Chesterfield coal mine, Sego: Campanian, Utah
collected by R. W. Magraw, E. H. Burdick 1920-1931
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
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Deinodontidae indet.
(Brown 1914)
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1 individual | |||||||||
7 consecutive tracks; ID by W. D. Matthew | ||||||||||
= Dinosauria indet.
Owen 1842
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Strevell 1930 | |||||||||
tridactyl tracks, enormous; AMNH 3844 | ||||||||||
= Dinosauropodes magrawii n. gen., n. sp.
Lull 1932
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Strevell 1932 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Utah | County: | Grand |
Coordinates: | 39.0° North, 109.7° West (view map) | ||||
Paleocoordinates: | 46.4° North, 79.4° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Campanian | ||
Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
Formation: | Price River | Member: | Nelsen |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | coal |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | cast,trace |
Size of fossils: | macrofossils |
Spatial orientation: | life position |
Preservation of anatomical detail: | medium |
Associated major elements: | some |
Disassociated major elements: | some |
Spatial resolution: | autochthonous |
Collection methods and comments
Collection methods: | selective quarrying,surface (in situ),mechanical,peel or thin section,field collection,observed (not collected) | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | AMNH | ||
Collectors: | R. W. Magraw, E. H. Burdick | Collection dates: | 1920s-1931 |
Collection method comments: tracks collected by Pennsylvania State University (1930) and AMNH (1931, McGraw) |
Metadata
Also known as: | AMNH Loc. 6872, Ballard | ||
Database number: | 64635 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2006-09-11 07:05:53 | Last modified: | 2015-07-29 13:12:11 |
Access level: | the public | Released: | 2006-09-11 07:05:53 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
29231. | ETE | W. Peterson. 1924. Dinosaur tracks in the roofs of coal mines: a strange phenomenon noted in Utah and Colorado. Natural History 24(3):388-391 [M. Carrano/M. Carrano] |
Secondary references:
54180 | Anonymous. 1931. A dinosaur footprint. Natural History 31:446 [M. Carrano/M. Carrano] | |
54029 | Anonymous. 1937. Dinosaur footprints traced to ancient reptile bones. Science News Letter 32:70-71 [M. Carrano/M. Carrano] | |
18651 | ETE | B. Brown. 1938. The mystery dinosaur. Natural History 38(3):190-202 [M. Carrano/M. Carrano] |
32235 | L. Parker and J. Balsley. 1989. Coal mines as localities for studying trace fossils. In D. D. Gillette & M. G. Lockley (ed.), Dinosaur Tracks and Traces, Cambridge University Press 353-359 [R. Butler/R. Butler/M. Carrano] | |
24152 | ETE | C. N. Strevell. 1930. Dinosaur footprints from Carbon and Grand County, Utah: Strevell Collection, Salt Lake City. 1-9 [M. Carrano/M. Carrano] |
55933 | C. N. Strevell. 1932. Dinosauropodes. 1-16 [M. Carrano/M. Carrano] |