Sohl and Koch OFR # 636 (Cretaceous of the United States)

Also known as Bazette; USGS #

Where: Navarro County, Texas (32.2° N, 96.3° W: paleocoordinates 37.4° N, 74.5° 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

• member-level stratigraphic resolution

Environment/lithology: marine; gray, silty claystone

Size class: mesofossils

Preservation: original aragonite, original 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 4420: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell
Dentalium sp.
Cephalopoda
 Ammonoidea -
Ammonoidea indet. ammonite
"Ammonite fragments": originally entered as "Ammonite"; changed by JA 30.6.04
Gastropoda
 Sorbeoconcha - Naticidae
Gyrodes supraplicatus Conrad 1858 moon snail
Gyrodes supraplicatus (Conrad)
 Neogastropoda - Fasciolariidae
Drilluta distans Conrad 1860 snail
Drilluta distans (Conrad)
 Neogastropoda - Turridae
Beretra ripleyana Conrad 1858 turrid
Beretra ripleyana (Conrad)
Bivalvia
 Carditida - Crassatellidae
Crassatella vadosa Morton 1834 clam
Crassatella vadosa vadosa Morton
 Carditida - Carditidae
Vetericardiella webbervillensis clam
Vetericardiella webbervillensis (S
 Pectinida - Pectinoidae
Camptonectes (Camptonectes) sp. Meek 1864 scallop
Camptonectes (Comptonectes) sp.