USGS 270, 6793, Prairie Bluff (Cretaceous of the United States)

Also known as Sohl and Koch OFR # 136

Where: Wilcox County, Alabama (32.1° N, 87.4° W)

• Paleocoordinates: 38.2° N, 54.3° W (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Discoscaphites conradi ammonoid zone, Prairie Bluff Formation, Late/Upper Maastrichtian (72.2 - 66.0 Ma)

• Haustator bilira assemblage zone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, sandy lime mudstone

Size class: mesofossils

Preservation: original calcite

Collected by L.C. Johnson, 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 4203: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999, edited by Uta Merkel, Mark Uhen and Matthew Clapham

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Ostreida - Ostreidae
Ostrea subspatulata
 Pectinida - Plicatulidae
Plicatula urticosa
unclassified
  -
Trochocyathidae indet.3
Sedentaria
 Sabellida - Serpulidae
Serpula sp.3
Serpula sp.3 Linnaeus 1758
Bivalvia
 Nuculida - Nuculidae
Nucula percrassa
Nucula percrassa Conrad 1858 nut clam
 Nuculanida - Nuculanidae
Nuculana sp.3
Nuculana sp.3 Link 1807 pointed nut clam
 Arcida - Glycymerididae
Glycymeris hamula3, Glycymeris subaustralis
Glycymeris hamula3 bittersweet clam
Glycymeris subaustralis bittersweet clam
 Arcida - Arcidae
Arca sp.3
Arca sp.3 Linnaeus 1758 ark
 Arcida - Cucullaeidae
"Cucullaea (Idonearca) capax" = Idonearca capax3
"Cucullaea (Idonearca) capax" = Idonearca capax3 Conrad 1858 clam
 Ostreida - Gryphaeidae
"Exogyra costata" = Exogyra (Exogyra) costata, Pycnodonte sp.3, "Gryphaea vesicularis" = Pycnodonte (Phygraea) vesicularis
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Pycnodonte sp.3 Fischer von Waldheim 1835 oyster
"Gryphaea vesicularis" = Pycnodonte (Phygraea) vesicularis Lamarck 1806 oyster
 Ostreida - Flemingostreidae
"Arctostrea falcata" = Agerostrea falcata3, Cubitostrea tecticosta3
"Arctostrea falcata" = Agerostrea falcata3 Morton 1827 oyster
Cubitostrea tecticosta3 Gabb 1860 oyster
 Pectinida - Neitheoidae
"Pecten quinquecostatus" = Neithea (Neitheops) quinquecostata
"Pecten quinquecostatus" = Neithea (Neitheops) quinquecostata Sowerby 1814 scallop
 Pectinida - Pectinoidae
Spondylus (Spondylus) sp.3
Spondylus (Spondylus) sp.3 Linnaeus 1758 scallop
 Pectinida - Limidae
Lima "sp. nov."
Lima "sp. nov." Bruguière 1797 file clam
 Pectinida - Anomiidae
Anomia argentaria
Anomia argentaria Morton 1833 jingle
 Pectinida - Plicatulidae
Plicatula (Plicatula) mullicaensis3
 Mytilida - Crenellidae
Crenella serica3
Crenella serica3 Conrad 1860 clam
 Trigoniida - Trigoniidae
Trigonia thoracica
Trigonia thoracica Morton 1834 clam
 Pholadida - Corbulidae
Corbula sp.3
Corbula sp.3 Bruguière 1789 clam
 Cardiida - Cardiidae
Cardium sp.3
Cardium sp.3 Linnaeus 1758 cockle
 Cardiida - Tellinidae
"Linearia sp." = Linearis3
"Linearia sp." = Linearis3 Conrad 1860 tellin clam
 Cardiida - Arcticidae
Veniella conradi
Veniella conradi Morton 1833 clam
 Poromyida - Poromyidae
Liopistha protexta
Liopistha protexta Conrad 1853 clam
 Lucinida - Mactromyidae
Unicardium sp.3
Unicardium sp.3 d'Orbigny 1850 clam
 Carditida - Crassatellidae
"Crassatellites vadosa" = Crassatella vadosa
"Crassatellites vadosa" = Crassatella vadosa Morton 1834 clam
Gastropoda
 Cerithioidea - Turritellidae
