Sohl and Koch OFR # 911 (Cretaceous of the United States)

Also known as Chiltipin Cr; USGS # 8248

Where: Maverick County, Texas (28.9° N, 100.2° W: paleocoordinates 35.1° N, 79.1° 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 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 4588: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Vertebrata indet. Lamarck 1801
Bone material
Vertebrata indet. Lamarck 1801
Shark parts
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus pleurisepta Conrad 1857 ammonite
Sphenodiscus pleurisepta (Conrad)
Gastropoda
 Cerithioidea - Thiaridae
Pachymelania sp. n. sp. White 1895 snail
Pachymelania n. sp. (Escondido) - originally entered as "Pachymelania n. sp."
 Sorbeoconcha - Naticidae
Gyrodes sp. Conrad 1860 moon snail
Gyrodes sp.
 Sorbeoconcha - Triforidae
Cerithiella sp. n. sp. Verrill 1882 snail
Cerithiella n. sp. (2 rows nodes) - originally entered as "Cerithiella n. sp."
 Neogastropoda - Turridae
? Fusimilis sp. Stephenson 1941 turrid
Fusimilis ? sp. - originally entered as "Fusimilis ? sp."
Bivalvia
 Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Ostreida - Ostreidae
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
Ostrea sp. Linnaeus 1758 oyster
Ostrea sp.
 Arcida - Arcidae
Striarca cuneata clam
Striarca cuneata Gabb
 Cardiida - Cardiidae
Trachycardium sp. Mörch 1853 cockle
Trachycardium sp.
 Cardiida - Mactridae
Cymbophora inflata clam
Cymbophora inflata Stephenson