Prodidomus simoni is known only from Limpopo province, specifically from Makapans Cave. The species is found at an altitude of 1,416 m above sea level.
Prodidomus simoni is listed as Data Deficient for taxonomicreasons. The status of the species remains obscure, and more sampling is needed to collect the female and to determine the species' range.
Taxonomy
The species was described by R. de Dalmas in 1919 with the type locality given only as Transvaal, Makapan. It has not been revised since its original description and is known only from the male.