In synonymy:
Auletta O. Pickard-Cambridge, 1882 = Macrargus Dahl, 1886 (Wunderlich, 1974b: 160)
Aulettobia Strand, 1929 = Macrargus Dahl, 1886 (Wunderlich, 1974b: 160)
Transferred to other genera:
Macrargus alpinus Li & Zhu, 1993 -- see Nippononeta
Macrargus camtschadalicus (Kulczyński, 1885) -- see Perro
Macrargus coreanus Paik, 1991 -- see Nippononeta
Macrargus indistinctus Kulczyński, 1908 -- see Masikia
Macrargus pacificus Berland, 1924 -- see Laminacauda
Macrargus solitarius Dahl, 1928 -- see Erigone
Macrargus strandi (Schenkel, 1934) -- see Scotargus
In synonymy:
Macrargus excavatus (O. Pickard-Cambridge, 1882) = Macrargus carpenteri O. Pickard-Cambridge, 1895 (Thaler, 1983a: 144)
Macrargus granulosus (L. Koch, 1879, T from Centromerus) = Macrargus multesimus O. Pickard-Cambridge, 1875 (Holm, 1945b: 44)
Macrargus macrochelis (Emerton, 1917, T from Porrhomma) = Macrargus multesimus O. Pickard-Cambridge, 1875 (Buckle et al., 2001: 130)
Macrargus mordax (L. Koch, 1879, T from Linyphia) = Macrargus multesimus O. Pickard-Cambridge, 1875 (Holm, 1945b: 44)
Macrargus rabeleri Schenkel, 1936 = Macrargus carpenteri O. Pickard-Cambridge, 1895 (Wiehle, 1956: 91, sub M. rufus carpenteri)
Macrargus rufus minutus Holm, 1939 = Macrargus carpenteri O. Pickard-Cambridge, 1895 (Locket & Millidge, 1953: 363, sub M. rufus carpenteri)
Nomen dubium:
Macrargus australis Berland, 1924b: 428, f. 14-18 (mf, Juan Fernandez Is.) -- Miller, 2007a: 6