none
Geological Time: Paleogene Oligocene
holotype
View of a specimen of Liebusella byramensis (Cushman, 1922)
The identification is based upon:
, : Cushman, J. A. (1922). The foraminifera of the Byram Calcareous Marl at Byram, Mississippi. United States Geological Survey Professional Papers. 129: 87-123. Plate , Fig.