OMNH V611 (Cretaceous to of the United States)

Also known as Caddo, Atoka

Where: Atoka County, Oklahoma (34.2° N, 96.3° W: paleocoordinates 31.8° N, 51.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Antlers Formation (Trinity Group), Late/Upper Aptian to Late/Upper Aptian (122.5 - 109.0 Ma)

• "upper bed" of the "Trinity sandstone"

• bed-level stratigraphic resolution

Environment/lithology: coastal; yellow sandstone and yellow, sandy claystone

• "Most of this material bears evidence of being derived from adjoining rocks which formed the shore of the Cretaceous Sea...Everything points toward deposition in shallow turbulent water."
• White and yellow sand much cross-bedded and containing lentils of yellow sandy clay. It is one of these lentils from which the bone came.

Size class: macrofossils

Collected by P. Larkin in 1909

Primary reference: P. Larkin. 1910. The occurrence of a sauropod dinosaur in the Trinity Cretaceous of Oklahoma. Journal of Geology 17:93-98 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 11932: authorized by Matthew Carrano, entered by Matthew Carrano on 19.09.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Saurischia -
Pleurocoelus sp.
Pleurocoelus sp. Marsh 1888 sauropod
coracoid