As for instance,
templum Jani nunc dicitur, turris Centii Frangipanis; et sane Jano impositae turris lateritiae conspicua hodieque vestigia supersunt, (Montfaucon Diarium Italicum, p. 186).
The anonymous writer (p. 285) enumerates,
arcus Titi, turris Cartularia; arcus Julii Caesaris et Senatorum, turres de Bratis; arcus Antonini, turris de Cosectis, etc.