Sohl and Koch OFR # 939 (Cretaceous of the United States)

Also known as McFarland 27; USGS # 32853

Where: Maverick County, Texas (28.7° N, 100.5° W: paleocoordinates 34.9° N, 79.4° 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, gray, calcareous sandstone

Size class: mesofossils

Preservation: original 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 4610: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Lithophagidae indet.
Lithophagid borings
 Arcida - Arcidae
Arca rostellata ark
Arca rostellata (Morton)
 Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Ostreida - Ostreidae
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
 Mytilida - Mytilidae
Mytilus sp. n. sp.
Mytilus sp. n. sp. Linnaeus 1758 mussel
Mytilus n. sp. (strong concentrics - originally entered as "Mytilus n. sp."
 Cardiida - Tancrediidae
? Tancredia sp. Lycett 1850 clam
Tancredia ? sp. - originally entered as "Tancredia ? sp."
 Cardiida - Cardiidae
Trachycardium sp. Mörch 1853 cockle
Trachycardium sp.
 Naticoidea - Naticidae
Naticidae indet. Guilding 1834 moon snail
Naticid snail boring
Bryozoa indet. Ehrenberg 1831
Bryozoa (encrusting)