Where: Uintah County, Utah (40.5° N, 109.2° W: paleocoordinates 18.9° N, 48.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Nugget Sandstone Formation, Late/Upper Triassic to Late/Upper Triassic (237.0 - 174.7 Ma)
• three distinct beds; lower part of the Nugget Sandstone
• group of beds-level stratigraphic resolution
Environment/lithology: interdune; massive sandstone and green, silty claystone
Size classes: macrofossils, mesofossils
Preservation: cast, mold/impression, trace
Collected by Engelmann, Chure, Britt in 2007–
Collection methods: quarrying, surface (in situ),
Primary reference: 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]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 183201: authorized by Matthew Carrano, entered by Matthew Carrano on 07.12.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Bennettitales | |
| |
Reptilia | |
Drepanosauridae indet. Berman and Reisz 1992 diapsid | |
Sphenosuchia "indet. A" crocodilian
Sphenosuchia "indet. B" crocodilian | |
| |
Grallator sp. Hitchcock 1858 theropod | |
Coelophysoidea indet. Holtz 1994 coelophysoid | |
Caelestiventus hanseni n. gen. n. sp.
Caelestiventus hanseni n. gen. n. sp. Britt et al. 2018 pterosaur | |
Sphenodontia "indet. A" Jaekel 1910 lepidosaur
Sphenodontia "indet. B" Jaekel 1910 lepidosaur | |
Skolithos sp. Haldemann 1840
Planolites sp. Nicholson 1873 |