List of Subgenera
- Sibibius Chamberlin, 1912 [subgenus of Guambius Chamberlin, 1912]
- Sigibius Chamberlin, 1913 [subgenus of Lithobius Leach, 1814]
- Sowubius Chamberlin, 1912 [subgenus of Arenobius Chamberlin, 1912]
- Synopolys Chamberlin, 1931 [subgenus of Bothropolys Wood, 1862]
- Tambius Chamberlin, 1925 [subgenus of Gonibius Chamberlin, 1925]
- Tangopleurus Verhoeff, 1941 [subgenus of Cormocephalus Newport, 1844]
- Telobothropolys Verhoeff, 1907 [subgenus of Bothropolys Wood, 1862]
- Thereuopoda Verhoeff, 1904 [subgenus of Thereuopoda Verhoeff, 1904]
- Thingathinga Edgecombe, 2001 [subgenus of Paralamyctes Pocock, 1901]
- Thracolithobius Matic, 1962 [subgenus of Lithobius Leach, 1814]
- Thylakiophilus Verhoeff, 1934 [subgenus of Aztekophilus Verhoeff, 1934]
- Tidops Chamberlin, 1915 [subgenus of Newportia Gervais, 1847]
- Timiobius Chamberlin, 1917 [subgenus of Gosibius Chamberlin, 1912]
- Tribius Chamberlin, 1943 [subgenus of Labrobius Chamberlin, 1915]
- Trichocryptops Verhoeff, 1937 [subgenus of Cryptops Leach, 1815]
- Trigonocryptops Verhoeff, 1906 [subgenus of Cryptops Leach, 1815]
- Troglolithobius Matic, 1967 [subgenus of Lithobius Leach, 1814]
- Tunabius Chamberlin, 1922 [subgenus of Paitobius Chamberlin, 1912]
- Turkobius Chamberlin, 1952 [subgenus of Turkobius Chamberlin, 1952]
- Turkophilus Verhoeff, 1941 [subgenus of Henia C.L. Koch, 1847]
- Venezuelides Verhoeff, 1938 [subgenus of Notiphilides Latzel, 1880]
- Zanobius Chamberlin, 1938 [subgenus of Oabius Chamberlin, 1913]
- Zinapolys Chamberlin, 1912 [subgenus of Zinapolys Chamberlin, 1912]
