East Camarasaurus Quarry '93: Late/Upper Kimmeridgian - Early/Lower Tithonian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Dryosauridae
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Dryosaurus sp.
Marsh 1894
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2 individuals | |||||||||
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Reptilia
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Diplodocus sp.
Marsh 1878
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1 individual | |||||||||
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Reptilia
- Camarasauridae
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Camarasaurus grandis
(Marsh 1877)
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1 individual | |||||||||
| GMNH 101 | ||||||||||
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Reptilia
- Goniopholididae
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Crocodylia indet.
(Owen 1842)
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1 individual | |||||||||
| GMNH-PV-229 | ||||||||||
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= Amphicotylus milesi n. sp.
Yoshida et al. 2021
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Yoshida et al. 2021 | |||||||||
| GMNH-PV0000229 - holotype (nearly complete skeleton, missing only coronoids, left palpebral, proatlas, and some caudal vertebrae, left radiale, and some pedal phalanges) | ||||||||||
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Reptilia
- Testudines
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Testudines indet.
Batsch 1788
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1 individual | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Albany |
| Coordinates: | 42.0° North, 106.3° West (view map) | ||||
| Paleocoordinates: | 37.7° North, 52.6° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Key time interval: | Late/Upper Kimmeridgian - Early/Lower Tithonian | ||
| Age range of interval: | 152.20000 - 146.30000 m.y. ago |
Stratigraphy
| Formation: | Morrison | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: about 14 m above base of member, "Zone 2" | |||||
Lithology and environment
| Primary lithology: | fine,coarse cherty/siliceous sandstone |
| Secondary lithology: | concretionary mudstone |
| Includes fossils? | Y |
| Lithology description: "a poorly sorted, angular, fie- to coarse-grained sandstone, composed of 15% black chert" | |
| Environment: | "channel" |
Taphonomy
| Modes of preservation: | body,replaced with calcite,replaced with silica |
| Degree of concentration: | concentrated |
| Size of fossils: | macrofossils |
| Spatial orientation: | random |
| Preservation of anatomical detail: | excellent |
| Associated major elements: | some |
| Disassociated major elements: | some |
| Size sorting: | poor |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ),mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | ECQ, WY-86, Cam 1993 | ||
| Database number: | 47065 | ||
| Authorizer: | M. Carrano, P. Mannion | Enterer: | M. Carrano, P. Mannion |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2005-02-04 13:56:54 | Last modified: | 2023-08-23 15:46:05 |
| Access level: | the public | Released: | 2005-02-04 13:56:54 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 12534. | ETE | J. S. McIntosh, C. A. Miles, K. C. Cloward and J. R. Parker. 1996. A new nearly complete skeleton of Camarasaurus. Bulletin of the Gunma Museum of Natural History 1:1-87 [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] |
| 52132 | T. Ikejiri. 2005. Distribution and biochronology of Camarasaurus (Dinosauria, Sauropoda) from the Jurassic Morrison Formation of the Rocky Mountain region. In S. G. Lucas, K. E. Ziegler, V. W. Lueth, D. E. Owen (eds.), New Mexico Geological Society, 56th Field Conference, Geology of the Chama Basin. New Mexico Geological Society Guidebook 56:367-379 [M. Carrano/M. Carrano/P. Wagner] | |
| 14966 | ETE | C. A. Miles and D. W. Hamblin. 1999. Historical update: paleontological excavation in the Como Region. In J. H. Ostrom & J. S. McIntosh, Marsh's Dinosaurs. Yale University Press, New Haven vii-xiv [M. Carrano/M. Carrano] |
| 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] |
| 78848 | J. Yoshida, A. Hori, Y. Kobayashi, M. J. Ryan, Y. Takakuwa and Y. Hasegawa. 2021. A new goniopholidid from the Upper Jurassic Morrison Formation, USA: novel insight into aquatic adaptation toward modern crocodylians. Royal Society Open Science 8:210320:1-20 [P. Mannion/P. Mannion] |