Sohl and Koch OFR # 864 (Cretaceous of the United States)

Also known as Muela Ck-2; USGS # 32841

Where: Zavala County, Texas (29.1° N, 100.1° W: paleocoordinates 35.2° N, 78.9° 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; argillaceous sandstone

Size class: mesofossils

Reposited in the USGS

Collection methods: bulk,

• Sohl 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 4578: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Lithophagidae indet.
Lithophagidae indet.
Lithophagid borings
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
Reptilian tooth
Bivalvia
 Arcida - Arcidae
Striarca cuneata
Striarca cuneata clam
Striarca cuneata Gabb
 Ostreida - Ostreidae
Crassostrea cortex
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
 Pectinida - Anomiidae
Anomia (Anomia) ornata
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Cardiida - Corbiculidae
Corbicula sp., ? Corbicula sp.
Corbicula sp. Megerle 1811 clam
Corbicula cf. sp. A Speeden
? Corbicula sp. Megerle 1811 clam
Corbicula ? sp. - originally entered as "Corbicula ? sp."
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus sp.
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus sp.
Gastropoda
 Cerithioidea - Thiaridae
Pachymelania sp. n. sp.
Pachymelania sp. n. sp. White 1895 snail
Pachymelania n. sp. (Escondido) - originally entered as "Pachymelania n. sp."
 Neogastropoda - Turbinellidae
Napulus sp.
Napulus sp. Stephenson 1941 snail
Napulus sp.