Parent taxon: Scleractinia according to E. Roniewicz and J. Michalik 2002
Sister taxa: 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, Substuoresia, Thamnasteria cycloides, Thamnasteria komagataensis, Thamnasteria maxima, Thamnasteria protoserioides, Thamnasteria rikuzenica, Thamnasteriidae, Thamnasterites, Thecoseriopsis, Thigmastrea, Trachyphylliidae, Tropiastraea, Tropiastraeidae
Subtaxa: Gigantostyliidae Oppelismiliidae Stylophyllidae
Ecology: stationary intermediate-level epifaunal microcarnivore-photosymbiotic
Distribution:
• Oligocene of Greece (1 collection)
• Cretaceous of France (1), Switzerland (1)
• Jurassic of Afghanistan (4), Argentina (4), Canada (1: British Columbia), Chile (11), France (7), Italy (3), Morocco (11), Peru (2), Saudi Arabia (1), Slovenia (3), Spain (1), Tajikistan (7), Thailand (1), the United Kingdom (31), United States (5: California, Nevada, Oregon)
• Triassic of Austria (15), Bosnia and Herzegovina (1), Canada (5: British Columbia), Chile (3), China (11), Hungary (2), India (3), Indonesia (1), Iran (4), Italy (27), Japan (2), Malaysia (1), Mexico (2), Myanmar (1), Papua New Guinea (2), Peru (2), the Philippines (1), Poland (5), the Russian Federation (10), Slovakia (9), Slovenia (3), Tajikistan (8), Turkey (1), United States (18: Alaska, Idaho, Nevada, Oregon)
Total: 232 collections including 405 occurrences