Lepore, Elena, Margherita Sciscioli, Maria Mastrodonato, Miriam Gherardi, Adriana Giangrande, and Luigi Musco. “Sperm Ultra-Structure and Spermiogenesis in Syllis Krohni (Polychaeta: Syllidae), With Some Observations on Its Reproductive Biology”. Scientia Marina 70, no. 4 (December 30, 2006): 585–592. Accessed April 26, 2024. https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/64.