Dinosaur National Monument tracksite 8: Rhaetian, Utah
collected by M. Lockley, K. Conrad, M. Paquette 1991–1992

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Chirotheriidae
Brachychirotherium sp. Beurlen 1950
1 specimen
DINO 15000
Reptilia - Grallatoridae
? Grallator sp. Hitchcock 1858
Lucas et al. 2006
Reptilia
? Eosauropus sp. Lockley et al. 2006
Lucas et al. 2006
see common names

Geography
Country:United States State/province:Utah County:Uintah
Coordinates: 40.5° North, 109.3° West (view map)
Paleocoordinates:19.1° North, 48.3° West
Basis of coordinate:based on nearby landmark
Geographic resolution:local area
Time
Period:Triassic Epoch:Late/Upper Triassic
Stage:Rhaetian 10 m.y. bin:Triassic 4
Key time interval:Rhaetian
Age range of interval:208.50000 - 201.30000 m.y. ago
Stratigraphy
Geological group:Glen Canyon Formation:Navajo-Nugget Sandstone
Stratigraphic resolution:bed
Stratigraphy comments: 7 m above base
Lithology and environment
Primary lithology: siltstone
Includes fossils?Y
Environment:terrestrial indet.
Taphonomy
Modes of preservation:trace
Size of fossils:macrofossils
Spatial orientation:life position
Temporal resolution:snapshot
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:surface (in situ),peel or thin section,observed (not collected)
Reason for describing collection:general faunal/floral analysis
Collectors:M. Lockley, K. Conrad, M. Paquette Collection dates:1991–1992
Metadata
Also known as:UCD91-8, UCD Loc. 8, UCD 91-8
Database number:192941
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2018-04-27 16:04:48 Last modified:2018-07-24 16:34:32
Access level:the public Released:2018-04-27 16:04:48
Creative Commons license:CC BY
Reference information

Primary reference:

59355. M. G. Lockley, K. L. Conrad, and M. Paquette. 1991. Distribution and significance of Mesozoic vertebrate trace fossils in Dinosaur National Monument. University of Wyoming National Park Service Research Center Annual Report 15(16):85-90 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

65639 M. G. Lockley. 2006. Observations on the ichnogenus Gwyneddichium and Gwyneddichium-like footprints and trackways from the Upper Triassic of the western United States. In J. D. Harris, S. G. Lucas, J. A. Spielmann, M. G. Lockley, A. R. C. Milner, J. I. Kirkland (eds.), The Triassic-Jurassic Terrestrial Transition. New Mexico Museum of Natural History and Science Bulletin 37:170-175 [M. Carrano/M. Carrano/P. Wagner]
65643 M. G. Lockley, K. L. Conrad, M. Paquette and A. H. Hamblin. 1992. Late Triassic vertebrate tracks in the Dinosaur National Monument area. Field Guide to Geologic Excursions in Utah and Adjacent Areas of Nevada, Idaho, and Wyoming. Utah Geological Survey Miscellaneous Publication 92-3:383-390 [M. Carrano/M. Carrano]
65483 S. G. Lucas, M. G. Lockley, A. P. Hunt and L. H. Tanner. 2006. Biostratigraphic significance of tetrapod footprints from the Triassic-Jurassic Wingate Sandstone on the Colorado Plateau. In J. D. Harris, S. G. Lucas, J. A. Spielmann, M. G. Lockley, A. R. C. Milner, & J. I. Kirkland (eds.), The Triassic-Jurassic Terrestrial Transition. New Mexico Museum of Natural History and Science Bulletin 37:109-117 [M. Carrano/M. Carrano]