↑Ball, I. R.: A contribution to the phylogeny and biogeography of the freshwater triclads (Platyhelminthes: Turbellaria). Biology of the Turbellaria (Edited by: Riser NW and Morse MP). New York: McGraw-Hill New York 1974 , 339-401.
↑Sluys, R., Kawakatsu, M., Yamamoto, K., 2010. "Exotic freshwater planarians currently known from Japan". Belgian Journal of Zoology, 140 (Suppl.). p. 103-109
↑Meinken (H.)., 1925. Ein verkannter Laichraùher — Wochenschrift fur Aquarien und Terrarienkunde, 22 S : 94-96.
↑Meinken (H.)., 1927. Planaria maculata, ein aus Nordamerika eingeschleffter Laichriiber und seine Vertilgung — Blatter fiir Aquarien und Terrarienkunde, 38 S : 131-133.
↑Benazzi M., 1970. Karyological research on the American planarians Dugesia dorotocephala and Dugesia tigrina. J. Biol. Psychol. / Worm Runner's Digest, XII (1): 81-82.
↑Velde, G. (1975). "The immigrant triclad flatworm Dugesia tigrina (Girard) (Plathelminthes, Turbellaria). Range-extension and ecological position in the Netherlands". Hydrobiological Bulletin. 9 (3): 123–130. doi:10.1007/BF02263331.
↑An der Lan (H.)., 1962. Zur Turbellarien Fauna der Danau. Arch. Hydrobiol., suppl., 2 7 : 3-27.
↑Gee, H., 1990. The biology of the immigrant triclad Dugesia tigrina, (Girard): a comparative study with native triclad species. Unpublished Ph.D. Thesis, University of Liverpool, England.