unaccepted (All subgenera of Geoplana are considered full genera by Carbayo et al. (2013). Therefore, all species are listed as species of Geoplana, as they were described originally.)
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2025). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Geoplana (Geoplana) caya Du Bois-Reymond Marcus, 1951. Accessed at: https://marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=482803 on 2025-02-15
original description(ofGeoplana caya Du Bois-Reymond Marcus, 1951)Marcus, Ev. D. B.-R. (1951). On South American geoplanids. <em>Bol Fac Fil Ciên L Un S Paulo Ser Zool.</em> 16: 217-256.[details] Available for editors
Present Inaccurate Introduced: alien Containing type locality