Parent taxon: Radiolaria according to K. M. Matsuzaki and N. Suzuki 2014
See also Buckman and Aitchison 2001, De Wever et al. 2001, Feng et al. 2004, Maletz and Bruton 2008, Nazarov and Ormiston 1983, Noble and Maletz 2000, Sepkoski 2002, Sharma and Takahashi 2007, Takahashi and Miyake 2014, Wang et al. 2003, Won and Iams 2002 and Won et al. 2007
Sister taxa: Actinommura, Adamas, Amphicentria, Amphicraspedum, Anthocyrtium, Archiphormis, Archipiliacea, Artocyrtis, Astractinium, Cancellientactinia, Carposphaeridium, Caryosphaera, Cavasphaera, Cenellipsis, Cenodiscus, Ceratastrum, Ceratoclathrulum, Cessipylorum, Challengeriacea, Chilomma, Choenicosphaera, Clathrocircus, Clathrocorona, Clavata, Coccodiscacea, Collodaria, Copiconica, Cornutanna, Cornutellium, Corythomelissa, Cromyatractus, Cromyechinus, Crucidiscus, Cryptoprora, Cubosphaera, Cyrtidosphaera, Cyrtophormis, Dictyocodon, Dictyospyrella, Dictyospyrissa, Diploplegma, Dipospyris, Dizonium, Druppatractona, Drymyomma, Dystympanium, Ectoactinia, Ehrenbergia, Ethmosphaeracea, Euphysetta, Guangxitrisphaera, Guttacapsa, Gyrosphaera, Halicapsa, Haploplus, Haplopolaris, Hapolpolus, Hataina, Heliaster, Heliosestilla, Helminentactinia, Hemisphaera, Hexalastrum, Hexaspyridium, Hexastylidium, Hymenastromma, Labyrinthosphaera, Lamprodiscus, Lithamphora, Litheliacea, Lithocampium, Lithocannosphaeropsis, Lithocorythium, Lithomitrella, Lithopilium, Lithotympanium, Lynchnocanella, Mazosphaera, Microlecitos, Neoaspiculum, Nyfrieslandia, Octalacorys, Odontosphaera, Palaeolithochytris, Palamphimorphium, Paleocenosphaera, Palhindeolithus, Panartus, Papinochium, Parafollicucullinoides, Pentalacorys, Pentinastrum, Peridium, Peripanartus, Peritiviator, Pheodaria, Plagoniacea, Plagoniscus, Polycystina, Praespongocoelia, Priscilatentidiota, Prismatium, Protocystis, Protosegmentum, Prunulum, Pseudostaurosphaera, Psilomelissa, Pteractis, Pylosphaera, Retientactinosphaera, Rotasphaeracea, Russirad, Sanctipaulelum, Saturnulus, Schizomma, Sethocorys, Sethodisculus, Soreuma, Spirillina, Spirocapsa, Spongocyrtis, Spongodruppa, Spongopila, Staurosphaerella, Stichopera, Stichopilidium, Stichopodium, Stichopterygium, Stomatosphaera, Stylactis, Stylotrochus, Tepka, Tessarastrum, Tessarospyris, Tetracorethra, Tetraedroclathrum, Thalassoplancta, Thallassosphaeracea, Thamnospyris, Theoconus, Theosyringium, Trigonactinium, Ulcundia, Veles, Xiphatractylis, Zygospyris
Subtaxa: Acaeniotylidae Acanthopyle Adiyamanium Allocyrtium Amphicyclia Amphisphaera Amphistylus Anakrusidae Angulobracchiidae Antygoporidae Archaeospongoprunidae Artiscus Aspiculumidae Astractura Astrococcus Astrocyclia Astromma Astrosestrum Astrosphaeridae Beatricea Bernoulliidae Bipylospongia Bolenidae Callosphaera Caltrop Cannartidium Cannartiscus Cannartus Capnuchosphaeridae Caspiaza Caucasicus Cavaspongiidae Cenodiscaella Cenolarcopyle Coccodiscidae Coccolarcus Conocaryommidae Conosphaera Cromyodruppocarpus Cromyostaurolonche Cryptolarancium Cubotholonium Cyrtiphaeronemium Dactyliosphaeridae Devoniglansus Dicoccura Dictyastrum Didactylum Diplactura Distriactis Domuzdagiidae Doryconthidium Dorydictyum Dorydiscus Dorydruppa Dorylonchidium Doryphacus Doryplegma Dorysphaera Druppastylus Druppocarpus Druppula Echinomma Ellipsidium Ellipsostylus Emiluviidae Entactiniacae Entapiidae Fontinella Foremanella Formanhelena Franklinia Futobari Glomeropyle Hagiastridae Halidictyum Haliomma Haplopolus Haplotaeniatumidae Heliocladus Heliodiscidae Heliosoma Heterosestrum Hexacladus Hexacromyum Hexadoras Hexaloncharium Hexaporobrachiidae Hexapylomellidae Hexastylarium Hymenactura Kalimnasphaera Kreyzstella Labyrinthia Lampasa Larcidium Larnacalpis Larnacantha Larnacillidae Liosphaera Lithapium Lithatractus Melittosphaera Mendacastridae Miropylidae Natraglia Ommatocampe Ommatodiscus Ommatospyris Orbiculopylorum Orosphaeridae Orostaurs Palaeotetraphyle Pantanelliidae Parabeothuka Parasaturnalidae Paratriassoastridae Paratriassoastrum Parvivaccidae Patulibracchiidae Pentactinocapus Pentactura Pentalastrum Pentasphaera Phacotriactis Phantum Phorticum Phyletripes Pipetta Pipettaria Plegmosphaera Plussatispila Praeconocaryommidae Primaritripus Prunocarpus Pseudoacanthocircidae Pseudoacanthosphaera Pseudoaulophacidae Pseudosaturnalis Pyloniacea Pyloniidae Pyramispongiidae Quasibeothuka Rhodosphaera Rhopalodictyum Saturnaliacea Schizodiscus Sethodiscinus Sethostaurus Spironium Spongasteriscus Spongiomma Spongoacanthus Spongobrachium Spongocoelia Spongodiscacea Spongodiscidae Spongolonche Spongopalliidae Spongophacus Spongosphaeradiscus Sponguracea Sponguridae Srakaeosphaera Stauracontium Staurancistra Staurococcura Staurocromyum Staurocyclia Staurodictya Staurodoras Stauroplegma Staurostylus Stomatodiscus Streblacantha Stylosphaeridae Stylostaurus Styptosphaera Suttoniidae Tauridastrum Tetrapylonium Tetrarectangulum Tetrasphaera Tetriastrum Thalassicola Theodiscus Tholomura Tholoniidae Tipperella Trigonocyclia Triplococcus Tripodictya Tritrabidae Trochodiscus Veghicycliidae Vinassaspongus Vitorfidae Xiphodictya Xiphostaurus Zadrappolus Zhuangodiscus Zonodiscus
Ecology: passively mobile planktonic omnivore