“[First Occurrence of Sea Lamprey, Petromyzon Marinus Linnaeus 1758 (Agnatha, Petromyzontiformes, Petromyzontidae) in the River Mignone (Northern Lazio).]”. Natural History Sciences 8, no. 1 (May 12, 2021): 29–34. Accessed June 2, 2025. https://sisn.pagepress.org/nhs/article/view/510.