Turritella sp.3, Turritella vertebroides3
Turritella sp.3 Lamarck 1799 turret shell
Turritella vertebroides3 Morton 1834 turret shell
 Epitonioidea - Epitoniidae
Striaticostatum asperum3, Scala sillimani
Striaticostatum asperum3 Sohl 1964 wentletrap
Scala sillimani Morton 1834 wentletrap
 Sorbeoconcha - Xenophoridae
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa, Xenophora sp.3
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa Morton 1834 carrier shell
Xenophora sp.3 Fischer von Waldheim 1807 carrier shell
 Neogastropoda -
Neogastropoda indet.3
Neogastropoda indet.3 Thiele 1929 snail
 Neogastropoda - Volutidae
Longoconcha sp.3, Liopeplum sp.3
Longoconcha sp.3 Stephenson 1941 volute
Liopeplum sp.3 Dall 1890 volute
 Neogastropoda - Turbinellidae
Napulus sp.3
Napulus sp.3 Stephenson 1941 snail
 Neogastropoda - Melongenidae
Pyrifusus sp.3
Pyrifusus sp.3 Conrad 1858 snail
 Neogastropoda - Fasciolariidae
Bellifusus sp.3, Drilluta sp.3, Piestochilus sp.3, Graphidula sp.3
Bellifusus sp.3 Stephenson 1941 snail
Drilluta sp.3 Wade 1916 snail
Piestochilus sp.3 Meek 1864 snail
Graphidula sp.3 Stephenson 1941 snail
 Neogastropoda - Buccinidae
Stantonella sp.3, ? Stantonella sp.3, Ornopsis sp.3
Stantonella sp.3 Wade 1926 true whelk
? Stantonella sp.3 Wade 1926 true whelk
Ornopsis sp.3 Wade 1916 true whelk
 Neogastropoda - Pyropsidae
Pyropsis sp.3
Pyropsis sp.3 Conrad 1860 snail
 Sorbeoconcha - Aporrhaidae
Arrhoges (Latiala) sp.3
Arrhoges (Latiala) sp.3 Gabb 1868 snail
 Sorbeoconcha - Capulidae
Capulus sp.3
Capulus sp.3 Monfort 1810 snail
 Sorbeoconcha - Naticidae
"Gyrodes abyssina" = Gyrodes abyssinus, "Gyrodes spillmani" = Gyrodes (Sohlella) spillmani3
"Gyrodes abyssina" = Gyrodes abyssinus Morton 1834 moon snail
"Gyrodes spillmani" = Gyrodes (Sohlella) spillmani3 Gabb 1861 moon snail
 Opisthobranchiata - Bullidae
Bulla mortoni
Bulla mortoni Forbes 1845 snail
Cephalopoda
 Ammonitida - Scaphitidae
"Scaphites conradi" = Discoscaphites conradi, Discoscaphites iris3
"Scaphites conradi" = Discoscaphites conradi Morton 1834 ammonite
Discoscaphites iris3 Conrad 1858 ammonite
 Ammonitida - Diplomoceratidae
Diplomoceras trabeatus3
Diplomoceras trabeatus3 ammonite
Possibly "Hamites sp. nov." Stephenson 1914
 Ammonitida - Baculitidae
"Baculites carinatus" = Eubaculites carinatus, "Baculites tippaensis" = Eubaculites carinatus, "Baculites columna" = Trachybaculites columna3
"Baculites carinatus" = Eubaculites carinatus Morton 1834 ammonite
"Baculites tippaensis" = Eubaculites carinatus Morton 1834 ammonite
"Baculites columna" = Trachybaculites columna3 Morton 1834 ammonite
 Nautilida - Nautilidae
"Nautilus dekayi" = Eutrephoceras dekayi
"Nautilus dekayi" = Eutrephoceras dekayi Morton 1834
Bryozoa
  -
Bryozoa indet.3
Bryozoa indet.3 Ehrenberg 1831
Rhynchonellata
 Terebratulida - Cancellothyrididae
Terebratulina floridana
Chondrichthyes
 Lamniformes - Ptychodontidae
Ptychodus mortoni1
Ptychodus mortoni1 Mantell 1836 mackerel shark
Echinoidea
 Cassiduloida -
Hardouinia aequorea2
Hardouinia aequorea2 Morton 1834 sea urchin
 Spatangoida - Hemiasteridae
"Hemiaster lacunosus" = Hemiaster wetherbyi
"Hemiaster lacunosus" = Hemiaster wetherbyi de Loriol 1887 heart urchin
Demospongiae
 Clavulina - Clionaidae
Cliona sp.3
Cliona sp.3 demosponge
1Applegate 1970; 2Cooke 1953; 3Sohl and Koch 1983