Sibling Taxa
- Briareidae
- Chelidonisididae
- Chrysogorgiidae
- Coralliidae
- Cornulariidae
- Dendrobrachiidae
- Ellisellidae
- Erythropodiidae
- Helicogorgia
- Helioporidae
- Ideogorgiidae
- Ifalukellidae
- Isidoidae
- Keratoisididae
- Mopseidae
- Parasphaerascleridae
- Parisididae
- Pennatuloidea
- Pleurogorgiidae
- Primnoidae
- Sarcodictyonidae
- Spongiodermidae
- Stephanogorgia