Sohl and Koch OFR # 707 (Cretaceous of the United States)

Also known as Webberville; USGS # 1642

Where: Travis County, Texas (30.2° N, 97.5° W: paleocoordinates 35.7° N, 76.4° 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; gray, silty claystone

Size class: mesofossils

Preservation: original aragonite, original calcite

Reposited in the USGS

• others 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 4476: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus tirensis ammonite
Sphenodiscus tirensis Stephenson
Polychaeta
 Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Echinoidea
 Spatangoida - Schizasteridae
? Linthia sp. Desor 1853 heart urchin
Linthia sp.? - originally entered as "Linthia ? sp."