In synonymy:
Leptosparassus Järvi, 1912 = Polybetes Simon, 1897 (Gerschman & Schiapelli, 1965b: 314)
Streptaedoea Järvi, 1912 = Polybetes Simon, 1897 (Gerschman & Schiapelli, 1965b: 314)

type Olios martius Nicolet, 1849; gender masculine

N.B.: considered a senior synonym of Leptosparassus Järvi, 1912: 29 [urn:lsid:nmbe.ch:spidergen:03768] (type L. parvus Järvi, 1912) and of Streptaedoea Järvi, 1912: 36 [urn:lsid:nmbe.ch:spidergen:03769] (type Sparassus rapidus Keyserling, 1880) by Gerschman & Schiapelli, 1965b: 314.

Transferred to other genera:
Polybetes proximus Mello-Leitão, 1943 -- see Nungara

In synonymy:
Polybetes bidentatus (Järvi, 1914) = Polybetes germaini Simon, 1897 (Gerschman & Schiapelli, 1965b: 321).
Polybetes cancroides Mello-Leitão, 1945 = Polybetes obnuptus Simon, 1897 (Gerschman & Schiapelli, 1965b: 324).
Polybetes humeratus Mello-Leitão, 1941 = Polybetes rapidus (Keyserling, 1880) (Gerschman & Schiapelli, 1965b: 334).
Polybetes immigrans (Strand, 1913, T from Isopeda) = Polybetes pythagoricus (Holmberg, 1875) (Hirst, 1990: 25).
Polybetes retroreceptaculatus (Järvi, 1912) = Polybetes germaini Simon, 1897 (Gerschman & Schiapelli, 1965b: 321).
Polybetes semivittatus Mello-Leitão, 1938 = Polybetes rapidus (Keyserling, 1880) (Gerschman & Schiapelli, 1965b: 334).
Polybetes tucumanus Mello-Leitão, 1941 = Polybetes obnuptus Simon, 1897 (Gerschman & Schiapelli, 1965b: 324).
Polybetes vittatus Mello-Leitão, 1938 = Polybetes trifoveatus (Järvi, 1912) (Gerschman & Schiapelli, 1965b: 335).

Sparassus bombilius F. O. Pickard-Cambridge, 1899b: 17, pl. 2, f. 1-2 (Dm).
Olios bombilius Petrunkevitch, 1911: 498.
Polybetes bombilius Jäger, 2020c: 106 (T from Olios).

Polybetes delfini Simon, 1904e: 99 (Df).
Polybetes delfini Gerschman & Schiapelli, 1965b: 320, f. 5-6 (f).

Sparassus fasciatus Keyserling, 1880: 259, pl. 7, f. 142 (Df).
Sparassus funestus Keyserling, 1880: 249, pl. 7, f. 135a (Dm, not f).
Olios fasciatus Simon, 1880a: 300.
Olios fasciatus Mello-Leitão, 1918a: 47, f. 21-22 (f).
Olios fasciatus Mello-Leitão, 1943a: 198, f. 27 (m).
Polybetes fasciatus Jäger, 2020c: 106, f. 429-455 (mf, T from Olios, P. funestus presumably not conspecific with P. fasciatus).

Polybetes germaini Simon, 1897b: 486 (Dmf).
Streptaedoea retroreceptaculata Järvi, 1912: 40, f. 34, pl. 2, f. 4-6 (Df).
Streptaedoea retroreceptaculata Järvi, 1914: 138, f. 77 (f).
Streptaedoea bidentata Järvi, 1914: 143, f. 78-79 (Dm).
Polybetes germaini Gerschman & Schiapelli, 1965b: 321, f. 3-4, 23, 31-32 (mf, S).

Olios hyeroglyphicus Mello-Leitão, 1918a: 48, f. 25-26 (Dmf; spelled hyerogliphicus in key, hyeroglyphycus in heading, as above in legend).
Olios hieroglyphicus Silva-Moreira et al., 2010: 64 (lapsus).
Polybetes hyeroglyphicus Jäger, 2020c: 109 (T from Olios).

