Where: Clark County, Arkansas (34.0° N, 93.3° W: paleocoordinates 38.0° N, 65.0° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by C. M. Barber in 1934; reposited in the FMNH

Collection methods: surface (in situ),

Primary reference: K. P. Schmidt. 1944. Two new thalassemyd turtles from the Cretaceous of Arkansas. Geological Series of Field Museum of Natural History 8(11):63-74 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 167231: authorized by Patricia Holroyd, entered by Patricia Holroyd on 08.03.2015

Creative Commons license: CC BY (attribution)