Genus:
Cardiocephaloides >
Subfamily:
Strigeinae >
Family:
Strigeidae >
Superfamily:
Diplostomoidea >
Suborder:
Diplostomata >
Order:
Diplostomida >
Subclass:
Digenea >
Class:
Trematoda >
Subphylum:
Rhabditophora >
Phylum:
Platyhelminthes >
Kingdom:
Animalia >
Unranked:
Biota >