none
Geological Time: Carboniferous Pennsylvanian
holotype
View of a specimen of Ammobaculites spirans Cushman and Waters, 1927
The identification is based upon:
, : Cushman, J. A.; Waters, J. A. (1927). Arenaceous Paleozoic Foraminifera from Texas. Contributions from the Cushman Laboratory for Foraminiferal Research. 3(3): 146-155. Plate , Fig.