Sohl and Koch OFR # 937 (Cretaceous of the United States)

Also known as SE Eagle pass; USGS # 1481

Where: Maverick County, Texas (28.7° N, 100.5° W: paleocoordinates 34.9° N, 79.4° W)

• outcrop-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, gray, sandy, calcareous siltstone

Size class: mesofossils

Preservation: original calcite, replaced with calcite

Reposited in the USGS

• others 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 4608: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Arcidae
Arca sp. Linnaeus 1758 ark
Arca ? sp.
Striarca cuneata clam
Striarca cuneata Gabb
 Pectinida - Pectinoidae
Camptonectes (Camptonectes) sp. Meek 1864 scallop
Camptonectes (Comptonectes) sp.
 Pectinida - Limidae
Lima (Lima) sellardsi Stephenson 1941 file clam
Lima (Lima) sellardsi Stephenson
 Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton
 Carditida - Astartidae
Astartemya fentressensis clam
Astartemya fentressensis Stephenso
 Pholadida - Corbulidae
Corbula sp. n. sp.
Corbula sp. n. sp. Bruguière 1789 clam
Corbula n. sp. (large) - originally entered as "Corbula n. sp."
 Cardiida - Tellinidae
? Tellina sp. Linnaeus 1758 tellin clam
Tellina ? sp. - originally entered as "Tellina ? sp."
 Cardiida - Cardiidae
Trachycardium sp. Mörch 1853 cockle
Trachycardium sp.
 Nuculida - Nuculidae
Nucula sp. Lamarck 1799 nut clam
Nucula sp.
 Protobranchia -
Malletia longfrons clam
Malletia longfrons (Conrad)
Gastropoda
 Neogastropoda - Fasciolariidae
Graphidula sp. n. sp. Stephenson 1941 snail
Graphidula n. sp. (smooth) - originally entered as "Graphidula n. sp."
 Sorbeoconcha - Turritellidae
Turritella (Sohlitella) bilira, "Turritella (Sohlitella) trilira" = Turritella trilira
Turritella (Sohlitella) bilira Stephenson 1941 turret shell
Turritella (Sohlitella) bilira (St
"Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell
Turritella (Sohlitella) trilira (C
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium leve tusk shell
Dentalium leve Stephenson
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus pleurisepta Conrad 1857 ammonite
Sphenodiscus pleurisepta (Conrad)