Sohl and Koch OFR # 649 (Cretaceous of the United States)

Also known as McLeod School; USGS # 14138

Where: Navarro County, Texas (31.8° N, 96.5° W: paleocoordinates 37.0° N, 74.9° 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

• member-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: mesofossils

Preservation: original aragonite, 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 4430: 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
Cephalopoda
 Ammonitida - Baculitidae
Baculites sp. Lamarck 1799 ammonite
Baculites sp.
 Ammonitida - Sphenodiscidae
Sphenodiscus tirensis ammonite
Sphenodiscus tirensis Stephenson
Bivalvia
 Ostreida - Gryphaeidae
"Exogyra costata" = Exogyra (Exogyra) costata
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Exogyra costata Say
Demospongiae
 Clavulina - Clionaidae
Cliona sp. demosponge
Clione sp.