Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         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
                     Clade Amorphea Adl et al. 2012 [Simpson, Medina & Adl 2020]
                       Clade Obazoa Brown, Sharpe, Silberman, Heiss, Lang, Simpson & Roger 2013
                         Clade Opisthokonta Cavalier-Smith 1987 [Simpson & Medina 2020] - animal-fungal clade
                           Superkingdom Holomycota Liu, Steenkamp, Brinkmann, Forget, Philippe & Lang, 2009
                             Kingdom Fungi R.T.Moore (1980) - fungi
                               Subkingdom Zoopagomyceta Tedersoo, Sánchez-Ramírez, Kõljalg, Bahram, M. Döring, Schigel, T.W. May, M. Ryberg & Abarenkov (2018) [monotypic]
                                 Phylum Zoopagomycotaᵀ Gryganskyi, M.E. Sm., Spatafora & Stajich (2016)
                                   Class Zoopagomycetesᵀ Doweld (2014) [monotypic]
                                     Order Zoopagalesᵀ E.A. Bessey ex R.K. Benj. (1979)
                                       Family Zoopagaceaeᵀ Drechsler (1938)
                                         Genus Acaulopage Drechsler (1935)
                                           Acaulopage crobylospora Drechsler (1947)
                                           Acaulopage dichotoma Drechsler (1945)
                                           Acaulopage lasiospora Drechsler (1942)
                                           Acaulopage longicornis Drechsler (1955)
                                           Acaulopage plectospora
                                           Acaulopage rhaphidosporaᵀ Drechsler (1935)
                                           Acaulopage tetraceros Drechsler (1935)