 Natura - nature | | Mundus Plinius - physical world | | Naturalia - natural bodies | | Biota | | Domain Eukaryota Chatton, 1925 - eukaryotes | | Bikonta | |
"photokaryotes"
| | Chromalveolata | | Alveolata Cavalier-Smith, 1991 | | Phylum Ciliophora (Doflein, 1901) Copeland, 1956 - ciliates | | Subphylum Intramacronucleata Lynn, 1996 | | Class Prostomatea Schewiakoff, 1896 |  Order Prorodontida Corliss, 1974 |  Family Plagiocampidae Kahl, 1926 | | Family Malacophryidae Foissner, 1980 | | Family Balanionidae Small & Lynn, 1985 | | Family Urotrichidae Small & Lynn, 1985 | | Family Placidae Small & Lynn, 1985 | | Family Colepidae Ehrenberg, 1838 | | Family Lagynidae Sola et al., 1990, nom. praeocc. | | Family Prorodontidae™
Kent, 1881 | | Family Holophryidae Perty, 1852 |
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