Vitrinella lenticula A.A. Gould, 1861
Teinostoma lenticulare (H.C. Lea, 1846)
Anticlimax lentiformis F. Rubio & E. Rolán, 2014
Woodringilla lentiformis (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 †
Teinostoma lerema H.A. Pilsbry& J.T.L. McGinty, 1945
Anticlimax levis F. Rubio & E. Rolán, 2014
Ponderinella lignicola B.A. Marshall, 1988
Discopsis liliae E. Rolán & F. Rubio, 2002
Solariorbis lineopunctatus F. Rubio, R. Fernández-Garcés& E. Rolán, 2011
Pseudoliotia linguifera (K.H.J. Thiele, 1925)
Solariorbis lipara (FOSSIL) (Lea, 1843 †)
Pterolabrella lirata (FOSSIL) P.A. Maxwell, 1969 †
Circulus liratus Verrill, 1882
Circulus liricincta (A. Garrett, 1873)
Solariorbis liriope (P. Bartsch, 1911)
Cyclostremiscus lirulatus (P.P. Carpenter, 1857)
Teinostoma lituspalmarum H.A. Pilsbry& J.T.L. McGinty, 1945
Anticlimax locklini H.A. Pilsbry & A.A. Olsson,1950
Cyclostremiscus lowei (F.C. Baker, G.D. Hanna& A.M. Strong, 1938)
Vitrinella lucasana (F.C. Baker, G.D. Hanna& A.M. Strong, 1938)
Teinostoma lucidum A. Adams, 1863
Tornus lucidus (FOSSIL) A.E.M. Cossmann, 1881 †
Teinostoma lunense F. Rubio, R. Fernández-Garcés& E. Rolán, 2011
Teinostoma macrostoma (FOSSIL) F. Stoliczka, 1861 †
Cyclostremiscus madreensis (F.C. Baker, G.D. Hanna& A.M. Strong, 1938)
Anticlimax maestratii F. Rubio & E. Rolán, 2014
Vitrinella magister H.A. Pilsbry & A.A. Olsson,1952
Ponderinella major K. Hasegawa, 1997
Cyclostremiscus major A.A. Olsson & M. Smith,1952
Tornus maoria (A.W.B. Powell, 1937)
Anticlimax maranii F. Rubio & E. Rolán, 2014
Circulus marchei (F.P. Jousseaume, 1872)
Vitrinella margarita H.A. Pilsbry & A.A. Olsson,1952
Lydiphnis mariae (F.C. Baker, G.D. Hanna& A.M. Strong, 1938)
Tuberes marianae Rubio & Rolán, 2017