Where: Tennessee (35.8° N, 84.1° W: paleocoordinates 29.8° S, 70.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Hustedograptus teretiusculus graptolite zone, Arline Formation, Chazyan (468.1 - 460.9 Ma)
• this interval falls within the lower part of the Pygodus anserinus Zone and the upper part of the Pygodus serrus Zone.
•
•... which occur above the Maclurites beds of the Lenoir and interfinger with black shale of the Rich Valley formation.
• formation-level stratigraphic resolution
Environment/lithology: limestone
Size class: macrofossils
Reposited in the USNM
Primary reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 186138: authorized by Pete Wagner, entered by Pete Wagner on 15.06.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
"Sowerbyella varicostellata" = Sowerbyella (Sowerbyella) varicostellata
"Sowerbyella varicostellata" = Sowerbyella (Sowerbyella) varicostellata Cooper 1956 | |
Palaeostrophomena superba Cooper 1956
Leptellina tennesseensis Ulrich and Cooper 1936 | |
Isophragma extensum Cooper 1956 | |
Christiania subquadrata Hall 1883 | |
Platymena plana n. gen. n. sp.
Platymena plana n. gen. n. sp. Cooper 1956 | |
Eremotoechia silicica Cooper 1956 | |
Rhynchonellata | |
"Orthambonites blountensis" = Sulevorthis blountensis, "Orthambonites tennesseensis" = Sulevorthis tennesseensis, Taphrorthis emarginata
"Orthambonites blountensis" = Sulevorthis blountensis Cooper 1956
"Orthambonites tennesseensis" = Sulevorthis tennesseensis Cooper 1956
Taphrorthis emarginata Cooper 1956 | |
Paurorthis longa Cooper 1956 | |