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 Spiralia Schleip, 1929
                                           Clade Platytrochozoa Struck, Wey-Fabrizius, Golombek, Hering, Weigert, Bleidorn, Klebow, Iakovenko, Hausdorf, Petersen, Kück, Herlyn & Hankeln 2014
                                             Clade Rouphozoa Struck, Wey-Fabrizius, Golombek, Hering, Weigert, Bleidorn, Klebow, Iakovenko, Hausdorf, Petersen, Kück, Herlyn & Hankeln 2014
                                               Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
                                                 Subphylum Rhabditophora Ehlers, 1985
                                                   Class Neoophora
                                                     Subclass Neodermata
                                                       Infraclass Cestoda
                                                         Nephroposticophora
                                                           Cestoidea
                                                             Order Caryophyllidea Lankester, 1877
                                                               Family Caryophyllaeidaeᵀ Leuckart, 1878
                                                                 Genus Biacetabulum Hunter, 1927
                                                                   01 Biacetabulum infrequensᵀ Hunter, 1927
                                                                   02 Biacetabulum banghami Mackiewicz, 1968
                                                                   03 Biacetabulum biloculoides Mackiewicz & McCrae, 1965
                                                                   04 Biacetabulum carpiodi Mackiewicz, 1969
                                                                   05 Biacetabulum giganteum Hunter, 1929
                                                                   06 Biacetabulum hoffmani Mackiewicz, 1972
                                                                   07 Biacetabulum macrocephalum McCrae, 1962
                                                                   08 Biacetabulum meridianum Hunter, 1929
                                                                   09 Biacetabulum oregoni Williams, 1978
                                                                   10 Biacetabulum tandani Johnston & Muirhead, 1950