Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Chaetognatha (Arrow worms)
Sagittoidea
Phragmophora
Heterokrohniidae
Children (1 direct children, 1 direct and indirect children):
Xenokrohnia sorbei