living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Mollusca Linnaeus, 1758 - molluscs
           Class Gastropoda Cuvier, 1795 - snails and slugs
             Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
               Order Mesogastropoda Thiele, 1925 - mesogastropods see [unranked] mesogastropods
                 Superfamily Rissoacea Gray, 1847 see Superfamily Rissooidea Gray, 1847
                   Family Iravadiidae Thiele, 1928
                     1 Genus Iravadia Blanford, 1867
                     2 Genus Fairbankia Blanford, 1868
                     3 ?Genus Fluviocingula Kuroda & Habe, 1954 see Subgenus Fluviocingula Kuroda & Habe, 1954
                     4 ?Genus Sinusicola Kuroda & Habe, 1950 see Subgenus Pseudonoba Boettger, 1902
                     5 ?Genus Pellamora Iredale, 1943 see Genus Fairbankia Blanford, 1868
                     6 ?Genus Lucidinella Laseron, 1956 see Subgenus Pseudonoba Boettger, 1902
                     7 ?Genus Wakauria Starobogatov, 1970, orth. inval. see Genus Wakauraia Kuroda & Habe, 1954
                     8 ?Genus Chrystella Laseron, 1956 see Subgenus Chrystella Laseron, 1956