PBDB Collection

Sohl and Koch OFR # 751 (Cretaceous of the United States)

Also known as W Zuehl; USGS # 7720 : 7085

Where: Bexar County, Texas (29.5° N, 98.2° W: paleocoordinates 35.1° N, 77.3° W)

• outcrop-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; siltstone

Size class: mesofossils

Preservation: original calcite, replaced with 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 4506: 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
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."
Bivalvia
Nuculida - Nuculidae	Nucula percrassa Nucula percrassa nut clam Nucula percrassa Conrad
Ostreida - Ostreidae	"Ostrea mesenterica" = Lopha mesenterica, Ostrea sp. "Ostrea mesenterica" = Lopha mesenterica Morton 1834 oyster Ostrea mesenterica Morton Ostrea sp. Linnaeus 1758 oyster Ostrea sp.
Ostreida - Gryphaeidae	Pycnodonte vesicularis Pycnodonte vesicularis Lamarck 1806 oyster Pycnodonte vesicularis Lamarck
Pectinida - Limidae	Lima (Lima) sp. Lima (Lima) sp. Bruguiére 1796 file clam Lima (Lima) sp.
Pectinida - Pectinoidae	Camptonectes (Camptonectes) bubonis Camptonectes (Camptonectes) bubonis Stephenson 1941 scallop Camptonectes (Camptonectes) bubonis (
Cardiida - Arcticidae	Veniella conradi Veniella conradi Morton 1833 clam Veniella conradi (Morton)
Pholadida - Corbulidae	Caestocorbula (Caesticorbula) crassaplica Caestocorbula (Caesticorbula) crassaplica Vincent 1910 clam Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
Carditida - Crassatellidae	Crassatella vadosa Crassatella vadosa Morton 1834 clam Crassatella vadosa vadosa Morton
Cephalopoda
Ammonitida - Sphenodiscidae	Sphenodiscus pleurisepta Sphenodiscus pleurisepta Conrad 1857 ammonite Sphenodiscus pleurisepta (Conrad)
Gastropoda
Sorbeoconcha - Aporrhaidae	Arrhoges (Latiala) cibolensis Arrhoges (Latiala) cibolensis snail Arrhoges (Latiala) cibolensis Step
Neogastropoda - Buccinidae	Hydrotribulus asper Hydrotribulus asper true whelk Hydeotribulus asper Stephenson - originally entered as "Hydeotribulus asper"
Patellida - Lottiidae	Acmaea occidentalis Acmaea occidentalis limpet Acmaea occidentalis (Hall & Meek)
Sedentaria
Sabellida - Serpulidae	Serpula sp. Serpula sp. Linnaeus 1758 Serpula sp.