together with Lucentilis, bishop of Asculum, and Bonifacius, a presbyter, was despatched by Leo I. to represent him in the Council of Chalcedon, held A. D. 451. Paschasinus, of whose previous history and position in life we know nothing, seems to have held the chief place among the three legates since he subscribed the acts of the council in the name of the pope before the two others.
[W.R]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890