Horton, W. C. (1962). Foraminifera of the Cenozoic and recent genus Sphaerogypsina Galloway. Missouri School of Mines and Metallurgy. Masters Theses. 2719.
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Horton, W. C.
1962
Foraminifera of the Cenozoic and recent genus Sphaerogypsina Galloway.
Missouri School of Mines and Metallurgy. Masters Theses.