[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Algae L. (1753) see [unranked] Algae
     Phylum Chlorophycota see Phylum Chlorophyta Pascher (1914)
       Class Chlorophyceae Wille (1884) - chlorophytes
         Order Caulerpales Schaffner (1922) see Order Bryopsidales J.H.Schaffn. (1922)
           Family Udoteaceae J.Agardh
             1 Genus Avrainvillea M.J. Decne. (1842)
             2 Genus Halimeda J.V.Lamour. (1812), nom. cons., orth. cons.
             3 Genus Penicillus J.B. de Lam. (1813)
             4 Genus Pseudochlorodesmis F. Børgesen (1925)
             5 Genus Rhipilia F.T. Kützing (1858)