Literature
  • 1893
  • Marine Planarians of New England. Trans. Connec. Acad. 8: 459-520.
  • Nurse 1964
  • Marine Tricladida from Macquarie Island. Mem. Nat. Mus. Vict. 26: 157-166.
  • 1968
  • Marine triclads from the Plymouth area. J. mar. biol. Ass. U. K. 48: 209-223.
  • 1944
  • Marine Turbellaria from the Atlantic coast of North America. Am. Mus. Novit. 1266: 1-15.
  • Steinböck 1938
  • Marine Turbellaria. The zoology of Iceland, Levin and Munksgaard, Copenhagen and Reykjavik, vol. II, part 9: 1-26.
  • Holleman 1972
  • Marine Turbellarians of the Pacific coast 1. Proc. Biol. Soc. Wash. 85: 405-412.
  • 1881
  • Materiala ad zoographiam ponticam comparatum III. Vermes. Bull. Soc. Imp. Nat. Moscou 55: 222-225.
  • 1955
  • Miscellaneous marine and terrestrial flatworms from South America. Am. Mus. Novit. 1742: 1-33.
  • Lehmensick 1937
  • Morphologie und Histologie einer neuen Meerestriclade (Procerodes Harmsi n. sp.) mit Linsenaugen. Z. wiss. Zool. 149: 131-160.