Parent taxon: Hexacorallia according to C. S. McFadden et al. 2021
See also Brownlaw and Jell 2008, Hill 1981, Sepkoski 2002 and Veron 2000
Sister taxa: Actiniaria, Actiniidae, Antipatharia, Scleractinia
Subtaxa: Acanthophillia Accurganaxon Adinophyllum Agastophyllum Alinkioduncanella Allotropiocarinophyllum Anactolasma Antracophyllum Aphroelasma Arcocyathus Arcoplasma Asarcophyllum Asterodisphyllum Astraeophyllum Asturiphyllum Aulostrotion Axinura Axocricophyllum Barbouria Bathybalva Belgradeophyllum Beogradophyllum Botrophyllum Brochiphyllum Calceolidae Calinastrea Campsactis Cardiaphyllum Cavilasma Cerioelasma Ceriphyllum Ceristella Changjianggouphyllum Charactophyllidae Charisphyllum Choanoplasma Chonophyllidae Complanophyllum Conilophyllum Cothoniida Crassophrentis Crateniophyllum Crepidophyllia Cuctienophyllum Curtastrum Cyanaphyllum Cyathactidae Cystihexagonaria Cystiphyllida Cystiphyllina Cystiphylloidae Cystocantrilla Cystodactylon Cystolyrielasma Cystostylus Cyttaroplasma Dibunophylloides Dimelasma Dinostrophinx Diversiphyllum Drewerelasma Duncania Duplocarinia Elasmophyllum Ellesmerelasma Ellipsocyathus Enallophrentis Entelophyllia Ericina Evenkiellidae Exostega Fomichivella Frechastrea Fromeophyllum Fruehwirthia Gaofengophyllum Gazimuria Gorskyella Gubbera Gudmania Gurieuskiella Hapsizaphrentis Hebukophyllum Hezhouphyllum Hinganastraea Honggulosma Huadianophyllidae Huananaxonia Indiophyllum Insoliphyllum Ipsiphyllum Jipaolasma Joachimastraea Keimanelasma Kenelasma Koninckocarina Kowalaephyllum Kullmannophyllum Lesliella Leurelasma Litvolasma Macgea Mecloudius Miroelasma Mixogonaria Molophyllum Murphyphyllum Neepaliphyllum Neoaspongophyllum Neocantrilla Neoclissiophyllum Neogrootia Neokeyserlingophyllum Neopetrozium Neostringophylloides Neotemnophyllum Ninghuaphyllum Nordastrea Novichuskia Orthophyllum Paleocyclidae Paracannia Paracolumnaria Paradoxaphyllia Paramixogonaria Parasiphonophyllia Parasterophrentis Parasunophyllum Parathysanophyllum Parazolophyllia Parvaxon Pentaphyllia Peronophyllum Phacelloplasma Phineus Pleurophyllum Polaroplasma Poliphyllum Polyadelphia Polydilasma Polygonaria Polyrophe Polythecalloides Praetachylasma Protoaulacophyllum Protocaninia Protocarcinophyllum Protocyathophyllum Protowentzellia Protozaphrentidae Pseudallotropiophyllum Pseudoamplexus Pseudoamygdalophyllum Pseudomicrocroplasma Pseudorhabdophyllum Ptychocalamocyathus Ptychocalamocyathus gracilis Puanophyllum Qinlingophyllum Rachaniephyllum Radiastrea Reimanelasma Rhytidolasma Rozkowskaella Schizophaulactis Schlueteriphylum Schreteria Scissoplasma Segdianophyllum Shansiphyllum Sigelophyllum Soetenia Sokoloviella Solominella Sphaerophyllum Spissophyllum Spongastraea Spongielasma Stauriida Stauromatidiidae Stegophyllum Stereodepasophyllum Stereodespasophyllum Stereophrentis Stilbophyllum Stringophylloides Stummelasma Subutaratuia Sutherlandia Taiziheophyllum Taruphyllum Tetrafossularia Texturiphyllum Thololasma Thoulelasma Thryptophyllum Thuliocyclus Thuriantha Thyryptophyllum Timanophyllum Tjanshanophyllum Trachylasma Trigonella Triphyllia Truncicarinulum Trypacystiphyllum Tryplasmidae Tumanophyllum Tumsucophyllum Turbinatocanina Ulanophyllum Vepresisociophyllum Veraephyllum Vischeria Vojnovskija Volgerophyllum Weiningophyllum Wenxianophyllum Wexolina Weyerelasma Xiangzhouphyllum Yanbianophyllum Yishanophyllum Yurievstiella Zaphrentacea Zelocystiphyllum Zenophilia Zhushanophyllum Zmeinogorskia
Ecology: stationary epifaunal suspension feeder