TX 7446-Young Co., Texas ( of the United States)

Where: Young County, Texas (33.0° N, 98.7° W: paleocoordinates 5.7° S, 32.9° W)

• coordinate based on nearby landmark

When: Graham Formation, Virgilian (303.4 - 298.9 Ma)

• fossiliferous shale zone 25 to 30 feet above Bunger limestone member.

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) [M. Patzkowsky/M. Patzkowsky]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 1058: 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
 Productida - Productidae
"Retaria lasallensis" = Kutorginella lasallensis
"Retaria lasallensis" = Kutorginella lasallensis Worthen 1873
Rhynchonellata
 Athyridida - Neoretziidae
Hustedia mormoni Marcou 1858
 Spiriferida - Spiriferellidae
"Neospirifer texanus" = Eridmatus texanus
"Neospirifer texanus" = Eridmatus texanus Meek 1871
 Spiriferida - Elythidae
"Phricodothyris perplexa" = Condrathyris perplexa
"Phricodothyris perplexa" = Condrathyris perplexa McChesney 1859
Bivalvia
 Ostreida - Pinnidae
Aviculopinna sp. Meek 1864 oyster
 Protobranchia - Nuculanidae
Phestia bellistriata pointed nut clam