Between brackets is the number of accepted species
1 Click on "-" to collapse/hide all child taxa
2 Shows the number of accepted species within the taxon
3 The last expanded taxon is highlighted
4 Click on "+" to expand/show all child taxa
5 Click to see the taxon details page
- Biota
- Kingdom Animalia
- Kingdom Archaea
- Kingdom Bacteria
- Kingdom Chromista
- Subkingdom Hacrobia
- Subkingdom Harosa
- Infrakingdom Halvaria
- Infrakingdom Rhizaria
- Phylum Ascetospora accepted as Ascetosporea
- Phylum Cercozoa
- Phylum Chlorarachniophyta accepted as Cercozoa
- Phylum Retaria
- Subphylum Foraminifera
- Subphylum Radiolaria accepted as Radiozoa
- Subphylum Radiozoa
- Superclass Polycystinia
- Class Polycystina accepted as Polycystinea
- Class Polycystinea
- Order Albaillellaria
- Order Archaeospicularia †
- Order Collodaria
- Order Entactinaria
- Order Latentifistularia †
- Order Nassellaria
- Order Oculosida
- Order Orodaria
- Order Polycystinea (awaiting allocation)
- Order Polycystinea incertae sedis
- Order Spumellaria
- Family Actinommidae Haeckel, 1862
- Family Amphisphaeridae Suzuki in Matsuzaki et al., 2015 †
- Family Anakrusidae Nazarov, 1977 †
- Family Angulobracchiidae Baumgartner, 1980
- Family Antygoporidae Maletz & Bruton, 2007 †
- Family Archaeoacanthocircidae Kozur, Moix & Ozsvárt, 2007 †
- Family Archaeospongoprunidae Pessagno, 1973 †
- Family Aspiculidae Won, Iams & Reed, 2005 †
- Family Aspiculumidae Won, Iams & Reed, 2005 † accepted as Aspiculidae Won, Iams & Reed, 2005 †
- Family Astrosphaeridae Haeckel, 1881 †
- Family Bathysphaeridae
- Family Capnuchosphaeridae De Wever, 1979 †
- Family Catenopylidae Dumitrica, 1989 †
- Family Cavaspongiidae Pessagno, 1973 †
- Family Centrocollidae
- Family Centrocubidae Hollande & Enjumet, 1960
- Family Coccodiscidae Haeckel, 1862
- Family Collozoidae Haeckel, 1862
- Family Copicyntridae Kozur & Mostler, 1989 †
- Family Cyphantellidae Loeblich & Tappan, 1961 †
- Family Cyrtidosphaeridae
- Family Dactyliosphaeridae Squinabol, 1904 †
- Family Domuzdagiidae †
- Family Druppulidae Haeckel, 1887
- Family Ellipsidiidae Haeckel, 1867
- Family Emiluviidae Dumitrica, 1995 †
- Family Entapiidae De Wever et al., 2001 †
- Family Euchitoniidae Haeckel, 1887
- Family Excentrochidae
- Family Glomispinidae Nestell & Nestell, 2021 †
- Family Gomberellidae Kozur & Mostler, 1981 †
- Genus Bernoullius Baumgartner, 1984 †
- Genus Gomberellus Dumitrica, Kozur & Mostler, 1981 †
- Genus Tamonella Dumitrica, Kozur & Mostler, 1980 †
- Family Hagiastridae Riedel, 1971
- Family Hagiastriidae accepted as Hagiastridae Riedel, 1971
- Family Haplotaeniatumidae Won, Blodgett & Nestor, 2002 †
- Family Hegleriidae Nestell & Nestell, 2021 †
- Family Heliodiscidae Haeckel, 1881 †
- Family Hexaporobrachiidae Kozur & Mostler, 1979 †
- Family Hexapylomellidae Kozur & Mosder, 1979 †
- Family Hollandosphaeridae
- Family Larnacillidae Haeckel, 1887
- Family Litheliidae Haeckel, 1862
