Saints & Sinners Quarry, BYU loc. 1442 (Triassic of the United States)

Where: Uintah County, Utah (40.5° N, 109.2° W: paleocoordinates 15.7° N, 46.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Nugget Sandstone Formation, Late/Upper Triassic (237.0 - 201.3 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

• poorly cemented, clean sandstone; "three massive sandstone beds separated from each other by parting planes developed along mm-thick silty clay layers"; clay is green

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

Reptilia
 Saurischia -
Theropoda indet. Marsh 1881 theropod
teeth, vertebrae
Coelophysoidea indet. Holtz 1994 coelophysoid
 Saurischia - Eubrontidae
"Grallator sp." = Grallator (Eubrontes)
"Grallator sp." = Grallator (Eubrontes) Hitchcock 1845 theropod
 Pterosauria - Dimorphodontidae
Caelestiventus hanseni n. gen. n. sp.
Caelestiventus hanseni n. gen. n. sp. Britt et al. 2018 pterosaur
 Loricata -
 Rhynchocephalia -
Sphenodontia "indet. A" rhynchocephalian
Sphenodontia "indet. B" rhynchocephalian
 Diapsida - Drepanosauridae
Drepanosauridae indet. Berman and Reisz 1992 diapsid
Cycadeoideopsida
 Bennettitales -
Bennettitales indet. Bessey 1910
isolated fronds, rhachi, petioles ("Cycadeoidophyta")
 Ichnofossils -
Planolites sp. Nicholson 1873
Skolithos sp. Haldemann 1840