organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: -
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
  Count: 1k;12p;37c;157o;717f;2996g;586s; †2o;1g
     flagellated protists
    Count: 2p;5c;16o;45f;366g; †1g
       Class Prasinophyceae T. Christensen, 1962 ex Ø. Moestrup & J. Throndsen (1988) - prasinophytes see [unranked] prasinophytes
      Count: [g] 3o;7f;20g; †1g
         Order Pyramimonadales Chadefaud
        Count: [g] 2f;7g
           Family Mesostigmataceae Fott ex Moestrup & Throndsen
          Count: -
             1 Genus Mesostigma Lauterborn (1894)
            Count: -