Where: Brazos County, Texas (30.6° N, 96.5° W: paleocoordinates 32.4° N, 86.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Stone City Formation, Lutetian to Lutetian (47.8 - 38.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: marine; poorly lithified, fine, concretionary, shelly/skeletal, gray, red, silty sandstone and unlithified marl
Size class: macrofossils
Preservation: concretion
Primary reference: H. B. Stenzel, E. K. Krause, and J. T. Twining. 1957. Pelecypoda from the type locality of the Stone City beds (Middle Eocene) of Texas. University of Texas Publication (5704) [M. Kosnik/M. Kosnik/M. Kosnik]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 41436: authorized by Arnold Miller, entered by Karen Layou on 14.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
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Pteropsella praelapidosa clam common; originally Kymatox praelapidosus, corrected genus from authors' addendum in text [entered as Pteropsella praelapidosus]
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Venericardia (Claibornicardia) trapaquara, "Venericardia (Venericor) planicosta" = Venericor planicosta
"Venericardia (Venericor) planicosta" = Venericor planicosta Lamarck 1801 clam abundant; V. (Venericor) planicosta densata
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