†order Heliolitida Frech 1897 (tabulate coral)
Parent taxon: Tabulata according to O. A. Dixon 1998
See also Gierlowski and Langenheim 1985 and Kiessling 2003
Sister taxa: Acaciaporella, Auloporida, Fainella, Favosichaetetes, Favositida, Guizhouchaetetes, Halysitida, Hemiplasmopora, Kimilites, Kitakamilia, Lichenariida, Liopora, Lipopora, Mirandellidae, Neoroemeriidae, Nitkovicepora, Pachypseudoplasmopora, Plasmadictyon, Pseudoflecteria, Pseudotetradium, Pterodictyum, Rhacopora, Sarcinulida, Shanxipora, Spirapora, Subcladopora, Sytovaelites, Tetradiida, Victorilites, Yaoxianopora
Subtaxa: Coccoseridicae Halysitina Heliolitina
Ecology: stationary epifaunal suspension feeder-photosymbiotic