none
Geological Time: Paleogene Oligocene
holotype
View of a specimen of Ammobaculites nummus Garrett, 1938
The identification is based upon:
, : Garrett, J. B. (1938). The Hackberry Assemblage: An Interesting Foraminiferal Fauna of Post-Vicksburg Age from Deep Wells in the Gulf Coast. Journal of Paleontology. Vol. 12, No. 4 (Jul., 1938), pp. 309-317. Plate , Fig.