Phylum Brachiopoda

     Class Inarticulata

           Order Lingulida

                 Family Lingulidae  Menke, 1828

                               Lingula 

                                     Lingula reevii  Davidson, 1880

     Class Articulata

           Order Rhynchonellida

                 Family Hemithyrididae 

                               Hemithyris 

                                     Hemithyris beecheri  Dall, 1895

                 Family Laqueidae 

                               Frenulina 

                                     Frenulina sanguinolenta  Gmelin, 1817