Oak Hill tracksite: Early/Lower Sinemurian, Virginia
collected by C. Gilmore & N. Boss 1920, 1926
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Theropoda
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Dinosauria indet.
(Owen 1842)
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1 individual | |||||||||
| tridactyl footprints; USNM V 10912 | ||||||||||
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= Theropoda indet.
Marsh 1881
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Weishampel et al. 2004 | |||||||||
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Reptilia
- Theropoda
- Grallatoridae
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Grallator cuneatus
Hitchcock 1858
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Pannell 1986 | |||||||||
| synonym of Grallator tenuis | ||||||||||
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Grallator formosus
Hitchcock 1858
|
Pannell 1986 | |||||||||
| synonym of Grallator tenuis | ||||||||||
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Anchisauripus tuberosus
(Hitchcock 1836)
|
Baird 1957 | 1 specimen | ||||||||
| recombined as Grallator tuberosus | ||||||||||
| MCZ 236 | ||||||||||
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Eubrontes giganteus
(Hitchcock 1836)
|
Pannell 1986 | |||||||||
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Eubrontes approximus
(Hitchcock 1865)
|
Pannell 1986 | |||||||||
| synonym of Eubrontes giganteus | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Loudoun |
| Coordinates: | 39.0° North, 77.6° West (view map) | ||||
| Paleocoordinates: | 21.1° North, 21.8° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Sinemurian | 10 m.y. bin: | Jurassic 1 |
| Key time interval: | Early/Lower Sinemurian | ||
| Age range of interval: | 199.50000 - 192.90000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | wave ripples,red siltstone |
| Includes fossils? | Y |
| Lithology description: "a bed of red siltstone and shale with wavy bedding, ripple marks, and slump features, which appears to be of fluvial origin" | |
| Environment: | fine channel fill |
Taphonomy
| Modes of preservation: | cast,mold/impression,trace |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Preservation of anatomical detail: | good |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,surface (float),surface (in situ),field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | C. Gilmore & N. Boss | Collection dates: | 1920, 1926 |
Metadata
| Also known as: | Aldie, Littleton Farm, Monroe | ||
| Database number: | 104029 | ||
| Authorizer: | M. Uhen, M. Carrano | Enterer: | M. Uhen, M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2011-02-05 02:06:06 | Last modified: | 2023-06-14 15:27:50 |
| Access level: | the public | Released: | 2011-02-05 02:06:06 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 54204. | Anonymous. 1923. Footprints in the sands of time. Science 56 (supp.)(1500):xii-xiii [M. Carrano/M. Carrano] |
Secondary references:
| 12444 | ETE | D. Baird. 1957. Triassic reptile footprint faunules from Milford, New Jersey. Bulletin of the Museum of Comparative Zoology 117(5):449-520 [M. Carrano/M. Carrano/M. Carrano] |
| 77283 | W. Bock. 1959. New eastern American Triassic fishes and Triassic correlations. Geological Center Research Studies 1:1-139 [M. Carrano/M. Carrano/M. Carrano] | |
| 35030 | C. W. Gilmore. 1925. Collecting fossil footprints in Virginia. Smithsonian Miscellaneous Collections 76:16-18 [M. Uhen/M. Uhen/M. Carrano] | |
| 83022 | P. J. W. Gore. 1989. Stop 4.4: Dinosaur tracks at Oak Hill. In P. E. Olsen, R. W. Schlische, & P. J. W. Gore (eds.), Tectonic, Depositional, and Paleoecological History of Early Mesozoic Rift Basins, Eastern North America. Gulf, North Carolina, USA to Parrsboro, Nova Scotia, Canada. July 20–30, 1989. International Geological Congress Field Trip T-351 66-67 [M. Carrano/M. Carrano] | |
| 55917 | K. Pannell. 1986. Dinosaur footprints at Oak Hill, Virginia. In D. D. Gillette (ed.), First International Symposium on Dinosaur Tracks and Traces, Abstracts with Program 22 [M. Carrano/M. Carrano/M. Carrano] | |
| 50062 | R. E. Weems and P. G. Kimmel. 1993. Upper Triassic reptile footprints and a coelacanth fish scale from the Culpeper Basin, Virginia. Proceedings of the Biological Society of Washington 16(2):390-401 [M. Carrano/M. Carrano] | |
| 23520 | ETE | D. B. Weishampel, P. M. Barrett, R. A. Coria, J. Le Loeuff, X. Xu, X. Zhao, A. Sahni, E. M. P. Gomani, and C. R. Noto. 2004. Dinosaur distribution. In D. B. Weishampel, H. Osmolska, and P. Dodson (eds.), The Dinosauria (2nd edition). University of California Press, Berkeley 517-606 [M. Carrano/M. Carrano] |
| 85047 | D. B. Weishampel and L. Young. 1996. Dinosaurs of the East Coast xiii-275 [M. Carrano/M. Carrano] |