Canthocamptidae G. O. Sars, 1906
Mesochra aestuarii Gurney, 1921
Mesochra alaskana M. S. Wilson, 1958
Mesochra anomala Klie, 1950
Mesochra aralensis Borutsky, 1927
Mesochra arenicola Nicholls, 1939
Mesochra armoricana Monard, 1935
Mesochra arupinensis Brian, 1925
Mesochra baylyi Hamond, 1971
Mesochra bisetosa Lee & Chang, 2008
Mesochra bodini Kunz, 1975
Mesochra brucei Richard, 1898
Mesochra dulcicola
Mesochra dulcicula Jakobi, 1956
Mesochra exigua Sars G.O., 1911
Mesochra flava Lang, 1933
Mesochra freyri Gomez & Steinarsdottir, 2007
Mesochra gracilis (Brady & RobertsonD., 1873)
Mesochra heldti Monard, 1935
Mesochra hinumaensis Kikuchi, 1972
Mesochra hirticornis (Scott T., 1895)
Mesochra inconspicua (T. Scott, 1899)
Mesochra inermis (Brady, 1902)
Mesochra ingolfssoni Gomez & Steinarsdottir, 2007
Mesochra lilljeborgi Boeck, 1865
Mesochra lilljeborgii Boeck, 1865
Mesochra lindbergi Petkovski, 1964
Mesochra lybica Blanchard & Richard, 1891
Mesochra meridionalis G. O. Sars, 1905
Mesochra mexicana M. S. Wilson, 1971
Mesochra nana Brady, 1910
Mesochra neotropica Jakobi, 1956
Mesochra oligochaeta Kornev & Chertoprud, 2008
Mesochra pacifica Gómez-Noguera & Fiers, 1997
Mesochra pallaresi Soyer, 1977
Mesochra paranaensis Jakobi, 1954
Mesochra parva Thompson, 1946
Mesochra pestai Lang, 1948
Mesochra pontica Marcus, 1965
Mesochra prowazeki Douwe, 1907
Mesochra pseudoparva Gómez-Noguera & Fiers, 1997
Mesochra pygmaea (Claus, 1863)
Mesochra quadrispinosa Shen & Tai, 1965
Mesochra rapiens (Schmeil, 1894)
Mesochra reducta Klie, 1950
Mesochra robertsoni Brady, 1880
Mesochra rostrata Gurney, 1927
Mesochra sancarlensis Rocha O. & Matsumura-Tundisi, 1976
Mesochra schmidti Mielke, 1974
Mesochra sewelli Lang, 1948
Mesochra snoppa Gomez & Steinarsdottir, 2007
Mesochra stellfeldi Jakobi, 1954
Mesochra suifinensis Borutsky, 1952
Mesochra suifunensis Borutsky, 1952
Mesochra timsae Gurney, 1927
Mesochra wolskii Jakubisiak, 1933
Mesochra xenopoda Monard, 1935
