see text[1] Neppia is a genus of dugesiid triclad that is found in South America, Subantarctic region, Africa, Tasmania and New Zealand.

[2][3] Until 1974 Neppia was considered a subgenus of Dugesia.

[4] Phylogenetic tree including five dugesiid genera after Álvarez-Presas et al., 2008:[5] Girardia Neppia Cura Schmidtea Dugesia