TX 7456-Young Co., Texas (Carboniferous of the United States)

Where: Young County, Texas (33.1° N, 98.6° W: paleocoordinates 5.7° S, 32.8° W)

• coordinate based on nearby landmark

When: Wayland Member (Graham Formation), Virgilian (303.7 - 298.9 Ma)

• below 9a limestone of No.9 post-Bunger cycle

Environment/lithology: shale

Primary reference: W. Lee, C.O. Nickell, J.S. Williams and L.G. Henbest. 1938. Stratigraphic and Paleontologic Studies of the Pennsylvanian and Permian Rocks in North-Central Texas. The University of Texas Publication 3801:1-252 [M. Patzkowsky/M. Patzkowsky/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 1065: authorized by Tom Olszewski, entered by Tom Olszewski on 11.03.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• age assignment based on formation name
Strophomenata
 Strophomenida - Rugosochonetidae
Lissochonetes geinitzianus Waagen 1884
subspecies plattsmouthensis
 Productida - Productellidae
"Kozlowskia splendens" = Productus splendens, "Retaria lasallensis" = Kutorginella lasallensis, Antiquatonia sp.
"Kozlowskia splendens" = Productus splendens Norwood and Pratten 1855
"Retaria lasallensis" = Kutorginella lasallensis Worthen 1873
Antiquatonia sp. Miloradovich 1945
 Productida - Productidae
 Productida - Echinoconchidae
"Juresania nebrascensis" = Parajuresania nebrascensis Owen 1852
Echinaria ? semipunctatus
originally entered as "Echinaria semipunctatus?"
Rhynchonellata
 Spiriferida - Ambocoeliidae
 Spiriferida - Trigonotretidae
"Neospirifer triplicatus" = Neospirifer dunbari
"Neospirifer triplicatus" = Neospirifer dunbari King 1933
 Athyridida - Neoretziidae
Hustedia mormoni Marcou 1858
 Rhynchonellida - Rhynchoporidae
 Rhynchonellida - Wellerellidae
Wellerella osagensis Shumard and Swallow 1858
Bivalvia
 Nuculanida - Sareptidae
Paleyoldia glabra Beede and Rogers 1898 clam
originally entered as "Palaeyoldia glabra"
 Carditida - Astartidae
Astartella concentrica Conrad 1842 clam
 Ostreida - Pinnidae
Aviculopinna sp. Meek 1864 oyster