[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   [metazoans] Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
     Phylum Arthropoda Siebold, 1848 - arthropods
       Class Ostracoda Latreille, 1802 - ostracods
         Order †Archaeocopida Sylvester-Bradley, 1961 see [unranked] Phosphatocopina Müller, 1964