Mendana longicaulis H.B. Baker, 1938
Euconulus longus H.A. Pilsbry & Y. Hirase Taiwan
Euconulus lubricellus C.M.F. Ancey, 1904 Hawaii
Hiona lymanniana (C.M.F. Ancey, 1893) Hawaii
Philonesia mangarevae H.B. Baker, 1940 Nicaragua
Philonesia mapulehuae H.B. Baker, 1940 Hawaii
Palaua margaritacea (C.G. Semper) Palau
Habroconus martinezi (J.G. Hidalgo, 1869) Brazil
Diastole matafaoi unknown Samoa
Microcystis mathewsi H.B. Preston, 1913 Norfolk Island
Philonesia maunalei H.B. Baker, 1940 Hawaii
Habroconus mayi (F.C. Baker, 1914) Brazil
Hiona megodonta H.B. Baker, 1940 Hawaii
Hiona meineckei H.B. Baker, 1940 Hawaii
Guppya miamiensis H.A. Pilsbry, 1903 Florida
Guppya micans (G.F. Angas, 1879) Costa Rica
Guppya micra H.A. Pilsbry, 1904 Mexico, Veracruz
Coneuplecta microconus (A. Mousson, 1865) Malaysia, Borneo
Discoconulus microdiscus (O.W.H. Reinhardt, 1877) Japan
Hiona milolii H.B. Baker, 1940 Hawaii
Lamprocystis misella (A.E.J. Férussac, 1821) Guam
Coneuplecta miyanagai J.T. Kuroda & M. Hukuda,1944 Japan
Philonesia mokuleiae H.B. Baker, 1940 Hawaii
Microcystis monspittensis H.B. Preston, 1913 Norfolk Island
Guppya montanicola W.H. Dall, 1926
Coneuplecta nanodes G.P.L.K. Gude, 1900 Japan, Kyoto
Tengchiena nepeanensis (J.W. Brazier, 1876) Queensland
Palaua ngarduaisi H.B. Baker, 1941 Palau
Coneuplecta niijimana H.A. Pilsbry & Y. Hirase,1903 Japan, Izu Islands
Coneuplecta nijimana H.A. Pilsbry & Y. Hirase,1903 Japan
Kororia nitida (H.A. Pilsbry& Y. Hirase, 1905)
Tengchiena normalis (T. Iredale, 1933) Hawaii
Suterella novarae (L. Pfeiffer, 1862) New Zealand
Greenwoodoconcha nux (E.R. Sykes, 1900) Norfolk Island
Philonesia oahuensis (C.M.F. Ancey, 1889) Hawaii