type Salticus heterophthalmus Wider, 1834; gender masculine; syn. of Ballus chalybeius (Walckenaer, 1802)

Transferred to other genera:
Ballus cinctipes (Banks, 1900) -- see Attidops
Ballus decempunctatus Szombathy, 1915 -- see Porius
Ballus planus Schenkel, 1936 -- see Rhene
Ballus youngi G. W. Peckham & E. G. Peckham, 1888 -- see Attidops

In synonymy:
Ballus depressus poecilopus Bertkau, 1883 = Ballus rufipes (Simon, 1868) (Alicata & Cantarella, 1988: 48).
Ballus seguipes (Simon, 1868, removed from S of B. biimpressus) = Ballus chalybeius (Walckenaer, 1802) (Alicata & Cantarella, 1988: 42, sub B. depressus).
Ballus sellatus Simon, 1900 = Ballus segmentatus Simon, 1900 (Bopearachchi, Eberle & Benjamin, 2022: 318).

Nomina dubia:
Ballus lendli Kolosváry, 1934b: 17, f. 21 (f, Hungary) -- Breitling et al., 2016b: 58, confirming Samu & Szinetár, 1999: 162.
Ballus obscuroides (Canestrini & Pavesi, 1868: 869, m, Italy, originally in Euophrys) -- Brignoli, 1983b: 564.
Ballus sociabilis Franganillo, 1910: 18 (f, Portugal) -- Alicata & Cantarella, 1988: 54, confirmed by Breitling et al., 2016b: 56.
Ballus vulpinus (Westring, 1851: 56, f, Sweden, originally in Attus) -- Alicata & Cantarella, 1988: 54.

Nomen nudum:
Ballus clathratus Simon, 1901a: 482, 485 (Sri Lanka) [urn:lsid:nmbe.ch:spidersp:051408] -- Bonnet, 1955: 844.

Attus armadillo Simon, 1871a: 227 (Dmf).
Ballus armadillo Simon, 1876a: 204.
Ballus armadillo Alicata & Cantarella, 1988: 46, f. 6-8, 17, 23-27 (mf).
Ballus armadillo Rehfeldt & Cassar, 2024: 33, f. 28a-b, 42c-d (f).

