Anthozoa - Scleractinia - Tropiastraeidae
Parent taxon: Scleractinia according to G. D. Stanley and T. Onoue 2015
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, Stylophyllina, Substuoresia, Thamnasteria cycloides, Thamnasteria komagataensis, Thamnasteria maxima, Thamnasteria protoserioides, Thamnasteria rikuzenica, Thamnasteriidae, Thamnasterites, Thecoseriopsis, Thigmastrea, Trachyphylliidae, Tropiastraea
Subtaxa: Guembelastraea Thamnasteriamorpha
Ecology: stationary intermediate-level epifaunal microcarnivore-photosymbiotic
Distribution:
• Triassic of Austria (1 collection), Canada (2: British Columbia), China (5), East Timor (1), Greece (1), Italy (7), Japan (4), the Russian Federation (1), Slovenia (2), Turkey (1), United States (2: Nevada, Oregon)
Total: 27 collections including 38 occurrences