• Monoposthia apiculata Cobb, 1930 accepted as Monoposthia costata (Bastian, 1865)
• Monoposthia arctica Allgén, 1954
• Monoposthia baxteri Keppner, 1994
• Monoposthia besnardi Gerlach, 1956 accepted as Nudora besnardi Gerlach, 1956
• Monoposthia campbelli Schulz, 1935 accepted as Nudora campbelli (Schulz, 1935)
• Monoposthia chilensis Steiner, 1921
• Monoposthia chinensis Steiner, 1921 accepted as Monoposthia costata (Bastian, 1865)
• Monoposthia constricta Ditlevsen, 1918
• Monoposthia costata (Bastian, 1865)
• Monoposthia desmodoroides Allgén, 1959
• Monoposthia duodecimalata Chitwood, 1936
• Monoposthia falklandiae Allgén, 1959
• Monoposthia grahami Allgén, 1959
• Monoposthia hexalata Chitwood, 1936
• Monoposthia inhabelae Gerlach, 1957 accepted as Nudora inhabelae (Gerlach, 1957)
• Monoposthia latiannulata Platonova, 1971
• Monoposthia longiseta (Allgén, 1935)
• Monoposthia loricata Kreis, 1929
• Monoposthia mediterranea Schulz, 1935 accepted as Monoposthia costata (Bastian, 1865)
• Monoposthia mediterranea Schuurmans Stekhoven, 1950
• Monoposthia metamediterranea accepted as Monoposthia costata (Bastian, 1865)
• Monoposthia mielcki Steiner, 1916
• Monoposthia minor Schulz, 1932
• Monoposthia mirabilis Schulz, 1932
• Monoposthia octalata Galtsova, 1976
• Monoposthia ornata Timm, 1954
• Monoposthia pacifica Allgén, 1951
• Monoposthia paramediterranea (Allgén, 1959)
• Monoposthia similis Schulz, 1932
• Monoposthia spiculata Cobb, 1930
• Monoposthia steineri Filipjev in Steiner, 1921 accepted as Nudora steineri (Steiner, 1921)
• Monoposthia thorakista Schulz, 1935 accepted as Nudora thorakista (Schulz, 1935)
• Monoposthioides anonoposthia Hopper, 1963
• Monoposthioides mayri Wieser & Hopper, 1967
• Nudora armillata Wieser, 1959
• Nudora besnardi Gerlach, 1956
• Nudora bipapillata Platt, 1973
• Nudora campbelli (Schulz, 1935)
• Nudora crepidata Wieser, 1954
• Nudora gerlachi Andrássy, 1973
• Nudora gourbaultae Vanreusel & Vincx, 1989
• Nudora ilhabelae Gerlach, 1957
• Nudora inhabelae (Gerlach, 1957)
• Nudora lineata Cobb, 1920
• Nudora nuda Inglis, 1965
• Nudora omercooperi Inglis, 1964
• Nudora sarmatica
• Nudora septentrionalis Tchesunov, 1979
• Nudora steineri (Steiner, 1921)
• Nudora thorakista (Schulz, 1935)
• Rhinema exquisitum Timm, 1961
• Rhinema retrorsum Cobb, 1920