Kaczmarek, Łukasz and Michalczyk, Łukasz 2017.

A description of Macrobiotus horningi sp. nov. and redescriptions of M. maculatus comb. nov. Iharos, 1973 and M. rawsoni Horning et al., 1978 (Tardigrada: Eutardigrada: Macrobiotidae: hufelandi group)

. Zootaxa. 4363, 1 (Dec. 2017), 79–100. DOI:https://doi.org/10.11646/zootaxa.4363.1.3.