South Sudan, Southern Ethiopia, Somalia, Uganda (extreme east and extreme north-west) and Northern Kenya. 

Subspecies:

Heliobolus spekii sextaeniata  (STEJNEGER, 1893)

Synonyms:

Heliobolus spekii sextaeniata  STEJNEGER, 1894

Eremias sextaeniata  BOULENGER, 1895

Types:

Holotype: USNM 20080

Terra Typica:

Tana river, Kenya.


Relevant taxonomic literature:

  • Stejneger, L. (1893) -  On some collections of Reptiles and Batrachians from East Africa and the adjacent islands, received from Dr. W.L. Abbott and Mr. William Astor Chanler, with descriptions of new species. -  Proceedings of the United States National Museum, 16: 711-741.