Parent taxon: Scleractinia according to R. C. Baron-Szabo and C.M. González-León 1999
Sister taxa: Adekoheastrea, Agathiphylliidae, Amphiastraeina, Anisocoenia, Annotocyathus, Anomopora, Antiguastrea, Antillophyllia, Apelismilia, Aplocyathus, Aplosmiliidae, Aquitanastraea, Archaeofungiina, Archaeolasmogyra, Archaeosmiliidae, Astraeoina, Astrocoeniina, Aulastraeoporidae, Bavarosmilia, Budiopsis, Calameastolia, Carantophyllum, Carcicocaenia, Caryophylliina, Caulastrea, Chorisastraea, Cladocora, Clausastraeopsis, Clonosmilia, Coelomeandra, Comoseriidae, Coscinaraeidae, Cyclastraeidae, Cyclindrocyathus, Cylindrosmilia, Cynaria, Cyphastrea, Decaheliocoenia, Dendrophylliina, Desmocoenia, Dichotomosmilia, Dictuophyllia, Diploastraeidae, Diplogyra, Diplothecangia, Distichophylliina, Ebocotrochus, Eburneotrochus, Echinopora, Eckastraeidae, Edwardsastraea, Edwardsomeandra, Epitrochus, Etalloniopsis, Euphylliidae, Eupsammidae, Eusmiliopsis, Fasciatiphyllia, Fasciseris, Faviina, Favites, Favitopsis, Felixaraeoidea, Fungiina, Fungophyllia, Furcophyllia, Gallitellia, Gardineroseris, Gombertiphyllia, Goniastrea, Haplareidae, Hedeliastraea, Heliostylina, Helladophyllia, Heterocoeniina, Houchangocyathus, Hydnophora, Isastraeidae, Isphyllastrea, Karatchastraea, Kobycoenia, Lamellomeandra, Lepiconus, Leptastreidae, Leptoria, Liptodendron, Lithodendron, Lobophylliidae, Lupitschia, Mareastraea, Meandriina, Merulina, Microsolenina, Miophora, Mioscapophyllia, Misistelloidea, Montastraeidae, Morchellastraea, Mycedium, Ondadiplocteniopsis, Oulastreidae, Oulophyllia, Pachyphylliidae, Pachysmilia, Pachythecaliina, Palaeophyllia, Palaeoseris, Palaeosmilia, Paracoryphyllia, Parastraeomorpha, Parastraeopora, Parepismiliidae, Pectinia, Phacellocoenia, Phylloseriopsis, Phyllosmilioidea, Platygyra, Plavecia, Plerogyridae, Plesiastreidae, Pleuropodia, Procladocora, Psammocyathus, Pyramisasteria, Reisocyathus, Reussiphyllia, Rhabdofavia, Rhipidogyrina, Rhopalophyllia, Saeptiphyllia, Sakalavastraeopsis, Saltastraea, Sclydolithus, Siderocoenia, Siliningastraea, Sinasteria, Siniastraea, Smilostyliidae, Solenocoeniidae, Streptocyathopsis, Streptocyathus, Stylinina, Stylophyllina, Substuoresia, Tarbellastraea, Thamnasteria cycloides, Thamnasteria komagataensis, Thamnasteria maxima, Thamnasteria protoserioides, Thamnasteria rikuzenica, Thamnasteriidae, Thamnasterites, Thamnastraea, Thecoseriopsis, Thecosmiliidae, Thigmastrea, Trachyphyllia, Tropiastraea, Tropiastraeidae
Subtaxa: Ellipsosmiliidae Pinacophyllidae
Ecology: stationary intermediate-level epifaunal microcarnivore-photosymbiotic
Distribution:
• Eocene of Somalia (1 collection)
• Jurassic of France (2), Georgia (1), Madagascar (3), Mexico (1), Morocco (1), Saudi Arabia (1), Tajikistan (1), the United Kingdom (3)
• Triassic of Austria (2), Canada (1: British Columbia), Chile (2), China (1), Italy (4), Poland (2), Slovenia (2), Thailand (1), Türkiye (1), United States (4: Alaska, Idaho, Oregon)
Total: 34 collections including 46 occurrences