PBDB Collection

Sohl and Koch OFR # 125 (Cretaceous of the United States)

Also known as Coatopa; USGS # 6796 : 496 : 564

Where: Sumter County, Alabama (32.5° N, 88.1° W: paleocoordinates 36.0° N, 66.0° W)

• outcrop-level geographic resolution

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

• Haustator bilira assemblage zone

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, sandy lime mudstone

Size class: mesofossils

Preservation: original calcite

Reposited in the USGS

• Stephenson pub 1914

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 4192: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Heteromorpha ammonite Heteromorpha ammonite Heteromorph ammonite - originally entered as "Heteromorph ammonite"
Cephalopoda
Ammonitida - Scaphitidae	Discoscaphites conradi Discoscaphites conradi Morton 1834 ammonite Discoscaphites conradi (Morton) va
Ammonitida - Diplomoceratidae	Diplomoceras trabeatus Diplomoceras trabeatus ammonite Diplomoceras trabeatus (Morton)
Ammonitida - Baculitidae	Baculites sp., Baculites tippahensis, "Baculites (Eubaculites) carinatus" = Eubaculites carinatus Baculites sp. Lamarck 1799 ammonite Baculites sp. Baculites tippahensis ammonite Baculites tippahensis Conrad "Baculites (Eubaculites) carinatus" = Eubaculites carinatus Morton 1834 ammonite Baculites (Eubaculites) carinatus
Nautilida - Nautilidae	Eutrephoceras dekayi Eutrephoceras dekayi Morton 1834 nautiloid Eutrephoceras dekayi (Morton)
Gastropoda
Cerithioidea - Turritellidae	Turritella sp. Turritella sp. Lamarck 1799 turret shell Turritella sp.
Sorbeoconcha - Naticidae	Gyrodes petrosus Gyrodes petrosus moon snail Gyrodes petrosus (Morton)
Neogastropoda - Fasciolariidae	Bellifusus sp. Bellifusus sp. Stephenson 1941 snail Bellifusus sp.
Neogastropoda - Buccinidae	Buccinopsis sp. Buccinopsis sp. Conrad 1857 true whelk Buccinopsis sp.
Bivalvia
Carditida - Crassatellidae	Crassatella vadosa Crassatella vadosa Morton 1834 clam Crassatella vadosa vadosa Morton
Ostreida - Gryphaeidae	Pycnodonte sp., "Exogyra costata" = Exogyra (Exogyra) costata, Gryphaeostrea vomer Pycnodonte sp. Fischer von Waldheim 1835 oyster Pycnodonte sp. "Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster Exogyra costata Say Gryphaeostrea vomer Morton 1828 oyster Gryphaeostrea vomer Morton
Arcida - Cucullaeidae	"Cucullaea (Idonearca) capax" = Idonearca capax "Cucullaea (Idonearca) capax" = Idonearca capax Conrad 1858 clam Cucullaea (Idonearca) capax Conrad