Physonectae

Life-forms

Superregnum: Eukaryota
Cladus: Orthokaryota
Cladus: Neokaryota
Cladus: Scotokaryota
Cladus: Podiata
Cladus: Amorphea
Cladus: Obazoa
Cladus: Opisthokonta
Cladus: Holozoa
Cladus: Filozoa
Cladus: Choanozoa
Cladus: Holozoa
Regnum: Animalia
Phylum: Cnidaria
Cladus: Medusozoa
Classis: Hydrozoa
Ordo: Siphonophora
Subordo: Physonectae
Familiae: Agalmatidae - Apolemiidae - Athorybiidae - Erennidae - Forskaliidae - Physophoridae - Pyrostephidae - Rhodaliidae

Reference

http://www.ville-ge.ch/mhng/hydrozoa/sipho/physonectae.htm