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

unclassified
  -
Lithophagidae indet.
Lithophagid borings
Demospongiae
 Clavulina - Clionaidae
Cliona sp. demosponge
Clione sp.
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus pleurisepta Conrad 1857 ammonite
Sphenodiscus pleurisepta (Conrad)
Gastropoda
 Sorbeoconcha - Aporrhaidae
Arrhoges (Latiala) cibolensis snail
Arrhoges (Latiala) cibolensis Step
 Neogastropoda - Buccinidae
Hydrotribulus asper true whelk
Hydeotribulus asper Stephenson - originally entered as "Hydeotribulus asper"
 Patellida - Lottiidae
Acmaea occidentalis limpet
Acmaea occidentalis (Hall & Meek)
Bivalvia
 Pectinida - Limidae
Lima (Lima) sp. BruguiƩre 1796 file clam
Lima (Lima) sp.
 Pectinida - Pectinoidae
Camptonectes (Camptonectes) bubonis Stephenson 1941 scallop
Camptonectes (Camptonectes) bubonis (
 Ostreida - Gryphaeidae
Pycnodonte vesicularis Lamarck 1806 oyster
Pycnodonte vesicularis Lamarck
 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.
 Pholadida - Corbulidae
Caestocorbula (Caesticorbula) crassaplica Vincent 1910 clam
Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica"
 Cardiida - Arcticidae
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)
 Carditida - Crassatellidae
Crassatella vadosa Morton 1834 clam
Crassatella vadosa vadosa Morton
 Nuculida - Nuculidae
Nucula percrassa nut clam
Nucula percrassa Conrad
Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Echinoid sp. - originally entered as "Echinoidea sp."