original description
Graff, L. von. (1905). Marine Turbellarien Orottavas und der Küsten Europas. <em>Zeitschrift fur wissenschaftlige Zoologie.</em> 83: 68-150. With 6 plates., available online at https://www.biodiversitylibrary.org/page/43242488
page(s): 116, t. 4, f. 21-26 [details]
basis of record
Faubel, A.; Noreña, C. (2001). Turbellaria, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 123-136 (look up in IMIS) [details] Available for editors [request]
additional source
Ax, P. (2008). Plathelminthes aus Brackgewässern der Nordhalbkugel. Akademie der Wissenschaft und der Literatur Mainz, Franz Steiner Verlag, Stuttgart, 696 pp. [details]
From editor or global species database