USGS 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 35.5° N, 65.5° W)

• coordinate based on nearby landmark

• outcrop-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

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, sandy lime mudstone

Size class: mesofossils

Preservation: original calcite

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

Primary reference: C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham]more 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 and Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Trochocyathidae indet.2
Trochocyathidae indet.2
Trochocyathid coral
Demospongiae
 Clavulina - Clionaidae
Cliona sp.2
Cliona sp.2 demosponge
Clione sp.
Chondrichthyes
 Hybodontiformes - Ptychodontidae
Ptychodus mortoni1
Ptychodus mortoni1 Mantell 1836 elasmobranch
Echinoidea
 Cassiduloida -
Hardouinia aequorea
Hardouinia aequorea Morton 1834 sea urchin
 Spatangoida - Hemiasteridae
Hemiaster wetherbyi
Hemiaster wetherbyi de Loriol 1887 heart urchin
Bivalvia
 Nuculanida - Nuculanidae
Nuculana sp.2
Nuculana sp.2 Link 1807 pointed nut clam
Nuculana sp.
 Carditida - Crassatellidae
Crassatella vadosa2
Crassatella vadosa2 Morton 1834 clam
Crassatella vadosa vadosa Morton
 Pholadida - Corbulidae
Corbula sp.2
Corbula sp.2 Bruguière 1789 clam
Corbula sp.
 Cardiida - Arcticidae
Veniella conradi2
Veniella conradi2 Morton 1833 clam
Veniella conradi (Morton)
 Cardiida - Tellinidae
"Linearia sp." = Linearis2
"Linearia sp." = Linearis2 Conrad 1860 tellin clam
Linearia sp.
 Cardiida - Cardiidae
Cardium sp.2
Cardium sp.2 Linnaeus 1758 cockle
Cardium sp.
 Poromyida - Poromyidae
Liopistha protexta2
Liopistha protexta2 Conrad 1853 clam
Liopistha protexta Conrad
 Lucinida - Mactromyidae
Unicardium sp.2
Unicardium sp.2 d'Orbigny 1850 clam
Unicardium sp.
 Mytilida - Crenellidae
Crenella serica2
Crenella serica2 Conrad 1860 clam
Crenella serica Conrad
 Arcida - Glycymerididae
Glycymeris hamula2, Glycymeris subaustralis2
Glycymeris hamula2 clam
Glycymeris hamula Morton
Glycymeris subaustralis2 clam
Glycymeris subaustralis dOrbigny
 Arcida - Cucullaeidae
"Cucullaea (Idonearca) capax" = Idonearca capax2
"Cucullaea (Idonearca) capax" = Idonearca capax2 Conrad 1858 clam
Cucullaea (Idonearca) capax Conrad
 Arcida - Arcidae
Arca sp.2
Arca sp.2 Linnaeus 1758 ark
Arca sp.
 Pectinida - Pectinoidae
Spondylus (Spondylus) sp.2
Spondylus (Spondylus) sp.2 Linnaeus 1758 scallop
Spondylus (Spondylus) sp.
 Pectinida - Plicatulidae
Plicatula (Plicatula) mullicaensis2
Plicatula (Plicatula) mullicaensis2 scallop
Plicatula (Plicatula) mullicaensis
 Pectinida - Limidae
Lima (Lima) sp.2
Lima (Lima) sp.2 Bruguiére 1796 file clam
Lima (Lima) sp.
 Ostreida - Ostreidae
Arctostrea falacata2, Cubitostrea tecticosta2, Pycnodonte sp.2, Pycnodonte vesicularis2, "Exogyra costata" = Exogyra (Exogyra) costata2
Arctostrea falacata2 oyster
Arctostrea falacata (Gabb)
Cubitostrea tecticosta2 Gabb 1860 oyster
Cubitostrea tecticosta (Gabb)
Pycnodonte sp.2 Fischer von Waldheim 1835 oyster
Pycnodonte sp.
Pycnodonte vesicularis2 Lamarck 1806 oyster
Pycnodonte vesicularis Lamarck
"Exogyra costata" = Exogyra (Exogyra) costata2 Say 1820 oyster
Exogyra costata Say
Gastropoda
 Opisthobranchia - Scaphandridae
Ellipsoscapha mortoni2
Ellipsoscapha mortoni2 Forbes 1845 snail
Ellipsoscapha mortoni (Forbes)
 Cerithioidea - Turritellidae
Turritella sp.2, Turritella vertebroides2
