Hu, X., Kusuoka, Y. (2015). 
	Two Oxytrichids from the Ancient Lake Biwa, Japan, with Notes on Morphogenesis of Notohymena australis (Ciliophora, Sporadotrichida). Acta Protozoologica, 2015, 107-122. doi: https://doi.org/10.4467/16890027AP.15.009.2734