Nugget Sandstone
The Nugget Sandstone is a Late Triassic geologic formation that outcrops in Utah, western United States. Fossil theropod tracks have been reported from the formation.[1]
| Nugget Sandstone Stratigraphic range: Late Triassic to ? Early Jurassic | |
|---|---|
| Type | Geological formation |
| Underlies | Carmel Formation |
| Overlies | Chinle Formation |
| Thickness | 200 m |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Region | North America |
| Country |  |
| Extent | Utah |
Paleofauna
Intermediate theropod, sphenosuchian, drepanosaurid and sphenodontian remains are known.[2]
| Paleofauna reported from the Nugget Sandstone | ||||||
|---|---|---|---|---|---|---|
| Genus | Species | Material | Notes | Images | ||
| Caelestiventus[3] |
C. hanseni |
Most of the skull, a complete lower jaw, a finger bone |
A dimorphodontid pterosaur, the first known diagnostic pterosaur in North America. |
|||
See also
- List of pterosaur-bearing stratigraphic units
- List of dinosaur-bearing rock formations
Footnotes
- Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- B. B. Britt, D. J. Chure, G. F. Engelmann and J. D. Shumway. 2016. Rise of the erg—paleontology and paleoenvironments of the Triassic-Jurassic transition in northeastern Utah. Geology of the Intermountain West 3:1-32 [M. Carrano/M. Carrano]
- Brooks B. Britt; Fabio M. Dalla Vecchia; Daniel J. Chure; George F. Engelmann; Michael F. Whiting; Rodney D. Scheetz (2018). "Caelestiventus hanseni gen. et sp. nov. extends the desert-dwelling pterosaur record back 65 million years". Nature Ecology & Evolution. in press. doi:10.1038/s41559-018-0627-y. PMID 30104753.
References
- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
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