POLYCYSTINA
Polycystina (615 spp)
Acaeniotylopsis
Acanthocorys
Acanthosphaera
Aciferopylorum
'Acrobotrys'
Acrocubus
Acrosphaera collina
Acrosphaera echinoides
Acrosphaera inflata
Acrosphaera spinosa
Actinomma asteracanthion
Actinomma drymodes
Actinomma inerme
Actinomma trinacrium
Actinosphaera
Actissa princeps
Alacorys
Amphipyle amphiptera
Amphipyle callizona
Amphipyle tetraceros
Amphirhopallum
Amphisphaera
Amphitholonium tricolonium
Amphitholus acanthometra
Amphitholus arcticus
Amphitholus panicium
Amphitholus tricolonium
Androcyclas
Annulosaturnalis
Annulotriassocampe
Antarctissa
Anthocyrtidium
Anthocyrtis
Anthocyrtium campanula
Arachnocalpis
Arachnocorys circumtexta
Arachnocorys umbellifera
Arachnosphaera myriacantha
Arachnosphaera oligacantha
Archaeocenosphaera
Archidiscus pylonicus
Archipilium
Archiscenium
Artobotrys
Artopilium elegans
Artostrobus
Aspis
Astrocentrus
Astrolobus
Astrosphaera stellata
Axoprunum
Baloghisphaera
Belonozoum
Betraccium
Beturiella
Bipylospongia
Botryocampe hexathalamia
Botryocyrtis
Botryopyle
Botryostrobus aquilonaris
Botryostrobus auritis
Botryostrobus hollisi
Buccinosphaera stomodae
Calocyclas monumentum
Calocycletta
Caltrop
Caminosphaera dendrophora
Caneta
Cannartidium mammiferum
Cannartidium mastophorum
Cannartiscus amphiconiscus
Cannartus
Canoptum
Cantalum
Caphtorocyrtium
Capnodoce
Capnuchosphaera
Cariver
Carpocanarium
Carpocanistrum
Carpocanium diadem
Carpocanthum
Carpocryptocapsa
Carposphaera
Cenosphaera compacta
Cenosphaera elysia
Cenosphaera favosa
Cenosphaera mellifica
Cenosphaera vesparia
Centracontarium
Centrobotrys
Centrocubus
Centrolonche
Chitonastrum
Choenicosphaera flammabunda
Choenicosphaera murrayana
Choenicosphaera nassiterna
Cinguloturris carpatica
Circodiscus
Circotympanum octogonium
Cladococcus bifurcus
Cladococcus cervicornis
Cladococcus dentatus
Cladococcus spinifer
Cladococcus viminalis
Cladoscenium
Clathrocanium reginae
Clathrocyclas
Clathromitra
Clathrosphaera arachnoides
Clathrosphaera circumtexta
Clathrospyris pyramidialis
Clavaxitus
Coccodiscus darwinii
Collophidium serpentinum
Collosphaera globularis-huxleyi
Collosphaera huxleyi
Collosphaera polygona
Collosphaera primordialis
Collozoum amoeboides
Collozoum caudatum
Collozoum coeruleum
Collozoum ellipsoides
Collozoum inerme
Collozoum pelagicum
Collozoum serpentinum
Collozoum vermiforme
Complexapora
Conarachnium
Conicavus
Conosphaera orthoconus
Conosphaera plagioconus
Conosphaera platyconus
Cornutella
Corocalyptra
Coronosphaera calycina
Coronosphaera diadema
Cromyechinus
Cromyomma
Cryptogyrus
Cubotholonium ellipsoides
Cubotholus regularis
Cycladophora
Cyphinus amphilophus
Cyrtidosphaera
Cyrtocalpis
Cyrtocapsa
Cyrtocapsella
Cyrtopera
Cyrtophormis
Deflandrecyrtium
Deflandrella
Diclyocoryne
Dicranastrum furcatum
Dictyocephalus
Dictyoceras
Dictyocodon annasethe
Dictyocoryne profunda
Dictyocoryne truncatum
Dictyomitra
Dictyophimus tripus
Dictyopodium
Dictyosoma trigonizon
Dictyporora gibsoni
Didymocyrtis ceratospyris
Didymocyrtis tetrathalamus
Dimelissa
Diplosphaera
Discopyle
Discospira operculina
Disolenia
Dizonium pleuracanthum
Dizonium stauracanthum
Dorydruppa
Dreyerella
Dreyericyrtium
Dreyeropyle
Druppatractus
Drymosphaera
Dumitricasphaera
Durahelenifore
Elaphospyris
Elatomma
Ellipsostylus aquila
Ellipsostylus columba
Ellipsostylus hirundo
Ellipsoxiphus atractus
Ellipsoxiphus bipolaris
Ellipsoxiphus claviger
Ellipsoxiphus elegans
Elodium
Enalomelon
Entapium
Eoalbaillela
Eonapora
Eospongosaturninus
Eptingium
Ethmosphaera conosiphonia
Ethmosphaera polysiphonia
Eucecryphalus gegenbaur
Eucecryphalus schultzei
