Frizzell, D. L., & Schwartz, E. (1950). A new lituolid foraminiferal genus from the Cretaceous, with
an emendation of Cribrostomoides Cushman. Bulletin of the University of Missouri School of Mines and Metallurgy. 76: 1-12.
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Frizzell, D. L., & Schwartz, E.
1950
A new lituolid foraminiferal genus from the Cretaceous, with
an emendation of Cribrostomoides Cushman.
Bulletin of the University of Missouri School of Mines and Metallurgy