Sohl and Koch OFR # 831 (Cretaceous of the United States)

Also known as 11 mi S Sabinal; USGS # 7715

Where: Uvalde County, Texas (29.2° N, 99.5° W: paleocoordinates 35.2° N, 78.2° W)

• small collection-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, calcareous sandstone

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 4553: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Bryozoa boring
Bivalvia
 Ostreida - Ostreidae
Ostrea bella oyster
Ostrea bella
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
 Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Cardiida - Cardiidae
Trachycardium sp. Mörch 1853 cockle
Trachycardium sp.
Gastropoda
 Neogastropoda - Volutidae
Liopeplum cretaceum Conrad 1858 volute
Liopeplum cretaceum (Conrad)
 Cerithioidea - Turritellidae
Turritella cf. forgemoli, "Turritella (Sohlitella) trilira" = Turritella trilira
Turritella cf. forgemoli turret shell
Turritella cf. T. forgemoli Coquan - originally entered as "Turritella cf. forgemoli"
"Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell
Turritella (Sohlitella) trilira (C
Cephalopoda
 Ammonitida - Sphenodiscidae
"Sphenodiscus lenticularis" = Sphenodiscus lobatus
"Sphenodiscus lenticularis" = Sphenodiscus lobatus Tuomey 1856 ammonite
Sphenodiscus lenticularis (Owen)