Jensen/Jensen Quarry, DNM (Jurassic to of the United States)

Also known as UT-12, Dinosaur National Monument

Where: Utah (40.4° N, 109.2° W: paleocoordinates 36.5° N, 55.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)

• "basal Brushy Basin Member sediments of the Morrison Formation near Jensen, Utah"

• bed-level stratigraphic resolution

Environment/lithology: "channel"; lithology not reported

Size class: macrofossils

• "several brachiosaur elements including a rib 2.75 m (9 ft) long (Fig. 6B), a distal cervical vertebra, the proximal half of a scapula, and a coracoid"

Collected by J. A. Jensen in 1960

Collection methods: quarrying, surface (in situ),

Primary reference: J. A. Jensen. 1987. New brachiosaur material from the Late Jurassic of Utah and Colorado. Great Britain Naturalist 47(4):592-608 [M. Carrano/M. Oreska]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 96826: authorized by Matthew Carrano, entered by Matthew Oreska on 01.07.2010, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia - Diplodocidae
Apatosaurus sp. Marsh 1877 diplodocid
 Saurischia - Camarasauridae
Camarasaurus sp. Cope 1877 camarasaurid
 Saurischia - Brachiosauridae
Brachiosaurus sp. Riggs 1903 brachiosaurid
rib, cervical vertebra, scapula, coracoid