Where: Grand County, Colorado (40.0° N, 106.6° W: paleocoordinates 35.6° N, 53.2° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Morrison Formation, Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial
Size class: macrofossils
Collection methods: surface (float),
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 70027: authorized by Matthew Carrano, entered by Matthew Carrano on 14.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Allosaurus sp. Marsh 1877 allosauroid |