Smout, A. H. (1955). Reclassification of the Rotaliidea (Foraminifera) and two new Cretaceous forms resembling Elphidium. Journal of the Washington Academy of Sciences. Vol. 45, No. 7 (July 1955), pp. 201-210.
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Smout, A. H.
1955
Reclassification of the Rotaliidea (Foraminifera) and two new Cretaceous forms resembling Elphidium