Abatobius Chamberlin, 1917 accepted as Gosibius Chamberlin, 1912 (habitat flag source)
Acanthogeophilus Minelli, 1981 (habitat flag source)
Acanthoiulus Verhoeff, 1893 (habitat flag source)
Acanthotarsius Verhoeff, 1931 (habitat flag source)
Achilophilus Attems, 1928 (habitat flag source)
Achistodesmus Pocock in Willey, 1898 (habitat flag source)
Acropoditius Strasser, 1980 accepted as Cyphobrachyiulus Verhoeff, 1900 (habitat flag source)
Acrovelatus Attems, 1927 (habitat flag source)
Adenoschendyla Brölemann & Ribaut, 1911 accepted as Pectiniunguis Bollmann, 1889 (habitat flag source)
Afropachyiulus Schubart, 1961 (habitat flag source)
Afrotaenia Chamberlin, 1951 (habitat flag source)
Agaricogonopus Zhang & Zhang, 1997 (habitat flag source)
Agathotus Bollman, 1894 accepted as Agathothus Bollman, 1893 (habitat flag source)
Agnathodon Folkmanova & Dobroruka, 1960 (habitat flag source)
Agnostrup Foddai, Bonato, Pereira & Minelli, 2003 (habitat flag source)
Aipotropus Chamberlin, 1920 (habitat flag source)
Alakene Chamberlin, 1941 (habitat flag source)
Alaskobius Chamberlin, 1946 (habitat flag source)
Albadesmus Wilson & Anderson, 2004 † (habitat flag source)
Algunguis Chamberlin, 1950 (habitat flag source)
Alibius Chamberlin, 1952 accepted as Turkobius Chamberlin, 1952 accepted as Pleurolithobius Verhoeff, 1899 (habitat flag source)
Alipes Imhoff, 1854 (habitat flag source)
Allassodesmus Chamberlin, 1923 accepted as Alassodesmus Chamberlin, 1923 (habitat flag source)
Allobothropolys Verhoeff in Bronn, 1907 accepted as Bothropolys Wood, 1862 (habitat flag source)
Allochordeuma Rothenbühler, 1900 (habitat flag source)
Allopauropis (habitat flag source)
Allopodoiulus Verhoeff, 1898 (habitat flag source)
Allopolybothrus Verhoeff in Bronn, 1907 (habitat flag source)
Alloporodontius Verhoeff, 1937 accepted as Australobius Chamberlin, 1920 (habitat flag source)
Alloproctoides Marquet & Condé, 1950 (habitat flag source)
Alloschizotaenia Brölemann, 1909 (habitat flag source)
Allothereua Verhoeff, 1905 (habitat flag source)
Allotyphloiulus Verhoeff, 1905 (habitat flag source)
Alloverhoeffia Verhoeff, 1900 (habitat flag source)
Alluropus Silvestri, 1912 (habitat flag source)
Alokobius Attems, 1927 accepted as Lithobius Leach, 1814 (habitat flag source)
Alpicylindrus Verhoeff, 1930 (habitat flag source)
Alpityphlus Strasser, 1967 accepted as Stygiiulus Verhoeff, 1929 (habitat flag source)
Altobius Chamberlin, 1943 accepted as Mexicobius Chamberlin, 1915 (habitat flag source)
Alyssa Hoffman, 1997 (habitat flag source)
Amblybolus Cook, 1896 (habitat flag source)
Amplobius Chamberlin, 1941 accepted as Gosibius Chamberlin, 1912 (habitat flag source)
Amsteinella Strand, 1928 (habitat flag source)
Anadenophilus Verhoeff, 1928 accepted as Geophilus Leach, 1814 (habitat flag source)
Anagaiulus Enghoff, 1992 (habitat flag source)
Anakamptopus Verhoeff, 1940 (habitat flag source)
Analocostreptus Silvestri, 1910 (habitat flag source)
Anamastigogona Silvestri, 1898 (habitat flag source)
Anardis Attems, 1909 (habitat flag source)
Anarrup Chamberlin, 1920 (habitat flag source)
Anatolicus Verhoeff, 1941 (habitat flag source)
Anaulaciulus Pocock, 1895 (habitat flag source)
Ancholeptodesmus Brölemann, 1919 (habitat flag source)
Ancistropus Verhoeff, 1943 (habitat flag source)
Andastikus (habitat flag source)
Andebius Chamberlin, 1956 (habitat flag source)
Andenophilus Verhoeff, 1951 (habitat flag source)
Anethops Chamberlin, 1902 accepted as Scolopocryptops Newport, 1844 (habitat flag source)
Aneuloboiulus Verhoeff, 1899 (habitat flag source)
Aneumeritius Verhoeff, 1931 (habitat flag source)
Angolophilus Chamberlin, 1951 (habitat flag source)
Angustinus Attems, 1899 (habitat flag source)
Anobius Chamberlin, 1922 (habitat flag source)
Anodontastoma Tömösváry, 1883 accepted as Edentistoma Tömösvary, 1882 (habitat flag source)
Anodonthobius Matic, 1983 (habitat flag source)
Anoploiulus Verhoeff, 1894 (habitat flag source)
Anoploiulus Verhoeff, 1893 (habitat flag source)
Anthracodesmus Peach, 1899 † (habitat flag source)
Anthracojulus Fritsch, 1899 † (habitat flag source)
Antillauropus Remy, 1959 (habitat flag source)
Antrochodus Verhoeff, 1941 (habitat flag source)
Antrokoreana Verhoeff, 1938 (habitat flag source)
Anuroleptophyllum Attems in Zichy, 1901 (habitat flag source)
Apareiulus Brölemann, 1897 (habitat flag source)
Apenninicylindrus Verhoeff, 1941 (habitat flag source)
Apfelbeckiella Verhoeff, 1901 (habitat flag source)
Apheromeris Silvestri, 1917 (habitat flag source)
Aphlotes Chamberlin, 1945 (habitat flag source)
Apodigona Silvestri, 1903 (habitat flag source)
Apogeophilus Silvestri, 1905 (habitat flag source)
Apomeritius Verhoeff, 1931 (habitat flag source)
Aporodesmus Pocock, 1895 (habitat flag source)
Aporodesmus Porat, 1894 (habitat flag source)
Aporophilus Attems, 1903 accepted as Geophilus Leach, 1814 (habitat flag source)
Apunguis Chamberlin, 1948 (habitat flag source)
Arbelorhacus Hoffman, 2001 (habitat flag source)
Archeobius Chamberlin, 1952 accepted as Ezembius Chamberlin, 1923 (habitat flag source)
Archethopolys Chamberlin, 1925 (habitat flag source)
Archicambala Cook, 1896 † (habitat flag source)
Archidesmus Peach, 1882 (habitat flag source)
Archileucogeorgia Lohmander, 1936 accepted as Leucogeorgia Verhoeff, 1930 (habitat flag source)
Archilithobius Stuxberg, 1875 (habitat flag source)
Archiscudderia Fritsch, 1899 (habitat flag source)
Arcophilus Chamberlin, 1943 (habitat flag source)
Arctogeophilus Attems, 1909 (habitat flag source)
Arebius Chamberlin, 1917 (habitat flag source)
Arenobius Chamberlin, 1912 (habitat flag source)
Arenophilus Chamberlin, 1912 (habitat flag source)
Arkansobius Chamberlin, 1938 (habitat flag source)
Armeniobrachiulus Lohmander, 1936 accepted as Armeniobrachyiulus Lohmander, 1936 (habitat flag source)