Pyrostephidae is a family of cnidarians belonging to the order Siphonophorae. Genera: Bargmannia Totton, 1954 Pyrostephos Moser, 1925 "Pyrostephidae"....
Physonectae (consisting of the clades Calycophorae and Euphysonectae), Pyrostephidae, and Apolemiidae. Suborder Calycophorae Abylidae Agassiz, 1862 Clausophyidae...
The list of marine cnidarians of South Africa is a list of saltwater species that form a part of the cnidarian (Phylum Cnidaria) fauna of South Africa...