Sohl and Koch OFR # 856 (Cretaceous of the United States)

Also known as Nueces River; USGS # 8771

Where: Zavala County, Texas (29.1° N, 99.9° W: paleocoordinates 35.2° N, 78.7° W)

• outcrop-level geographic resolution

When: Escondido Formation, Maastrichtian (72.1 - 66.0 Ma)

• Haustator bilira assemblage zone.

• formation-level stratigraphic resolution

Environment/lithology: estuary or bay; lithified, sandy siltstone

Size class: mesofossils

Preservation: original calcite

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 4570: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

 Clavulina - Clionaidae
Cliona sp. demosponge
Clione sp.
 Cirripedia -
Cirripedia indet. Rafinesque 1816 barnacle
Barnacles plates
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
Ostrea sp.
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
 Mytilida - Mytilidae
Modiolus sp. Lamarck 1801 mussel
Modiolus sp.