Rajagopal, A.S. 1977. New Host Records of and Observations on the Epizoic Gastropod <I>Saptadanta nasika</i> Prashad and Rao. Records of the Zoological Survey of India. 73, 1-4 (Dec. 1977), 271–275. DOI:https://doi.org/10.26515/rzsi/v73/i1-4/1977/161920.