[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)
           1 Family Caulerpaceae Kütz.
           2 Family Chaetosiphonaceae Blackman & Tansley
           3 Family Udoteaceae J.Agardh