Literature

• Dresschner, Th.G.N., Engel, H. 1948. Hirudinea of the genus Helobdella from Curaçao and Venezuela. Studies on the fauna of Curaçao, Aruba, Bonaire and the Venezuelan Islands 3: 87-88.
• Encyclopedia of Life. [link]

Literature references linked to higher taxa

• Humann, P. 1992. Reef Creature Identification. New World Publications. (Annelida)
• Voss, G.L. 1976. Seashore Life of Florida and the Caribbean. 167. E.A. Seemann Publishing, Inc.. (Annelida)
• WoRMS. World Register of Marine Species. www.marinespecies.org. [link] (Annelida)