Transferred to other genera:

Medmassa andina Simon, 1898 -- see Corinna

Medmassa armata Simon, 1896 -- see Koppe

Medmassa australiensis (L. Koch, 1873) -- see Miturga

Medmassa bicolor Hogg, 1900 -- see Nyssus

Medmassa fusca Hogg, 1900 -- see Nucastia

Medmassa laurenti Lessert, 1946 -- see Mandaneta

Medmassa lesserti Strand, 1916 -- see Procopius

Medmassa nitida Lawrence, 1937 -- see Pronophaea

Medmassa pallipes (L. Koch, 1873) -- see Creugas

Medmassa proxima Lessert, 1923 -- see Pronophaea

Medmassa pusilla Simon, 1896 -- see Creugas

Medmassa semiflava Simon, 1896 -- see Battalus

Medmassa venezuelica Caporiacco, 1955 -- see Corinna

Medmassa vidua Lessert, 1923 -- see Pronophaea

In synonymy:

Medmassa hiekae Berland, 1922 = Medmassa semiaurantiaca Simon, 1909 (Haddad & Bosselaers, 2010: 3)

Nomina dubia:

Medmassa brunneolanceata Caporiacco, 1955: 369 (j, Venezuela) -- Bonaldo, 2000: 34

Medmassa glabra Caporiacco, 1947a: 27 (j, Guyana) -- Bonaldo, 2000: 34

Medmassa nyctalops Simon, 1909f: 377 (f, Equatorial Guinea/Bioko) -- Haddad & Bosselaers, 2010: 11

Medmassa septentrionalis Caporiacco, 1954: 116 (j, French Guiana) -- Bonaldo, 2000: 34