Herbert, D. G. & Moussalli, A. (2010). Revision of the larger cannibal snails (Natalina s. l.) of southern Africa — Natalina s. s., Afrorhytida and Capitina (Mollusca: Gastropoda: Rhytididae). African Invertebrates. 51(1): 1-132.
Revision of the larger cannibal snails (Natalina s. l.) of southern Africa — Natalina s. s., Afrorhytida and Capitina (Mollusca: Gastropoda: Rhytididae)