Calico Gulch Dinosaur Quarry (Jurassic to of the United States)

Also known as Lily Park

Where: Moffat County, Colorado (40.5° N, 108.4° W: paleocoordinates 36.4° N, 54.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; sandstone

Size class: macrofossils

• dermestid marks on bones; trampling and weathering evident on associated bones but rare in articulated specimens

Preservation: trace

Collected by J. Jensen in 1955, 1976

Collection methods: quarrying, mechanical,

Primary reference: P. M. Galton and J. A. Jensen. 1979. A new large theropod dinosaur from the Upper Jurassic of Colorado. Brigham Young University Geology Studies 26(1):1-12 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 25141: authorized by Matthew Carrano, entered by Matthew Carrano on 29.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

 Testudines -
Testudines indet.4 Batsch 1788 turtle
 Ornithischia - Dryosauridae
Dryosaurus altus3 Marsh 1878 ornithopod
CM 21786
 Ornithischia - Stegosauridae
Stegosaurus sp.4 Marsh 1877 ornithischian
 Saurischia - Diplodocidae
Diplodocus sp.2 Marsh 1878 diplodocine
 Saurischia - Camarasauridae
Camarasaurus sp.2 Cope 1877 camarasaurid
 Theropoda -
Allosaurus sp.4 Marsh 1877 allosauroid
 Theropoda - Spinosauridae
Spinosauridae indet.1 Stromer 1915 tetanuran theropod
BYU 2020
 Pterosauria -
Pterosauria indet.4 Kaup 1834 pterosaur
 Crocodylia -
Crocodylia indet.4 Owen 1842 crocodilian
 Coleoptera - Dermestidae
Dermestidae indet.4 Latreille 1804 skin beetle
trace fossils