Plummer,H.J. (1926): Foraminifera of the Midway Formation in Texas . University of Texas Bulletin Vol. 2644(1) p. 1-206
White,M.P. (1928): Some index foraminifera of the Tampico embayment of Mexico, Part 1 . Journal of Paleontology Vol. 2(3) p. 177-215
Brönnimann,P. (1952): Trinidad Paleocene and lower Eocene Globigerinidae . Bulletins of American paleontology Vol. 34(143) p. 1-34
Bolli,H.M. (1957): The genera Globigerina and Globorotalia in the Paleocene-Lower Eocene Lizard Springs Formation of Trinidad, B.W.I . Bulletin of the U.S. National Museum Vol. 215 p. 61-82
Toumarkine,M. and Luterbacher,H.P. (1985): Paleocene and Eocene Planktic Foraminifera. In: Plankton Stratigraphy p. 87-154
Van Eijden,A.J.M. and Smit,J. (1991): Eastern Indian Ocean Cretaceous and Paleogene quantitative biostratigraphy. In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 121 Eds: Weissel, J.Peirce, J.Taylor, E.Alt, J. p. 77-123
|