Sohl and Koch OFR # 913 (Cretaceous of the United States)

Also known as Chilipitin Ck; USGS # 32845

Where: Maverick County, Texas (28.9° N, 100.3° W: paleocoordinates 35.1° N, 79.1° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone.

• member-level stratigraphic resolution

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

Size class: mesofossils

Preservation: original calcite, replaced with calcite

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 4590: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

 Arcida - Arcidae
Arca rostellata ark
Arca rostellata (Morton)
Striarca cuneata clam
Striarca cuneata Gabb
 Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Ostreida - Ostreidae
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
 Cardiida - Corbiculidae
? Corbicula sp. Megerle 1811 clam
Corbicula ? sp. - originally entered as "Corbicula ? sp."
 Cardiida - Tancrediidae
? Tancredia sp. Lycett 1850 clam
Tancredia ? sp. - originally entered as "Tancredia ? sp."
 Protobranchia -
Malletia longfrons clam
Malletia longfrons (Conrad)
 Prosobranchia -
Neogastropoda indet. Thiele 1929 snail
Neogastropods indeterminate
 Sorbeoconcha - Thiaridae
Pachymelania sp. n. sp. White 1895 snail
Pachymelania n. sp. (Escondido) - originally entered as "Pachymelania n. sp."