Where: Clark County, Arkansas (34.1° N, 93.2° W: paleocoordinates 38.1° N, 64.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Marlbrook Marl Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coastal; marl

Size class: macrofossils

Primary reference: J. W. Wells. 1933. Corals of the Cretaceous of the Atlantic and Gulf Coastal Plains and Western Interior of the United States. Bulletins of American Paleontology 18(67):85-288 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123366: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.01.2012

Creative Commons license: CC BY (attribution)