PBDB Collection

Sohl and Koch OFR # 129 (Cretaceous of the United States)

Also known as W Jefferson; USGS # 20746

Where: Marengo County, Alabama (32.4° N, 87.9° W: paleocoordinates 35.8° N, 65.9° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone

• member-level stratigraphic resolution

Environment/lithology: marine; gray, silty, sandy claystone

Size class: mesofossils

Preservation: original calcite

Reposited in the USGS

Collection methods: bulk,

• Sohl 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 4196: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Trochocyathidae indet. Trochocyathidae indet. Trochocyathid coral
Demospongiae
Clavulina - Clionaidae	Cliona sp. Cliona sp. demosponge Clione sp.
Echinoidea
-	Echinoidea indet. Echinoidea indet. Leske 1778 sea urchin Echinoid sp. - originally entered as "Echinoidea sp."
Gastropoda
Cerithioidea - Turritellidae	Turritella vertebroides Turritella vertebroides Morton 1834 turret shell Turritella vertebroides Morton
Neogastropoda -	Neogastropoda indet. Neogastropoda indet. Thiele 1929 snail Neogastropods indeterminate
Neogastropoda - Volutidae	Longoconcha sp. Longoconcha sp. Stephenson 1941 volute Longoconcha spp.
Euomphalina - Euomphalidae	Weeksia deplanata Weeksia deplanata snail Weeksia deplanata (Johnson)
Bivalvia
Trigoniida - Megatrigonioidae	Pterotrigonia (Scabrotrigonia) sp. Pterotrigonia (Scabrotrigonia) sp. Dietrich 1933 clam Pterotrigonia (Scabrotrigonia) sp.
Carditida - Crassatellidae	Crassatella sp. Crassatella sp. Lamarck 1799 clam Crassatella sp.
Mytilida - Crenellidae	Crenella serica Crenella serica Conrad 1860 clam Crenella serica Conrad
Ostreida - Gryphaeidae	Exogyra sp. Exogyra sp. Say 1820 oyster Exogyra sp.
Ostreida - Ostreidae	Ostrea sp. Ostrea sp. Linnaeus 1758 oyster Ostrea sp.
Pectinida - Dimyidae	Atreta melleni Atreta melleni scallop Atreta melleni (Stephenson)
Pectinida - Limidae	"Lima (Lima) reticulata" = Lima reticulata "Lima (Lima) reticulata" = Lima reticulata Forbes 1845 file clam Lima (Lima) reticulata Lyell & For
Pectinida - Plicatulidae	Plicatula (Plicatula) mullicaensis, Plicatula (Plicatula) sp. Plicatula (Plicatula) mullicaensis scallop Plicatula (Plicatula) mullicaensis Plicatula (Plicatula) sp. Lamarck 1801 scallop Plicatula (Plicatula) sp.
Pectinida - Anomiidae	Anomia (Anomia) argentaria Anomia (Anomia) argentaria Morton 1833 jingle Anomia (Anomia) argentaria Morton
Pectinida - Pectinoidae	Pecten (Pecten) venustus Pecten (Pecten) venustus scallop Pecten (Pecten?) venustus Morton
Cephalopoda
Ammonitida - Scaphitidae	Discoscaphites sp. Discoscaphites sp. Meek 1870 ammonite Discoscaphites sp.
Bryozoa
-	Bryozoa indet. Bryozoa indet. Ehrenberg 1831 Bryozoa (branching)
Polychaeta
Serpulimorpha -	Hamulus onyx Hamulus onyx Morton 1834 Hamulus onyx Morton
Sabellida - Serpulidae	Serpula sp. Serpula sp. Linnaeus 1758 Serpula sp.
Thecostraca
Cirripedia -	Cirripedia indet. Cirripedia indet. Rafinesque 1816 barnacle Barnacles plates