Sohl and Koch OFR # 631 (Cretaceous of the United States)

Also known as Kaufman; USGS # 7548

Where: Kaufman County, Texas (32.6° N, 96.3° W: paleocoordinates 37.8° N, 74.4° W)

• small collection-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; sandy claystone

Size class: mesofossils

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 4416: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
Turritella vertebroides Morton 1834 turret shell
Turritella vertebroides Morton
 Sorbeoconcha - Naticidae
Gyrodes americanus moon snail
Gyrodes americanus Wade
Gyrodes rotundus moon snail
Gyrodes rotundus Stephenson
 Neogastropoda - Fasciolariidae
Graphidula sp. Stephenson 1941 snail
Graphidula sp.
Drilluta sp. Wade 1916 snail
Drilluta sp.
 Sorbeoconcha - Aporrhaidae
Pugnellus sp. Conrad 1860 snail
Pugnellus sp.
Graciliala cooki snail
Graciliala cooki (Stephenson)
Bivalvia
 Ostreida - Gryphaeidae
"Exogyra costata" = Exogyra (Exogyra) costata
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
 Myalinida - Inoceramidae
Tenuipteria argenteus clam
Tenuiptereus argenteus (Conrad)
Cephalopoda
 Nautilida - Nautilidae
Eutrephoceras sp. Hyatt 1894
Eutrephoceras sp.