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
Mollusca (Molluscs)
Eumollusca
Conchifera
Helcionelloida
Archaeobranchia (20706617)
Children (2 direct children, 43 direct and indirect children):
Helcionellid
(tree size 41)
Helcionelliformes
Pelagielliformes