A member of the aristocratic gens Viria, Gallus’ early senatorial career is unknown. He was appointed consul posterior alongside Anicius Faustus Paulinus in 298. After his term as consul, Gallus was appointed the Corrector of the region of Campania.
- Martindale, J. R.; Jones, A. H. M, The Prosopography of the Later Roman Empire, Vol. I AD 260–395, Cambridge University Press (1971)
- Deroux, Carl, Studies in Latin literature and Roman history, Volume 164 (1979), pg. 157
- Martindale & Jones, pg. 384
- Mussche, H. F., Monumenta Graeca Et Romana, Volume 3 (1980), pg. 49