Saecularis was a Roman senator who was appointed Consul suffectus around AD 240.
He was later appointed the Proconsular governor of Africa around AD 254, during which time an inscription was erected in his honor at the city of Leptis Magna.
During his term as Urban Prefect, he was in left charge of Rome at a time when both emperors were absent; Valerian in the east, and Gallienus along the Danube frontier.
[3] In AD 260, Saecularis was appointed consul prior alongside Gaius Iunius Donatus.
He held office during the tumultuous period which saw the capture of the emperor Valerian in the east and the rebellion of Postumus in Gaul.