• L5-like viruses
• L5likevirus
• Laackmanniella Kofoid & Campbell, 1929
• Laackmanniella naviculaefera (Laackmann, 1907) Kofoid & Campbell, 1929
• Laackmanniella prolongata (Laackmann, 1907) Kofoid & Campbell, 129
• Labacea de Laubenfels, 1936 accepted as Clathria (Clathria) Schmidt, 1862
• Labacea juncea (Burton, 1931) accepted as Clathria (Clathria) juncea Burton, 1931
• Labaella Kotlyar, Zakharov & Polubotko, 2004 †
• Labaellini Kotlyar, Zakharov & Polubotko, 2004 †
• Labaiidae Licharew, 1960 †
• Labalina Azbel, 1988 †
• Labalina amphoroidalis (Danich, 1971) †
• Labalina callowiana (Danich, 1971) †
• Labalina costata (Antonova, 1958) †
• Labalina czestochowiensis (Pazdrowa, 1959) †
• Labalina deprimata (Danich, 1971) †
• Labalina kanevi (Kaptarenko-Chernousova, 1963) † accepted as Labalina costata (Antonova, 1958) †
• Labalina microcostata (Danich, 1971) † accepted as Labalina amphoroidalis (Danich, 1971) †
• Labalina milioliniformis (Paalzow, 1932) †
• Labalina occulta (Antonova, 1958) †
• Labalina praecostata (Kasimova, 1971) †
• Labalina pruniformis (Danich, 1971) †
• Labalina quinqueloculinoides (Danich, 1971) †
• Labalina rawiensis (Pazdrowa, 1959) †
• Laballa Moisseiev in Dagys, 1962 †
• Laballa suessi (Zugmayer, 1880) †
• Laballidae Dagys, 1962 †
• Laballinae Dagys, 1962 †
• Labaria Gray, 1873 accepted as Pheronema Leidy, 1868
• Labaria hemisphaerica Gray, 1873 accepted as Pheronema hemisphaericum (Gray, 1873)
• Labbella Starobogatov, 1970 accepted as Onchidium Buchannan, 1800
• Labbella ajuthiae (Labbé, 1935) accepted as Onchidium stuxbergi (Westerlund, 1883)
• Labellicula Van de Vijver & Lange-Bertalot in Van de Vijver, Frenot, Beyens & Lange-Bertalot, 2005
• Labellicula lecohuiana Majewska & Van de Vijver in Majewska et al., 2017
• Labellicula subantarctica Van De Vijver & Lange-Bertalot, 2005 (uncertain > unassessed)
• Labellinacca Cossmann, 1919 † accepted as Euspira Agassiz, 1837
• Labena Cresson, 1864
• Labena nigra Rohwer, 1920
• Labeo Cuvier, 1816
• Labeo alluaudi Pellegrin, 1933
• Labeo almorae Chaudhuri, 1912 accepted as Bangana almorae (Chaudhuri, 1912)
• Labeo alticentralis Tshibwabwa, 1997
• Labeo altivelis Peters, 1852
• Labeo altivelus Peters, 1852 accepted as Labeo altivelis Peters, 1852
• Labeo angra (Hamilton, 1822)
• Labeo annectans Boulenger, 1903 accepted as Labeo annectens Boulenger, 1903
• Labeo annectens Boulenger, 1903
• Labeo ansorgii Boulenger, 1907
• Labeo ariza (Hamilton, 1807) accepted as Gymnostomus ariza (Hamilton, 1807)
• Labeo aurovittatus Sauvage, 1878 accepted as Cirrhinus microlepis Sauvage, 1878
• Labeo baldasseronii Di Caporiacco, 1948
• Labeo barbatulus (Sauvage, 1878)
• Labeo barbatus Boulenger, 1898
• Labeo bata (Hamilton, 1822)
• Labeo batesi Boulenger, 1911 accepted as Labeo batesii Boulenger, 1911
• Labeo batesii Boulenger, 1911
• Labeo behri Fowler, 1937 accepted as Incisilabeo behri (Fowler, 1937)
• Labeo bicolor Smith, 1931 accepted as Epalzeorhynchos bicolor (Smith, 1931)
• Labeo boga (Hamilton, 1822)
• Labeo boggut (Sykes, 1839)
• Labeo bottegi Vinciguerra, 1897
• Labeo bottegoi Vinciguerra, 1897 accepted as Labeo bottegi Vinciguerra, 1897
• Labeo boulengeri Vinciguerra, 1912
• Labeo brachypoma Günther, 1868
• Labeo brichardi Poll, 1959 accepted as Labeo macrostoma Boulenger, 1898
• Labeo brunelli Parenzan, 1939 accepted as Labeo bottegi Vinciguerra, 1897
• Labeo brunellii Parenzan, 1939 accepted as Labeo bottegi Vinciguerra, 1897
• Labeo caeruleus Day, 1877
• Labeo cafer Castelnau, 1861 accepted as Labeo umbratus (Smith, 1841)
• Labeo calabasu (Hamilton, 1822) accepted as Labeo calbasu (Hamilton, 1822)
• Labeo calbasu (Hamilton, 1822)
• Labeo camerunensis Trewavas, 1974
• Labeo capensis (Smith, 1841)
• Labeo carnigliae Zolezzi, 1939 accepted as Labeo bottegi Vinciguerra, 1897
• Labeo catla (Hamilton, 1822)
• Labeo cephalus Valenciennes, 1842 accepted as Bangana dero (Hamilton, 1822)
• Labeo cetopsis Kner, 1867 accepted as Coreius cetopsis (Kner, 1867)
• Labeo chariensis Pellegrin, 1904
• Labeo chariensis chariensis Pellegrin, 1904 accepted as Labeo chariensis Pellegrin, 1904
• Labeo chariensis nunensis Pellegrin, 1929 accepted as Labeo nunensis Pellegrin, 1929
• Labeo cheveyi Fowler, 1937 accepted as Labeo pierrei (Sauvage, 1880)
• Labeo chrysophekadion (Bleeker, 1849)
• Labeo coeruleus Day, 1877 accepted as Labeo caeruleus Day, 1877
• Labeo colbasu (Hamilton, 1822) accepted as Labeo calbasu (Hamilton, 1822)
• Labeo collaris Nichols & Pope, 1927 accepted as Cirrhinus molitorella (Valenciennes, 1844)
• Labeo congoro Peters, 1852
• Labeo coubie Rüppell, 1832
• Labeo crysophekadon (Bleeker, 1849) accepted as Labeo chrysophekadion (Bleeker, 1849)
• Labeo cubie Rüppell, 1832 accepted as Labeo coubie Rüppell, 1832
• Labeo curchius (Hamilton, 1822)
• Labeo curriei Fowler, 1919
• Labeo cyclopinnis Nichols & Griscom, 1917
• Labeo cyclorhynchus Boulenger, 1899
• Labeo cyclorhynchus variegata Pellegrin, 1901 accepted as Labeo cyclorhynchus Boulenger, 1899
• Labeo cylindricus Peters, 1852
• Labeo cylindricus annectens Boulenger, 1903 accepted as Labeo annectens Boulenger, 1903
• Labeo darlingi Boulenger, 1902 accepted as Labeo cylindricus Peters, 1852
• Labeo decorus Peters, 1881 accepted as Decorus decorus (Peters, 1881)
• Labeo degeni Boulenger, 1920
• Labeo denisonii Day, 1865 accepted as Dawkinsia denisonii (Day, 1865)