organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Choanoflagellata Kent, 1880 see Class Choanoflagellatea Cavalier-Smith, 1998
     Genus Sphaeroeca Lauterborn, 1894
       Sphaeroeca volvox R. Lauterborn, 1894