| Stamm • Klasse | Ordnung • Überfamilie | Gattung | |
| Plathelminthes • Trematoda | Strigeida | Schistosoma, Bilharziella, Trichobilharzia | |
| Echinostomida | Fasciola, Fasciolopsis, Echinostoma | ||
| Plagioorchiida | Dicrocoelium, Paragonimus | ||
| Opisthorchiida | Opisthorchis, Clonorchis, Heterophyes, Metagonimus | ||
| • Cestoda | Pseudophyllida | Diphyllobothrium | |
| Cyclophyllida | Taenia, Echinococcus, Hymenolepis | ||
| Nematoda • Secernentea | Rhabditida | Strongyloides | |
| Strongylida | Ancylostoma, Necator, Trichostrongylus, Angiostrongylus (=Parastrongylus), | ||
| Oxyurida | Enterobius | ||
| Ascaridida | Ascaris, Toxocara, Baylisascaris, Anisakis, Phocanema, Contracaecum | ||
| Spirurida | • Filarioidea | Wuchereria, Brugia, Loa, Onchocerca, Mansonella, Dirofilaria | |
| • Dracunculoidea | Dracunculus | ||
| • Adenophorea | Enoplida | Trichuris, Trichinella | |