Taxa included

Harvey, M.S. (2015a). A review of the taxonomy and biology of pseudoscorpions of Nannowithius and Termitowithius (Pseudoscorpiones, Withiidae), inquilines of social insects. Journal of Arachnology 43: 342–352.

Nannowithius Beier, 1932 (Pseudoscorpiones: Withiidae) 343, Nannowithius
Nannowithius aethiopicus (Simon, 1900) (Pseudoscorpiones: Withiidae) 343, Nannowithius aethiopicus (Simon)
Nannowithius buettikeri (Mahnert, 1980) (Pseudoscorpiones: Withiidae) 343–344, Nannowithius buettikeri (Mahnert)
Nannowithius caecus (Beier, 1929) (Pseudoscorpiones: Withiidae) 344–345, figs 2, 3, Nannowithius caecus (Beier)
Nannowithius dekeyseri (Vachon, 1954) (Pseudoscorpiones: Withiidae) 345–347, figs 4–10, Nannowithius dekeyersi (Vachon)
Nannowithius pakistanicus (Beier, 1978) (Pseudoscorpiones: Withiidae) 347, Nannowithius pakistanicus (Beier)
Nannowithius paradoxus (Mahnert, 1980) (Pseudoscorpiones: Withiidae) 347, Nannowithius paradoxus (Mahnert)
Nannowithius wahrmani (Beier, 1963) (Pseudoscorpiones: Withiidae) 347, Nannowithius wahrmani (Beier)
Termitowithius Muchmore, 1990 (Pseudoscorpiones: Withiidae) 347–348, Termitowithius
Termitowithius kistneri Muchmore, 1990 (Pseudoscorpiones: Withiidae) 348–350, figs 11-25, Termitowithius kistneri
Withius paradoxus (Ellingsen, 1912) (Pseudoscorpiones: Withiidae) 367, Withius paradoxus (Ellingsen)