Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota
           "neomura"
             Domain Eukaryota Chatton, 1925 - eukaryotes
               "neokaryotes" - mitochondrial eukaryotes
                 "neozoa"
                   "scotokaryotes" Cavalier-Smith, 1999
                     "podiates" Cavalier-Smith, 2013
                       Amorphea Adl et al., 2012
                         Opisthokonta Cavalier-Smith, 1987
                           Holozoa Lang, O'Kelly, Nerad, Gray & Burger, 2002
                             filozoa Shalchian-Tabrizi, Minge, Espelund, Orr, Ruden, Jakobsen & Cavalier-Smith, 2008
                               Kingdom Animalia Linnaeus, 1758 - animals
                                 Planulozoa Wallberg, Thollesson, Farris & Jondelius 2004 [nom. cl. nov.]
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002 [nom. cl. nov.]
                                       Infrakingdom Protostomia Grobben, 1908
                                         Superphylum Spiralia Schleip, 1929
                                           Platytrochozoa Struck, Wey-Fabrizius, Golombek, Hering, Weigert, Bleidorn, Klebow, Iakovenko, Hausdorf, Petersen, Kück, Herlyn & Hankeln 2014 [nom. cl. nov.]
                                             Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 [nom. cl. nov.] - lophotrochozoans
                                               Trochozoa Beklemischev, 1944 - trochozoans
                                                 Tetraneuralia Wanninger 2009 [nom. cl. nov.]
                                                   Phylum Mollusca Linnaeus, 1758 - molluscs
                                                     Subphylum Conchifera Gegenbauer, 1878
                                                       Ganglioneura
                                                         Pleistomollusca Kocot et al., 2011
                                                           Class Bivalvia Linnaeus, 1758 - bivalves
                                                             Subclass Metabranchia
                                                               Superorder Eulamellibranchia
                                                                 Order Unionida
                                                                   Family Unionidaeᵀ Rafinesque, 1820 - pearly mussels
                                                                     Subfamily Anodontinae Rafinesque, 1820
                                                                       Genus Strophitus Rafinesque, 1820
                                                                         Strophitus undulatus (Say, 1817) - creeper