Sohl and Koch OFR # 607 (Cretaceous of the United States)

Also known as Sulphur Bluff; USGS # 5321

Where: Hopkins County, Texas (33.3° N, 95.4° W: paleocoordinates 38.3° N, 73.2° W)

• outcrop-level geographic resolution

When: Discoscaphites conradi ammonoid zone, Corsicana Marl Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Haustator bilira assemblage zone

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, glauconitic, gray, sandy, calcareous lime mudstone

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 4397: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Sorbeoconcha - Aporrhaidae
Graciliala cooki snail
Graciliala cooki (Stephenson)
Bivalvia
 Ostreida - Gryphaeidae
Gryphaeostrea vomer Morton 1828 oyster
Gryphaeostrea vomer Morton
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
 Cardiida - Arcticidae
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)