Up to 9 cm (3.5 in) long, it is variable in appearance; all black in northern KwaZulu-Natal and brown with yellow legs in Mpumalanga. The legs are otherwise rust-coloured. It has a heavy-set body with stocky legs and stout arms (pedipalps) with short pincers (chelae). Its cephalothorax around 11 mm long and broader (11.5 mm) across. The tail is around 3.5 cm (1.4 in) long. British naturalist R. I. Pocock described the scorpion in 1892, naming it after the person who collected the specimen in the Murchison Range in what was then Transvaal, C.R.Jones.