Srinivasa Rao, H. “On the Anatomy of Indoplanorbis Exustus (Mollusca Pulmonata)”. Records of the Zoological Survey of India 25, no. 2 (March 31, 1923): 199–219. Accessed July 4, 2024. https://recordsofzsi.com/index.php/zsoi/article/view/162705.