Homalopoma incarnatum (H.A. Pilsbry, 1903)
Collonia incerta (E.A. Smith, 1890)
Cantrainea indica (E.A. Smith, 1894)
Homalopoma indutum (R.B. Watson, 1879)
Leptothyra inepta (A.A. Gould, 1861)
Cantrainea inexpectata B.A. Marshall, 1979
Leptocollonia innocens (K.H.J. Thiele, 1912)
Homalopoma ioujimensis S. Kosuge & Koizumi, 1990
Bothropoma isseli (K.H.J. Thiele, 1924)
Cantrainea jamsteci (T.A. Okutani& K. Fujikura, 1990)
Collonista jucunda (K.H.J. Thiele, 1925)
Spiromoelleria kachemakensis R. Baxter & J.H. McLean,1984
Argalista kaiparaensis (FOSSIL) Finlay, 1930 †
Leptothyra kermadecensis B.A. Marshall, 1979
Homalopoma keyurare Y.F. Huang, C.C. Fu& G.T. Poppe, 2016
Argalista kingensis W.L. May, 1923
Argalista kingi (FOSSIL) Powell, 1938 †
Homalopoma kingicola W.L. May, 1924
Collonista kreipli G.T. Poppe, S.P. Tagaro& P. Stahlschmidt, 2015
Depressipoma kwajaleina J.H. McLean, 2012
Homalopoma lacunatum (P.P. Carpenter, 1864)
Depressipoma laddi J.H. McLean, 2012
Homalopoma laevigatum (G.B. III Sowerby, 1914)
Homalopoma laleensis (FOSSIL) B.M. Landau & al., 2013 †
Cirsochilus lamarckii (FOSSIL) (A.V.M.D. D'Orbigny,1850 †)
Adeorbisina lateumbilicata (FOSSIL) (Uhlig, 1881 †)
Argalista leniumbilicata (FOSSIL) C.R. Laws, 1935 †
Collonista lenticula (A.A. Gould, 1861)
Argalista lenuiumbilicata (FOSSIL) C.R. Laws, 1935 †
Triangaphrus liasicus (FOSSIL) J. Gründel, 2003 †
Liotipoma lifouensis J.H. McLean, 2012
Homalopoma lini Y.F. Huang, C.C. Fu& G.T. Poppe, 2016
Homalopoma linnei (W.H. Dall, 1889)
Homalopoma lunellum Y.F. Huang, C.C. Fu& G.T. Poppe, 2016
Homalopoma luridum (W.H. Dall, 1885)