[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
     Class Prasinophyceae T. Christensen, 1962 ex Ø. Moestrup & J. Throndsen (1988) - prasinophytes see [unranked] prasinophytes
       Order Chlorodendrales Fritsch, 1917
         Family Halosphaeraceae Haeckel (1894)
           1 Genus Halosphaera K.J.F.Schmitz (1879)
           2 Genus Pyramimonas Schmarda (1850)