Kaczmarek, Łukasz, & Michalczyk, Łukasz. (2009). Redescription of Hypsibius microps Thulin, 1928 and H. pallidus Thulin, 1911 (Eutardigrada: Hypsibiidae) based on the type material from the Thulin collection. Zootaxa, 2275(1), 60–68. https://doi.org/10.11646/zootaxa.2275.1.4