“The Median Eye of Freshwater Mites (Acari: Parasitengonae, Hydrachnidia) and Its Fate in the Stem Lineage of the Euhydrachnidia, Witte & Olomski 1991”. Soil Organisms, vol. 84, no. 2, Aug. 2012, pp. 445–458, https://soil-organisms.org/index.php/SO/article/view/276.