O.  Steinböck, ?Die Turbellarien des arktischen Gebietes.?, Fauna Arctica, vol 6, ss 295 - 342, 1932.

J.  Dörjes och Karling, T. G., ?Species of Turbellaria Acoela in the Swedish Museum of Natural History, with remarks on their anatomy, taxonomy and distribution.?, Zool Scr, vol 4, ss 175 - 189, 1975.

Y. I.  Tekle, Raikova, O. I., Ahmadzadeh, A., och Jondelius, U., ?Revision of the Childiidae (Acoela), a total evidence approach in reconstructing the phylogeny of acoels with reversed muscle layers.?, J Zool System Evol Res, vol 43, ss 72 - 90, 2005.