Sohl and Koch OFR # 78 (Cretaceous of the United States)

Also known as NE Cedar Bluff; USGS # 6861

Where: Clay County, Mississippi (33.6° N, 88.9° W: paleocoordinates 37.2° N, 66.5° W)

• small collection-level geographic resolution

When: Discoscaphites conradi ammonoid zone, middle Member (Prairie Bluff Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Haustator bilira assemblage zone

• member-level stratigraphic resolution

Environment/lithology: marine; glauconitic, gray, sandy claystone

Size class: mesofossils

Preservation: original calcite

Reposited in the USGS

• Stephenson collection

Primary reference: N. F. Sohl and C. F. Koch. 1983. Upper Cretaceous (Maestrichtian) Mollusca from the Haustator bilira Assemblage Zone in the East Gulf Coastal Plain. USGS Open File Report 83-451:1-239 [M. Kosnik/M. Kosnik/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 4153: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Gryphaeidae
"Exogyra costata" = Exogyra (Exogyra) costata
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
Cephalopoda
 Belemnitida - Belemnitellidae
Belemnitella americana belemnite
Belemnitella americana (Morton)
Gastropoda
 Sorbeoconcha - Naticidae
Gyrodes petrosus moon snail
Gyrodes petrosus (Morton)
 Neogastropoda - Fasciolariidae
? Drilluta sp. Wade 1916 snail
Drilluta ? sp. - originally entered as "Drilluta ? sp."
 Sorbeoconcha - Xenophoridae
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa Morton 1834 carrier shell
Xenophora leprosa (Morton)