Literature

Authors	Year	Title
M. Vila-Farré, Sluys, R., Almagro, Í., Handberg-Thorsager, M., Romero, R.	2011	Freshwater planarians (Platyhelminthes, Tricladida) from the Iberian Peninsula and Greece: diversity and notes on ecology
N. M. de Campos-Velho, Lopes, K. A., Hauser, J.	2004	Morphometry of the eyes in regenerant of genus Dugesia (Platyhelminthes, Turbellaria, Dugesiidae)
R. Sluys, Kawakatsu, M., Yamamoto, K.	2010	Exotic freshwater planarians currently known from Japan
R. Sluys, Kawakatsu, M., de León, R. Ponce	2005	Morphological stasis in an old and widespread group of species: Contribution to the taxonomy and biogeography of the genus Girardia (Platyhelminthes, Tricladida, Paludicola)
M. Ribas, Riutort, M., Baguñà, J.	1989	Morphological and biochemical variation in populations of Dugesia (G.) tigrina (Turbellaria, Tricladida, Paludicola) from the western Mediterranean: biogeographical and taxonomical implications
A. W. Norden	2008	Freshwater Triclad Planarians (Turbellaria) from Plummers Island, Maryland
R. Kenk	1935	Studies on Virginian triclads
R. Kenk	1941	Induction of sexuality in the asexual form of Dugesia tigrina (Girard)
R. Kenk	1944	The fresh-water triclads of Michigan
M. Kalafatić, Kovacević, G., Franjević, D.	2006	Resistance of two planarian species to UV-irradiation
C. Frédéric Girard	1850	A brief account of the fresh water species of Planariae inhabiting the United States
D. L. Claussen, Walters L. M.	1982	Thermal acclimation in the fresh water planarians, Dugesia tigrina and D. dorotocephala
E. Benya, Leal-Zanchet, A. Maria, Santos, W. H., Hauser, J., Erdtmann, B.	2007	Chromosome polymorphism and complements in populations of Girardia species (Platyhelminthes, Tricladida, Paludicola) from Southern Brazil