Arinia minutissima O.F. von Möllendorff,1887 Philippines, Siquijor4,6 mm
Opisthostoma mirabile E.A. Smith, 1893 Malaysia, Borneo4 mm
Diplommatina miraculumdei J.J. Vermeulen, 1993 Malaysia, Borneo3,3 mm
Palaina modesta J.F. Quadras& O.F. von Möllendorff, 1893 Philippines, Cagayan
Palaina moellendorffi (H.C. Fulton, 1899) Indonesia, Sulawesi
Diplommatina moluensis E.A. Smith, 1893 Malaysia, Borneo
Palaina montrouzieri (J.C.H. Crosse, 1874) New Caledonia, Noumea
Palaina morongensis O.F. von Möllendorff,1890 Philippines, Luzon Island
Diplommatina naiyanetri S. Panha, 1997 Thailand2,58 mm
Fermepalaina nancena T. Iredale, 1945 Norfolk Island
Diplommatina nesiotica H.A. Pilsbry & Y. Hirase,1909 Japan, Tokara Islands
Diplommatina nevilli J.C.H. Crosse, 1879 Malaysia, Perak
Hungerfordia ngereamensis M. Yamazaki & Ueshima,2015
Diplommatina niahensis H.H. Godwin-Austen, 1889 Malaysia, Borneo
Palaina nicholsae T. Iredale, 1944 Australia, Lord Howe Island
Nicida nilgirica (W.T. Blanford& H.F. Blanford, 1860) India, Tamil Nadu
Diplommatina nipponensis O.F. von Möllendorff,1885 Japan, Aichi
Diplommatina nishii A. Yamamoto & S. Uozumi,1984 Japan2 mm
Nicida nitidula (W.T. Blanford, 1868) India, Karnataka
Hungerfordia nodulosa M. Yamazaki & Ueshima,2015
Palaina nubigena O.F. von Möllendorff,1897 Indonesia, Java
Niahia oberon J.J. Vermeulen, 1996 Malaysia, Borneo
Arinia obesa J.J. Vermeulen, 1996 Malaysia, Borneo
Opisthostoma obliquedentatum J.J. Vermeulen, 1994 Malaysia, Sabah
Adelopoma occidentale (R.J.L. Guppy, 1872) Tobago Island
Diplommatina oedogaster J.J. Vermeulen, 1993 Malaysia, Borneo
Diplommatina okiensis H.A. Pilsbry & Y. Hirase,1908 Japan, Hyogo
Diplommatina oligopleuris W.T. Blanford, 1868 India, Meghalaya
Diplommatina onyx H.C. Fulton, 1901 Malaysia, Borneo
Diplommatina ornithorica W.S.S. Van Benthem-Jutting, Indonesia, West Java3,5 mm
Diplommatina oshimae H.A. Pilsbry, 1901 Japan, Kagoshima
Opisthostoma otostoma O. Böttger, 1893 Malaysia2,5 mm
Palaina ovatula O.F. von Möllendorff,1897 Micronesia, Pohnpei
Arinia oviformis J.J. Vermeulen, 1996 Malaysia, Borneo
Diplommatina oviformis H.C. Fulton, 1901 Nepal