Phylum Mollusca Linnaeus, 1758 - molluscs
Class Gastropoda Cuvier, 1795 - snails and slugs
Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs
see Class Gastropoda Cuvier, 1795
Order Caenogastropoda Cox, 1960
see Superorder Caenogastropoda Cox, 1960
Superfamily Rissooidea Gray, 1847
Family Iravadiidae Thiele, 1928
Genus Iravadia Blanford, 1867
1 Subgenus Fluviocingula Kuroda & Habe, 1954
2 Subgenus Pseudomerelina Ponder, 1984
see Genus Pseudomerelina Ponder, 1984
3 Subgenus Pseudonoba Boettger, 1902