Parent taxon: Scleractinia according to R. C. Baron-Szabo and C.M. González-León 1999
Sister taxa: Adekoheastrea, Agathiphylliidae, Amphiastraeina, Annotocyathus, Anomopora, Apelismilia, Aplocyathus, Aplosmiliidae, 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, Thecoseriopsis, Thigmastrea, Trachyphylliidae, 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), Turkey (1), United States (4: Alaska, Idaho, Oregon)
Total: 34 collections including 46 occurrences