Australian Unionicola (Acari: Hydrachnidia: Unionicolidae), with the description of two new subgenera and eight new species Author Smit, Harry text Zootaxa 2008 1674 1 26 journal article 10.5281/zenodo.180257 21374505-5b56-4fa8-a258-be4ec50db7eb 1175-5326 180257 Unionicola (Hyricola) scutata K.O. Viets, 1980 Unionicola (Pentatax) scutata K.O. Viets, 1980a : 35 . Unionicola (Australatax) scutata Vidrine 1985 : 140 ; Harvey 1998 : 143 . Unionicola (Hyricola) scutata Vidrine et al. 2007 : 51 . FIGURE 32–35. Unionicola crassiseta n. sp. , paratype male, 32 , ventral view, Scale bar = 200 µm; 33 , genital field, ventral view; 34 , genital field, posteromedial view; 35 , I-leg-4-6. Scale bars = 50 µm. Material examined . Northern Territory : 1 female , Campbell Springs, 38 km E of Victoria River Roadhouse, Gregory NP, 15° 29.749 S 131° 23.328 E , 4 October 2005 . Remarks . K.O. Viets (1980) described this species collected from the freshwater mussel Velesunio angasi (Sowerby) (Bivalvia: Hyriidae ). From this study it is clear that Unionicola scutata can be found free living as well. The species is only known from the Northern Territory.