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 Terebratulidina Waagen, 1883
                 Superfamily Terebratulacea see Superfamily Terebratuloidea Gray, 1840
                   Family Terebratulidae Gray, 1840
                     1 Genus Abyssothyris Thomson, 1927
                     2 Genus Dallithyris Muir-Wood, 1959
                     3 Genus Gryphus Megerle von Mühlfeldt, 1811
                     4 Genus Erymnia Cooper, 1977
                     5 Genus Liothyrella Thomson, 1916
                     6 Genus Stenosarina Cooper, 1977
                     7 Genus Tichosina Cooper, 1977