Pijpers,P.J. (1933): Geology and Paleontology of Bonaire (D. W. I.) . Univ. Utrecht Geogr. Geol. Med., Phys.- Geol. Reeks Vol. 8 p. 1-103
Beckmann,J.P. (1957): Chiloguembelina Loeblich and Tappan and Related Foraminifera from the Lower Tertiary. In: Studies in Foraminifera, United States National Museum Bulletin Vol. 215 Eds: Loeblich, A.R.et al. p. 83-95
Quilty,P.G.. (1976): Planctonic foraminifera DSDP Leg 34- Nazca Plata . DSDP initial reports Vol. 34
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
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