Dolores Valley tracksite (CU-MWC 155): Rhaetian, Colorado
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Grallatoridae
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Grallator sp.
Hitchcock 1858
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2 individuals | |||||||||
| CU-MWC 155.54, 155.55 | ||||||||||
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Reptilia
- Chirotheriidae
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Brachychirotherium sp.
Beurlen 1950
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1 individual | |||||||||
| CU-MWC 155.56 | ||||||||||
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unclassified
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Synapsida indet.
(Osborn 1903)
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2 individuals | |||||||||
| CU-MWC 155.54, 155.55 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Colorado | County: | Mesa |
| Coordinates: | 38.6° North, 108.9° West (view map) | ||||
| Paleocoordinates: | 17.2° North, 48.2° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Late/Upper Triassic |
| Stage: | Rhaetian | 10 m.y. bin: | Triassic 4 |
| Key time interval: | Rhaetian | ||
| Age range of interval: | 208.50000 - 201.40000 m.y. ago |
Stratigraphy
| Geological group: | Glen Canyon | Formation: | Wingate Sandstone |
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | sandstone |
| Includes fossils? | Y |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | mold/impression,trace |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Associated major elements: | some |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | surface (float),observed (not collected) |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Also known as: | Gateway | ||
| Database number: | 193012 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2018-05-03 15:09:14 | Last modified: | 2018-05-03 15:14:00 |
| Access level: | the public | Released: | 2018-05-03 15:09:14 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 65632. | M. G. Lockley, S. G. Lucas, A. P. Hunt and R. Gaston. 2004. Ichnofaunas from the Triassic-Jurassic boundary sequences of the Gateway area, western Colorado: implications for faunal composition and correlations with other areas. Ichnos 11:89-102 [M. Carrano/M. Carrano] |
Secondary references:
| 65483 | S. G. Lucas, M. G. Lockley, A. P. Hunt and L. H. Tanner. 2006. Biostratigraphic significance of tetrapod footprints from the Triassic-Jurassic Wingate Sandstone on the Colorado Plateau. In J. D. Harris, S. G. Lucas, J. A. Spielmann, M. G. Lockley, A. R. C. Milner, & J. I. Kirkland (eds.), The Triassic-Jurassic Terrestrial Transition. New Mexico Museum of Natural History and Science Bulletin 37:109-117 [M. Carrano/M. Carrano] |