Skipp, B.; Holcomb, L. D.; Gutschick, R. C. (1966). Tournayellinae, calcareous Foraminifera in Mississippian rocks of North America. Cushman Foundation for Foraminiferal Research, Special Publication. 9: 1-38.
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Skipp, B.; Holcomb, L. D.; Gutschick, R. C.
1966
Tournayellinae, calcareous Foraminifera in Mississippian rocks of North America
Cushman Foundation for Foraminiferal Research, Special Publication