Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Spiralia (Spiralians)
Lophotrochozoa
Platyzoa
Platyhelminthes (Flatworms)
Trematoda (Fluke)
Digenea (Parasitic flatworms)
Opisthorchiida
Opisthorchiata
Opisthorchioidea (12071999)
Children (1 direct children, 335 direct and indirect children):
Heterophyidae
(tree size 334)