1. Ahmed, S., Julka, J.M. & Kumar, H. (2020a) Earthworms (Annelida: Clitellata: Megadrili) of Solan, a constituent of Himalayan Biodiversity Hotspot, India. Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa”, 63 (1), 19–50. https://doi.org/10.3897/travaux.63.e49099
2. Ahmed, S., Rizvi, A.N., Julka, J. & Chandra, K. (2020b) Annelida: Oligochaeta: Megadrile. In: State Fauna. Series 24. Fauna of Haryana. Zoological Survey of India, Kolkata, pp. 67–74.
3. Ahmed, S., Rai, P. & Gupta, D. (2022a) Annelida: Clitellata: Oligochaeta and Hirudinea. In: Faunal Diversity of Biogeographic Zones of India: Gangetic Plains. Zoological Survey of India, Kolkata, pp. 85–90.
4. Ahmed, S., Emiliyamma, K.G., Marimuthu, N., Sajan, S. & Julka, J.M. (2022b) A new species of the genus Tonoscolex Gates, 1933 (Clitellata: Megascolecidae) from India. Zootaxa, 5124 (3), 375–382. https://doi.org/10.11646/zootaxa.5124.3.6
5. André, F. (1963) Contribution à l’analyse expérimentale de la reproduction des lombriciens. Bulletin Biologique de la France et de la Belgique, 81, 1–101.