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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
Xiphidiata
Allocreadioidea
Opecoelidae

Gaevskajatrema (18585897)

Children (4 direct children, 4 direct and indirect children):

Gaevskajatrema halosauropsi

Gaevskajatrema pontica

Gaevskajatrema perezi

Gaevskajatrema balistes