Westerlund, C.A. 1886. VI. Fam. Ampullaridæ, Paludinidæ, Hydrobiidæ, Melanidæ, Valvatidæ & Neritidæ. Fauna Paläarct. Reg. Binnenconch. 2. Håkan Ohlsson's Buchdruckerei, Lund (R. Friedländer & Sohn, Berlin): 1-156, index (pp. [1]-13). ≡