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
Platyhelminthes (Flatworms)
Rhabditophora
Eulecithophora
Rhabdocoela
Typhloplanoida
Trigonostomidae

Ptychopera (18580035)

Children (14 direct children, 14 direct and indirect children):

Ptychopera hartogi

Ptychopera purasjokii

Ptychopera zostericola

Ptychopera subterranea

Ptychopera westbladi

Ptychopera spinifera

Ptychopera scutulifera

Ptychopera tuberculata

Ptychopera alaskana

Ptychopera japonica

Ptychopera avicularis

Ptychopera plebeia

Ptychopera ehlersi

Ptychopera unicornis