Carrizo Arroyo Unit A (Carboniferous of the United States)

Where: Valencia County, New Mexico (35.8° N, 107.1° W: paleocoordinates 0.6° N, 36.9° W)

• outcrop-level geographic resolution

When: Atrasado Formation, Virgilian (303.7 - 298.9 Ma)

• Fusulinid information provided in other papers, but only generally cited here.

• group of beds-level stratigraphic resolution

Environment/lithology: shale

Size class: macrofossils

Reposited in the UNM

Primary reference: B. S. Kues. 2004. Stratigraphy and brachiopod and molluscan paleontology of the Red Tanks Formation (Madera Group) near the Pennsylvanian–Permian boundary, Lucero uplift, west-central New Mexico. In S.G. Lucas, K.E. Zeigler (eds.), Carboniferous–Permian transition at Carrizo Arroyo, central New Mexico 25:143-210 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 156676: authorized by Pete Wagner, entered by Pete Wagner on 28.05.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Rugosochonetidae
 Orthotetida - Derbyiidae
 Orthotetida - Meekellidae
 Productida - Schrenkiellidae
"Linoproductus aff. semisulcatus" = Coopericus semisulcatus
"Linoproductus aff. semisulcatus" = Coopericus semisulcatus Cooper and Grant 1975
 Productida - Linoproductidae
 Productida - Paucispiniferidae
Hystriculina wabashensis Norwood and Pratten 1855
Rhynchonellata
 Spiriferinida - Punctospiriferidae
"Punctospirifer kentuckyensis" = Punctospirifer kentuckensis
"Punctospirifer kentuckyensis" = Punctospirifer kentuckensis Shumard 1855
 Athyridida - Athyrididae
 Spiriferida - Elythidae
"Phricodothyris perplexa" = Condrathyris perplexa
"Phricodothyris perplexa" = Condrathyris perplexa McChesney 1859
 Spiriferida - Ambocoeliidae
 Spiriferida - Trigonotretidae
Neospirifer "sp. 1" Fredericks 1919
"Neospirifer alatus" = Neospirifer triplicatus alatus Dunbar and Condra 1932