A-2 (Cretaceous of the United States)

Also known as Drouant Collection S-1, S-2, S-3

Where: Clark County, Arkansas (34.1° N, 93.1° W)

• Paleocoordinates: 41.8° N, 59.1° W (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Veenia parallelopora other zone, Arkadelphia Formation, Late/Upper Maastrichtian (72.2 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; unlithified marl and unlithified claystone

• "normal marine environment with no influence of freshwater." No specific lithology information for this sample, but the formation is largely clays and marls.

Size class: microfossils

Preservation: original calcite

Collected by R. G. Drouant

Collection methods: bulk, mechanical,

Primary reference: K. Pitakpaivan and J. E. Hazel. 1994. Ostracodes and chronostratigraphic position of the Upper Cretaceous Arkadelphia formation of Arkansas. Journal of Paleontology 68(1):111-122 [G. Hunt/G. Hunt]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 190546: authorized by Gene Hunt, entered by Gene Hunt on 11.12.2017

Creative Commons license: CC0 (CC0)

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