Sohl and Koch OFR # 907 (Cretaceous of the United States)

Also known as Elm Cr; USGS # 10278

Where: Maverick County, Texas (29.0° N, 100.2° W: paleocoordinates 35.2° N, 79.1° W)

• outcrop-level geographic resolution

When: Escondido Formation, Maastrichtian (72.1 - 66.0 Ma)

• Haustator bilira assemblage zone.

• formation-level stratigraphic resolution

Environment/lithology: estuary or bay; lithified, gray, silty, calcareous sandstone

Size class: mesofossils

Preservation: 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 4584: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus pleurisepta Conrad 1857 ammonite
Sphenodiscus pleurisepta (Conrad)
Gastropoda
 Epitonioidea - Epitoniidae
Striaticostatum sp. Sohl 1963 wentletrap
Striaticostatum sp.
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
Turritella sp.
 Neogastropoda -
Neogastropoda indet. Thiele 1929 snail
Neogastropods indeterminate
 Neogastropoda - Volutidae
Longoconcha sp. Stephenson 1941 volute
Longoconcha spp.
Bivalvia
 Ostreida - Ostreidae
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
 Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Cardiida - Mactridae
Cymbophora inflata clam
Cymbophora inflata Stephenson
 Cardiida - Cardiidae
Trachycardium sp. Mörch 1853 cockle
Trachycardium sp.