Lasaea souverbiana M. Huber, 2015
Erycina speciosa (FOSSIL) L.C. Glenn, 1904 †
Macrodiceras spirale (FOSSIL) Karczewski, 1969 † Poland, Masovian, Radom
Lepton squamosum (Montague, 1803) France, Brittany10 mm
Parabornia squillina (K.J. Boss, 1965)
Neaeromya stearnsi W.H. Dall, 1899 America
Myllita stowei (F.W. Hutton, 1873) New Zealand
Aligena striata (FOSSIL) Lea, 1843 † USA, North Carolina
Erycina striatissima (FOSSIL) S. Cerulli-Irelli, 1908 † Netherlands
Neaeromya subquadrata (W.M. Gabb, 1872) United States
Erycina subradiata (A.A. Gould, 1861)
Squillaconcha subsinuata (C.E. Lischke, 1871) Yamaguchi, Japan
Lepton subtrigonum J.G. Jeffreys in L. de Folin& J.P.L. Périer, 1873 UK, Jersey2,5 mm
Arculus sykesi (G.W. Chaster, 1895) Strait of Gibraltar1,1 mm
Planikellya symmetrica (FOSSIL) (G.P. Deshayes, 1858 †) France, Paris Basin5 mm
Borniola taieriensis (A.W.B. Powell, 1939) New Zealand
Myllita tasmanica (J.E. Tenison-Woods,1875) Tasmania9 mm
Scacchia tenera J.G. Jeffreys, 1881 Wyville-Thomson Ridge
Aligena texasiana H.W. Harry, 1969 USA, Texas
Planikellya texta (FOSSIL) (A.E.M. Cossmann, 1887 †) France, Paris Basin9 mm
Planikellya translucida (FOSSIL) (J.B.P.A. Lamarck,1807 †) France, Paris Basin10 mm
Lepton transversarium (FOSSIL) A.E.M. Cossmann, 1896 † France, Aquitaine
Waldo trapezialis D.G. Zelaya& C.F. Ituarte, 2002 South Georgia Island
Temblornia triangulata (FOSSIL) (F.M. Anderson& B. Martin, 1914 †)
Lepton trigonale R. Tate, 1879 Australia, Victoria
Aligena trigonalis (P.P. Carpenter, 1857) California, San Pedro
Diplodontina tumbesiana (W. Stempell, 1899) Chile9,5 mm
Lasaea turtoni P. Bartsch, 1915 South Africa
Lasaea undulata (A.A. Gould, 1861) Japan, Hyogo
Lasaea undulata crassidens (FOSSIL) G.P. Deshayes, 1858 † France, Paris Basin
Planikellya undulata (FOSSIL) (J.B.P.A. Lamarck,1806 †) France, Paris Basin
Semeloidea uvasana (FOSSIL) (R.E. Dickerson, 1915 †) Russia, Anadyr' River
Erycina vesicularis (FOSSIL) Recluz, 1844 † France, Paris Basin
Temblornia virgata (FOSSIL) (Gardner, 1942 †) Panama, Colón
Myllitella vivens H.J. Finlay, 1926 New Zealand