Rota, Emilia, Patrick J. Schembri, and Pietro Omodeo. “Earthworms of Malta (Annelida: Clitellata: Acanthodrilidae,  Hormogastridae, Lumbricidae)”. Zootaxa 4311, no. 2 (August 23, 2017): 287–291. Accessed April 19, 2025. https://mapress.com/zt/article/view/zootaxa.4311.2.11.