[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Algae L. (1753) see [unranked] Algae
     Phylum Rhodophycota
       Class Rhodophyceae Thuret (1855) - red algae see Phylum Rhodophyta Wettst. (1901)
         Order Rhodymeniales F.Schmitz (1892)
           Family Champiaceae Kützing (1843)
             1 Genus Champia Desv. (1809)
             2 Genus Chylocladia Grev., in Hook. (1833), nom. cons.
             3 Genus Gastroclonium F.T. Kuetzing (1843), nom. cons.