World Register of Marine Species (WoRMS)
Gymnophallata Pérez-Ponce de León & Hernández-Mena, 2019
WoRMS (2026). Gymnophallata. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1442242 on 2026-08-03
Pérez-Ponce de León, G.; Hernández-Mena, D. (2019). Testing the higher-level phylogenetic classification of Digenea (Platyhelminthes, Trematoda) based on nuclear rDNA sequences before entering the age of the 'next-generation' Tree of Life. Journal of Helminthology. 93 (3): 260–276.
Pérez-Ponce de León & Hernández-Mena, 2019