type Strophius nigricans Keyserling, 1880; gender masculine

Nomina dubia:
Strophius bifasciatus Mello-Leitão, 1940c: 181, f. 10 (j, Guyana) -- Teixeira, Campos & Lise, 2014: 75.
Strophius didacticus Mello-Leitão, 1917c: 120 (f, Brazil) -- Teixeira, Campos & Lise, 2014: 75.
Strophius melloleitaoi Soares, 1943a: 14, f. (j, Brazil) -- Teixeira, Campos & Lise, 2014: 75.
Strophius sigillatus Mello-Leitão, 1940c: 182, f. 11 (j, Guyana) -- Teixeira, Campos & Lise, 2014: 75.

Strophius albofasciatus Mello-Leitão, 1929d: 34 (Dmf).
Strophius albofasciatus Teixeira, Campos & Lise, 2014: 75, f. 8G, 9A, 10E-F, 11C, 14E-H, 16F, 19D (mf).

Strophius fidelis Mello-Leitão, 1929d: 33, f. 51-52 (Dmf).
Strophius fidelis Teixeira, Campos & Lise, 2014: 75, f. 14I-J, 16G, 19E (mf).

Strophius hirsutus O. Pickard-Cambridge, 1891a: 87, pl. 11, f. 9 (Df).
Strophius hirsutus F. O. Pickard-Cambridge, 1900: 166, pl. 11, f. 8 (f).
Strophius hirsutus Teixeira, Campos & Lise, 2014: 75, f. 16H, 19F (f. m, f).

Strophius levyi Soares, 1943b: 214, f. 3-4 (Df).

Strophius mendax Mello-Leitão, 1929d: 35, f. 3-4 (Dmf).

Strophius nigricans Keyserling, 1880: 74, pl. 2, f. 38 (Dm).
Strophius nigricans Simon, 1895a: 967, f. 1039-1040.
Strophius nigricans Mello-Leitão, 1929d: 31, f. 50 (mf).
Strophius nigricans Teixeira, Campos & Lise, 2014: 75, f. 8A, 11I, 12C-D, 13F, N, 16I, 19C, G (mf).

Strophius signatus O. Pickard-Cambridge, 1892b: 103, pl. 14, f. 3 (Dm).