Alamosaurus locality, South Dragon Valley: Late/Upper Maastrichtian, Utah
collected by C. Gilmore 1939
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Elongatoolithidae
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Spongioolithus hirschi
Bray 1999
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Bray 1999 | |||||||||
HEC 762-1, 13 fragments; HEC 763, 6 fragments; UCMP 88127 | ||||||||||
Reptilia
- Ovaloolithidae
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Ovaloolithus utahensis
Bray 1999
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Bray 1999 | |||||||||
HEC 767-6, HEC 764-1 | ||||||||||
Reptilia
- Saltasauridae
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Alamosaurus sanjuanensis
Gilmore 1922
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1 specimen | |||||||||
Reptilia
- Prismatoolithidae
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Prismatoolithus jenseni n. sp.
Bray 1999
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Bray 1999 | |||||||||
BYU 9481, UCM 73464, HEC 437, HEC 767-4,5; eggs and eggshels | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Utah | County: | Emery |
Coordinates: | 39.2° North, 111.3° West (view map) | ||||
Paleocoordinates: | 47.0° North, 88.3° West | ||||
Basis of coordinate: | stated in text | ||||
Altitude: | 2437 meters | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
Key time interval: | Late/Upper Maastrichtian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
Formation: | North Horn |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | dispersed |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | medium |
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: | USNM | ||
Collectors: | C. Gilmore | Collection dates: | 1939 |
Metadata
Also known as: | 1939 Smithsonian Expedition, North Horn Mountain, Sauropod Locality | ||
Database number: | 45722 | ||
Authorizer: | M. Carrano, J. Alroy | Enterer: | M. Carrano, A. Garcia Selles |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 2004-11-29 06:48:16 | Last modified: | 2022-04-27 06:11:25 |
Access level: | the public | Released: | 2004-11-29 06:48:16 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
12090. | ETE | C. W. Gilmore. 1946. Reptilian fauna of the North Horn Formation of central Utah. United States Department of the Interior Geological Survey Professional Paper 210-C:29-53 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
13291 | ETE | E. S. Bray. 1999. Eggs and eggshell from the Upper Cretaceous North Horn Formation, central Utah. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:361-375 [M. Carrano/M. Carrano/A. Garcia Selles] |