none
Geological Time: Carboniferous Pennsylvanian
holotype
View of a specimen of Bradyina marathonensis Harlton, 1928
The identification is based upon:
, : Harlton, B. H. (1928). Pennsylvanian Foraminifera of Oklahoma and Texas. Journal of Paleontology. 1(4): 205-310. Plate , Fig.