Petrosidius
Person
Gallic War 5.37 supplies the first indexed source portrait: “… There L. Cotta, while fighting, is slain, together with the greater part of the soldiers; the rest betake themselves to the camp, from which they had marched forth, and one of them, L. Petrosidius, the standard bearer, when he was overpowered by the great number of the enemy, threw the eagle within the intrenchments and is himself slain while fighting with …”
Named form in selected editions; identity established only to the extent of the cited context.
Gallic War 5.37
Caesar
… There L. Cotta, while fighting, is slain, together with the greater part of the soldiers; the rest betake themselves to the camp, from which they had marched forth, and one of them, L. Petrosidius, the standard bearer, when he was overpowered by the great number of the enemy, threw the eagle within the intrenchments and is himself slain while fighting with the greatest courage before the camp. …