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 stated in text

• small collection-level geographic resolution

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

• lower part of member

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; green mudstone

• poorly drained floodplain
• "green smectitic mudstone"

Size classes: macrofossils, microfossils

Collected by A. Hunt

Collection methods: quarrying,

Primary reference: S. G. Lucas and J. I. Kirkland. 1998. Preliminary report on Conchostraca from the Upper Jurassic Morrison Formation, western United States. Modern Geology 22:415-422 [T. Hegna/M. Pankowski/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

Show authors, comments, and common names
Branchiopoda
 Diplostraca - Lioestheriidae
Lioestheria "sp. A", Lioestheria "sp. B"
Lioestheria "sp. A" Deperet and Mazeran 1912 clam shrimp
Lioestheria "sp. B" Deperet and Mazeran 1912 clam shrimp
Reptilia
 Theropoda -
Allosaurus sp.
Allosaurus sp. Marsh 1877 allosauroid
 Saurischia - Camarasauridae
Camarasaurus sp.
Camarasaurus sp. Cope 1877 camarasaurid