Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Brachiopoda Duméril, 1806 - brachiopods
     Class Articulata Huxley, 1869
       Order †Strophomenida Opik, 1934
         Suborder †Strophomenidina Opik, 1934
           Genus †Derbyia Waagen, 1884
           Genus †Leptellina Ulrich & Cooper, 1936
           Genus †Meekella White & St. John, 1867
           Genus †Sowerbyella Jones, 1928
           Genus †Stropheodonta Hall, 1852
           Genus †Strophomena Rafinesque & De Blainville, 1824