Arnold farm, OMNH V67 (Cretaceous of the United States)

Also known as Acrocanthosaurus paratype site

Where: Atoka County, Oklahoma (34.2° N, 95.8° W: paleocoordinates 31.9° N, 49.1° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Antlers Formation (Trinity Group), Aptian (125.0 - 113.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray, yellow sandstone and gray claystone

• author debates interpretations as "beach sand" versus a more "hinterland" origin
• "fine yellow sand which locally contained masses of light gray clay nodules"

Size class: macrofossils

Collection methods: quarrying, mechanical,

Primary reference: J. W. Stovall and W. Langston, Jr. 1950. Acrocanthosaurus atokensis, a new genus and species of Lower Cretaceous Theropoda from Oklahoma. American Midland Naturalist 43(4):686-728 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 25148: authorized by Matthew Carrano, entered by Matthew Carrano on 29.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

 Avetheropoda - Carcharodontosauridae
Acrocanthosaurus atokensis Stovall and Langston 1950 allosauroid
M.U.O. 8-0-S8