Quarry 10, Como Bluff (YPM): Kimmeridgian - Tithonian, Wyoming
collected by W. H. Reed 1881

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Brontosaurus excelsus n. gen., n. sp. Marsh 1879
1 individual
YPM 1980
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
Lithology and environment
Primary lithology:gray claystone
Includes fossils?Y
Lithology description: "gray, smectitic claystone"
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
Articulated whole bodies:all
Fragmentation:occasional
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. H. Reed Collection dates:1881
Metadata
Also known as:WY-17
Database number:39368
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2004-05-27 06:07:12 Last modified:2023-08-23 15:45:21
Access level:the public Released:2004-05-27 06:07:12
Creative Commons license:CC BY
Reference information

Primary reference:
7814. O. C. Marsh. 1879. Notice of new Jurassic reptiles. American Journal of Science and Arts 18:501-505 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

53982 Anonymous. 1931. The dinosaur skeleton at the Peabody Museum. The Scientific Monthly 33:382-384 [M. Carrano/M. Carrano]
77734 B. H. Breithaupt. 1990. Biography of William Harlow Reed: the story of a frontier fossil collector. Earth Sciences History 9(1):6-13 [M. Carrano/M. Carrano]
58709 B. H. Breithaupt. 1997. Como Bluff. In P. J. Currie & K. Padian (ed.), Encyclopedia of Dinosaurs 135-137 [M. Carrano/M. Carrano]
75727 K. Decker. 2012. Evaluation of Proposed Expansion of the Garden Park Fossil Area National Natural Landmark, Fremont County, Colorado for its Merit in Meeting National Significance Criteria as a National Natural Landmark in Representing Geologic History of the Jurassic Period during the Age of Reptiles in the Southern Rocky Mountain Province, 27 pp. [M. Carrano/M. Carrano]
15179ETE 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]
54331 R. S. Lull. 1926. Early fossil hunting in the Rocky Mountains. Natural History 26(5):455-461 [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]
13281ETE 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]
62081 M. A. Turner. 1997. Yale Peabody Museum. In P. J. Currie & K. Padian (ed.), Encyclopedia of Dinosaurs 787-789 [M. Carrano/M. Carrano]