Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Coelenterata
Cnidaria (Cnidarians)
Medusozoa
Hydrozoa
Hydroidolina (Hydroid subclass)
Siphonophorae (Siphonophora)
Rhodaliidae
Children (3 direct children, 3 direct and indirect children):
Stephalia bathyphysa
Stephalia dilata
Stephalia corona