Upper Strickland Creek Quarry: Kimmeridgian, Montana
collected 1995–2015
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
unclassified
|
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Amphicoelias sp.
Cope 1877
|
1 individual | |||||||||
| MOR 592 | ||||||||||
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= Dicraeosauridae indet.
|
Whitlock and Wilson Mantilla 2020 | |||||||||
|
Reptilia
- Testudines
|
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Chelonia indet.
(Latreille 1800)
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Foster 2003 | 1 individual | ||||||||
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Reptilia
- Theropoda
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Theropoda indet.
(Marsh 1881)
|
Maidment et al. 2018 | 1 specimen | ||||||||
| caudal vertebra | ||||||||||
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Allosaurus sp.
Marsh 1877
|
Turner and Peterson 1999 | 1 individual | ||||||||
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Reptilia
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Ornithopoda indet.
(Marsh 1881)
|
Maidment et al. 2018 | |||||||||
| large partial femur, dorsal vertebra; small ischium, phalanges | ||||||||||
|
Reptilia
- Stegosauridae
|
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Hesperosaurus mjosi
Carpenter et al. 2001
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Maidment et al. 2018 | 1 individual | ||||||||
| MOR 9728 | ||||||||||
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Reptilia
- Camarasauridae
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Camarasaurus sp.
Cope 1877
|
Maidment et al. 2018 | |||||||||
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Reptilia
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Apatosaurus sp.
Marsh 1877
|
Maidment et al. 2018 | |||||||||
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Diplodocidae indet.
Marsh 1884
|
Turner and Peterson 1999 | 1 individual | ||||||||
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= Diplodocus sp.
Marsh 1878
|
Foster 2003 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana | County: | Park |
| Coordinates: | 45.5° North, 110.6° West (view map) | ||||
| Paleocoordinates: | 41.1° North, 54.6° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Late Jurassic |
| Stage: | Kimmeridgian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Kimmeridgian | ||
| Age range of interval: | 154.8 - 149.2 m.y. ago |
Stratigraphy
| Formation: | Morrison |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | current ripples,"cross stratification",fine conglomeratic sandstone |
| Secondary lithology: | gray siltstone |
| Includes fossils? | Y |
| Lithology description: "dull gray and purplish siltstones interbedded with laterally discontinuous fine-grained to conglomeratic sandstones. The uppermost sandstone contains decimeter-scale trough cross-beds and ripple cross-lamination in its upper parts." | |
| Environment: | coarse channel fill |
| Geology comments: poorly drained floodplain | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Associated major elements: | some |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | biostratigraphic analysis | Collection dates: | 1995–2015 |
Metadata
| Also known as: | MT-2, O'Hair Quarry | ||
| Database number: | 49624 | ||
| Authorizer: | M. Carrano, P. Mannion | Enterer: | M. Carrano, P. Mannion |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2005-04-20 20:49:20 | Last modified: | 2021-06-16 05:06:55 |
| Access level: | the public | Released: | 2005-04-20 20:49:20 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 15193. | ETE | J. A. Wilson and M. B. Smith. 1996. New remains of Amphicoelias Cope (Dinosauria: Sauropoda) from the Upper Jurassic of Montana and diplodocoid phylogeny. Journal of Vertebrate Paleontology 16(3, suppl.):73A [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] |
| 65628 | S. C. R. Maidment, D. C. Woodruff, and J. R. Horner. 2018. A new specimen of the ornithischian dinosaur Hesperosaurus mjosi from the Upper Jurassic Morrison Formation of Montana, U.S.A., and implications for growth and size in Morrison stegosaurs. Journal of Vertebrate Paleontology 38(1):e1406366:1-22 [M. Carrano/M. Carrano] | |
| 77168 | P. D. Mannion, E. Tschopp, and J. A. Whitlock. 2021. Anatomy and systematics of the diplodocoid Amphicoelias altus supports high sauropod dinosaur diversity in the Upper Jurassic Morrison Formation of the USA. Royal Society Open Science 8:210377:1-33 [P. Mannion/P. Mannion] | |
| 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] |
| 75066 | J. A. Whitlock and J. A. Wilson Mantilla. 2020. The Late Jurassic sauropod dinosaur ‘Morosaurus’ agilis Marsh, 1889 reexamined and reinterpreted as a dicraeosaurid. Journal of Vertebrate Paleontology 40(5):e1780600:1-28 [P. Mannion/P. Mannion/M. Carrano] |