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 Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
                                           Panarthropoda Nielsen, 1995 - panarthropods
                                             Phylum Arthropoda von Siebold, 1848 - arthropods
                                               Euarthropoda
                                                 Mandibulata
                                                   Crustaceomorpha Chernyshev, 1960
                                                     Labrophora Siveter, Waloszek & Williams
                                                       Subphylum Pancrustacea Zrzavý et al., 1997
                                                         Altocrustacea
                                                           Vericrustacea
                                                             Multicrustacea
                                                               Subclass Copepoda H. Milne-Edwards, 1840 - copepods
                                                                 Infraclass Neocopepoda Huys & Boxshall, 1991
                                                                   Superorder Podoplea Giesbrecht, 1882
                                                                     Order Siphonostomatoida Thorell, 1859
                                                                       Family Pandaridae Milne Edwards, 1840
                                                                         Genus Perissopus Steenstrup & Lütken, 1860