Ninemile Hill: Early/Lower Tithonian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Dipnoi
- Ceratodontidae
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Ceratodus sp.
Agassiz 1838
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Foster 2003 | |||||||||
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Docodonta
- Docodontidae
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Docodon sp.
Marsh 1881
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Foster 2003 | |||||||||
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Mammalia
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Mammalia indet.
Linnaeus 1758
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Foster 2003 | |||||||||
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Mammalia
- Dryolestidae
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Dryolestes sp.
Marsh 1878
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Foster 2003 | |||||||||
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Laolestes sp.
Simpson 1927
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Foster 2003 | |||||||||
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Mammalia
- Multituberculata
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Multituberculata indet.
Cope 1884
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Foster 2003 | |||||||||
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Mammalia
- Multituberculata
- Allodontidae
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Psalodon sp.
Simpson 1926
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Foster 2003 | |||||||||
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Ctenacodon sp.
Marsh 1879
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Foster 2003 | |||||||||
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Reptilia
- Testudines
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Chelonia indet.
(Latreille 1800)
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Foster 2003 | |||||||||
| synonym of Testudines | ||||||||||
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Reptilia
- Pleurosternidae
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Glyptops sp.
Marsh 1890
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Foster 2003 | |||||||||
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Dinochelys sp.
Gaffney 1979
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Foster 2003 | |||||||||
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Reptilia
- Lacertilia
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Lacertilia indet.
Owen 1842
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Foster 2003 | |||||||||
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Reptilia
- Sphenodontia
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Sphenodontia indet.
(Jaekel 1910)
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Foster 2003 | |||||||||
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Reptilia
- Cteniogenyidae
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Cteniogenys antiquus
Gilmore 1928
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Foster and Trujillo 2000 | |||||||||
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Reptilia
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Allosaurus sp.
Marsh 1877
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Foster 2003 | |||||||||
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Drinker sp.
Bakker et al. 1990
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1 specimen | |||||||||
| synonym of Nanosaurus | ||||||||||
| tooth | ||||||||||
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Reptilia
- Camarasauridae
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Camarasaurus sp.
Cope 1877
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Foster 2003 | |||||||||
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Reptilia
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Diplodocus sp.
Marsh 1878
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Foster 2003 | |||||||||
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Reptilia
- Crocodylia
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Crocodylia indet.
(Owen 1842)
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Foster 2003 | |||||||||
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Amphibia
- Temnospondyli
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Caudata indet.
Scopoli 1777
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Foster 2003 | |||||||||
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Actinopterygii
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Actinopterygii indet.
Cope 1887
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Foster 2003 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Carbon |
| Coordinates: | 42.0° North, 106.1° West (view map) | ||||
| Paleocoordinates: | 38.0° North, 52.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Tithonian | 10 m.y. bin: | Jurassic 6 |
| Key time interval: | Early/Lower Tithonian | ||
| Age range of interval: | 149.20000 - 146.30000 m.y. ago |
Stratigraphy
| Formation: | Morrison | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: < 1 m below contact of approx. 15-m-thick unit of dark gray mudstone marking top of Morrison; total unit thickness here = 143 m | |||||
Lithology and environment
| Primary lithology: | gray claystone |
| Includes fossils? | Y |
| Environment: | wet floodplain |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | concentrated |
| Size of fossils: | macrofossils,mesofossils |
| Disassociated major elements: | many |
| Disassociated minor elements: | many |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | bulk,selective quarrying,surface (float),surface (in situ),mechanical,sieve,field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | UW |
Metadata
| Also known as: | UW V-98046, WY-82 | ||
| Database number: | 56654 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | ||
| Created: | 2005-11-21 14:38:50 | Last modified: | 2023-08-23 15:45:53 |
| Access level: | the public | Released: | 2005-11-21 14:38:50 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 13281. | ETE | C. E. Turner and F. Peterson. 1999. Biostratigraphy of dinosaurs in the Upper Jurassic Morrison Formation of the Western Interior, U.S.A. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:77-114 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 15179 | ETE | J. R. Foster. 2003. Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A. New Mexico Museum of Natural History and Science Bulletin 23:1-95 [M. Carrano/M. Carrano] |
| 15142 | ETE | J. R. Foster and K. C. Trujillo. 2000. New occurrences of Cteniogenys (Reptilia, Choristodera) in the Late Jurassic of Wyoming and South Dakota. Brigham Young University Geology Studies 45:11-18 [M. Carrano/M. Carrano] |
| 46097 | J. R. Foster, K. C. Trujillo, S. K. Madsen and J. E. Martin. 2006. The Late Jurassic mammal Docodon, from the Morrison Formation of The Black Hills, Wyoming: implications for abundance and biogeography of the genus. In J. R. Foster & S. G. Lucas (ed.), Paleontology and Geology of the Upper Jurassic Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 36:165-169 [P. Mannion/J. Tennant/M. Carrano] |