Aranea depressa Walckenaer, 1802: 242 (Df; preoccupied by Razoumowsky, 1789, see Araniella cucurbitina).
Aranea chalybeia Walckenaer, 1802: 245 (Dm).
Attus chalybeius Walckenaer, 1805: 23.
Attus depressus Walckenaer, 1805: 27.
Salticus annulipes Latreille, 1819: vol. 30, p. 100 (D).
Attus annulipes Walckenaer, 1826: 55 (Df).
Salticus brevipes Hahn, 1832: 75, f. 56 (Df).
Salticus heterophthalmus Wider, 1834: 273, pl. 18, f. 11 (Df).
Attus chalybeius Walckenaer, 1837: 412 (f).
Attus annulipes Walckenaer, 1837: 417 (Df).
Euophrys suralis C. L. Koch, 1837b: 34 (Dm).
Euophrys brevipes C. L. Koch, 1837b: 33 (Dm).
Marpissa brevipes C. L. Koch, 1846: 58, f. 1126 (f).
Attus heterophthalmus C. L. Koch, 1846: 50, f. 1308 (Dm).
Salticus obscurus Blackwall, 1850: 336 (Dm).
Ballus heterophthalmus C. L. Koch, 1850: 68.
Attus brevipes Westring, 1851: 56.
Attus quinquefoveolatus Doleschall, 1852: 646 (D).
Attus biimpressus Doleschall, 1852: 646 (Dmf).
Salticus obscurus Blackwall, 1861a: 53, pl. 3, f. 28 (m, Df).
Balla heterophthalma Simon, 1864: 311.
Dendryphantes annulipes Simon, 1864: 314.
Dendryphantes brevipes Simon, 1864: 314.
Attus seguipes Simon, 1868b: 631 (Df) [urn:lsid:nmbe.ch:spidersp:056476].
Ballus depressus Thorell, 1870b: 212.
Ballus depressus Thorell, 1872a: 370.
Ballus depressus Simon, 1876a: 203, pl. 11, f. 19 (f, Dm).
Ballus depressus Menge, 1877: 484, pl. 79, f. 274A (m).
Ballus obscurus Menge, 1877: 484, pl. 79, f. 274B (mf).
Ballus depressus Becker, 1882b: 73, pl. 4, f. 4 (mf).
Ballus depressus Peckham & Peckham, 1895: 166, pl. 15, f. 8 (f).
Ballus depressus Simon, 1901a: 486, f. 561-564 (mf).
Ballus depressus Bösenberg, 1903: 445, pl. 43, f. 651 (mf).
Ballus seguipes Lessert, 1910b: 539 (Dm).
Ballus depressus Simon, 1937: 1149, 1245, f. 1781-1782 (mf).
Ballus depressus seguipes Simon, 1937: 1149, 1245.
Ballus depressus Tullgren, 1944: 32, pl. 2, f. 39-40, pl. 3, f. 41 (mf).
Ballus depressus Locket & Millidge, 1951: 220, f. 108C-E (mf).
Ballus depressus Kekenbosch, 1961b: 4, f. 3 (f).
Ballus depressus Miller, 1971: 134, pl. XIX, f. 1-2 (mf).
Ballus depressus Brændegaard, 1972: 161, f. 92-93 (mf).
Ballus chalybeius Flanczewska, 1981: 190, f. 2 (f).
Ballus depressus Roberts, 1985: 120, f. 49e (mf).
Ballus depressus Alicata & Cantarella, 1988: 42, f. 3-5, 15, 19-22 (mf, S of Ballus seguipes).
Ballus chalybeius Heimer & Nentwig, 1991: 494, f. 1320 (mf).
Ballus chalybeius Roberts, 1995: 193, f. (mf).
Ballus chalybeius Fuhn & Gherasim, 1995: 271, f. 125A-F (mf).
Ballus depressus Wesołowska, 1996: 25, f. 7A-E, 8A-C (mf).
Ballus chalybeius Żabka, 1997: 40, f. 54-59 (mf).
Ballus chalybeius Roberts, 1998: 205, f. (mf).
Ballus chalybeius Metzner, 1999: 40, f. 6a-g (mf).
Ballus chalybeius Prószyński, 2003: 37, f. 96-100 (mf).
Ballus chalybeius Benjamin, 2004b: 27, f. 4A, 17A-D, 18A-C, 19A-E, 20A-D (mf).
Ballus chalybeius Almquist, 2007: 521, f. 438a-e (mf).
Ballus depressus Ledoux, 2007: 20, f. 13A (m).
Ballus chalybeius Wesołowska & Tomasiewicz, 2008: 5, f. 5-12 (f).
Ballus chalybeius Prószyński, 2017b: 90, f. 40B, 41B (mf).
Ballus chalybeius García & Suárez, 2019: 73, f. 2f (m).
Ballus chalybeius Azarkina & Haddad, 2020: 16, f. 25-30, 442, 445 (m).

Ballus japonicus Saito, 1939: 36, f. 5.1, pl. 1, f. 4 (Dmf).
Ballus japonicus Saito, 1959: 148, f. 206a-c (f).

Ballus piger O. Pickard-Cambridge, 1876b: 609 (Df).

Attus rufipes Simon, 1868b: 627, pl. 2, f. 10 (Dmf).
Ballus depressus poecilopus Bertkau, in Förster & Bertkau, 1883: 208 (Dmf) [urn:lsid:nmbe.ch:spidersp:056475].
Ballus rufipes Simon, 1937: 1149, 1246.
Ballus rufipes Alicata & Cantarella, 1988: 48, f. 9-11, 18, 28-31 (mf, S of Ballus depressus poecilopus).
Ballus rufipes Szinetár, Gál & Eichardt, 1998: 70, f. 1 (m).
Ballus rufipes Metzner, 1999: 40, f. 7a-f (mf).
Ballus rufipes Zarikian, 2022b: 171, f. 1A-C (m).
Ballus rufipes Loria, 2023: 125, f. 2a-c (m).

Ballus segmentatus Simon, 1900b: 398 (Dm).
Ballus sellatus Simon, 1900b: 398 (Df) [urn:lsid:nmbe.ch:spidersp:032409].
Ballus segmentatus Simon, 1901a: 482, f. 565 (m).
Ballus segmentatus Benjamin, 2004b: 30, f. 21A-C, 22A-D, 23A-B, 24A-I (m, Df).
Ballus segmentatus Bopearachchi, Eberle & Benjamin, 2022: 318, f. 1a-i, 3a-i (mf, S of Ballus sellatus).

Ballus tabupumensis Petrunkevitch, 1914a: 174, pl. 26, f. 19-20 (Df).

Ballus variegatus Simon, 1876a: 205, pl. 11, f. 19 (Dm).
Ballus variegatus Alicata & Cantarella, 1988: 52, f. 12-14, 16, 32-36 (mf).