[1]
Łukasz Kaczmarek and Łukasz Michalczyk, “Redescription of Hypsibius microps Thulin, 1928 and H. pallidus Thulin, 1911 (Eutardigrada: Hypsibiidae) based on the type material from the Thulin collection”, Zootaxa, vol. 2275, no. 1, pp. 60–68, Oct. 2009.