right bank, Sand Creek (150 ft level) [AMNH] (Cretaceous of Canada)

Where: Alberta, Canada (50.7° N, 111.6° W: paleocoordinates 57.9° N, 75.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Oldman Formation (Belly River Group), Campanian (83.6 - 72.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Brown & Kaisen in 1914; reposited in the AMNH

Primary reference: D. A. Russell. 1970. Tyrannosaurs from the Late Cretaceous of western Canada. National Museum of Natural Sciences, Publications in Paleontology 1:1-34 [M. Carrano/M. Carrano/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52484: authorized by Matthew Carrano, entered by Matthew Carrano on 08.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda - Tyrannosauridae
"Albertosaurus libratus" = Gorgosaurus libratus
"Albertosaurus libratus" = Gorgosaurus libratus Lambe 1914 tyrannosaurid
AMNH 5458; field no. 23