Apicalia A. Adams, 1862 (verified source for family)
Athleenia Bartsch, 1946 accepted as Oceanida de Folin, 1870 (verified source for family)
Goodingia Lützen, 1972 (verified source for family)
Hypermastus Pilsbry, 1899 (verified source for family)
Lambertia Souverbie, 1869 accepted as Stilapex Iredale, 1925 (verified source for family)
Leutzenia (verified source for family)
Monogamus Lützen, 1976 (verified source for family)
Paramegadenus Humphreys & Lützen, 1972 (verified source for family)
Peasistilifer Warén, 1980 (verified source for family)
Robillardia E. A. Smith, 1889 (verified source for family)
Stilapex Iredale, 1925 (verified source for family)