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
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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 | ||||||||||
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Reptilia
- Ovaloolithidae
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Ovaloolithus utahensis
Bray 1999
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Bray 1999 | |||||||||
| HEC 767-6, HEC 764-1 | ||||||||||
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Reptilia
- Saltasauridae
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Alamosaurus sanjuanensis
Gilmore 1922
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1 specimen | |||||||||
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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] |