Sohl and Koch OFR # 820 (Cretaceous of the United States)

Also known as South D ftHanis-3; USGS # 32835

Where: Medina County, Texas (29.3° N, 99.2° 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, calcareous 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 4543: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca indet. Latreille 1802
Crab parts
 Arcida - Arcidae
Arca rostellata ark
Arca rostellata (Morton)
Striarca cuneata clam
Striarca cuneata Gabb
 Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876 jingle
Anomia (Anomia) ornata Gabb
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton
 Ostreida - Ostreidae
Crassostrea cortex oyster
Crassostrea cortex (Conrad)
 Mytilida - Mytilidae
Botula conchafodentis mussel
Botula conchafodentis (Gardner)
 Cardiida - Corbiculidae
Corbicula sp. Megerle 1811 clam
Corbicula cf. sp. A Speeden
 Cardiida - Arcticidae
Veniella conradi Morton 1833 clam
Veniella conradi (Morton)
 Cardiida - Cardiidae
Trachycardium eufaulensis Conrad 1860 cockle
Trachycardium eufaulensis (Conrad)
 Triphoroidea - Triforidae
Cerithiella semirugatum Wade 1926 snail
Cerithiella semirugatum (Wade)
 Calyptraeoidea - Calyptraeidae
Calyptraea sp. Lamarck 1799 slipper shell
Calyptraea sp.
 Sorbeoconcha - Thiaridae
Pachymelania sp. n. sp. White 1895 snail
Pachymelania n. sp. (Escondido) - originally entered as "Pachymelania n. sp."
 Neritoidea - Neritidae
Neritina sp. Lamarck 1816 snail
Neritina sp.
 Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871 ammonite
Sphenodiscus sp.
 Ammonitida - Diplomoceratidae
Diplomoceras sp. Hyatt 1900 ammonite
Diplomoceras sp.
Bryozoa indet. Ehrenberg 1831
Bryozoa (encrusting)
Vertebrata indet. Lamarck 1801
Bone material
Vertebrata indet. Lamarck 1801
Shark parts