living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
         Phylum Microspora Sprague, 1977 - microsporans see Phylum Microsporida Balbiani, 1882
           Class Microsporea Levine & Corliss, 1963 see Class Microsporidea Corliss & Levine, 1963
             Order Microsporida Balbiani, 1882
               Suborder Apansporoblastina Tuzet et al., 1971
                 Family Pereziidae Loubès, Maurand, Comps & Campillo, 1977
                   Genus Ameson Sprague, 1977
                     Ameson pulvis (Pérez)