Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Brachiopoda Duméril, 1806 - brachiopods
     Class Inarticulata (Huxley, 1869)
       Order Lingulida Waagen, 1885
         Genus Glottidia Dall, 1870
         Genus Lingula Bruguière, 1797
         Genus †Lingulella Salter, 1866
         Genus †Schmidtites Schuchert & Le Vene, 1929
         Genus †Spinilingula Cooper, 1956
         Superfamily †Trimerellacea Davidson & King, 1872 see Superfamily Trimerelloidea Davidson & King, 1872