Sloan Canyon tracksite (Sheep Pen Fm.): Norian, New Mexico
collected by W. Wheeler 1993
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Otozoidae
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Pseudotetrasauropus sp.
Ellenberger 1965
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1 individual | |||||||||
| 3 tracks | ||||||||||
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= Evazoum sirigui
Nicosia and Loi 2003
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Hunt and Lucas 2007 | |||||||||
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Reptilia
- Theropoda
- Grallatoridae
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Grallator sp.
Hitchcock 1858
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11 individuals | |||||||||
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= Grallator cursorius
Hitchcock 1858
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Hunt and Lucas 2007 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | Union |
| Coordinates: | 36.9° North, 103.2° West (view map) | ||||
| Paleocoordinates: | 11.8° North, 42.6° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| 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 | ||||
| Stratigraphy comments: upper part of formation, 1.75 m below contact w/overlying Entrada Sandstone | |||||
Lithology and environment
| Primary lithology: | current ripples,bioturbation,brown sandstone |
| Includes fossils? | Y |
| Lithology description: "a brown, ripple-marked and bioturbated sandstone" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | mold/impression,trace |
| Degree of concentration: | concentrated |
| Size of fossils: | mesofossils |
| Spatial orientation: | life position |
| Associated major elements: | some |
| Disassociated major elements: | some |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | surface (float),surface (in situ),observed (not collected) | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | W. Wheeler | Collection dates: | 1993 |
Metadata
| Database number: | 84023 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2008-09-15 14:54:44 | Last modified: | 2016-05-27 16:02:01 |
| Access level: | the public | Released: | 2008-09-15 14:54:44 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 28150. | ETE | M. G. Lockley, V. F. Santos, and A. P. Hunt. 1993. A new Late Triassic tracksite from the Sheep Pen Sandstone, Sloan Canyon, Cimarron Valley, New Mexico. In S. G. Lucas and M. Morales (eds.), The Nonmarine Triassic. New Mexico Museum of Natural History and Science Bulletin 3:285-288 [M. Carrano/M. Carrano] |
Secondary references:
| 31825 | A. P. Hunt and S. G. Lucas. 1993. Triassic vertebrate paleontology and biochronology of New Mexico. In S. G. Lucas & J. Zidek (ed.), Vertebrate Paleontology in New Mexico. New Mexico Museum of Natural History and Science Bulletin 2:49-60 [R. Butler/R. Butler/M. Carrano] | |
| 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] |
| 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] |