Sohl and Koch OFR # 931 (Cretaceous of the United States)

Also known as Eagle pass; USGS # 450

Where: Maverick County, Texas (28.7° N, 100.5° W: paleocoordinates 35.0° 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, silty limestone

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 4603: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus sp.
Gastropoda
 Cerithioidea - Turritellidae
Turritella cf. forgemoli turret shell
Turritella cf. T. forgemoli Coquan - originally entered as "Turritella cf. forgemoli"
Turritella sp. Lamarck 1799 turret shell
Turritella sp.
 Neogastropoda - Pyropsidae
Pyropsis sp. Conrad 1860 snail
Pyropsis spp.
 Neogastropoda - Buccinidae
"Stantonella interupta" = Stantonella interrupta
"Stantonella interupta" = Stantonella interrupta Conrad 1858 true whelk
Stantonella interupta (Conrad)
 Neogastropoda - Fasciolariidae
Graphidula sp. n. sp. Stephenson 1941 snail
Graphidula n. sp. (smooth) - originally entered as "Graphidula n. sp."
 Neogastropoda - Volutidae
Liopeplum cretaceum Conrad 1858 volute
Liopeplum cretaceum (Conrad)
 Sorbeoconcha - Naticidae
Euspira sp. Agassiz 1837 moon snail
Euspira sp.
Banis siniformis Stephenson 1941 moon snail
Banis siniformis Stephenson
Bivalvia
 Arcida - Arcidae
Striarca sp. Conrad 1862 clam
Striarca sp.
 Myalinida - Inoceramidae
Inoceramus (Endocostea) sp. Whitfield 1877 clam
Inoceramus (Endocostea) sp.
 Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
 Ostreida - Ostreidae
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
 Pholadida - Corbulidae
Corbula sp. n. sp., Corbula sp. n. sp.
Corbula sp. n. sp. Bruguière 1789 clam
Corbula n. sp. (large) - originally entered as "Corbula n. sp."
Corbula sp. n. sp. Bruguière 1789 clam
Corbula n. sp. (small) - originally entered as "Corbula n. sp."
 Cardiida - Mactridae
Cymbophora berryi clam
Cymbophora berryi (Gardner)
Cymbophora inflata clam
Cymbophora inflata Stephenson
 Cardiida - Cardiidae
Trachycardium sp. Mörch 1853 cockle
Trachycardium sp.
 Cardiida - Tellinidae
? Tellina sp. Linnaeus 1758 tellin clam
Tellina ? sp. - originally entered as "Tellina ? sp."
 Solenida - Pharidae
Leptosolen biplicata Conrad 1858 clam
Leptosolen biplicata (Conrad)
 Carditida - Astartidae
Astartemya fentressensis clam
Astartemya fentressensis Stephenso
 Nuculida - Nuculidae
Nucula sp. Lamarck 1799 nut clam
Nucula sp.
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium leve Stephenson 1923 tusk shell
Dentalium leve Stephenson