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
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
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