In synonymy:
Poikilothele Mello-Leitão, 1923 (nomen nudum) = Monodontium Kulczyński, 1908 (Bonnet, 1958: 3744)
In synonymy:
Monodontium mutabile minus Kulczyński, 1908 = Monodontium mutabile Kulczyński, 1908 (Raven, 2008a: 32)
Monodontium mutabile oculatior Kulczyński, 1908 = Monodontium mutabile Kulczyński, 1908 (Raven, 2008a: 32)
Monodontium mutabile oculatissimum Kulczyński, 1908 = Monodontium mutabile Kulczyński, 1908 (Raven, 2008a: 32)