Book Cliffs, hadrosaur locality: Late/Upper Campanian, Utah
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Hadrosauridae
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Hadrosauridae indet.
Cope 1869
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1 individual | |||||||||
| "similar to the gryposaurs"; with skin impressions | ||||||||||
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= Hadrosaurinae indet.
Lambe 1918
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Thomson et al. 2013 | |||||||||
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unclassified
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Plantae indet.
Haeckel 1866
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Anderson et al. 1999 | |||||||||
| "woody debris" | ||||||||||
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Teredolites clavatus
Leymerie 1842
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Anderson et al. 1999 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Utah | County: | Emery |
| Coordinates: | 39.1° North, 109.4° West (view map) | ||||
| Paleocoordinates: | 46.6° North, 79.8° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Late/Upper Campanian | Ammonoid zone: | Didymoceras nebrascense |
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Formation: | Nelsen | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Palisade coal zone, equivalent to the Didymoceras nebrascense ammonite biozone, lower part of formation | |||||
Lithology and environment
| Primary lithology: | "cross stratification",planar lamination,very fine,fine,yellow sandstone |
| Secondary lithology: | carbonaceous siltstone |
| Includes fossils? | Y |
| Lithology description: "a 1.5 meter thick, coarsening-upward succession of buff-colored, very fine- to fine-grained sandstone interbedded with carbonaceous siltstone and mudstone...Primary sedimentary structures include small-scale trough cross-stratification and wavy laminae; however, some of the original fabric has been altered by biogenic reworking." | |
| Environment: | fine channel fill |
| Geology comments: "a meandering distributary channel situated within the distal portion of a coastal floodplain." | |
Taphonomy
| Modes of preservation: | body,trace,soft parts |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | excellent |
| Associated major elements: | all |
| Fragmentation: | occasional |
| Bioerosion: | frequent |
| Feeding/predation traces: | arthropod boring |
Collection methods and comments
| Collection methods: | selective quarrying,surface (float),surface (in situ),field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 49619 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2005-04-20 13:59:44 | Last modified: | 2022-02-14 10:21:49 |
| Access level: | the public | Released: | 2005-04-20 13:59:44 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 62005. | D. K. Smith. 1997. Museum of Earth Science, Brigham Young University. In P. J. Currie & K. Padian (ed.), Encyclopedia of Dinosaurs 457-458 [M. Carrano/M. Carrano] |
Secondary references:
| 13289 | ETE | B. G. Anderson, R. E. Barrick, M. L. Droser and K. L. Stadtman. 1999. Hadrosaur skin impressions from the Upper Cretaceous Neslen Formation, Book Cliffs, Utah: morphology and paleoenvironmental context. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1 [M. Carrano/M. Carrano/M. Carrano] |
| 46099 | T. J. Thomson, R. B. Irmis, and M. A. Loewen. 2013. First occurrence of a tyrannosaurid dinosaur from the Mesaverde Group (Nelsen Formation) of Utah: implications for upper Campanian Laramidian biogeography. Cretaceous Research 43:70-79 [P. Mannion/J. Tennant/M. Carrano] |