Fery, Hans, and Ömer Köksal Erman. “Five New Species of the longulus-Group of Hydroporus Clairville, 1806 from North-Eastern Turkey (Coleoptera: Dytiscidae)”. Zootaxa 2033, no. 1 (March 11, 2009): 1–12. Accessed May 3, 2025. https://www.mapress.com/zt/article/view/zootaxa.2033.1.1.