Pseudotachidiidae Lang, 1936
Pseudomesochra aberrans Bodin, 1968
Pseudomesochra abyssalis Becker & Schriever, 1979
Pseudomesochra affinis (Sars G.O., 1920)
Pseudomesochra beckeri Becker & Schriever, 1979
Pseudomesochra brucei (T. & A. Scott, 1901)
Pseudomesochra crispata (Brady, 1910)
Pseudomesochra divaricata (Sars, 1907)
Pseudomesochra gemina Coull, 1973
Pseudomesochra gertwilleni Willen, 1996
Pseudomesochra laptevensis Willen, 1996
Pseudomesochra latifurca (Sars, 1906)
Pseudomesochra latifurcata (Sars G.O., 1906)
Pseudomesochra longifurcata T. Scott, 1902
Pseudomesochra media (G. O. Sars, 1911)
Pseudomesochra meridianensis Willen, 1996
Pseudomesochra minor Becker, 1974
Pseudomesochra parvula Willey, 1932
Pseudomesochra perplexa Bodin, 1968
Pseudomesochra scheibeli Schriever, 1982
Pseudomesochra similis Lang, 1935
Pseudomesochra tamara Smirnov, 1946
Pseudomesochra tatianae Drzycimski, 1968
