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
                                   Subkingdom Bilateria Hatschek, 1888 - bilaterians
                                     Clade Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
                                       Infrakingdom Protostomia Grobben, 1908
                                         Superphylum Ecdysozoa Aguinaldo, Turbeville, Linford, Rivera, Garey, Raff & Lake, 1997
                                           Panarthropoda Nielsen, 1995 - panarthropods
                                             Tactopoda Budd, 2001
                                               Phylum Arthropoda Siebold, 1848 - arthropods
                                                 Euarthropoda
                                                   Antennulata
                                                     Subphylum Mandibulata Snodgrass, 1938
                                                       Infraphylum Pancrustacea Zrzavý & Štys, 1997
                                                         Altocrustacea
                                                           Vericrustacea
                                                             Multicrustacea
                                                               Subclass Copepoda H. Milne-Edwards, 1840 - copepods
                                                                 Infraclass Neocopepoda Huys & Boxshall, 1991
                                                                   Superorder Podoplea Giesbrecht, 1882
                                                                     Order Poecilostomatoida Thorell, 1859
                                                                       Family Ergasilidae von Nordmann, 1832
                                                                         01 Genus Abergasilus Hewitt, 1978
                                                                         02 Genus Acusicola Cressey, 1971
                                                                         03 Genus Amplexibranchius Thatcher & Paredes, 1985
                                                                         04 Genus Anklobrachius Thatcher, 1999
                                                                         05 Genus Brasergasilus Thatcher & Boeger, 1983
                                                                         06 Genus Dermoergasilus Ho & Do, 1982
                                                                         07 Genus Ergasilusᵀ von Nordmann, 1832
                                                                         08 Genus Gamidactylus Thatcher & Boeger, 1984
                                                                         09 Genus Gamispatulus Thatcher & Boeger, 1984
                                                                         10 Genus Gamispinus Thatcher & Boeger, 1984
                                                                         11 Genus Gauchergasilus Montu & Boxshall, 2002
                                                                         12 Genus Majalincola Tang & Kalman, 2008
                                                                         13 Genus Miracetyma Malta, 1993
                                                                         14 Genus Mugilicola Tripathi, 1960
                                                                         15 Genus Neoergasilus Yin, 1956
                                                                         16 Genus Nipergasilus Yamaguti, 1939
                                                                         17 Genus Paeonodes C.B. Wilson, 1944
                                                                         18 Genus Paraergasilus Markewitsch, 1937
                                                                         19 Genus Pindapixara Malta, 1995
                                                                         20 Genus Prehendorastrus Boeger & Thatcher, 1990
                                                                         21 Genus Pseudovaigamus Amado et al., 1995
                                                                         22 Genus Rhinergasilus Boeger & Thatcher, 1988
                                                                         23 Genus Sinergasilus Yin, 1949
                                                                         24 Genus Teredophilus Rancurel, 1954
                                                                         25 Genus Therodamas Krøyer, 1864
                                                                         26 Genus Thersitina Norman, 1905
                                                                         27 Genus Vaigamus Thatcher & Robertson, 1984
                                                                         28 Genus Macrobrachinus Hesse, 1871, nom. inq.