TX 7451-Young Co., Texas ( 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 (303.4 - 298.9 Ma)

• thin No.9 limestone of post-Bunger cycle No.9 and associated shale.

Environment/lithology: carbonate and 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 1062: authorized by Tom Olszewski, entered by Tom Olszewski on 11.03.1999, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• age assignment based on formation name
Strophomenata
 Productida - Strophalosiidae
 Productida - Productidae
Kozlowskia ? splendens
originally entered as "Kozlowskia splendens?"
"Retaria lasallensis" = Kutorginella lasallensis Worthen 1873
 Productida - Rugosochonetidae
Lissochonetes geinitzianus Waagen 1884
subspecies plattsmouthensis
Rhynchonellata
 Athyridida - Neoretziidae
Hustedia mormoni Marcou 1858
 Athyridida - Athyrididae
 Spiriferinida - Punctospiriferidae
"Punctospirifer kentuckyensis" = Punctospirifer kentuckensis
"Punctospirifer kentuckyensis" = Punctospirifer kentuckensis Shumard 1855
 Spiriferida - Trigonotretidae
 Spiriferida - Elythidae
"Phricodothyris perplexa" = Condrathyris perplexa
"Phricodothyris perplexa" = Condrathyris perplexa McChesney 1859
 Rhynchonellida - Wellerellidae
Wellerella sp. Dunbar and Condra 1932
Wellerella osagensis Shumard and Swallow 1858
Rostroconchia
 Conocardiida -
Conocardioidea sp. Miller 1889
Bivalvia
 Ostreida - Pinnidae
Aviculopinna sp. Meek 1864 oyster
 Carditida - Astartidae
Astartella concentrica Conrad 1842 clam
 Protobranchia - Sareptidae
Paleyoldia glabra Beede and Rogers 1898 clam
originally entered as "Palaeyoldia glabra"
 Protobranchia - Nuculanidae
Phestia bellistriata pointed nut clam