none
Geological Time: Neogene Miocene
holotype
View of a specimen of Amphistegina chipolensis Cushman & Ponton, 1932
The identification is based upon:
, : Cushman, J. A.; Ponton, G. M. (1932). The Foraminifera of the Upper, Middle, and part of the Lower Miocene of Florida. Florida State Geol. Survey. 9: 1-147. Plate , Fig.