A cladogram based on sequences of cytochrome-c oxidase I (COI) genes showing phylogenic relations of genera in the family Philomycidae by Tsai & Wu (2008)Tsai C.-L. & Wu S.-K. (2008). A new Meghimatium slug (Pulmonata: Philomycidae) from Taiwan. Zoological Studies 47(6): 759-766. PDF. (simplified):
