Parent taxon: Anthozoa according to Edwards 1988
See also Kiessling 2003, Klaamann 1964, Langenheim and McCutcheon 1959 and Sepkoski 2002
Sister taxa: Actiniae, Actinotheca, Conularia kaibabensis, Cysticyathus, Decaphyllum, Hexacorallia, Kitakamiphyllum, Numidiaphyllum, Octocorallia, Oekentorpia, Paiutiida, Pyxidophyllum, Roselletona, Spongarium, Stolonifera, Strobilasma, Tablulaconida, Zoantharia
Subtaxa: Acaciaporella Auloporida Fainella Favosichaetetes Favositida Guizhouchaetetes Halysitida Heliolitida Hemiplasmopora Kimilites Kitakamilia Lichenariida Liopora Lipopora Mirandellidae Neoroemeriidae Nitkovicepora Pachypseudoplasmopora Plasmadictyon Pseudoflecteria Pseudotetradium Pterodictyum Rhacopora Sarcinulida Shanxipora Spirapora Subcladopora Sytovaelites Tetradiida Victorilites Yaoxianopora