Froehlich, E.M. and Froehlich, C.G. 1972. Land planarians from the Amazonian region. Papéis Avulsos de Zoologia. 26, 1-24 (1972-1973) (Feb. 1972), 29–45. DOI:https://doi.org/10.11606/0031-1049.1972.26.p29-45.