Where: Howard County, Arkansas (33.9° N, 93.8° W: paleocoordinates 31.6° N, 58.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tokio Formation, Cenomanian (100.5 - 93.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; pyritic claystone

Size classes: mesofossils, microfossils

Collection methods: bulk, surface (in situ), sieve,

Primary reference: J. G. Pittman and G. L. Bell. 2002. Cretaceous vertebrates of SE Oklahoma, SW Arkansas and NE Texas. In J. G. Pittman, G. L. Bell, R. L. Cifelli, & W. Langston (eds.), Society of Vertebrate Paleontology, 62nd Annual Meeting. Field Trip Guidebook. Field Trip 2. Cretaceous of Southeast Oklahoma, Southwest Arkansas and Northeast Texas. Oklahoma Geological Survey Open-File Report 10-2002:15-31 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 223862: authorized by Matthew Carrano, entered by Matthew Carrano on 08.12.2021

Creative Commons license: CC BY (attribution)