Kingdom Animalia Linnaeus, 1758 - animals Phylum Platyhelminthes Gegenbaur, 1859 - flatworms Class Trematoda Rudolphi, 1808 - flukes see Infraclass Trematoda Rudolphi, 1808 1 Subclass Digenea Carus, 1863 2 Subclass Aspidogastrea Faust & Tang, 1936