Species (15.149)
- Lechriopyla mystax Lynch 1930
- Legendrea bellerophon Penard 1914
- Legendrea crassa Penard 1922
- Legendrea loyezae Faure-Fremiet 1908
- Legendrea pes Penard 1922 ssp. pelicani
- Legendrea porculus Penard 1922
- Legendrea simplex Penard 1922
- Leionota fasciola Claparède & Lachmann? 1859
- Lembadion caudatum Dumas 1937
- Leiotrocha serpularum Fabre-Domergue 1888
- Lembadion bullinum Müller 1786
- Lembadion conchoides Faure-Fremiet 1924
- Lembadion luteolum Dumas 1930
- Lembadion discoides Dumas 1930
- Lembadion duriusculum Perty 1852
- Lembadion lucens Maskell 1887
- Lembadion magnum Stokes 1887
- Lembadion oliva Dumas
- Lembadion triqueter Dumas 1930
- Lembadion sinuosum Dumas
- Lembadion subrotundatum Dumas
- Lembadion rostratum Dumas
- Lembadion volvulaeformis Dumas 1937
- Lembadionella pusilla Kahl 1933
- Lembus anguilla Kahl 1931
- Lemboides rostrata Kahl 1931
- Lembus armatus Kahl 1926
- Lembus attenuatus Smith 1897
- Lembus elongatus Claparède & Lachmann 1859
- Lembus fusiformis Kahl 1926
- Lembus infusionum Calkins 1903
- Lembus intermedius Gourret & Roeser 1886
- Lembus longivelatus Kahl 1931
- Lembus kenti Kahl 1931
- Lada pygostoma Rossolimo 1926
- Lada wrzesniowski Vejdovsky 1882
- Ladopsis benedictiae Cheissin 1928
- Lagenella aculeata Grandori & Grandori 1934
- Lagenophrys aegleae Mouchet-Bennati 1932
- Lagenophrys ampulla Stein 1851
- Lagenophrys aperta Plate 1886
- Lagenophrys aselli Plate 1886
- Lagenophrys awerinzewi
- Lagenophrys bipartita Stokes 1890
- Lagenophrys callinectes Couch 1967
- Lagenophrys commensalis Swarczewsky 1930
- Lagenophrys dennisi Clamp 1987
- Lagenophrys discoidea Kellicott 1887
- Lagenophrys incompta Clamp 1987
- Lagenophrys johnsoni Clamp 1990
- Lagenophrys inflata Swarczewsky 1930
- Lagenophrys foxi Clamp 1987
- Lagenophrys labiata Stokes 1887
- Lagenophrys lenticulata Kellicott 1885
- Lagenophrys macrostoma Swarczewsky 1930
- Lagenophrys lunatus Imamura 1940
- Lagenophrys limnoriae Clamp 1988
- Lagenophrys metopauliadis Corliss & Brough 1965
- Lagenophrys missouriensis Clamp 1987
- Lagenophrys nassa Stein 1851
- Lagenophrys mololistrae Stammer 1935
- Lagenophrys oblonga Swarczewsky 1930
- Lagenophrys obovata Stokes 1887
- Lagenophrys ornata Swarczewsky 1930
- Lagenophrys orchestiae Abonyi 1928
- Lagenophrys oregnonesis Clamp 1987
- Lagenophrys ovalis Swarczewsky 1930
- Lagenophrys paguri
- Lagenophrys primitiva Swarczewsky 1930
- Lagenophrys parva Swarczewsky 1930
- Lagenophrys platei Wallengren 1900
- Lagenophrys simplex Swarczewsky 1930
- Lagenophrys similis Swarczewsky 1930
- Lagenophrys singularis Kellicott 1887
- Lagenophrys solida Swarczewsky 1930
- Lagenophrys stokesi Swarczewsky 1930
- Lagenophrys stygia Clamp 1990
- Lagenophrys vaginicola Stein 1852
- Lagenophrys wallengreni Abonyi 1928
- Laginus sphaericus Gelei 1934
- Lagotia aculeata Claparède & Lachmann 1858
- Lagotia abyssorum Giard 1883
- Lagotia coerulea Hadzi 1951
- Lagotia donsi Hadzi 1951
- Lagotia expansa Levinsen 1893
- Lagotia faure-fremieti Hadzi 1951
- Lagotia gigantea Dons 1913
- Lagotia flava Silén 1947
- Lagotia lutea Faure-Fremiet 1936
- Lagotia minima Hadzi 1951
- Lagotia similis Dons 1915
- Lagotia obstetrica Wright 1862
- Lagotia spirorbis Dons 1912
- Lagotia minor Dons 1948
- Lagotia stylifer Wright 1862
- Lagotia viridis Wright 1858
- Lagynophrya armata Kahl 1935
- Lagynophrya acuminata Kahl 1935
- Lagynophrya conifera Kahl 1930
- Lagynophrya contractilis Kahl 1928