Between brackets is the number of accepted extant species
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Shows the number of accepted extant species within the taxon
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- Biota (12 687)
- Kingdom Animalia (9 793)
- Kingdom Archaea (1)
- Kingdom Bacteria (310)
- Kingdom Chromista (956)
- Subkingdom Chromobiota
- Subkingdom Cryptista accepted as Cryptophyta
- Subkingdom Hacrobia (58)
- Subkingdom Harosa (627)
- Infrakingdom Alveolata (269)
- Infrakingdom Heterokonta (110)
- Infrakingdom Rhizaria (248)
- Phylum Cercozoa (24)
- Phylum Foraminifera (224)
- Class Foraminifera incertae sedis
- Class Globothalamea (108)
- Subclass Rotaliana (56)
- Order Rotaliida (56)
- Suborder Globigerinina (3)
- Superfamily Asterigerinoidea d'Orbigny, 1839 (2)
- Superfamily Bolivinitoidea Cushman, 1927 (4)
- Superfamily Bolivinoidea Glaessner, 1937
- Superfamily Buliminacea (Jones, 1875) accepted as Buliminoidea Jones, 1875
- Superfamily Buliminoidea Jones, 1875 (3)
- Superfamily Cassidulinoidea d'Orbigny, 1839 (9)
- Superfamily Chilostomelloidea Brady, 1881 (4)
- Superfamily Discorbacea Ehrenberg, 1838 accepted as Discorboidea Ehrenberg, 1838
- Superfamily Discorbinelloidea Sigal, 1952 (5)
- Family Discorbinellidae Sigal, 1952 (1)
- Family Parrelloididae Hofker, 1956 accepted as Anomalinidae Cushman, 1927
- Family Pseudoparrellidae Voloshinova, 1952 (4)
- Superfamily Discorboidea Ehrenberg, 1838 (7)
- Superfamily Fursenkoinoidea Loeblich & Tappan, 1961 accepted as Cassidulinoidea d'Orbigny, 1839
- Superfamily Glabratellacea Loeblich & Tappan, 1964 accepted as Glabratelloidea Loeblich & Tappan, 1964
- Superfamily Glabratelloidea Loeblich & Tappan, 1964 (2)
- Superfamily Nonionoidea Schultze, 1854 (9)
- Superfamily Planorbulinoidea Schwager, 1877 (4)
- Superfamily Rotalioidea Ehrenberg, 1839 (1)
- Superfamily Serioidea Holzmann & Pawlowski, 2017 accepted as Cassidulinoidea d'Orbigny, 1839
- Superfamily Turrilinoidea Cushman, 1927 (3)
- Subclass Textulariana (52)
- Order Buliminida accepted as Rotaliida
- Order Robertinida
- Class Monothalamea (49)
- Class Nodosariata (43)
- Class Tubothalamea (24)
- Order Foraminiferida accepted as Foraminifera
- Phylum Radiozoa
- Phylum Chromeridophyta
- Phylum Bacillariophyta
- Phylum Heterokontophyta (271)
- Phylum Xanthophyta accepted as Xanthophyceae
- Kingdom Fungi (740)
- Kingdom Plantae (822)
- Kingdom Protozoa (65)
