Troglodytae

[4] Alice Werner (1913) believed (in passing) that this was a clear allusion to the early Khoisan, indigenous inhabitants of Southern Africa, because their languages contain distinctive click sounds.

12) a dwarfish race of Troglodytes dwelt on the upper course of the Nile, who possessed horses and were in his opinion the Pygmies of fable.

[6] In ancient writing, apparently the best known of the African cave-dwellers were the inhabitants of the "Troglodyte country" (Ancient Greek: Τρωγλοδυτική) on the coast of the Red Sea, as far north as the Greek port of Berenice, of whom an account was preserved by Diodorus Siculus from Agatharchides of Cnidus, and by Artemidorus Ephesius in Strabo.

[6] In his work Geographica, Strabo mentions a tribe of Troglodytae living along with the Crobyzi in Scythia Minor, near the Ister (Danube) and the Greek colonies of Callatis and Tomis.

[11] In his work On the Characteristics of Animals, Claudius Aelianus mentions that the tribe of Troglodytae are famous and derive their name from their manner of living.