Alternative spelling: Scleractina
Parent taxon: Hexacorallia according to C. S. McFadden et al. 2021
See also Baron-Szabo 2002, Ezaki 2000, López-Pérez 2005, Sarr et al. 2024, Sepkoski 2002, Squires 1984, Squires 1987, Squires 1988 and Squires 1999
Sister taxa: Actiniaria, Actiniidae, Antipatharia, Rugosa
Subtaxa: Adekoheastrea Agathiphylliidae Amphiastraeina Annotocyathus Anomopora Apelismilia Aplocyathus Aplosmiliidae Archaeocoeniina Archaeofungiina Archaeolasmogyra Archaeosmiliidae Astraeoina Astrocoeniina Aulastraeoporidae Bavarosmilia Budiopsis Calameastolia Carantophyllum Carcicocaenia Caryophylliina Chorisastraea Clausastraeopsis Clonosmilia Coelomeandra Comoseriidae Coscinaraeidae Cyclastraeidae Cyclindrocyathus Cylindrosmilia Cynaria Decaheliocoenia Dendrophylliina Desmocoenia Dichotomosmilia Diploastraeidae Diplothecangia Distichophylliina Ebocotrochus Eburneotrochus Eckastraeidae Edwardsomeandra Epitrochus Etalloniopsis Euphylliidae Eupsammidae Eusmiliopsis Fasciatiphyllia Fasciseris Faviina Favitopsis Felixaraeoidea Fungiina Furcophyllia Gallitellia Gardineroseris Gombertiphyllia Haplareidae Hedeliastraea Heliostylina Helladophyllia Heterocoeniina Houchangocyathus Isastraeidae Isphyllastrea Karatchastraea Kobycoenia Lamellomeandra Lepiconus Leptastreidae Lithodendron Lobophylliidae Lupitschia Mareastraea Meandriina Microsolenina Miophora Mioscapophyllia Misistelloidea Montastraeidae Morchellastraea Ondadiplocteniopsis Oulastreidae Pachyphylliidae Pachysmilia Pachythecaliina Palaeophyllia Palaeoseris Palaeosmilia Paracoryphyllia Parastraeomorpha Parastraeopora Parepismiliidae Phylloseriopsis Phyllosmilioidea Plerogyridae Plesiastreidae Pleuropodia Psammocyathus Pyramisasteria Reisocyathus Reussiphyllia Rhabdofavia Rhipidogyrina Rhopalophyllia Saeptiphyllia Sakalavastraeopsis Saltastraea Sclydolithus Siderocoenia Siliningastraea Sinasteria Siniastraea Smilostyliidae Solenocoeniidae Streptocyathopsis Streptocyathus Stylinina Stylophyllina Substuoresia Thamnasteria cycloides Thamnasteria komagataensis Thamnasteria maxima Thamnasteria protoserioides Thamnasteria rikuzenica Thamnasteriidae Thamnasterites Thamnastraea Thecoseriopsis Thecosmiliidae Thigmastrea Trachyphylliidae Tropiastraea Tropiastraeidae
Ecology: stationary intermediate-level epifaunal microcarnivore-photosymbiotic