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 Caulerpales Schaffner (1922) see Order Bryopsidales J.H.Schaffn. (1922) Family Caulerpaceae Kütz.