Related how?

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
Acanthocephala (Acanthocephalans)
Palaeacanthocephala
Echinorhynchida
Arhythmacanthidae

Paracanthocephaloidinae (3363139)

Children (3 direct children, 15 direct and indirect children):

Paracanthocephaloides (tree size 5)

Breizacanthus (tree size 6)

Calakmulrhynchus (tree size 1)