Philonesia abeillei (C.M.F. Ancey, 1889)
Luchuconulus acutus (H.A. Pilsbry & Y. Hirase,1905)
Euconulus affinis H.A. Pilsbry & Y. Hirase
Microcystis albosuturalis K.C. Emberton, 2010
Tengchiena albumenoidea (J.C. Cox, 1868)
Euconulus alderi (J.E. Gray, 1840)
Euconulus alveolus (FOSSIL) (Sandberger, 1887) †
Microcystis ambinanifae K.C. Emberton, 1994
Microcystis andriamahajai K.C. Emberton & T.A. Pearce,2000
Liardetia angigyra (O.F. von Möllendorff,1897)
Habroconus angueinus (C.M.F. Ancey, 1892)
Coneuplecta angulifera H.A. Pilsbry & Y. Hirase,1905
Euconulus anijimanus H.A. Pilsbry & Y. Hirase,1905
Lamprocystis annamitica (O.F. von Möllendorff,1898)
Tengchiena antiqua (N.H. Odhner, 1917)
Lamprocystis appendiculata (O.F. von Möllendorff,1893)
Tengchiena ardeni (T. Iredale, 1937)
Philonesia arenofunus H.B. Baker, 1940
Coneuplecta arimensis T. Habe, 1948
Philonesia ascendens H.B. Baker, 1940
Palaua babelthuapi Unknown
Philonesia baldwini (C.M.F. Ancey, 1889)
Coneuplecta baritensis (E.A. Smith, 1894)
Microcystis basispiralis H.B. Preston, 1913
Microcystis belli H.B. Preston, 1913
Guppya biolleyi E.C. Von Martens, 1892
Microcystis blanci K.C. Emberton & T.A. Pearce,2000
Liardetia boninensis (H.A. Pilsbry & Y. Hirase,1908)
Microcystis borneensis (L. Pfeiffer, 1849)
Pseudoguppya browni (H.A. Pilsbry, 1910)
Lamprocystis calamianica J.F. Quadras& O.F. von Möllendorff, 1894
Discoconulus calcicola J.T. Kuroda, 1954
Coneuplecta calculosa (A.A. Gould, 1852)
Euconulus callopisticus (J.R. Bourguignat, 1890)
Greenwoodoconcha caloraphe H.B. Preston, 1913