↑Ehrenberg, C. G. (1831) Phytozoa Turbellaria africana et asiatica. In: Hemprich und Ehrenberg "Symbolae physicae." Animalia evertebrata exclusis insectis recensuit Dr. CG Ehrenberg. Series prima cum tabularum decade prima. Berolini, Fol. Phytozoa Turbellaria folia a-d, T4-5