The church is heavily rebuilt and the mosaics are not original.

The Church of Spirito Santo, also built by Theodoric and originally named Hagia Anastasis (Holy Resurrection). This was an Arian cathedral, and it was re-consecrated as the Catholic cathedral of Saint Teodoro (soldier and martyr of Amasea in Porto) in 526. Little remains of the original church after its reconstruction in 1543; some historians speculate that the original mosaics were already lost over a thousand years earlier during its Catholic reconstruction due to Arian themes. It is a typical three-aisled basilica.