Frank, AJP XL (1919), 407 F. among literary men of equestrian rank on Caesar’s side, note C. […] Such equestrian staff officers were Mamurra, an old Pompeian from Formiae, notorious for wealth and vice,2 and the phenomenal P. […] Curtius, is designated as a leader of the equestrian order: not only that Curtius was ‘fortissimus et maximus publicanus’, which should suffice. […] Salvidienus may well have been an equestrian officer in Caesar’s army. […] The latter was presumably an equestrian officer (Bell.