ||||
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: | 72.10000 - 66.00000 m.y. ago | ||
Age estimate: | 67 to 66.5 Ma (Ar/Ar) |
Stratigraphy
Formation: | Denver | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: supposedly same beds as Triceratops alticornis; the "Denver Beds" |
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: | good |
Associated major elements: | all |
Fragmentation: | frequent |
Temporal resolution: | snapshot |
Collection methods and comments
Collection methods: | selective quarrying,surface (float),surface (in situ),mechanical,field collection | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | YPM | ||
Collectors: | G. Cannon | Collection dates: | 1889 |
Metadata
Also known as: | Ornithomimus type, Green Mountain | ||
Database number: | 49000 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2005-04-05 11:43:31 | Last modified: | 2021-09-24 11:16:11 |
Access level: | the public | Released: | 2005-04-05 11:43:31 |
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:
55543 | G. L. Cannon. 1890. Identification of a dinosaur from the Denver Group. Proceedings of the Colorado Scientific Society 3:253-254 [M. Carrano/M. Carrano] | |
55542 | G. L. Cannon. 1906. Notes on some fossils recently discovered near Denver, Colorado. Proceedings of the Colorado Scientific Society 8:194-198 [M. Carrano/M. Carrano] | |
13266 | ETE | K. Carpenter and D. B. Young. 2002. Late Cretaceous dinosaurs from the Denver Basin, Colorado. Rocky Mountain Geology 37(2):237-254 [M. Carrano/M. Carrano/M. Carrano] |
60140 | L. P. A. Claessens and M. A. Loewen. 2016. A redescription of Ornithomimus velox Marsh, 1890 (Dinosauria, Theropoda). Journal of Vertebrate Paleontology 36(1):e1034593:1-15 [M. Carrano/M. Carrano] | |
78169 | O. C. Marsh. 1897. Vertebrate fossils of the Denver Basin. United States Geological Survey Monograph 27:473-527 [M. Carrano/M. Carrano/M. Carrano] | |
13071 | ETE | H. F. Osborn. 1916. Skeletal adaptations of Ornitholestes, Struthiomimus, Tyrannosaurus. Bulletin of the American Museum of Natural History 35(43):733-771 [M. Carrano/M. Carrano/M. Carrano] |
10410 | D. A. Russell. 1972. Ostrich dinosaurs from the late Cretaceous of western Canada. Canadian Journal of Earth Sciences 9:375-402 [M. Carrano/M. Carrano/M. Carrano] |