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
Spadellidae
Calispadella (4753935)
Children (1 direct children, 1 direct and indirect children):
Calispadella alata