organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Eukaryota Chatton, 1925 - eukaryotes
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Viridaeplantae Cavalier-Sm. (1981) - green plants see [unranked] Viridiplantae Cavalier-Smith, 1981
         Phylum Chlorophyta Pascher (1914) - green algae
           Class Ulvophyceae K.R. Mattox & K.D. Stewart (1984) - ulvophytes
             1 Order Cladophorales Haeckel
             2 Order Dasycladales Pascher (1931)
             3 ?Order †Receptaculitida
             4 Order †Cyclocrinales
             5 Order Caulerpales Schaffner (1922) see Order Bryopsidales J.H.Schaffn. (1922)
             6 Order Ulvales Blackman & Tansley