none
Geological Time: Neogene Miocene
holotype
View of a specimen of Cibicidoides cushmani (Barbat & Estorff, 1933)
The identification is based upon:
, : Barbat, W. F. and F. E. Von Estorff. (1933). Lower Miocene Foraminifera from the Southern San Joaquin Valley, California. Journal of Paleontology. Vol. 7, No. 2 (Jun., 1933), pp. 164-174. Plate , Fig.