Three Corners tracksite (lower): Norian, Colorado
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Grallatoridae
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Grallator (Grallator) sp.
Olsen and Galton 1984
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= Grallator cursorius
Hitchcock 1858
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Hunt and Lucas 2007 | ||||||
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Reptilia
- Chirotheriidae
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? Brachychirotherium sp.
Beurlen 1950
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Hunt and Lucas 2007 | ||||||
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unclassified
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Scoyenia cf. gracilis
White 1929
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Colorado | County: | Las Animas |
| Coordinates: | 37.0° North, 103.0° West (view map) | ||||
| Paleocoordinates: | 11.8° North, 42.4° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Late/Upper Triassic |
| Stage: | Norian | 10 m.y. bin: | Triassic 4 |
| Key time interval: | Norian | ||
| Age range of interval: | 227.00000 - 208.50000 m.y. ago |
Stratigraphy
| Geological group: | Chinle | Formation: | Sheep Pen Sandstone |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | burrows sandstone |
| Includes fossils? | Y |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | mold/impression,trace |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | surface (in situ),observed (not collected) |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Tucker Ranch | ||
| Database number: | 84185 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2008-09-23 12:37:45 | Last modified: | 2018-04-18 15:01:51 |
| Access level: | the public | Released: | 2008-09-23 12:37:45 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 65433. | K. L. Conrad, M. G. Lockley, and N. K. Prince. 1987. Triassic and Jurassic vertebrate-dominated trace fossil assemblages of the Cimarron Valley region: implications for paleoeology and biostratigraphy. In S. G. Lucas & A. P. Hunt (ed.), New Mexico Geological Society 38th Annual Fall Field Conference, Northeastern New Mexico. New Mexico Geological Society Guidebook 38:127-138 [M. Carrano/M. Carrano] |
Secondary references:
| 27985 | ETE | A. P. Hunt and S. G. Lucas. 2007. Late Triassic tetrapod tracks of western North America. In S. G. Lucas & J. A. Spielmann (eds.), Triassic of the American West. New Mexico Museum of Natural History and Science Bulletin 40:215-230 [M. Carrano/M. Carrano] |
| 61886 | M. G. Lockley and A. P. Hunt. 1995. Dinosaur Tracks and Other Fossil Footprints of the Western United States xxi-338 [M. Carrano/M. Carrano] | |
| 43968 | M. G. Lockley, S. G. Lucas, and A. P. Hunt. 2000. Dinosaur tracksites in New Mexico: a review. In S. G. Lucas and A. B. Heckert (eds.), Dinosaurs of New Mexico. New Mexico Museum of Natural History and Science Bulletin 7:9-16 [M. Carrano/M. Carrano] |