 On 12 February 1347, Peter was named Bishop of S. Angelo de Lombardi in Calabria, and, on 30 May 1348, was transferred to the Diocese of Trivento, where he died.He was an able interpreter of John Duns Scotus, and was called "Doctor sufficiens".His chief works are commentaries on the four books of "Sentences", which being a compendium of the doctrine of Scotus were called "Scotellum", whence the author's surname "Scotellus".