Quarry 14, Como Bluff (YPM): Kimmeridgian - Tithonian, Wyoming
collected by W. Reed
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
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Allosaurus ferox n. sp.
Marsh 1896
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1 individual | ||||||
synonym of Allosaurus fragilis | |||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Albany |
Coordinates: | 41.9° North, 106.0° West (view map) | ||||
Paleocoordinates: | 37.5° North, 52.2° West | ||||
Basis of coordinate: | stated in text | ||||
Altitude: | 2091 meters | ||||
Geographic resolution: | small collection |
Time
Period: | Jurassic | Epoch: | Late/Upper Jurassic |
Key time interval: | Kimmeridgian - Tithonian | ||
Age range of interval: | 154.80000 - 145.00000 m.y. ago |
Stratigraphy
Formation: | Morrison | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: upper middle part of formation |
Lithology and environment
Primary lithology: | gray siltstone |
Includes fossils? | Y |
Environment: | wet floodplain |
Geology comments: poorly drained floodplain |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | dispersed |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Associated major elements: | all |
Temporal resolution: | snapshot |
Collection methods and comments
Collection methods: | selective quarrying,mechanical,field collection |
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | YPM |
Collectors: | W. Reed |
Metadata
Also known as: | WY-16 | ||
Database number: | 39371 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2004-05-27 06:17:20 | Last modified: | 2023-08-23 15:46:39 |
Access level: | the public | Released: | 2004-05-27 06:17:20 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
14074. | ETE | O. C. Marsh. 1896. The dinosaurs of North America. United States Geological Survey, 16th Annual Report, 1894-95 55:133-244 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
15179 | ETE | J. R. Foster. 2003. Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A. New Mexico Museum of Natural History and Science Bulletin 23:1-95 [M. Carrano/M. Carrano] |
10618 | J. H. Ostrom and J. S. McIntosh. 1999. Marsh's Dinosaurs: The Collections from Como Bluff. Yale University Press, New Haven 1-388 [M. Carrano/M. Carrano/M. Carrano] | |
13281 | ETE | C. E. Turner and F. Peterson. 1999. Biostratigraphy of dinosaurs in the Upper Jurassic Morrison Formation of the Western Interior, U.S.A. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:77-114 [M. Carrano/M. Carrano/M. Carrano] |