none
Geological Time: Carboniferous Pennsylvanian
holotype
View of a specimen of Ammodiscus semiconstrictus Gutschick&Treckmann, 1959
The identification is based upon:
, : Waters, J. A. (1927). A Group of Foraminifera from the Dornick Hills Formation of the Ardmore Basin. Journal of Paleontology. Vol. 1, No. 2 (Aug., 1927), pp. 129-133. Plate , Fig.
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