Olios martius Nicolet, 1849: 413, pl. 3, f. 5 (Dm).
Olios hispidus Nicolet, 1849: 414 (Df).
Sparassus martius Keyserling, 1880: 260, pl. 7, f. 143 (f).
Isopeda martius Simon, 1880a: 251.
Polybetes martius Simon, 1897a: 45.
Polybetes martius Gerschman & Schiapelli, 1965b: 323, f. 7-10, 25 (mf).
Polybetes martius Taucare-Ríos & Espinoza-Lagos, 2018: 42, f. 1A-B, 2A-B, 3A-B (mf).

Polybetes obnuptus Simon, 1897b: 487 (Df).
Polybetes tucumanus Mello-Leitão, 1941d: 161, pl. 8, f. 39 (Df).
Polybetes cancroides Mello-Leitão, 1945b: 268, f. 55 (Dm).
Polybetes tucumanus Gerschman & Schiapelli, 1948: 20 (Dm).
Polybetes obnuptus Gerschman & Schiapelli, 1965b: 321, f. 13-14, 40-42 (f, Sm).

Polybetes pallidus Mello-Leitão, 1941f: 217, f. 27 (Df).
Polybetes pallidus Gerschman & Schiapelli, 1965b: 326, f. 15-18, 37 (f, Dm).

Leptosparassus parvus Järvi, 1912: 32, f. 24, pl. 1, f. 3-4 (Df).
Leptosparassus parvus Järvi, 1914: 122, f. 73 (f).

Polybetes punctulatus Mello-Leitão, 1944b: 361, f. 54 (Df).
Polybetes punctulatus Gerschman & Schiapelli, 1965b: 328, f. 19-22, 38 (f, Dm).

Ocypete pythagorica Holmberg, 1875: 287, pl. 6, f. 2 (Dmf).
Voconia maculata Keyserling, 1880: 232, pl. 4, f. 127 (Dmf).
Isopeda maculata Simon, 1880a: 250.
Polybetes maculatus Simon, 1897a: 29, f. 28 (m).
Polybetes pythagoricus Brèthes, 1909a: 46.
Polybetes maculatus Järvi, 1912: 35, f. 28, pl. 1, f. 7-10 (f).
Isopeda immigrans Strand, 1913c: 614 (Df).
Polybetes maculatus Järvi, 1914: 130 (f).
Polybetes pythagoricus Gerschman & Schiapelli, 1965b: 329, f. 11-12, 26-28 (mf).
Polybetes pythagoricus Hirst, 1990: 25 (S).
Polybetes pythagoricus Ramírez, 2014: 226, f. 154F (m).

Leptosparassus quadrifoveatus Järvi, 1912: 33, f. 26, pl. 1, f. 5-6 (Df).
Leptosparassus quadrifoveatus Järvi, 1914: 125, f. 74 .

Sparassus rapidus Keyserling, 1880: 257, pl. 7, f. 141 (Dm).
Sparassus funestus Keyserling, 1880: 249, pl. 7, f. 135 (Df, not m).
Olios rapidus Simon, 1880a: 300.
Sparassus rapidus Keyserling, 1891: 254.
Sparassus rapidus Tullgren, 1905: 44, pl. 6, f. 18 (f).
Streptaedoea rapida Järvi, 1912: 36, f. 33, pl. 1, f. 11-13, pl. 2, f. 1-3 (f).
Streptaedoea rapida Järvi, 1914: 131, f. 75-76 (m).
Olios rapidus Mello-Leitão, 1918a: 56, f. 32-33 (mf).
Polybetes semivittatus Mello-Leitão, 1938a: 109, f. 28 (Df).
Polybetes humeratus Mello-Leitão, 1941f: 216, f. 26 (Df).
Polybetes rapidus Gerschman & Schiapelli, 1965b: 333, f. 1-2, 24, 29-30 (mf, S).

Polybetes rubro-signatus Mello-Leitão, 1943a: 200, f. 29, 29a-b (Dmf).

Leptosparassus trifoveatus Järvi, 1912: 29, f. 23, pl. 1, f. 1-2 (Df).
Leptosparassus trifoveatus Järvi, 1914: 119, f. 72 .
Polybetes vittatus Mello-Leitão, 1938a: 110, f. 29 (Df).
Polybetes trifoveatus Gerschman & Schiapelli, 1965b: 336, f. 33-36, 39 (f, Dm, S).