Also known as Hope; USGS # 7466

Where: Hempstead County, Arkansas (33.7° N, 93.7° W: paleocoordinates 38.4° N, 70.8° W)

• small collection-level geographic resolution

When: basal Member (Arkadelphia marl Formation), Maastrichtian (72.1 - 66.0 Ma)

• Haustator bilira assemblage zone.

• member-level stratigraphic resolution

Environment/lithology: marine; lithified, phosphatic, gray, sandy lime mudstone

Size class: macrofossils

Reposited in the USGS

• Stephenson collection

Primary reference: N. F. Sohl and C. F. Koch. 1984. Upper Cretaceous (Maestrichtian) larger invertebrate Fossils from the Haustator bilira Assemblage Zone in the west gulf Coastal Plain. USGS Open File Report 84-687:1-282 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 4391: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)