Also known as 18 mi S El Indio; USGS # 8254

Where: Maverick County, Texas (28.3° N, 100.3° W: paleocoordinates 34.3° N, 79.8° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone.

• member-level stratigraphic resolution

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

Size class: mesofossils

Preservation: original calcite, replaced with calcite

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 4633: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999