DNM 315, Douglas Draw Quarry: Middle Tithonian, Utah
collected by S. K. Madsen 1991

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes
Osteichthyes indet. Huxley 1880
Chure et al. 1994 1 specimen
"fish scale"
Reptilia - Lacertilia
Lacertilia indet. Owen 1842
Chure et al. 1994
"a few scattered lizard postcranial bones"
Reptilia
Ornithopoda indet. Marsh 1881
Chure et al. 1994 1 specimen
adult tooth
Camptosaurus sp. Marsh 1885
Chure et al. 1994 1 individual
DINO 15624
Reptilia - Theropoda
Theropoda indet. Marsh 1881
Chure et al. 1994 1 specimen
small maxillary or dentary tooth
Reptilia - Diplodocidae
Diplodocidae indet. Marsh 1884
Chure et al. 1994 1 specimen
tooth
Reptilia - Sphenodontidae
Sphenodontidae indet. Cope 1871
Chure et al. 1994 1 specimen
palatine
see common names

Geography
Country:United States State/province:Utah County:Uintah
Coordinates: 40.4° North, 109.3° West (view map)
Paleocoordinates:37.0° North, 56.3° West
Basis of coordinate:stated in text
Altitude:1525 meters
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Late/Upper Jurassic
Stage:Tithonian 10 m.y. bin:Jurassic 6
Key time interval:Middle Tithonian
Age range of interval:150.80000 - 145.00000 m.y. ago
Stratigraphy
Formation:Morrison Member:Brushy Basin
Stratigraphic resolution:bed
Stratigraphy comments: 10 m above the Quarry sandstone interval and 26 m below the top of the Brushy Basin Member within an interval that consists of mudstone with numerous thin bentonite beds.
Lithology and environment
Primary lithology:volcaniclastic,gray,green mudstone
Includes fossils?Y
Lithology description: "a greenish-gray smectitic mudstone bed"
Environment:crevasse splay
Geology comments: "probably deposited in overbank environment"
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils,mesofossils
Spatial orientation:preferred
Preservation of anatomical detail:medium
Associated major elements:some
Fragmentation:occasional
Temporal resolution:snapshot
Collection methods and comments
Collection excludes:all macrofossils
Collection methods:selective quarrying,surface (in situ),mechanical,field collection
Reason for describing collection:taxonomic analysis
Collectors:S. K. Madsen Collection dates:1991
Collection method comments: Discovered by Scott K. Madsen on 16 September 1991
Metadata
Also known as:UT-19, Dinosaur National Monument
Database number:52110
Authorizer:M. Carrano Enterer:K. Maguire
Modifier:M. Carrano Research group:vertebrate
Created:2005-07-22 14:20:25 Last modified:2023-09-08 14:05:16
Access level:the public Released:2005-07-22 14:20:25
Creative Commons license:CC BY
Reference information

Primary reference:

14610.ETE D. J. Chure, C. E. Turner, and F. Peterson. 1992. An embryo of the ornithopod dinosaur Camptosaurus from the Morrison Formation (Upper Jurassic) of Dinosaur National Monument, Utah. Journal of Vertebrate Paleontology 12(3, suppl.):23A [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

13981ETE D. Chure, C. Turner, and F. Peterson. 1994. An embryo of Camptosaurus from the Morrison Formation (Jurassic, Middle Tithonian) in Dinosaur National Monument, Utah. In K. Carpenter, K.F. Hirsh & J.R. Horner (eds.), Dinosaur Eggs and Babies (Cambridge: Cambridge University Press) 298-311 [M. Carrano/K. Maguire/K. Maguire]
17242ETE D. J. Chure, C. E. Turner, and F. Peterson. 1993. An embryo of Camptosaurus from the Brushy Basin Member of the Morrison Formation in Dinosaur National Monument. In V. Santucci (ed.), National Park Service Paleontology Research Abstract Volume. Technical Report NPS/NRPEFO/NRTR 93/11:31 [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]
35018ETE V. L. Santucci and J. I. Kirkland. 2010. An Overview of National Park Service Paleontological Resources from the Parks and Monuments in Utah. In D. A. Sprinkel, T. C. Chidsey, P. B. Anderson (eds.), Utah Geological Association Publication 28 (third edition) 28:589-623 [M. Carrano/M. Oreska/M. Oreska]
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]
84543 J. S. Tweet and V. L. Santucci. 2018. An inventory of non-avian dinosaurs from National Park Service areas. In S. G. Lucas & R. M. Sullivan (ed.), Fossil Record 6. New Mexico Museum of Natural History and Science Bulletin 79:703-730 [M. Carrano/M. Carrano]