Tessler, M.; Barrio, A.; Borda, E.; Rood-Goldman, R.; Hill, M.; Siddall, M. E. (2016). Description of a soft-bodied invertebrate with microcomputed tomography and revision of the genus Chtonobdella (Hirudinea: Haemadipsidae). Zoologica Scripta. 45(5): 552-565.