Non-Legionary Troops in Roman Britain: Part One, the Units

It is the intention of this paper to establish, insofar as the evidence permits, the auxiliary units in the army of Roman Britain and their forts of garrison at different periods. In Part One all such units are listed and the evidence for movement within Britain is cited, even when that evidence is no more than a single diploma which records presence in Britain. For units which served or may have served in other provinces as well as Britain the non-British evidence is cited selectively: the latest record before transfer to Britain or the first after movement away from the province; and records of vexillations serving in other provinces.