- Family Macrosphaeridae
- Family Mendacastridae †
- Family Miropylidae Dumitrica, 1988 †
- Family Myelastridae Riedel, 1971
- Family Neoaspiculumidae Won & Iams, 2011 † accepted as Aspiculidae Won, Iams & Reed, 2005 †
- Family Oertlispongidae Kozur & Mostler, 1980 †
- Family Orbiculiformidae Pessagno, 1973 †
- Family Pantanelliidae Pessagno, 1977 †
- Family Parasaturnalidae Kozur & Mostler, 1972 †
- Family Parvivaccidae Pessagno & Yang, 1989 †
- Family Patruliidae Dumitrica, 1989 †
- Family Patulibracchiidae Pessagno, 1971 †
- Family Phacodiscidae
- Family Phaseliformidae Pessagno, 1972 †
- Family Physematidae
- Family Porodiscidae
- Family Praeconocaryommidae Pessagno, 1976 †
- Family Prunobrachidae Pessagno, 1975 † accepted as Prunobrachiidae Pessagno, 1975 †
- Family Prunobrachiidae Pessagno, 1975 †
- Family Pseudoacanthocircidae Kozur & Mostler, 1990 †
- Family Pseudoaulophacidae Riedel, 1967 †
- Family Pyloniidae Haeckel, 1881
- Family Pyramispongiidae Kozur & Mostler, 1978 †
- Family Relindellidae Kozur & Mostler, 1980 †
- Family Rhizosphaeridae Haeckel, 1881
- Family Saturnalidae Deflandre, 1953 †
- Family Sphaeroidae
- Family Spongodiscidae Haeckel, 1862
- Family Spongopalliidae Kozur, Krainer & Mostler, 1996 †
- Family Spongosphaeridae
- Family Spongotortilispinidae Kozur & Mostler in Moix et al., 2007 †
- Family Sponguridae Haeckel, 1862
- Family Spumellaria (awaiting allocation)
- Family Spumellaria incertae sedis
- Family Stigmosphaeridae
- Family Stylosphaeridae Haeckel, 1881 †
- Family Suttoniidae Schaaf, 1976 †
- Family Thalassicollidae
- Family Thalassophysidae
- Family Thecosphaeridae
- Family Tholoniidae Haeckel, 1887
- Family Tritrabidae Baumgartner, 1980 †
- Family Veghicycliidae Kozur & Mostler, 1972 †
- Family Xiphostylidae Haeckel, 1881 †
- Family Barbutidae Yeh, 2011 †
- Family Entactinaria (awaiting allocation)
- Family Hollandocachoniidae Dumitrica, 2013 †
- Family Isometractiniidae Dumitrica, 2013 †
- Family Odoghertitidae Dumitrica, 2013 †
- Family Paracuboctostylidae Li & Sashida, 2012 †
- Family Polycystinea (awaiting allocation)
- Family Trimeridianellidae Dumitrica & Tekin, 2014 †
- Family Triumbraculidae Dumitrica, 2013 †
- Genus Arbustrum Wang, 1989 †
- Genus Distospicula Wang, 1989 †
- Genus Eoscenidium Wang, 1989 †
- Genus Guiuva Ito & Feng, 2017 †
- Genus Nodocapsa Wang, 1989 †
- Genus Orodapis Friend & Riedel, 1967 †
- Genus Pygacapsa Wang, 1989 †
- Genus Pylalveola Wang, 1989 †
- Genus Pylocorpus Wang, 1989 †
- Genus Reschetnjakaera Shɨshkin-Skarð, 2023
- Genus Schizodiscus Dogiel & Rešetnjak, 1952 accepted as Reschetnjakaera Shɨshkin-Skarð, 2023
- Genus Sinocyrtis Wang, 1989 †
- Superclass Spasmaria
- Order Gymnosphaerida
- Class Granuloreticulosa accepted as Foraminifera
- Phylum Rhizaria incertae sedis
- Kingdom Fungi
- Kingdom Plantae
- Kingdom Protista accepted as Protozoa
- Kingdom Protozoa
- Kingdom Viruses
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