Literature

• Catalogue of Life. Species 2000 & ITIS. [link]
• Justine, J.-L., Winsor, L., Gey, D., Gros, P. & Thévenot, J. 2017. Giant worms chez moi! Hammerhead flatworms (Platyhelminthes, Geoplanidae, Bipalium spp., Diversibipalium spp.) in metropolitan France and overseas French territories. PeerJ 6:e4672: 45. [link]

Literature references linked to higher taxa

• Humann, P. 1992. Reef Creature Identification. New World Publications. (Platyhelminthes)
• WoRMS. World Register of Marine Species. www.marinespecies.org. [link] (Platyhelminthes)