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 Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Brachiopoda Duméril, 1806 - brachiopods
           Class Articulata Huxley, 1869
             Order Terebratulida Waagen, 1883
               Suborder Terebratellidina Muir-Wood, 1955
                 Superfamily Terebratellacea see Superfamily Terebratelloidea King, 1850
                   Family Kraussinidae Dall, 1870
                     1 Genus Kraussina Davidson, 1859
                     2 Genus Megerlia King, 1850
                     3 Genus Megerlina Deslongchamps, 1884
                     4 Genus Pumilus Atkins, 1958