Sohl and Koch OFR # 621 (Cretaceous of the United States)

Also known as SW Quinlin; USGS # 17385

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, lower Member (Corsicana Marl Formation), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Haustator bilira assemblage zone

• member-level stratigraphic resolution

Environment/lithology: marine; sandy claystone

Size class: mesofossils

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 4410: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus sp.
 Nautilida - Nautilidae
Eutrephoceras planoventer Stephenson 1941 nautiloid
Eutrephoceras planoventer Stephenson
Gastropoda
 Epitonioidea - Epitoniidae
Striaticostatum sparsum Sohl 1964 wentletrap
Striaticostatum sparsum Sohl
Bivalvia
 Mytilida - Mytilidae
Botula carolinensis mussel
Botula carolinensis (Conrad)
 Myoida -
Eufistulina ripleyana clam
Eufistulana ripleyana (Stephenson) - originally entered as "Eufistulana ripleyana"