living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925 Kingdom Plantae Haeckel (1866) - plants Subkingdom Thallobionta Division Chromophycota see Phylum Chromophyta T.A.Chr. (1962), nom. nud. Class Phaeophyceae Hansgirg (1886) - brown algae Order Sphacelariales Migula (1908) Family Stypocaulaceae Oltmanns (1922) Genus Alethocladus C. Sauvageau (1903) see Genus Halopteris F.T. Kützing (1843) Genus Halopteris F.T. Kützing (1843) Genus Phloeocaulon Sauvageau see Genus Phloiocaulon H.T. Geyler (1866) Genus Ptilopogon J. Reinke (1890)