Sohl and Koch OFR # 816 (Cretaceous of the United States)

Also known as Hondo; USGS # 7670

Where: Medina County, Texas (29.3° N, 99.2° W: paleocoordinates 35.3° N, 77.8° 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 4539: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Micrabaciidae
Micrabacia sp. Milne-Edwards 1849 stony coral
Micrabacia spp.
unclassified
  -
Vertebrata indet. Lamarck 1801
Fish parts
Gastropoda
 Sorbeoconcha - Naticidae
Gyrodes sp. Conrad 1860 moon snail
Gyrodes sp.
Euspira rectilabrum Conrad 1858 moon snail
Euspira rectilabrum (Conrad)
Bivalvia
 Cardiida - Cardiidae
Trachycardium sp. Mörch 1853 cockle
Trachycardium sp.
 Cardiida - Tellinidae
? Tellina sp., "Linearia sp." = Linearis
? Tellina sp. Linnaeus 1758 tellin clam
Tellina ? sp. - originally entered as "Tellina ? sp."
"Linearia sp." = Linearis Conrad 1860 tellin clam
Linearia sp.
 Cardiida - Mactridae
Cymbophora berryi clam
Cymbophora berryi (Gardner)
 Solenida - Pharidae
Leptosolen biplicata Conrad 1858 clam
Leptosolen biplicata (Conrad)
 Arcida - Arcidae
Striarca cuneata clam
Striarca cuneata Gabb
 Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833 jingle
Anomia (Anomia) argentaria Morton