UCM 83268, Steele Butte: Early/Lower Campanian, Utah
collected by J. G. Eaton
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Ptychotrigon sp.
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1 specimen | |||||||||
| tooth | ||||||||||
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Reptilia
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Naomichelys sp.
Hay 1908
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1 fragment | |||||||||
| carapace fragment | ||||||||||
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Reptilia
- Testudines
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Chelonia indet.
(Latreille 1800)
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2 individuals | |||||||||
| synonym of Testudines | ||||||||||
| 1 carapace fragment. Fossil from second individual unstated | ||||||||||
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Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
(Gray 1825)
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1 fragment | |||||||||
| carapace fragment | ||||||||||
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Reptilia
- Testudines
- Adocidae
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Adocus sp.
Cope 1868
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1 fragment | |||||||||
| carapace fragment | ||||||||||
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Reptilia
- Testudines
- Nanhsiungchelyidae
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Basilemys sp.
Hay 1902
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1 fragment | |||||||||
| carapace fragment | ||||||||||
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Reptilia
- Hadrosauridae
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Hadrosauridae indet.
Cope 1869
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1 specimen | |||||||||
| tooth partial | ||||||||||
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Reptilia
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Saurischia indet.
(Seeley 1888)
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1 specimen | |||||||||
| tooth partial | ||||||||||
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Actinopteri
- Amiiformes
- Amiidae
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Amiidae indet.
Huxley 1861
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1 specimen | |||||||||
| vertebra | ||||||||||
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Chondrichthyes
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Chondrichthyes indet.
Huxley 1880
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2 individuals | |||||||||
| teeth; teeth fragments | ||||||||||
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Chondrichthyes
- Chimaeriformes
- Chimaeridae
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Chimaeridae indet.
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2 individuals | |||||||||
| 4 teeth from one individual, ~20 teeth from the other | ||||||||||
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Chondrichthyes
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Batoidea indet.
()
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2 individuals | |||||||||
| 1 tooth from each individual | ||||||||||
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Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Hybodus sp.
Agassiz 1834
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2 individuals | |||||||||
| scales; teeth | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Utah | County: | Garfield |
| Coordinates: | 38.1° North, 110.9° West (view map) | ||||
| Paleocoordinates: | 45.9° North, 81.8° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Early/Lower Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Lithology and environment
| Primary lithology: | "cross stratification" sandstone |
| Secondary lithology: | carbonaceous mudstone |
| Lithology description: "The base of the lower member consists of 13-66 ft (4-20 m) of coal and carbonaceous shale, commonly divided by thin ripple-laminated sandstones. The coal zone is overlain by 131 ft (40 m) of trough cross-stratified sandstones and associated flood-basin carbonaceous mudstones" | |
| Environment: | "floodplain" |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils |
| Fragmentation: | frequent |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Collectors: | J. G. Eaton |
Metadata
| Database number: | 167530 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2015-03-20 12:42:44 | Last modified: | 2015-03-20 14:03:10 |
| Access level: | the public | Released: | 2015-03-20 12:42:44 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 25625. | ETE | J. G. Eaton. 1990. Stratigraphic revision of Campanian (Upper Cretaceous) rocks in the Henry Basin, Utah. The Mountain Geologist 27(1):27-38 [M. Carrano/M. Carrano] |