ammonites
Sohl and Koch OFR # 942 (Cretaceous of the United States)

Also known as McFarland; USGS # 1483

Where: Maverick County, Texas (28.7° N, 100.4° W: paleocoordinates 34.8° N, 79.8° W)

• outcrop-level geographic resolution

When: Escondido Formation, Maastrichtian (70.6 - 65.5 Ma)

• Haustator bilira assemblage zone.

• formation-level stratigraphic resolution

Environment/lithology: estuary or bay; lithified, gray, silty, calcareous sandstone

Size class: mesofossils

Reposited in the USGS

• others 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 4612: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999