American South USA
Geological Time: Carboniferous Pennsylvanian
the image is from a publication, which is cited in the table descriptions of the below cited book by
The identification is based upon:
Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 39, Fig. 5-7
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