Dominguez/Jones Quarry (Jurassic of the United States)

Also known as CO-56

Where: Mesa County, Colorado (38.8° N, 108.4° W: paleocoordinates 34.2° N, 54.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Kimmeridgian (157.3 - 152.1 Ma)

• approx. 10 m above base of Brushy Basin Member, Morrison Fm.

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; gray, green mudstone

• "...The skeletons were buried near their death site in...a relatively quiet depositional environment an unknown distance from intermittent levee overwash during burial. No lenticular sandstones were present adjacent to the skeleton, or nearby on the same horizon..."...considered a poorly drained floodplain by Foster (2003)
• "well-graded (now), pale green sediments"

Size class: macrofossils

Collected by D. Jones, V. Jones, & J. A. Jensen in 1967

Collection methods: quarrying, surface (in situ), mechanical,

• Discovered by Daniel E. and Vivian Jones, from Delta, Colo.

Primary reference: J. A. Jensen. 1968. Withdrawing an old deposit from a national treasury. Our Public Lands 18(1):14-17 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35293: authorized by Matthew Carrano, entered by Matthew Carrano on 25.11.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia -
Sauropoda indet. sauropod
"second unknown sauropod (to be described elsewhere)"; "a sauropod somewhat larger than Camarasaurus"
 Saurischia - Camarasauridae
"Cathetosaurus lewisi n. gen. n. sp." = Camarasaurus lewisi
"Cathetosaurus lewisi n. gen. n. sp." = Camarasaurus lewisi Jensen 1988 camarasaurid
BYU-VP 9047; "a new species"