eukaryotes see Domain Eukaryota Chatton, 1925 Superkingdom Corticata Lankester, 1878 - corticates Kingdom Plantae Haeckel (1866) - plants Subkingdom Biliphyta Caval.-Sm. (1981) [paraphyletic] - red algae and glaucophytes see Kingdom Plantae Haeckel (1866) Infrakingdom Rhodaria Caval.-Sm. (2021) [sister group to excluded taxa] see Clade Rhodaria Cavalier-Smith 2021 Phylum Pararhoda Caval.-Sm. (2021) 1 Class Rhodelphea Tikhonenkov, Gawryluk, Mylnikov & Keeling (2019) [monotypic] 2 Class Picomonadea Seenivasan, Sausen, Medlin & Melkonian, 2013