Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
           Suborder Charadrii Huxley, 1867 - shorebirds see Order Charadriiformes Huxley, 1867
             Family Thinocoridae Gray, 1845 - seedsnipes
               Genus Attagis Geoffroy Saint-Hilaire & Lesson, 1831
                 Attagis gayi Geoffroy Saint-Hilaire & Lesson, 1831 - rufous-bellied seedsnipe
                 Attagis malouinus (Boddaert, 1783) - white-bellied seedsnipe