Sohl and Koch OFR # 947 (Cretaceous of the United States)

Also known as 10 mi S Eagle pass; USGS # 8224

Where: Maverick County, Texas (28.6° N, 100.4° W: paleocoordinates 34.8° N, 79.3° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone.

• member-level stratigraphic resolution

Environment/lithology: estuary or bay; lithified, gray 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 4616: 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
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus pleurisepta
Sphenodiscus pleurisepta Conrad 1857 ammonite
Sphenodiscus pleurisepta (Conrad)
Bivalvia
 Ostreida - Ostreidae
Crassostrea cortex, Ostrea bella
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
Ostrea bella oyster
Ostrea bella
 Pectinida - Anomiidae
Anomia (Anomia) ornata
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Cardiida - Mactridae
Cymbophora berryi, Cymbophora inflata
Cymbophora berryi clam
Cymbophora berryi (Gardner)
Cymbophora inflata clam
Cymbophora inflata Stephenson
Gastropoda
 Neogastropoda -
Neogastropoda indet.
Neogastropoda indet. Thiele 1929 snail
Neogastropods indeterminate
 Cerithioidea - Thiaridae
Pachymelania sp. n. sp.
Pachymelania sp. n. sp. White 1895 snail
Pachymelania n. sp. (Escondido) - originally entered as "Pachymelania n. sp."
 Cerithioidea - Turritellidae
Turritella sp.
Turritella sp. Lamarck 1799 turret shell
Turritella sp.
Echinoidea
  -
Echinoidea indet.
Echinoidea indet. Leske 1778 sea urchin
Echinoid sp. (regular) - originally entered as "Echinoidea sp."