Acercopsis Vietz, 1926 accepted as Tiphys Koch, 1837 (original description)
Brachypodella Viets, 1926 accepted as Brachypoda Forel, 1879 (original description)
Cryptomimus Reichensperger, 1926 (original description)
Dispersipiona Viets, 1926 accepted as Piona Koch, 1842 (original description)
Dodecabates Viets, 1926 (original description)
Hexaxonopsis Viets, 1926 accepted as Axonopsis Piersig, 1893 (original description)
Hygrobatella Viets, 1926 (original description)
Mixosperchon Viets, 1926 accepted as Sperchon Kramer, 1877 (original description)
Monatractides Viets, 1926 (original description)
Octomegapus Viets, 1926 accepted as Atractides Koch, 1837 (original description)
Pentatax Viets, 1926 accepted as Unionicola Haldeman, 1842 (original description)
Pionacercopsis Viets, 1926 accepted as Pionacercus Piersig, 1894 (original description)
Polyhydryphantes Viets, 1926 accepted as Hydryphantes Koch, 1842 (original description)
Polymegapus Viets, 1926 accepted as Atractides Koch, 1837 (original description)
Schendylunguis Verhoeff, 1926 (original description)
Scutosperchon Viets, 1926 accepted as Sperchon Kramer, 1877 (original description)
Tetramegapus Viets, 1926 accepted as Atractides Koch, 1837 (original description)
Tetrapiona Viets, 1926 accepted as Piona Koch, 1842 (original description)
Thracophilus Verhoeff, 1926 (original description)
Trichothyas Viets, 1926 (original description)