Loeblich, A.R.; Tappan, H. (1957). Morphology and taxonomy of the foraminiferal genus Pararotalia Le Calvez, 1949. Smithsonian Miscellaneous Collections. v. 135 (2): 1-24.
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Loeblich, A.R.; Tappan, H.
1957
Morphology and taxonomy of the foraminiferal genus Pararotalia Le Calvez, 1949.