PETRONILLA, Saint — The deceased Veneranda with the margin S. P. Painting from the 2nd half of the 4th century — Rome, Domitilla cemetery.
The altar with the tomb of the Saint, which is located in the Vatican Basilica. The aforementioned panel has been replaced in the sector with a copy made in mosaic; the original painting by Guercino is now preserved in Rome in the Capitoline Picture Gallery.
BIBL.: K. Künstle, *Ikonographie der Heiligen*, Freiburg in Br. 1926, pp. 492-93.