none
Geological Time: Neogene Pliocene
holotype
View of a specimen of Bolivina hanzawai Asano, 1936
The identification is based upon:
, : Asano, K. (1936). New foraminifera from the Kakegawa district, Totomi, Japan. (Studies on the fossil foraminifera from the Neogene of Japan, Part 4). Japanese journal of Geology and Geography. 13(3-4): 325-331. Plate , Fig.