A cavalry troop. An operational section of an auxiliary cavalry ala, commanded by a decurio, whose size may have depended in turn on the size of its parent wing. If the turma consisted of 3 decuriae then it would have been comprised of 33 men. In an ala quingenaria the size of each turma was probably 32 cavalrymen, besides the troop commander, but …...


Cavalry unit.
Found on http://www.encyclo.co.uk/local/20764
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