List of Genera
- Australobius Chamberlin, 1920
- Australoschendyla Jones, 1996
- Aztekophilus Verhoeff, 1934
- Azygethus Chamberlin, 1920
- Ballonema Verhoeff, 1904
- Ballonemella Verhoeff, 1944
- Ballophilus Cook, 1896
- Banobius Chamberlin, 1938
- Barrophilus Chamberlin, 1940
- Bebekium Verhoeff, 1941
- Bimindyla Chamberlin, 1952
- Bithyniphilus Verhoeff, 1941
- Bothriogaster Sseliwanoff, 1879
- Bothropolys Wood, 1862
- Brachygeophilus Brölemann, 1909
- Brachygonarea Ribaut, 1911
- Brachyptyx Chamberlin, 1920
- Brachyschendyla Brölemann & Ribaut, 1911
- Brahmaputrus Verhoeff, 1942
- Branchiostoma Newport, 1845
- Branchiotrema Kohlrausch, 1878
- Brasilophilus Verhoeff, 1908
- Brasilophora Bücherl, 1939
- Brasiloscutigera Bücherl, 1939
- Buethobius Chamberlin, 1911
