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)
Neoophora
Trypanorhyncha
Trypanoselachoida
Gymnorhynchoidea
Aporhynchidae
Children (2 direct children, 2 direct and indirect children):
Nakayacestus takahashii
Nakayacestus tanyderus