(PLATYHELMTNTHES) 15 



Phylum PLATYHELMINTHES (flatworms)^ 



Class TURBELLARIA (turbellarians) 



Order ACOELA 



Class TREMATODA (flukes) 



Aphanostoma; Convoluta 

 Order RHABDOCOELA 



Catenula; Macrostomum; Dalyellia; Gyratrix; 

 Temnocephala; Paravortex 

 Order ALLOEOCOELA 



Hofstenia; Plagiostomum; Otomesostoma; 

 Monocelis 

 Order TRICLADmA 

 Sub-order Maricola 



Bdelloura; Uteriporus; Procerodes ( = Gunda) 

 Sub-order Paludicola 



Planaria; Dugesia { = Euphnaria) ; Dendrocoelum 

 Sub-order Terricola 



Geoplana; Rhynchodemus ; Bipalium 

 Order POLYCLADroA 

 Sub-order Acotylea 



Stylochus; Notoplana; Cestoplana 

 Sub-order Cotylea 



Thysanozoon; Eurylepta; Prosthiostomum 



Order MONOGENEA 



( = Heterocotylea) 

 Sub-order Monopisthocotylea 



Gyrodactylus: Dactylogyrus; Protogyrodactylus; 

 Udonella; Tristoma; Capsala; Acanthocotyle 

 Sub-order Polyopisthocotylea 

 Hexabothrium; Polystoma; Mazocraes; 

 Discocotyle; Diclybothrium; Microcotyle; 

 Gastrocotyle; Callorhynchicola; Diclidophora; 

 Hexostoma; Diploz.oon 

 Order ASPIDOGASTREA 



( = Aspidocotylea, Aspidobothria) 

 Aspidogaster 

 Order DIGENEA 



( = Malacocotylea) 

 Sub-order Gasterostomata 



Bucephalus 

 Sub-order Prosostomata 



Dicrocoelium, Fasciola ( = Distoma, Distomum) 

 (liver flukes, cattle & sheep); Clonorchis (Chinese 

 liver fluke disease); Heterophyes; Paragonimus 

 (lung fluke) ; Paramphistotnum (cattle rumen fluke) ; 

 Strigea: Diplostomum; Echinostoma; Parorchis; 

 Schistosoma ( = Bilharzia); Bilharziella 



Alternative classification by Dawes. 



