Johns Valley Shale, Ouachita Mountains loc. 100 (Carboniferous of the United States)

Where: Oklahoma (34.8° N, 95.1° W: paleocoordinates 9.1° S, 33.1° W)

When: Johns Valley Formation, Early/Lower Pennsylvanian (318.1 - 314.6 Ma)

Environment/lithology: marine; shale

Size class: macrofossils

Reposited in the USNM

Primary reference: B. H. Harlton. 1933. Micropaleontology of the Pennsylvanian Johns Valley shale of the Ouachita Mountains, Oklahoma, and its relationship to the Mississippian Caney shale. Journal of Paleontology 7(1):3-29 [M. Clapham/P. Vazquez/P. Vazquez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132908: authorized by Matthew Clapham, entered by Priscilla Vazquez on 29.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Textulariina - Hyperamminidae
Hyperammina rugosa Waters 1927
Tubothalamea
 Miliolida - Cornuspiridae
"Ammodiscus semiconstrictus" = Cornuspira semiconstrictus
"Ammodiscus semiconstrictus" = Cornuspira semiconstrictus Waters 1927
Ostracoda
 Podocopida - Healdiidae
Healdia caneyensis Harlton 1927 ostracod