Richardson's Ranch tracksite (Cretaceous of the United States)

Also known as Richardson Ranch

Where: Baca County, Colorado (37.1° N, 102.9° W: paleocoordinates 35.5° N, 63.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dakota Group, Late/Upper Albian (105.3 - 99.6 Ma)

• "...the stratigraphic horizon of origin of the two Richardson Ranch tracks is unknown."

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

• No description included within text of document

Size class: macrofossils

Preservation: mold/impression, trace

Collection methods: surface (in situ),

Primary reference: M. G. Lockley and A. P. Hunt. 1995. Dinosaur Tracks and Other Fossil Footprints of the Western United States xxi-338 [M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 77429: authorized by Matthew Carrano, entered by Steven Miller on 11.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia -
Ankylosauria indet. Osborn 1923 ankylosaur
trackways
 Ornithischia - Iguanodontipodidae
Caririchnium sp. Leonardi 1984 ornithopod
trackways
 Theropoda - Ornithomimipodidae
Magnoavipes sp. Lee 1997 coelurosaur
trackways