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 Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Cnidaria Hatschek, 1888 - cnidarians
           Class Anthozoa Ehrenberg, 1831
             Subclass Alcyonaria
               Order Pennatulacea - sea pens and sea pansies
                 Suborder Sessiliflorae
                   01 Family Anthoptilidae
                   02 Family Chunellidae Kükenthal, 1902
                   03 Family Echinoptilidae
                   04 Family Funiculinidae
                   05 Family Kophobelemnidae
                   06 Family Protoptilidae
                   07 Family Renillidae
                   08 Family Scleroptilidae
                   09 Family Stachyptilidae
                   10 Family Umbellulidae
                   11 Family Veretillidae