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)
Plagiorchiida
Apocreadiata
Apocreadioidea (18606400)
Children (1 direct children, 136 direct and indirect children):
Apocreadiidae
(tree size 135)