Sohl and Koch OFR # 824 (Cretaceous of the United States)

Also known as South D ftHanis-4; USGS # 32836

Where: Medina County, Texas (29.2° N, 99.3° W: paleocoordinates 35.2° N, 78.0° W)

• small collection-level geographic resolution

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

• Haustator bilira assemblage zone.

• member-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

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 4547: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Vertebrata indet. Lamarck 1801
Fish parts
Gastropoda
 Neogastropoda -
Neogastropoda indet. Thiele 1929 snail
Neogastropods indeterminate
 Neogastropoda - Buccinidae
"Stantonella interupta" = Stantonella interrupta
"Stantonella interupta" = Stantonella interrupta Conrad 1858 true whelk
Stantonella interupta (Conrad)
 Sorbeoconcha - Naticidae
Gyrodes sp. Conrad 1860 moon snail
Gyrodes sp.
Bivalvia
 Nuculida - Nuculidae
Nucula percrassa nut clam
Nucula percrassa Conrad
 Cardiida - Mactridae
Cymbophora appressa clam
Cymbophora appressa (Gabb)
 Cardiida - Cardiidae
Trachycardium eufaulensis Conrad 1860 cockle
Trachycardium eufaulensis (Conrad)
 Arcida - Arcidae
Striarca cuneata clam
Striarca cuneata Gabb
 Ostreida - Pteriidae
Pteria rhombica pearl oyster
Pteria rhombica Gardner
 Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
Cephalopoda
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus sp.