USGS 6801, Livingston (Cretaceous of the United States)

Also known as Sohl and Koch OFR # 122

Where: Sumter County, Alabama (32.6° N, 88.2° W)

• Paleocoordinates: 38.9° N, 54.8° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Haustator bilira assemblage zone

• group of beds-level stratigraphic resolution

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

Size class: mesofossils

Collected by L.W. Stephenson; reposited in the USNM

Primary reference: L. W. Stephenson. 1914. Cretaceous deposits of the eastern gulf region and species of Exogyra from the eastern gulf region and the Carolinas. United States Geological Survey Professional Paper 81:1-55more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 4189: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999, edited by Matthew Clapham

Creative Commons license: CC0 (CC0)

Taxonomic list

Gastropoda
 Sorbeoconcha - Naticidae
Gyrodes abyssina moon snail
Bivalvia
 Cardiida - Veneridae
Gastropoda
 Sorbeoconcha - Ficidae
Bivalvia
 Pectinida - Plicatulidae
Cephalopoda
 Ammonitida -
Ancyloceratina indet. Wiedmann 1966 ammonite
"Heteromorph ammonite"
 Ammonitida - Baculitidae
"Baculites carinatus" = Eubaculites carinatus, "Baculites tippaensis" = Eubaculites carinatus
"Baculites carinatus" = Eubaculites carinatus Morton 1834 ammonite
"Baculites tippaensis" = Eubaculites carinatus Morton 1834 ammonite
Gastropoda
 Sorbeoconcha - Naticidae
"Gyrodes petrosa" = Gyrodes petrosus
"Gyrodes petrosa" = Gyrodes petrosus Morton 1834 moon snail
 Neogastropoda - Turbinellidae
Napulus sp. Stephenson 1941 snail
 Epitonioidea - Epitoniidae
Scala sillimani Morton 1834 wentletrap
 Cerithioidea - Turritellidae
Turritella vertebroides Morton 1834 turret shell
Bivalvia
 Ostreida - Flemingostreidae
"Ostrea larva" = Agerostrea ungulatus
"Ostrea larva" = Agerostrea ungulatus Böhm 1891 oyster
 Ostreida - Ostreidae
Ostrea peculiaris Conrad 1860 oyster
"Ostrea plumosa" = Acutostrea plumosa Morton 1833 oyster
 Ostreida - Gryphaeidae
"Gryphaea vomer" = Gryphaeostrea vomer, "Exogyra costata" = Exogyra (Exogyra) costata
"Gryphaea vomer" = Gryphaeostrea vomer Morton 1828 oyster
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
 Pectinida - Plicatulidae
 Arcida - Cucullaeidae
"Cucullaea (Idonearca) capax" = Idonearca capax
"Cucullaea (Idonearca) capax" = Idonearca capax Conrad 1858 clam
 Trigoniida - Trigoniidae
Trigonia thoracica Morton 1834 clam
 Cardiida - Veneridae
Legumen ellipticum Conrad 1858 venus clam
 Carditida - Crassatellidae
"Crassatellites vadosa" = Crassatella vadosa
"Crassatellites vadosa" = Crassatella vadosa Morton 1834 clam