After Leme, Guimarães Simões, Marques & van Iten, 2008, with Recent families from Parker, 1982

<==o Scyphozoa Goette, 1887
   |?-o Rhizostomeae
   |  |-- Cassiopeidae
   |  |-- Catostylidae
   |  |-- Cepheidae
   |  |-- Lobonematidae
   |  |-- Lychnorhizidae
   |  |-- Mastigiidae
   |  |-- Rhizostomatidae
   |  |-- Stomolophidae
   |  |-- Thysanostomatidae
   |  `-- Versurigidae
   |--o Semaeostomeae
   |  |-- Cyaneidae
   |  |-- Pelagiidae
   |  `-- Ulmariidae
   `--+-- †Conulariina Miller & Gurley, 1896 [Conulata Moore & Harrington, 1956; Conulariida Miller & Gurley, 1896 sensu Moore & Harrington, 1956] (conulariids; kartiomeduusat; konulaarit)
      `--o Coronatae
         |-- Atollidae
         |-- Atorellidae
         |-- Linuchidae
         |-- Nausithoidae
         |-- Paraphyllinidae
         |-- Periphyllidae
         `-- Tetraplatidae

Reference(s):