Dinosaur Ridge I-70 section (0.0) (Jurassic to of the United States)

Where: Jefferson County, Colorado (39.7° N, 105.2° W: paleocoordinates 35.2° N, 52.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: channel lag; conglomerate

• "a conglomeratic lag of quartz granules, mudstone chips, and dinosaur bone fragments"

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: K. J. Houck. 2001. Sedimentology and stratigraphy of the Morrison Formation in the Dinosaur Ridge area near Morrison, Colorado. The Mountain Geologist 38(3):97-110 [M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 55195: authorized by Matthew Carrano, entered by Kaitlin Maguire on 28.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Dinosauria -
Dinosauria indet.