Ray, H. C. & Roychoudhuri, P. (1967). Description of a new species of freshwater snail, Viviparus zilchi, from Ratnagiri, Maharashtra, India (Mollusca, Gastropoda, Viviparidae). Archiv für Molluskenkunde. 96(3/6): 187–189.
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Ray, H. C. & Roychoudhuri, P.
1967
Description of a new species of freshwater snail, <i>Viviparus zilchi</i>, from Ratnagiri, Maharashtra, India (Mollusca, Gastropoda, Viviparidae)