Summula, Mauretania
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Summula was an ancient city and bishopric in Roman North Africa. It is now a Latin Catholic titular see.
Summula was one of many cities in the Roman province of Mauretania Caesariensis, important enough to become a suffragan diocese,[1] [2][3] but faded completely, plausibly at the 7th century advent of Islam.
Its only recorded residential bishop was Quodvultdeus, one of the Catholic bishops participating at the Carthage Council in 484 called by king Huneric of the Vandal Kingdom in 484, after which most of the Catholic episcopate was exiled.