Sohl and Koch OFR # 962 (Cretaceous of the United States)

Also known as Cuevas Cr; USGS # 8236

Where: Maverick County, Texas (28.5° N, 100.3° W: paleocoordinates 34.7° N, 79.3° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone.

• member-level stratigraphic resolution

Environment/lithology: estuary or bay; lithified, gray, silty 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 4628: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Lithophagidae indet.
Lithophagid borings
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus pleurisepta Conrad 1857 ammonite
Sphenodiscus pleurisepta (Conrad)
Bivalvia
 Cardiida - Cardiidae
Trachycardium sp. Mörch 1853 cockle
Trachycardium sp.
 Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Ostreida - Ostreidae
Ostrea plumosa Morton 1833 oyster
Ostrea plumosa Morton
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
Demospongiae
 Clavulina - Clionaidae
Cliona sp. demosponge
Clione sp.