Olsson et al. (1999):
1957 Chiloguembelina subtriangularis Beckmann. - Beckmann : p. 91 pl. 21, fig. 5, text-fig. 15(39-42) (Paleocene, lower Lizard Springs Fm., Globorotalia pusilla pusilla Zone)
Van Eijden & Smit (1991):
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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
Said,R. and Kerdany,M.T. (1961): The Geology and Micropaleontology of the Farafra Oasis, Egypt . Micropaleontology Vol. 7 p. 317-336
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
Olsson,R.K.; Berggren,W.A.; Hemleben,C. and Huber,B.T. (1999): Atlas of Paleocene planktonic foraminifera - online version. , Smithsonian Contributions to Paleobiology Vol. 85 p. 1-252
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