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
Nemertea (Nemertean)
Anopla
Heteronemertea
Lineidae
Perissonemertes (18519439)
Children (1 direct children, 1 direct and indirect children):
Perissonemertes pyrrhocephala