Sohl and Koch OFR # 971 (Cretaceous of the United States)

Also known as White Bluff; USGS # 8237

Where: Maverick County, Texas (28.3° N, 100.3° W: paleocoordinates 34.5° N, 79.3° W)

• small collection-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; lithology not reported

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 4635: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus sp.
Gastropoda
 Cerithioidea - Turritellidae
Turritella cf. forgemoli turret shell
Turritella cf. T. forgemoli Coquan - originally entered as "Turritella cf. forgemoli"
Turritella sp. Lamarck 1799 turret shell
Turritella sp.
"Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell
Turritella (Sohlitella) trilira (C
Turritella vertebroides Morton 1834 turret shell
Turritella vertebroides Morton
Bivalvia
 Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Ostreida - Ostreidae
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
Ostrea sp. Linnaeus 1758 oyster
Ostrea sp.
 Arcida - Arcidae
Striarca sp. Conrad 1862 clam
Striarca sp.