Euchitonia bechmanni
Euchitonia carcinus
Euchitonia elegans
Euchitonia gegenbauri
Euchitonia kollikeri
Euchitonia leydigii
Euchitonia mulleri
Euchitonia virchowi
Eucyrtidium acuminatum
Eucyrtidium anomalum
Eucyrtidium carinatum
Eucyrtidium cranoides
Eucyrtidium galea
Eucyrtidium hexagonatum
Eucyrtidium hexastichum
Eucyrtidium lagena
Eucyrtidium reticulum
Euscenium
Fluegelium
Glomeropyle
Gomberellus
Grandicapsula
Guangxitrisphaera
Gustefana
Haeckelicyrtium
Haeckeliella
Haliomma capillaceum
Haliomma castanea
Haliomma echinaster
Haliomma erinaceus
Haliomma triplex
Halosphaera
Haplotaeniatum
Hecancistra
Heliodiscomma
Heliodiscus glyphodon
Heliodiscus phacodiscus
Heliodrymus dendrocyclus
Helioosphaera actinota
Helioosphaera echinoides
Helioosphaera elegans
Helioosphaera inermis
Helioosphaera tenuissima
Heliosoma
Heliosphaera actinota
Heliosphaera echinoides
Heliosphaera elegans
Heliosphaera inermis
Heliosphaera tenuissima
Helotholus
Heptacladus
Heterosphaera
Hexacontium asteracanthion
Hexalonche
Hexaporobrachia
Hexapyle
Hexapylocapsa
Hexapylomella
Hexapyramis
Hexaspyris
Hexastylus
Hexinastrum geryonidium
Hindeosphaera
Hinedorcus
Histiastrum boseanum
Holdsworthella
Hozmadia
Hymeniastrum
Icrioma
Italosaturnalis
Kahlerosphaera
Kinyrosphaera
Klaengspongus
Lacisus
Lampoxanthium pandora
Lamprocyclas
Lamprocyrtis
Lampromitra
Lanubus
Larcopyle butschlii
Larcospira
Larnacalpis
Leptosphaera
Liassosaturnalis
Lipmanella
Lithapium halicapsa
Lithapium monocyrtis
Lithapium pyriforme
Litharachnium tentorium
Lithelius alveolina
Lithelius spiralis
Lithobotrys
Lithocampana
Lithochytris
Lithocircus magnificus
Lithocubus
Lithomelissa thoracites
Lithomespilus flammabundus
Lithomespilus phloginus
Lithomespilus phlogoides
Lithomitra
Lithopera oceania
Lithornium
Lithostrobus
Lithotympanum
Loffa
Lophocorys
Lophocyrtis
Lophophaena
Lychnocanium
Lychnosphaera regina
Maudia
Mazosphaera hippotis
Mazosphaera lagotis
Microcubus zonarium
Mictyoditra
Monozonium alatum
Mostlerispongus
Multiarcusella
Myelastrum dodecaceros
Myelastrum papilio
Nanina
Natraglia
Neobotrys
Neosemantis
Neotripocyclia
Nofrema
Noviforemanella
Octodendron
Octopyle decastyle
Octopyle sexangulata
Octopyle stenozona
Octosaturnalis
Odontosphaera cyrtodon
Odontosphaera monodon
Oertlisphaera
Oertlispongus
Ommatodiscus
Ornatisaturnalis
Orosphaera huxleyii
Ovulopyle
Pactarentinia
Palaeoactinosphaera
Palinandromeda
Panartium
Panicium
Paraholoeciscus
Parapoulpus
Parasaturnalis
Parasepsagon
Parastomatosphaera
Parentactinosphaera
Parvivacca
Pentactinosphaera
Pentaspongodiscus
Pentinastrum asteriscus
Peridium
Peripanartus amphiconus
Peripanicium amphicorona
Peripyramis
Peromelissa
Petalospyris
Pharynogosphaera stomodae
Phormospyris stabilis
Phormostichoartus
Phrenocodon
Physematium mulleri
Plafkerium
Plectanium
Plectopyramis
Plegmosphaera
Podocyrtis
Poulpus
Praecaneta
Praedruppatractylis
Praenanina
Praeparvicingula
Praespongocoelia
Praexitus
Protoceratoikiscum
Protoholoeciscus
Protoscenium
Proventocitum
Pseudacanthocircus
Pseudocubus obeliscus
Pseudodictyophimus
Pseudohagiastrum
Pseudorotasphaera
Pseudosaturniforma
Pseudostigmosphaera
Pseudoxitus
Pterocanium trilobum
Pterocorys rhinoceros
Pterocorys zancleus
Pterocyrtidium
Pteropilium
Pteroscenium
Pyloctostylus
Pylodena
Pylodiscus
Pylonium quadricorne
Pylospyris
Pylozonium octacantum
Quadrilobata
Quarkus
Relindella
Rhaphidococcus acufer
Rhaphidozoum acuferum
Rhizoplegma lychnosphaera
Rhizosphaera trigonacantha
Rhopaloplastrum
Riedelipyle
Rotasphaera
Ruesticyrtium
Ruzhencevispongus
Saccospyris
Sala
Saldorfus
Sanfilippoella
Sarla
Saturnalis annularis
