Megalacron lambei novohibernica (M. Smith, 1946)
Megalacron migratoria (L. Pfeiffer, 1855)
Megalacron novaegeorgiensis (J. C. Cox, 1870)
Megalacron novaegeorgiensis creta (I. Rensch, 1934)
Megalacron phaeostoma (L. Pfeiffer, 1877)
Megalacron phaeostoma fulgurata (Rolle, 1902)
Megalacron phaeostoma medinensis (I. Rensch, 1934)
Megalacron sellersi (J. C. Cox, 1872)
Megalacron sp. 36484
Megalacron tabarensis anirensis (I. Rensch, 1934)
Megalacron tabarensis mahurensis (I. Rensch, 1934)
Megalacron tabarensis tabarensis (I. Rensch, 1933)
Megalacron tabarensis warrenae Clench & R. D. Turner, 1964
Megalocron melanesia (Clench & Turner, 1964)
Meliobba goldiei (Brazier, 1884)
Meliobba lintschuana (Kobelt, 1894)
Meliobba popondetta Clench & R. D. Turner, 1963
Meliobba popondetta Clench & Turner, 1962
Melostrachia acutiscotata (Fulton, 1907)
Melostrachia glomerans (Iredale, 1938)
Meridolum cf. gulosum (Gould, 1846)
Meridolum corneovirens (Pfeiffer, 1851)
Meridolum grayi (Pfeiffer, 1847)
Meridolum gulosum (Gould, 1846)
Meridolum maryae Clark, 2009
Mesanella monochroa (Sowerby, 1841)
Mesanella monochroa palawanica (Pfeiffer, 1855)
Mesanella monochroa trailli (Pfeiffer, 1855)
Mesanella stolidota (Quadras & Moellendorff, 1894)
Mesanella trailli (L. Pfeiffer, 1855)
Mesodontrachia fitzroyana Solem, 1985
Metodontia beresowskii (Möllendorff, 1899)
Metodontia bidentatus M. Wu & Prozorova, 2006
Moellendorffia callitricha (Bavay & Dautzenberg, 1899)
Moellendorffia depressispira (Bavay & Dautzenberg, 1909)
Moellendorffia eastlakeana (von Möllendorff, 1882)
Moellendorffia gulinensis R.-X. Lin & L. Qiu, 2024
Moellendorffia hensaniensis (Gredler, 1885)
Moellendorffia kuguaheshang R.-X. Lin & L.-W. Lin, 2022
Moellendorffia loxotata exasperata (Bavay & Dautzenberg, 1909)
Moellendorffia loxotata loxotata (Mabille, 1887)
Moellendorffia messageri (Bavay & Dautzenberg, 1899)
Moellendorffia qinglongi R.-X. Lin & L.-W. Lin, 2022
Moellendorffia sculpticoncha Zilch, 1951
Moellendorffia spurca (Bavay & Dautzenberg, 1899)
Moellendorffia spurca deflexa Möllendorff, 1901
Moellendorffia trisinuata sculpticoncha Zilch, 1951
Moellendorffia trisinuata sculptilis (Möllendorff, 1884)
Moellendorffiella erdmanni (Schmacker & O. Boettger, 1894)
Moellendorffiella faberiana (Möllendorff, 1888)
Moellendorffiella yifengi R.-X. Lin & L. Qiu, 2024
Mouldingia occidentalis Solem, 1984
Mouldingia orientalis Solem, 1984
Mussonena campbelli Iredale, 1938
Nanotrachia intermedia (Solem, 1984)
Neoaegista trochula (A. Adams, 1868)
Neocepolis merarcha depressa (Dautzenberg & H. Fischer, 1908)
Neocepolis merarcha depressascrobiculata (Dautzenberg & H. Fischer, 1908)
Neocepolis merarcha edentula (Dautzenberg & H. Fischer, 1908)
Neocepolis merarcha merarcha (Mabille, 1888)
Neocepolis merarcha scrobiculata (Dautzenberg & H. Fischer, 1908)
Neocepolis morleti (Dautzenberg & Hamonville, 1887)
Neotrachia duporti (Bavay & Dautzenberg, 1909)
Nesiohelix cf. schmackeri (Möllendorff, 1888)
Nesiohelix granulifera (Möllendorff, 1888)
Nesiohelix irrediviva (Pilsbry & Hirase, 1904)
Nesiohelix kanoi (Kuroda, 1961)
Nesiohelix omphalina (Hirase, 1915)
Nesiohelix schmackeri (Möllendorff, 1888)
Nesiohelix swinhoei (Pfeiffer, 1865)
Ningbingia australis australis Solem, 1981
Ningbingia bulla Solem, 1981
Ningbingia octava Solem, 1981
Noctepuna mayana (Hedley, 1899)
Obba aff. bigonia (A. Férussac, 1823)
Obba bigonia (A. Férussac, 1823)
Obba columbaria (G. B. Sowerby I, 1841)
Obba gallinula (L. Pfeiffer, 1844)
Obba grandis marivelesensis Bartsch, 1934
Obba horizontalis (L. Pfeiffer, 1845)
Obba kochiana (Möllendorff, 1888)
Obba listeri (J. E. Gray, 1825)
Obba listeri batanensis Bartsch, 1918
Obba listeri cabrasensis Bartsch, 1934
Obba listeri recurvata (Möllendorff, 1898)
Obba livesayi (L. Pfeiffer, 1860)
Obba louiseae Thach, 2016
Obba marginata (O. F. Müller, 1774)
