Ballus obscurus (♂,♀) (BLACKWALL, 1850)
synonym of
Ballus chalybeius (♂,♀) (WALCKENAER, 1802) [THORELL, 1872: 371]
combinations
Salticus obscurus (♂) BLACKWALL, 1850: 336
Salticus obscurus: (♂,♀) BLACKWALL 1961: 53
Ballus obscurus: MENGE 1877: 484
external sources for more info