Quarry 7, Como Bluff (YPM): Tithonian, Wyoming
collected by W. Reed

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Laosaurus consors n. sp. Marsh 1894
1 individual
synonym of Nanosaurus agilis
YPM 1882
Reptilia - Goniopholididae
Goniopholis sp. Owen 1842
Foster 2003 1 individual
see common names

Geography
Country:United States State/province:Wyoming County:Albany
Coordinates: 41.9° North, 106.1° West (view map)
Paleocoordinates:37.7° North, 52.7° West
Basis of coordinate:stated in text
Altitude:2133 meters
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Late/Upper Jurassic
Stage:Tithonian 10 m.y. bin:Jurassic 6
Key time interval:Tithonian
Age range of interval:152.10000 - 145.00000 m.y. ago
Stratigraphy
Formation:Morrison
Stratigraphic resolution:bed
Stratigraphy comments: upper middle part of formation; ca. 15 m above Quarry 13 (ref 10638
Lithology and environment
Primary lithology: mudstone
Includes fossils?Y
Environment:wet floodplain
Geology comments: poorly drained floodplain
Taphonomy
Modes of preservation:body
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:Three Trees Quarry, WY-28
Database number:39346
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2004-05-26 15:13:36 Last modified:2023-08-23 15:45:10
Access level:the public Released:2004-05-26 15:13:36
Creative Commons license:CC BY
Reference information

Primary reference:

9097. O. C. Marsh. 1894. The typical Ornithopoda of the American Jurassic. American Journal of Science, series 3 48:85-90 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

10638ETE R. T. Bakker. 1990. A new latest Jurassic vertebrate fauna, from the highest levels of the Morrison Formation at Como Bluff, Wyoming, with comments on Morrison biochronology. Part I. Biochronology. Hunteria 2(6):1-3 [M. Carrano/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]
12658ETE P. M. Galton. 1977. The Upper Jurassic dinosaur Dryosaurus and a Laurasia-Gondwana connection in the Upper Jurassic. Nature 268(5617):230-232 [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]
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]