Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Chromista Caval.-Sm. (1981) - chromists
                           Subkingdom Harosa Cavalier-Smith, 2010
                             Clade Sar Adl et al. 2012 [Simpson & Dunthorn 2020]
                               Infrakingdom Halvaria Cavalier-Smith, 2010
                                 Superphylum Heterokonta Caval.-Sm. (1986)
                                   [Phylum Pseudofungi Caval.-Sm. (1986)] see Phylum Oomycota Arx (1967)
                                     [Class Oomycetes G.Winter (1880) - oomycetes] see Class Peronosporea
                                       [Order Sclerosporales] see Order Peronosporales
                                       1 Genus †Frankbaronia M. Krings, T.N. Taylor, E.L. Taylor, Kerp, Hass, Dotzler & C.J. Harper (2012), incertae sedis
                                       4.1 Family Ectrogellaceae Cejp (1959), incertae sedis [monotypic]
                                       5 Family Lagenaceae M.W. Dick (2001), incertae sedis
                                       6.1 Family Sirolpidiaceae Sparrow ex Cejp (1959) [monotypic]
                                       6.2 Family Pontismataceae H.E. Petersen ex P.M.Kirk, P.F. Cannon & J.C. David (2001)
                                       7.n [Subclass Oogametia Caval.-Sm. (2013)]
                                       7.n.2.2.0 [Order "Lagenidales"] see Order Lagenidiales
                                       7.n.2.3.1 [Order Myzocytiopsidales M.W. Dick (2001)] see Order Peronosporales