Quarry 11, Como Bluff (YPM): Kimmeridgian - Tithonian, Wyoming
collected by W. Reed 1879-1880
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
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Brontosaurus amplus n. sp.
Marsh 1881
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1 individual | |||||||||
synonym of Brontosaurus excelsus | ||||||||||
YPM 1981 | ||||||||||
Reptilia
- Stegosauridae
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Stegosaurus ungulatus
Marsh 1879
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Marsh 1887 | 1 specimen | ||||||||
"originally referred by the writer" to this taxon | ||||||||||
= Stegosaurus duplex n. sp.
Marsh 1887
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Marsh 1887 | |||||||||
YPM 1858 | ||||||||||
Mammalia
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Mammalia indet.
Linnaeus 1758
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Ostrom and McIntosh 1999 | |||||||||
unidentified tooth | ||||||||||
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: | mudstone |
Includes fossils? | Y |
Environment: | wet floodplain |
Geology comments: poorly drained floodplain |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | concentrated |
Size of fossils: | macrofossils |
Spatial orientation: | random |
Preservation of anatomical detail: | excellent |
Associated major elements: | some |
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 | Collection dates: | 1879-1880 |
Metadata
Also known as: | WY-18 | ||
Database number: | 39369 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2004-05-27 06:09:43 | Last modified: | 2023-08-23 15:45:25 |
Access level: | the public | Released: | 2004-05-27 06:09:43 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
7816. | O. C. Marsh. 1881. Principal characters of American Jurassic dinosaurs. Part V. The American Journal of Science and Arts, series 3 21:417-423 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
17535 | ETE | K. Carpenter and P. M. Galton. 2001. Othniel Charles Marsh and the myth of the eight-spiked Stegosaurus. In K. Carpenter (ed.), The Armored Dinosaurs. Indiana University Press, Bloomington 76-102 [M. Carrano/M. Carrano] |
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] |
69484 | J. R. Foster and J. E. Peterson. 2016. First report of Apatosaurus (Diplodocidae: Apatosaurinae) from the Cleveland-Lloyd Quarry in the Upper Jurassic Morrison Formation of Utah: abundance, distribution, paleoecology, and taphonomy of an endemic North American sauropod clade. Palaeoworld 25:431-443 [M. Carrano/M. Carrano] | |
76171 | P. M. Galton. 2010. Species of plated dinosaur Stegosaurus (Morrison Formation, Late Jurassic) of western USA: new type species designation needed. Swiss Journal of Geosciences 103:187-198 [M. Carrano/M. Carrano] | |
62949 | E. Hennig. 1915. Fossilium Catalogus. I: Animalia. Pars 9: Stegosauria 1-16 [M. Carrano/M. Carrano/M. Carrano] | |
14174 | ETE | R. S. Lull. 1910. Stegosaurus ungulatus Marsh, recently mounted at the Peabody Museum of Yale University. The American Journal of Science, series 4 30(180):361-377 [M. Carrano/M. Carrano/M. Carrano] |
29301 | ETE | S. C. R. Maidment, D. B. Norman, P. M. Barrett and P. Upchurch. 2008. Systematics and phylogeny of Stegosauria (Dinosauria: Ornithischia). Journal of Systematic Palaeontology 6(4):367-407 [M. Carrano/M. Carrano] |
10619 | ETE | O. C. Marsh. 1887. Principal characters of American Jurassic dinosaurs. Part IX. The skull and dermal armor of Stegosaurus. American Journal of Science 34:413-417 [M. Carrano/M. Carrano/M. Carrano] |
10726 | ETE | J. S. McIntosh. 1995. Remarks on the North American sauropod Apatosaurus Marsh. Sixth Symposium on Mesozoic Terrestrial Ecosystems and Biota, Short Papers, A. Sun and Y. Wang (eds.), China Ocean Press, Beijing 119-123 [M. Carrano/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] |