Kaczmarek, Łukasz, Łukasz Michalczyk, and S. J. Mcinnes. “Annotated Zoogeography of Non-Marine Tardigrada. Part I: Central America”. Zootaxa, vol. 3763, no. 1, Feb. 2014, pp. 1–62, doi:10.11646/zootaxa.3763.1.1.