Plebeian family, which produced a succession of important representatives in the 4th cent. BC (family tree in ).
 P., Q. Decemvir in 450 BC
As a member of the second collegium of the decemviri in 450 BC (MRR 1, 46f.) he is said to have been sent into battle against an incursion by the Sabines (Liv. 3,41,9; Dion. Hal. Ant. Rom. 11,23,1).