none
Geological Time: Neogene Miocene
holotype
View of a specimen of Hanzawaia carstensi (Cushman & Ellisor, 1939)
The identification is based upon:
, : Cushman, J. A.; Ellisor, A. C. (1939). New species of Foraminifera from the Oligocene and Miocene. Contributions from the Cushman laboratory for foraminiferal research. 15(1): 1-14. Plate , Fig.