Tuzovskij, P.V. 2013. New water mite species of the genus Piona Koch, 1842 (Acari, Hydrachnidia: Pionidae) from Northeastern Russia. Zootaxa. 3664, 3 (May 2013), 321–334. DOI:https://doi.org/10.11646/zootaxa.3664.3.3.