PBDB Collection

Sohl and Koch OFR # 808 (Cretaceous of the United States)

Also known as Dunlay; USGS # 10869

Where: Medina County, Texas (29.4° N, 99.0° W: paleocoordinates 35.3° N, 77.7° W)

• small collection-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 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 4531: 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

Gastropoda
Cerithioidea - Turritellidae	Turritella cf. forgemoli Turritella cf. forgemoli turret shell Turritella cf. T. forgemoli Coquan - originally entered as "Turritella cf. forgemoli"
Sorbeoconcha - Triforidae	Cerithiella sp. n. sp. Cerithiella sp. n. sp. Verrill 1882 snail Cerithiella n. sp. (2 rows nodes) - originally entered as "Cerithiella n. sp."
Neogastropoda - Volutidae	? Myobarbum sp. ? Myobarbum sp. Sohl 1963 volute Myobarbum ? sp. - originally entered as "Myobarbum ? sp."
Neogastropoda - Buccinidae	Buccinopsis sp., "Stantonella interupta" = Stantonella interrupta Buccinopsis sp. Conrad 1857 true whelk Buccinopsis sp. "Stantonella interupta" = Stantonella interrupta Conrad 1858 true whelk Stantonella interupta (Conrad)
Sorbeoconcha - Tornidae	Teinostoma sp. n. sp. Teinostoma sp. n. sp. Adams and Adams 1853 snail Teinostoma n. sp. (Large) - originally entered as "Teinostoma n. sp."
Sorbeoconcha - Naticidae	Polinices kummeli, Euspira sp. Polinices kummeli Sohl 1960 moon snail Polinices kummeli Sohl Euspira sp. Agassiz 1837 moon snail Euspira sp.
Opisthobranchia - Cylichnidae	Cylichna sp. Cylichna sp. Lovén 1846 snail Cylichna sp.
Heterostropha - Acteonidae	"Actaeon sp." = Acteon "Actaeon sp." = Acteon Montfort 1810 snail Acteon sp. - originally entered as "Acteon sp."
Bivalvia
Cardiida - Mactridae	Cymbophora inflata Cymbophora inflata clam Cymbophora inflata Stephenson
Cardiida - Cardiidae	Trachycardium sp. Trachycardium sp. Mörch 1853 cockle Trachycardium sp.
Cardiida - Tellinidae	"Linearia sp." = Linearis, ? Tellina sp. "Linearia sp." = Linearis Conrad 1860 tellin clam Linearia sp. ? Tellina sp. Linnaeus 1758 tellin clam Tellina ? sp. - originally entered as "Tellina ? sp."
Arcida - Arcidae	Linter acutata, Striarca cuneata Linter acutata clam Linter acutata Stephenson Striarca cuneata clam Striarca cuneata Gabb
Ostreida - Ostreidae	Crassostrea cortex, Ostrea sp. Crassostrea cortex oyster Crassostrea cortex (Conrad) Ostrea sp. Linnaeus 1758 oyster Ostrea sp.
Pectinida - Anomiidae	Anomia (Anomia) ornata Anomia (Anomia) ornata Gabb 1876 jingle Anomia (Anomia) ornata Gabb
Cephalopoda
Ammonitida - Sphenodiscidae	Sphenodiscus sp. Sphenodiscus sp. Meek 1871 ammonite Sphenodiscus sp.
Bryozoa
-	Bryozoa indet. Bryozoa indet. Ehrenberg 1831 Bryozoa boring
Deuteropoda
-	Malacostraca indet. Malacostraca indet. Latreille 1802 Crab parts