| Johns Valley Formation | |
| Type: | Formation |
| Age: | Carboniferous |
| Prilithology: | Shale |
| Otherlithology: | Sandstone |
| Namedfor: | Johns Valley, Pushmataha County, Oklahoma [1] |
| Namedby: | Edward Oscar Ulrich, 1927 |
| Region: | Arkansas and Oklahoma |
| Country: | United States |
| Underlies: | Atoka Formation |
| Overlies: | Jackfork Sandstone |
The Johns Valley Formation is a geologic formation in Arkansas and Oklahoma.[2] It preserves fossils dating back to the Carboniferous period.
A. ouachitensis[3]
F. bendensis[3]
F. grandis[3]
F. granularis[3]
F. kosomensis[3]
F. mimica[3]
F. oklahomensis[3]
L. pushmatahensis[3]
R. johnsvalleyensis[3]
R. nitidula[3]
S. elegans[3]
C. scotti [4]
D. belemnitiforme [4]
E. plummeri [4]
G. adaense [4]
G. fittsi [4]
G. limatum [4]
G. oblatus [4]
G. morrowensis [4]
G. choctawensis [4]
G. granosus [4]
H. cracens [4]
M. perfilosum [4]
M. normale [4]
N. cloudi [4]
P. ozarkense [4]
P. kesslerense [4]
P. knoxense [4]
R. vaughanianum [4]
S. arkansiensis [4]