organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: 1k;34p;54c;34o;10f;315g;196s; †1p;2c;1o;45g;1s
   Phylum Choanoflagellata Kent, 1880 see Class Choanoflagellatea Cavalier-Smith, 1998
  Count: 4g;4s
     Genus Sphaeroeca Lauterborn, 1894
    Count: 1s
       Sphaeroeca volvox R. Lauterborn, 1894
      Count: -