Where: Falls County, Texas (31.3° N, 97.0° W: paleocoordinates 36.1° N, 77.4° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: T. imperforata zone, Danian (66.0 - 61.6 Ma)
• Composite section from CM-4 and Brazos-1, in foram zone P0
Environment/lithology: marine; unlithified, bioturbated, silty claystone
Size class: mesofossils
Collection methods: bulk, mechanical,
Primary reference: T. A. Hansen, B. Upshaw, E. G. Kauffman and W. Gose. 1993. Patterns of molluscan extinction and recovery across the Cretaceous-Tertiary boundary in east Texas; report on new outcrops. Cretaceous Research 14:685-706 [A. Miller/K. Layou/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 5570: authorized by Arnold Miller, entered by Karen Layou on 18.10.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Pisces | |
"Pisces indet." = Osteichthyes
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Cephalopoda | |
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Scaphopoda | |
Cadulus sp. Philippi 1844 tusk shell | |
Gastropoda | |
Ringiculidae indet. Philippi 1853 snail | |
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Bivalvia | |
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Nucula ? sp. Lamarck 1799 nut clam | |
Syncyclonema sp. n. sp.
Syncyclonema sp. n. sp. Meek 1864 scallop | |
Ostreidae indet. Rafinesque 1815 oyster | |
Granocardium ? sp. Gabb 1869 cockle | |