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
             Order Dasycladales Pascher (1931)
               1 Family †Seletonellaceae
               2 Family †Diploporaceae Pia (1920)
               3 Family †Triploporellaceae Pia (1920)
               4 Family Dasycladaceae Kützing (1843)
               5 Family Acetabulariaceae Nägeli (1847) see Family Polyphysaceae Kützing
               6 ?Family †Beresellaceae Deloffre (1988)