S. V. D. Amaral, S. M. de Oliveira, and A. M. Leal-Zanchet, “Three new species of land flatworms and comments on a complex of species in the genus Geoplana Stimpson (Platyhelminthes: Continenticola)”, Zootaxa, vol. 3338, no. 1, pp. 1–32, Jun. 2012.