Saturnalis circoideus
Saturnalis rotula
Schaafella
Semantis sigilium
Semihsuum
Sepalospyris
Sertasaturnalis
Sethoconus
Shana
Siphocampe
'Siphonosphaera chonophora'
'Siphonosphaera conifera'
'Siphonosphaera cyathina'
'Siphonosphaera patinaria'
'Siphonosphaera pipetta'
'Siphonosphaera serpula'
'Siphonosphaera socialis'
'Siphonosphaera tubulosa'
Slylochlamydium
Solenosphaera ascensionis
Solenosphaera colina
Solenosphaera cornucopia
Solenosphaera pandora
Solenosphaera serpentina
Solisaturnalis
Sphaerellia
Sphaeropyle
Sphaerozoum alveolatum
Sphaerozoum arborescens
Sphaerozoum armatum
Sphaerozoum geminatum
Sphaerozoum italicum
Sphaerozoum ovodimare
Sphaerozoum pandora
Sphaerozoum punctatum
Sphaerozoum spinosissimum
Sphaerozoum spinulosum
Sphaerozoum trigeminum
Sphaerozoum variabile
Sphaerozoum verticillatum
Spicularina
Spinodeflandrella
Spinoellipsella
Spirocyrtis
Spongaster tetras
Spongiostoma
Spongobrachium
Spongocore
Spongodiscus biconcavus
Spongodiscus mediterraneus
Spongodiscus resurgens
Spongoliva
Spongopallium
Spongopyle osculosa
Spongosaturnalis
Spongosilicarmiger
Spongosphaera helicoides
Spongosphaera polyacantha
Spongosphaera streptacantha
Spongostaurus
Spongotrochus brevispinus
Spongotrochus longispinus
Spongurus cylindricus
Spyridobotrys
Srakaeosphaera
Stauraconlium
Staurolonche
Stauromesosaturnalis
Staurotholonium octodoronium
Staurotholus dodecastylus
Staurotholus tetrastylus
Steganocubus
Stephanastrum
Stichopera
Stichophaena ritteriana
Stichophormis
Stichopilium
Stigmostylus
Stomatosphaera
Stylacontarium
Stylactinosphaera
Stylatractus
Stylochlamydium
Stylodictya multispina
Stylodictya quadrispina
Stylosphaera
Stylospongia
Stylostaurus caudatus
Styptosphaera
Svinitzium
Syntagentactinia
Syscioscenium
Tamonella
Tethysetta
Tetracorethra
Tetrapetalon
Tetraphormis
Tetraplecta
Tetraporobrachia
Tetrapyle circularis
Tetrapyle octacantha
Tetrapyle pleuracantha
Tetrapyle turrita
Tetrapylonium quadrangulare
Tetraspongodiscus
Tetrentactinia
Thalassicolla maculata
Thalassicolla melacapsa
Thalassicolla nucleata
Thalassicolla pellucida
Thalassicolla spumida
Thalassicolla zanclea
Thalassolampe
Thalassophysa margarodes
Thalassophysa pelagica
Thalassophysa sanguinolenta
Thalassopila
Thalassoplancta bifurca
Thalassoplancta brevispicula
Thalassoplancta cavispicula
Thalassoxanthium cervicorne
Thalassoxanthium meducinum
Thalassoxanthium octoceras
Thecosphaera
Theocalyptra
Theocapsa
Theoconus
Theocorys
Theocorythium
Theocotyle
Theophormis
Theopilium
Tholartus tricolus
Tholocubus tessalatus
Tholocubus tesseralis
Tholodes cupula
Tholoma quadrigeminum
Tholonium hexonium
Tholospyris procera
Tholostaurus
Tiborella
Trematodiscus heterocyclus
Trematodiscus sorites
Triacanthocircus
Triassocampe
Triassocyrtium
Triastrum aurivillii
Tribonosphaera centripetalis
Triceraspyris damaecornis
Triceraspyris gazella
Tricolocampe
Tridentocyrtis
Trifidospongus
Trilobatum
Trimiduca
Tripodiscium
Trissocyclus sphaeridium
Tristephanium dimensivum
Trisulcus
Trizonium tricinctum
Trochodiscus
Trokama
Trypanosphaera coronata
Trypanosphaera transformata
Trypanosphaera trepanata
Tympanidium foliosum
Tympaniscus quadrupes
Tympaniscus tripodiscus
Vallupus
Vinassaspongus
Weverella
Wilvemia
Windalia
Xanthiosphaera erinacea
Xanthiosphaera lappacea
Xiphatractus
Xiphosphaera goea
Xiphosphaera pallas
Xiphosphaera venus
Xiphosphaera vesta
Xiphostylus alauda
Xiphostylus alca
Xiphostylus alcedo
Xiphostylus edolius
Xiphostylus emberiza
Xiphostylus falco
Xiphostylus phasianus
Xiphostylus picus
Xiphostylus trochilus
Xiphostylus trogon
Xiphoteca
Zanola
Zygostephanus