Cushman,J.A. and Stainforth,R.M. (1945): The foraminifers of the Cipero Marl Formation of Trinidad, British West Indies . Journal of Foraminiferal Research Vol. 14 p. 1-75
Kennett,J. and Srinivasan,M.S. (1983): Neogene Planktonic Foraminifera - A Phylogenetic Atlas.
Chaisson,W.P. and Pearson,P.N. (1997): Planktonic foraminifer biostratigraphy at Site 925: middle Miocene–Pleistocene. In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 154 Eds: Shackleton, N.J.Curry, W.B.Richter, C.Bralower, T.J.
Chaisson,W.P. and d'Hondt,S.L. (2000): Neogene planktonic foraminifer biostratigraphy at Site 999, Western Caribbean Sea. In: Proceedings of the Ocean Drilling Program, Scientific Results Vol. 165 Eds: Leckie, R.M.Sigurdsson, H.Acton, G.D.Draper, G. p. 19-56
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