Legio I Adiutrix
Legio prima Adiutrix (First Auxiliary legion), was a Roman legion formed in 68, possibly by Galba under orders of Nero. The last record mentioning the Adiutrix is in 344, when it was stationed at Brigetio (modern Szöny), in the Roman province of Pannonia. The emblem of the legion was a capricorn, used along with the winged horse Pegasus, on the helmets the symbol used by I Adiutrix legionaries was a dolphin.
Read more about Legio I Adiutrix: Origins, Year of The Four Emperors, Stationed in Moguntiacum, Legio I Adiutrix Pia Fidelis