Obba listeri batanica A. Adams & L.A. Reeve,1848
Obba listeri minor O.F. von Möllendorff,1905
Papuina lituus G.B. Sowerby, 1889
Galadistes liverpoolensis (J.W. Brazier, 1872)
Obba livesayi L. Pfeiffer, 1860
Exiligada longicauda F. Criscione, A. Law& F. Köhler, 2012
Camaena longsonensis (L.J. Morlet, 1891)
Satsuma longsonensis P.M.A. Morelet, 1891
Cupedora lorioliana (J.C.H. Crosse, 1863)
Obba louiseae N.N. Thach, 2016
Rhynchotrochus louisiadensis (E. Forbes, 1851)
Moellendorffia loxotata (J.F. Mabille, 1887)
Moellendorffia loxotata exasperata (A.R.J.B. Bavay& P. Dautzenberg, 1909)
Planispira loxotropis (L. Pfeiffer, 1851)
Amphidromus luangensis Gra-tes, 2015
Amphidromus lucsegersi N.N. Thach & J. Abbas,2017
Cupedora ludbrookae G.A. Solem, 1992
Megalacron lufensis (K.H.J. Thiele, 1928)
Papuina lufescens (K.H.J. Thiele, 1928)
Mandarina luhuana (G.B. Sowerby, 1839)
Polydontes luquillensis R.J. Shuttleworth, 1854
Cupedora luteofusca (J.C. Cox, 1868)
Megalacron macfarlanei (J.C. Cox, 1873)
Papuina macgillivrayi (E. Forbes, 1852)
Canefriula maclayiana (J.W. Brazier, 1886)
Bentosites macleayi (J.C. Cox, 1865)
Sphaerospira macneilli (T. Iredale, 1937)
Chloritis macrostoma G.P.L.K. Gude, 1906
Amphidromus maculatus (H.C. Fulton, 1896)
Amphidromus maculatus bungiensis H.A. Pilsbry, 1900
Amphidromus maculiferus (G.B. Sowerby, 1838)
Amphidromus maculiferus buluanensis P. Bartsch, 1917
Amphidromus maculiferus cotabatoensis P. Bartsch, 1917
Amphidromus maculiferus multicolor O.F. von Möllendorff,1894
Chloritis maforensis C.M. Tapparone-Canefri,1874