Parent taxon: Polycystina according to O. Takahashi and Y. Miyake 2014
See also Buckman and Aitchison 2001, De Wever et al. 2001, Feng et al. 2004, Maletz and Bruton 2008, Noble and Maletz 2000, Sepkoski 2002, Sharma and Takahashi 2007, Wang et al. 2003 and Won and Iams 2002
Sister taxa: Albaillellaria, Archaeospicularia, Collodaria, Entactinaria, Latentifistularia, Nassellaria, Protobiramus
Subtaxa: Acaeniotylidae Acanthopyle Actinommidae Adiyamanium Allocyrtium Amphicyclia Amphistylus Anakrusidae Angulobracchiidae Antygoporidae Archaeospongoprunidae Artiscus Astractura Astrococcus Astrocyclia Astromma Astrosestrum Astrosphaeridae Beatricea Bernoulliidae Bolenidae Callosphaera Caltrop Cannartidium Cannartiscus Cannartus Capnuchosphaeridae Caryosphaera Caspiaza Caucasicus Cavaspongiidae Cenellipsis Cenodiscaella Cenodiscus Cenolarcopyle Cessipylorum Coccodiscidae Coccolarcus Conocaryommidae Conosphaera Cromyodruppocarpus Cromyostaurolonche Cryptolarancium Cyrtiphaeronemium Dactyliosphaeridae Dicoccura Dictyastrum Didactylum Diplactura Distriactis Domuzdagiidae Doryconthidium Dorydictyum Dorydiscus Dorydruppa Dorylonchidium Doryphacus Doryplegma Dorysphaera Druppastylus Druppocarpus Druppula Echinomma Ellipsidium Ellipsostylus Emiluviidae Entapiidae Euchitoniidae Flustrella Fontinella Foremanella Formanhelena Glomeropyle Hagiastridae Halidictyum Haliomma Haplotaeniatumidae Heliocladus Heliodiscidae Heliosoma Heterosestrum Hexacladus Hexacromyum Hexadoras Hexaloncharium Hexaporobrachiidae Hexapylomellidae Hexastylarium Hymenactura Kalimnasphaera Kreyzstella Lampasa Larcidium Larnacalpis Larnacantha Larnacillidae Leugeonidae Liosphaera Lithapium Lithatractus Melittosphaera Mendacastridae Miropylidae Natraglia Ommatocampe Ommatodiscus Ommatospyris Orbiculiformidae Orosphaeridae Orostaurs Palaeorubus Palaeotetraphyle Pantanelliidae Parasaturnalidae Paratriassoastridae Paratriassoastrum Parvivaccidae Patulibracchiidae Pentactinocapus Pentactura Pentalastrum Pentasphaera Phacotriactis Phantum Phorticum Phyletripes Pipetta Pipettaria Plegmosphaera Praeconocaryommidae Prunocarpus Pseudoacanthocircidae Pseudoacanthosphaera Pseudoaulophacidae Pseudosaturnalis Pyloniacea Pyloniidae Pyramispongiidae Rhodosphaera Rhopalodictyum Rustia Saturnaliacea Sethodiscinus Sethostaurus Spironium Spongasteriscus Spongiomma Spongoacanthus Spongobrachium Spongocoelia Spongodiscacea Spongodiscidae Spongolonche Spongopalliidae Spongophacus Sponguracea Sponguridae Srakaeosphaera Stauracontium Staurancistra Staurococcura Staurocromyum Staurocyclia Staurodictya Staurodoras Stauroplegma Staurostylus Stomatodiscus Streblacantha Stylosphaeridae Stylostaurus Styptosphaera Suttoniidae Tauridastrum Tetrapylonium Tetrarectangulum Tetriastrum Thalassicola Theodiscus Tholoniidae Tipperella Triactis Trigonocyclia Tripodictya Tritrabidae Trochodiscus Veghicycliidae Vinassaspongus Vitorfidae Xiphodictya Xiphostaurus Xiphostylidae Zonodiscus
Ecology: passively mobile planktonic omnivore