In synonymy:
Nagaina expallidata (F. O. Pickard-Cambridge, 1901, T from Metaphidippus) = Nagaina incunda G. W. Peckham & E. G. Peckham, 1896 (Maddison, 1996: 309)
Nagaina flavolineata (F. O. Pickard-Cambridge, 1901, T from Beata) = Nagaina incunda G. W. Peckham & E. G. Peckham, 1896 (Maddison, 1996: 309)
Nagaina vegeta (G. W. Peckham & E. G. Peckham, 1901, T from Metaphidippus) = Nagaina incunda G. W. Peckham & E. G. Peckham, 1896 (Maddison, 1996: 308)
Nomina dubia:
Nagaina modesta Caporiacco, 1954: 192, f. 75 (f, French Guiana) -- Ruiz & Brescovit, 2008c: 493
Nagaina olivacea Franganillo, 1930: 41 (Cuba) -- Alayón & Sherwood, 2022: 612