Cactus Park Quarry 3A (CU-Denver) (Jurassic to of the United States)

Where: Mesa County, Colorado (38.9° N, 108.5° W: paleocoordinates 35.0° N, 55.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Brushy Basin Member (Morrison Formation), Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; lithology not reported

• poorly drained floodplain

Size class: macrofossils

Collection methods: quarrying,

Primary reference: J. R. Foster. 2003. Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A. New Mexico Museum of Natural History and Science Bulletin 23:1-95 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 70031: authorized by Matthew Carrano, entered by Matthew Carrano on 14.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia - Camarasauridae
Camarasaurus sp. Cope 1877 camarasaurid
 Avetheropoda - Allosauridae
Allosaurus sp. Marsh 1877 allosaurid