After Adl et al., 2005

<==o Rhizaria Cavalier-Smith, 2002
   |-- Gromia Dujardin, 1835
   |-- Cercozoa Cavalier-Smith, 1998, emend. Adl et al., 2005
   |--o Haplosporidia Caullery & Mesnil, 1899
   |  |-- Haplosporidium
   |  |-- Minchinia
   |  `-- Urosporidium
   |--o Foraminifera d'Orbigny, 1826 (foraminifers; foraminit)
   |  |-- Allogromia
   |  |-- Ammonia
   |  |-- Biomyxa
   |  |-- Carpenteria
   |  |-- Cycloclypeus
   |  |-- Globigeriella
   |  |-- Komokiacea
   |  |-- Lana
   |  |-- Lenticula
   |  |-- Nodogenerina
   |  |-- Textularia
   |  |--o Athalamidae
   |  |  `-- Reticulomyxa Nauss, 1949
   |  |-- †Fusulinidae
   |  |-- Rotaliidae
   |  |-- Miliolidae
   |  `-- Xenophyophorea Schultze, 1904
   `--o Radiolaria Müller, 1858, emend. Adl et al., 2005 (radiolarians; huokoseläimet)
      |-- Sticholonche Hertwig, 1877 [Taxopodida Fol, 1883]
      |-- Acantharia Haeckel, 1811, emend. Mikrjukov, 2000 [Actinopoda:][Acantharea]
      `-- Polycistinea Ehrenberg, 1838, emend. Heckel, 1887

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