Turritella sp.2 Lamarck 1799 turret shell
Turritella sp.
Turritella vertebroides2 Morton 1834 turret shell
Turritella vertebroides Morton
 Sorbeoconcha - Aporrhaidae
Arrhoges (Latiala) sp.2
Arrhoges (Latiala) sp.2 Gabb 1868 snail
Arrhoges (Latiala) sp.
 Sorbeoconcha - Xenophoridae
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa2, Xenophora sp.2
"Xenophora leprosa" = Xenophora (Endoptygma) leprosa2 Morton 1834 carrier shell
Xenophora leprosa (Morton)
Xenophora sp.2 Fischer von Waldheim 1807 carrier shell
originally entered as "Xenophora "
 Neogastropoda -
Neogastropoda indet.2
Neogastropoda indet.2 Thiele 1929 snail
Neogastropods indeterminate
 Neogastropoda - Volutidae
Liopeplum sp.2, Longoconcha sp.2
Liopeplum sp.2 Dall 1890 volute
Liopeplum sp.
Longoconcha sp.2 Stephenson 1941 volute
Longoconcha spp.
 Neogastropoda - Turbinellidae
Napulus sp.2
Napulus sp.2 Stephenson 1941 snail
Napulus sp.
 Neogastropoda - Pyropsidae
Pyropsis sp.2
Pyropsis sp.2 Conrad 1860 snail
Pyropsis spp.
 Sorbeoconcha - Perissityidae
Stantonella sp.2, Stantonella sp.2, Ornopsis sp.2, Piestochilus sp.2, Drilluta sp.2, Graphidula sp.2, Bellifusus sp.2, Pyrifusus sp.2, Capulus sp.2
Stantonella sp.2 Wade 1926 true whelk
Stantonella sp.
Stantonella sp.2 Wade 1926 true whelk
Stantonella ? sp.
Ornopsis sp.2 Wade 1916 true whelk
Ornopsis sp.
Piestochilus sp.2 Meek 1864 true whelk
Piestochilus sp.
Drilluta sp.2 Wade 1916 true whelk
Drilluta sp.
Graphidula sp.2 Stephenson 1941 true whelk
Graphidula sp.
Bellifusus sp.2 Stephenson 1941 true whelk
Bellifusus sp.
Pyrifusus sp.2 Conrad 1858 true whelk
Pyrifusus sp.
Capulus sp.2 Monfort 1810 true whelk
Capulus sp.
 Caenogastropoda - Fasciolariidae
Gyrodes abyssinus2, "Gyrodes spillmani" = Gyrodes (Sohlella) spillmani2
Gyrodes abyssinus2 moon snail
Gyrodes abyssinus (Morton)
"Gyrodes spillmani" = Gyrodes (Sohlella) spillmani2 Gabb 1861 moon snail
Gyrodes spillmani Gabb
 Epitonioidea - Epitoniidae
Striaticostatum asperum2, "Striaticostatum sillimani" = Epitonium sillimani2
Striaticostatum asperum2 Sohl 1964 wentletrap
Striaticostatum asperum Sohl
"Striaticostatum sillimani" = Epitonium sillimani2 Morton 1834 wentletrap
Striaticostatum sillimani (Morton)
Cephalopoda
 Ammonitida - Scaphitidae
Discoscaphites iris2, Discoscaphites conradi2
Discoscaphites iris2 Conrad 1858 ammonite
Discoscaphites iris Conrad
Discoscaphites conradi2 Morton 1834 ammonite
Discoscaphites conradi (Morton) va
 Ammonitida - Diplomoceratidae
Diplomoceras trabeatus2
Diplomoceras trabeatus2 ammonite
Diplomoceras trabeatus (Morton)
 Ammonitida - Baculitidae
"Baculites (Eubaculites) carinatus" = Eubaculites carinatus2, "Baculites columna" = Trachybaculites columna2, Baculites tippahensis2
"Baculites (Eubaculites) carinatus" = Eubaculites carinatus2 Morton 1834 ammonite
Baculites (Eubaculites) carinatus
"Baculites columna" = Trachybaculites columna2 Morton 1834 ammonite
Baculites columna Morton
Baculites tippahensis2 ammonite
Baculites tippahensis Conrad
 Nautilida - Nautilidae
Eutrephoceras dekayi2
Eutrephoceras dekayi2 Morton 1834 nautiloid
Eutrephoceras dekayi (Morton)
Polychaeta
 Sabellida - Serpulidae
Serpula sp.2
Serpula sp.2 Linnaeus 1758
Serpula sp.
Rhynchonellata
 Terebratulida - Cancellothyrididae
Terebratulina floridana2
Terebratulina floridana2
Terebratulina floridana (Morton)
Bryozoa
  -
Bryozoa indet.2
Bryozoa indet.2 Ehrenberg 1831
Reptilian tooth
1Applegate 1970; 2Sohl and Koch 1983