living organisms Superkingdom Eukaryotae Kingdom Animalia [Linnaeus, 1758] Subkingdom Eumetazoa [Butschli, 1910] Phylum Platyhelminthes [Gegenbaur, 1859] Class Trematoda [Rudolphi, 1808] Subclass Digenea [Carus, 1863] Order Plagiorchiida [La Rue, 1957] Suborder Plagiorchiata Superfamily Plagiorchioidea [(Luhe) Dollfus] Family Rhytidodidae [Odhner, 1926] 1 Genus Rhytidode 2 Genus Rhytidodoides [Price, 1939]