Big Valley (AMNH 5201) (Cretaceous of Canada)

Also known as Red Deer River

Where: Alberta, Canada (51.9° N, 113.0° W: paleocoordinates 59.6° N, 84.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Tolman Member (Horseshoe Canyon Formation), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• "Edmonton B", "250 feet below boulder clay"

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Collected by B. Brown & Kaisen in 1910; reposited in the AMNH

Collection methods: surface (in situ), mechanical,

Primary reference: B. Brown. 1914. Cretaceous Eocene correlation in New Mexico, Wyoming, Montana, Alberta. Bulletin of the Geological Society of America 25:355-380 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52468: authorized by Matthew Carrano, entered by Matthew Carrano on 08.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Hadrosauridae
Hadrosauridae indet.1 Cope 1869 hadrosaurid
AMNH 5200, 5202
 Theropoda - Ornithomimidae
Dromiceiomimus brevitertius2 Parks 1926 ornithomimid
AMNH 5201; field no. 4
 Loricata -
"Crocodilia indet." = Crocodylia
"Crocodilia indet." = Crocodylia Owen 1842 crocodilian
occipital condyle
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
vertebrae
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle