Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade dorsates Cavalier-Smith, 2021
                   Clade podiates Cavalier-Smith, 2012
                     [crown] Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       [crown] Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         [crown] Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             Clade filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Clade Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004
                                   [crown] Phylum Cnidaria Hatschek, 1888 [coordinate rank] - cnidarians
                                     Subphylum Anthozoa Ehrenberg, 1831 [monotypic]
                                       Class Anthozoa Ehrenberg, 1831
                                         Subclass Alcyonaria
                                           Order Gorgonacea Lamouroux, 1816 - sea fans and sea whips
                                             Suborder Holaxonia
                                               Family Primnoidae
                                                 Genus Aglaoprimnoa Bayer, 1996
                                                 Genus Ainigmaptilon Dean, 1926
                                                 Genus Amphilaphis Studer & Wright, 1887
                                                 Genus Armadillogorgia Bayer, 1980
                                                 Genus Arthrogorgia Kükenthal, 1908
                                                 Genus Callogorgia Gray, 1858
                                                 Genus Callozostron Wright, 1885
                                                 Genus Calyptrophora Gray, 1866
                                                 Genus Candidella Bayer, 1954
                                                 Genus Convexella Bayer, 1996
                                                 Genus Dasystenella Versluys, 1906
                                                 Genus Fanellia Gray, 1870
                                                 Genus Fannyella Gray, 1873
                                                 Genus Microprimnoa Bayer & Stefani, 1988
                                                 Genus Microstenella
                                                 Genus Narella Gray, 1870
                                                 Genus Ophidiogorgia Bayer, 1980
                                                 Genus Paracalyptrophora Kinoshita, 1908
                                                 Genus Parastenella Versluys, 1906
                                                 Genus Perissogorgia Bayer & Stefani, 1988
                                                 Genus Plumarella Gray, 1870
                                                 Genus Primnoeides Studer & Wright, 1887
                                                 Genus Primnoella Gray, 1857[1858]
                                                 Genus Pseudoplumarella Kükenthal, 1915
                                                 Genus Pterostenella Versluys, 1906
                                                 Genus Thouarella Gray, 1870
                                                 Genus Tokoprymno Bayer, 1996
                                                 1 Subfamily Callozostrinae
                                                 2 Subfamily Calyptrophorinae
                                                 3 Subfamily Primnoeidinae
                                                 4 Subfamily Primnoinaeᵀ