Where: Grayson County County, Texas (33.7° N, 96.5° W: paleocoordinates 31.9° N, 61.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Lewisville Member (Woodbine Formation), Cenomanian (100.5 - 93.9 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; gray, green, calcareous sandstone
Collection methods: Roy T. Hazzard 1941(?); L. W. Stephenson and H. H. Gray 1944; Stephenson, W. H. Monroe, H. R. Bergquist 1945.
Primary reference: L. W. Stephenson. 1952. Larger invertebrate fossils of the Woodbine formation (Cenomanian) of Texas. United States Geological Survey Professional Paper 242:1-225 [M. Kosnik/M. Kosnik/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 4641: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
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"Palaeopsephaea sinuosa" = Paleopsephaea
"Palaeopsephaea sinuosa" = Paleopsephaea snail Paleopsephaea sinuosa n. sp. - originally entered as "Paleopsephaea sinuosa"
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? Confusiscala sp. de Boury 1909 wentletrap Confusiscala? sp. - originally entered as "Confusiscala ? sp."
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Bivalvia | |
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"Breviarca (Sanoarca) grandis" = Sanoarca grandis
"Breviarca (Sanoarca) grandis" = Sanoarca grandis Stephenson 1952 clam Breviarca (Sanoarca) grandis n. sp.
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Lingulata | |
Lingula ? subspatulata Hall and Meek 1855 Lingula subspatulata Hall and Meek? - originally entered as "Lingula subspatulata ?"
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