Neslen Formation
| Neslen Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Formation |
| Unit of | Mesaverde Group |
| Underlies | Castlegate Sandstone |
| Overlies | Sego Sandstone |
| Thickness | ~100 meters |
| Lithology | |
| Primary | Mudstone, stilttone and sandstone |
| Other | Coal |
| Location | |
| Region | Utah |
| Country | United States |
The Upper Cretaceous Neslen Formation is a geologic formation in Utah. It preserves fossils dating back to the Cretaceous period. It has been exploited for coal.[1] The Kaiparowits Formation is closely associated.[1]
Two different types of dinosaur fossils have been reported from the formation. The first is a diagnostic tyrannosaurid foot,[2] the second being the type and only specimen of Rhinorex.[1]
See also
[edit]
References
[edit]- 1 2 3 Gates, Terry A.; Scheetz, Rodney (3 August 2015). "A new saurolophine hadrosaurid (Dinosauria: Ornithopoda) from the Campanian of Utah, North America". Journal of Systematic Palaeontology. 13 (8): 711–725. doi:10.1080/14772019.2014.950614.
- ↑ Thomson, Tracy J.; Irmis, Randall B.; Loewen, Mark A. (June 2013). "First occurrence of a tyrannosaurid dinosaur from the Mesaverde Group (Neslen Formation) of Utah: Implications for upper Campanian Laramidian biogeography". Cretaceous Research. 43: 70–79. doi:10.1016/j.cretres.2013.02.006.
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