D. D.  Correa, ?Two new marine Turbellaria from Florida.?, Bull Mar Sci Gulf Caribb, vol. 10, pp. 208 - 216, 1960.

A.  Luther, ?Die Turbellarien Ostfennoskandiens I. Acoela, Catenulida, Macrostomida, Lecithoepitheliata, Prolecithophora, und Proseriata.?, Fauna Fennica, vol. 7, pp. 1 - 155, 1960.