Sohl and Koch OFR # 65 (Cretaceous of the United States)

Also known as NE Houston; USGS # 6849

Where: Chickasaw County, Mississippi (33.9° N, 89.0° W: paleocoordinates 37.5° N, 66.5° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone

• member-level stratigraphic resolution

Environment/lithology: marine; lithified, gray limestone

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 4141: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Carditida - Crassatellidae
Crassatella vadosa Morton 1834 clam
Crassatella vadosa vadosa Morton
 Myalinida - Inoceramidae
Inoceramus (Inoceramus) sp. Sowerby 1814 clam
Inoceramus (Inoceramus) sp.
 Ostreida - Ostreidae
Ostrea plumosa Morton 1833 oyster
Ostrea plumosa Morton
 Ostreida - Flemingostreidae
Cubitostrea tecticosta Gabb 1860 oyster
Cubitostrea tecticosta (Gabb)
 Ostreida - Gryphaeidae
Pycnodonte vesicularis Lamarck 1806 oyster
Pycnodonte vesicularis Lamarck
Gryphaeostrea vomer Morton 1828 oyster
Gryphaeostrea vomer Morton
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
 Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton
Gastropoda
 Sorbeoconcha - Naticidae
Gyrodes abyssinus moon snail
Gyrodes abyssinus (Morton)
"Gyrodes spillmani" = Gyrodes (Sohlella) spillmani Gabb 1861 moon snail
Gyrodes spillmani Gabb
Cephalopoda
 Ammonitida - Baculitidae
Baculites tippahensis, "Baculites (Eubaculites) carinatus" = Eubaculites carinatus
Baculites tippahensis ammonite
Baculites tippahensis Conrad
"Baculites (Eubaculites) carinatus" = Eubaculites carinatus Morton 1834 ammonite
Baculites (Eubaculites) carinatus
Polychaeta
 Serpulimorpha -
Longitubus sp.
Longitubus sp.