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OutgroupDiplostomidaeStrigeidaeSanguinicolidaeSchistosomatidaeBivesiculidaeBucephalidaeOpecoelidaeTransversotrematidaeNotocotylidaeAzygiidaeBunocotylidaeHemiuridae2LecithasteridaeHemiuridaeSyncoeliidaeDerogenidaeSclerodistomidaeAngiodictyidaeAngiodictyidae2MesometridaeDiplodiscidaeParamphistomidaeHeronimidaeTandanicolidaeFellodistomidaeCyclocoelidaePhilophthalmidaeEchinostomatidaeFasciolidaeHaplosplanchnidaeCryptogonimidaeHeterophyidae2HeterophyidaeOpisthorchiidaeLepocreadiidae2LepocreadiidaeGyliauchenidaeEnenteridae

CampulidaeDicrocoelidaeGorgoderidaeOrchipedidaeGorgoderidae2

Acanthocolpidae

MonorchiidaeApocreadiidaeHaploporidaePlagiorchiidae2BrachycoeliidaeCephalogonimidaePlagiorchiidaeMicrophallidaeZoogonidaeZoogonidae2FaustulidaeParagonimidae

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