Allodiscus laganus B.A. Marshall& G.M. Barker, 2008 New Zealand
Thalassohelix laingi (H.H. Suter, 1905) New Zealand, Invercargill
Trachycystis lamellifera (E.A. Smith, 1903)
Himeroconcha lamlanensis (G.A. Solem, 1982)
Amphidoxa latastei C.M.F. Ancey, 1889 Chile, Cordillera de Chillán
Flammulina lateaperta R.K. Dell, 1955 New Zealand
Paryphantopsis lebasii J. Slapcinsky, 2005 Papua New Guinea
Pseudocharopa ledgbirdi (J.W. Brazier, 1889) Australia, Lord Howe Island
Allocharopa legrandi (J.C. Cox, 1868) Tasmania
Ptychodon leiodon (F.W. Hutton, 1883) New Zealand, Plenty Bay
Pernagera lena T. Iredale, 1939 Western Australia
Teracharopa lenticula J.J. Vermeulen& D.J. Junau, 2007 Malaysia, Borneo
Helenoconcha leptalea Unknown Saint Helena
Ngairea levicostata J. Stanisic, 1990 Australia, Warwick6,8 mm
Ptychodon liciae (J. Vaz, 1991) Brazil, Paranà
Pseudocharopa lidgbirdi (J.W. Brazier, 1889) New South Wales
Flammulina lifouana (R.P. Montrouzier, 1860) New Caledonia4 mm
Elsothera limula (C.M.D.E. Legrand, 1871) Tasmania
Egilomen lirata (J.C. Cox, 1864) Argentina, Tierra del Fuego
Charopa longstaffae (H.H. Suter, 1913) New Zealand, Orepuki
Paryphantopsis louisiadarum (O.F. von Möllendorff,1899) Papua New Guinea
Phenacohelix lucetta (F.W. Hutton, 1884) New Zealand, North Island
Reticulapex lucidus K.C. Emberton& T.A. Pearce, 2000 Madagascar, Tulear
Planilaoma luckmanii (J.W. Brazier, 1877) Tasmania
Charopa macgillivrayana T. Iredale, 1913 New Zealand, Kermadec Islands
Coenocharopa macromphala J. Stanisic, 1990 Queensland
Montaropa macsweeneyi F.M. Climo, 1984 New Zealand
Climocella maculata (H.H. Suter, 1891) New Zealand, South Island
Pilula mahesiana (E.C. Von Martens, 1898) Seychelles
Allodiscus mahlfeldae B.A. Marshall& G.M. Barker, 2008 New Zealand
Phenacohelix mahlfeldae J.F. Goulstone, 2001 New Zealand, Stewart Island
Cavellia major (H.H. Suter, 1892) New Zealand, South Island
Climocella manawatawhia (A.W.B. Powell, 1935) New Zealand
Charopa manuherikia (FOSSIL) B.A. Marshall& T.H. Worthy, 2017 † New Zealand, South Island
Ladronellum mariannarum (J.F. Quadras& O.F. von Möllendorff, 1894) Guam