There are currently five recognized species in the genus:45
Bianco, P.G., Ketmaier, V. (2014). A revision of the Rutilus complex from Mediterranean Europe with description of a new genus, Sarmarutilus, and a new species, Rutilus stoumboudae (Teleostei: Cyprinidae). Zootaxa, 3841 (3): 379–402. http://www.mapress.com/zootaxa/2014/f/z03841p402f.pdf ↩
Froese, Rainer; Pauly, Daniel, eds. (2016). "Species in genus Leucos". FishBase. /wiki/Rainer_Froese ↩
Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Leucos". Catalog of Fishes. California Academy of Sciences. Retrieved 31 March 2025. /wiki/William_N._Eschmeyer ↩