Kaczmarek, Łukasz, and Łukasz Michalczyk. 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). Auckland, New Zealand:60–68. https://doi.org/10.11646/zootaxa.2275.1.4.