The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • Graff L. von (1905) Marine Turbellarien Orottavas und der Küsten europas Zeitschrift fur wissenschaftlige Zoologie 83: 68-148
  • Meixner J. 1938. Turbellaria (Strudelwurmer) 2. System Tierewelt der Nord- und Ostsee Grimpe & Wagler : 147-207
  • Tyler, S.; Artois, T. (2015). Phonorhynchus helgolandicus. In: Artois, T.; Schockaert, E. & Tyler, S. (2015) World database of Proseriata and Kalyptorhynchia. Accessed through: World Register of Marine Species at


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