Romankenkius patagonicus is a species of freshwater triclad found in South America.[1]
References
^Sluys, R.; Kawakatsu, M.; Ponce De León, R. (2005). "Morphological stasis in an old and widespread group of species: Contribution to the taxonomy and biogeography of the genusGirardia(Platyhelminthes, Tricladida, Paludicola)". Studies on Neotropical Fauna and Environment. 40 (2): 155. doi:10.1080/01650520500070220.