Genus GONARTHRUS Bezzi

Gonarthrus Bezzi, 1921: 88 . Type species: Dischistus cylindricus Bezzi, 1906, by original designation.

Gonarthrus longibarbus (Efflatoun, 1945)

Geron longibarbus Efflatoun, 1945: 146 . Type locality: Egypt (Gebel Elba: Wadi Edeib, Wadi Kanssissrob). Distribution: AF: Egypt [as ”Gebel Elba”], Sudan. PA: Egypt, Saudi Arabia.

Saudi Arabian localities: Haiel: Al-Nefoud (Haiel Gov.).

Dates of collection: March.