PBDB Collection

Sohl and Koch OFR # 623 (Cretaceous of the United States)

Also known as SW Quinlin; USGS # 15545

Where: Hunt County, Texas (32.9° N, 96.2° W: paleocoordinates 38.0° N, 74.2° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone

• formation-level stratigraphic resolution

Environment/lithology: marine; gray sandstone

Size class: mesofossils

Preservation: original calcite

Reposited in the USGS

• Stephenson collection

Primary reference: N. F. Sohl and C. F. Koch. 1984. Upper Cretaceous (Maestrichtian) larger invertebrate Fossils from the Haustator bilira Assemblage Zone in the west gulf Coastal Plain. USGS Open File Report 84-687:1-282 [M. Kosnik/M. Kosnik]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 4412: 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
-	Lithophagidae indet. Lithophagidae indet. Lithophagid borings
Cephalopoda
Ammonitida - Sphenodiscidae	Sphenodiscus tirensis Sphenodiscus tirensis ammonite Sphenodiscus tirensis Stephenson
Ammonitida - Baculitidae	Baculites sp. Baculites sp. Lamarck 1799 ammonite Baculites sp.
Nautilida - Nautilidae	Eutrephoceras sp. Eutrephoceras sp. Hyatt 1894 nautiloid Eutrephoceras sp.
Gastropoda
Cerithioidea - Turritellidae	Turritella vertebroides Turritella vertebroides Morton 1834 turret shell Turritella vertebroides Morton
Sorbeoconcha - Naticidae	Gyrodes americanus, Gyrodes petrosus, Gyrodes rotundus Gyrodes americanus moon snail Gyrodes americanus Wade Gyrodes petrosus moon snail Gyrodes petrosus (Morton) Gyrodes rotundus moon snail Gyrodes rotundus Stephenson
Neogastropoda - Turbinellidae	Napulus sp. Napulus sp. Stephenson 1941 snail Napulus sp.
Neogastropoda - Fasciolariidae	Drilluta sp. Drilluta sp. Wade 1916 snail Drilluta sp.
Neogastropoda - Buccinidae	Aliofusus sp., Ornopsis sp. Aliofusus sp. Stephenson 1941 true whelk Aliofusus sp. Ornopsis sp. Wade 1916 true whelk Ornopsis sp.
Sorbeoconcha - Aporrhaidae	Anchura sp., Graciliala cooki Anchura sp. Conrad 1860 snail Anchura sp. Graciliala cooki snail Graciliala cooki (Stephenson)
Sorbeoconcha - Xenophoridae	"Xenophora leprosa" = Xenophora (Endoptygma) leprosa "Xenophora leprosa" = Xenophora (Endoptygma) leprosa Morton 1834 carrier shell Xenophora leprosa (Morton)
Bivalvia
Cardiida - Arcticidae	Veniella conradi Veniella conradi Morton 1833 clam Veniella conradi (Morton)
Cardiida - Veneridae	Legumen ellipticum Legumen ellipticum venus clam Legumen ellipticum Conrad
Myoida -	Eufistulina ripleyana Eufistulina ripleyana clam Eufistulana ripleyana (Stephenson) - originally entered as "Eufistulana ripleyana"
Ostreida - Ostreidae	"Ostrea mesenterica" = Lopha mesenterica "Ostrea mesenterica" = Lopha mesenterica Morton 1834 oyster Ostrea mesenterica Morton
Ostreida - Gryphaeidae	Pycnodonte belli, Pycnodonte sp., "Exogyra costata" = Exogyra (Exogyra) costata, Gryphaeostrea vomer Pycnodonte belli oyster Pycnodonte belli Stephenson 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) sp. Cucullaea (Idonearca) sp. Conrad 1862 clam Cucullaea (Idonearca) sp.
Bryozoa
-	Bryozoa indet. Bryozoa indet. Ehrenberg 1831 Bryozoa (encrusting)
Demospongiae
Clavulina - Clionaidae	Cliona sp. Cliona sp. demosponge Clione sp.