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 Apicomplexa Levine, 1970 see Infraphylum Apicomplexa Levine, 1970
           Class Perkinsea Levine, 1978
             Order Perkinsorida Levine, 1978 see Order Perkinsida Levine, 1978
               Family Perkinsidae Levine, 1978
                 Genus Perkinsus Levine, 1978