fossil marine animal genera Linnaeus, 1758 - animals
   Phylum Brachiopoda Duméril, 1806 - brachiopods
     Class Articulata Huxley, 1869
       1 Order †Orthida Schuchert & Cooper, 1932
       2 Order †Strophomenida Opik, 1934
       3 Order †Pentamerida Schuchert & Cooper, 1931
       4 Order Rhynchonellida Kuhn, 1949
       5 Order †Spiriferida Waagen, 1883
       6 Order †Atrypida Rzhonsnitskaya, 1960
       7 Order Terebratulida Waagen, 1883
       8 Order Thecideida Pajaud, 1970
       9 Order †uncertain