Quarry 4, Como Bluff (YPM): Kimmeridgian - Tithonian, Wyoming
collected by W. Reed 1879

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Antrodemus valens (Leidy 1870)
1 individual
synonym of Allosaurus fragilis
Reptilia - Stegosauridae
Stegosaurus sp. Marsh 1877
1 individual
Reptilia
Barosaurus sp. Marsh 1890
1 individual
Apatosaurus sp. Marsh 1877
1 individual
Reptilia - Camarasauridae
Camarasaurus sp. Cope 1877
1 individual
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, 52.1° West
Basis of coordinate:stated in text
Altitude:2072 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 Member:Talking Rocks
Stratigraphic resolution:bed
Stratigraphy comments: top of Unit B
Lithology and environment
Primary lithology:gray silty claystone
Includes fossils?Y
Environment:wet floodplain
Geology comments: poorly drained floodplain
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
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
Metadata
Also known as:Truckstop Quarry, WY-40
Database number:39342
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2004-05-26 15:01:57 Last modified:2023-08-23 15:41:44
Access level:the public Released:2004-05-26 15:01:57
Creative Commons license:CC BY
Reference information

Primary reference:
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]

Secondary references:

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]
85332 M. V. Connely. 2002. Stratigraphy and Paleoecology of the Morrison Formation, Como Bluff, Wyoming 1-109 [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]
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]