1. Ball, I. R. & T. B. Reynoldson, 1981. British planarians. Cambridge University Press, 141 pp.
2. Ghosh, P., 1988. Studies on some aspects of biology, histology and histochemistry of Dugesia bengalensis Kawakatsu from W. Bengal. Ph.D. Thesis (Science), University of Burdwan.
3. Hyman, L. H., 1945. Dugesia. In F. A. Brown, Jr (ed.), Selected invertebrate types. John Wiley & Sons, Inc. Toppan Co., Ltd., Tokyo.
4. Kawakatsu, M., I. Oki, S. Tamura, T. Yamayoshi & A. K. Aditya, 1983. A new freshwater planarian from West Bengal. Bull. biogeogr. Soc. Jpn 38: 1?10.
5. Mahapatra, S., A. K. Aditya & S. K. Ghosal, 1987. Studies on the fission of an Indian freshwater planarian Dugesia bengalensis (Kawakatsu). Ind. J. Helminth. n.s. 4: 21?26.