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Caecina Mavortius Basilius Decius (floruit 486-510) was a Roman politician under Odoacer's rule. He was consul and Praefectus urbi of Rome in 486 and Praetorian prefect of Italy from 486 to 493.


Decius was the son of Caecina Decius Basilius, consul in 463, and brother of Decius Marius Venantius Basilius (consul in 484), and Basilius iunior (consul in 480, identified with Caecina Decius Maximus Basilius);[1] thus he was member of the gens Caecina. He had a son, Vettius Agorius Basilius Mavortius, who was consul in 527.

Decius returned to favor under the rule of Theodoric the Great, by reclaiming a portion of the Pontine Marshes at his own expense. He was praised for this in a letter signed by Theodoric, and Decius set up an inscription at Terracina stating this was done by the command of king Theodoric.[2] Around 510, Decius was one of five senators appointed to investigate charges that the vir inlustris Basilius and Praetextatus had practiced black magic.[3]


  1. ^ Schauer, Diane, "The Consular Diptych of Basilius Re-evaluated", Seventh Annual Byzantine Studies Conference, 13–15 November 1981, Boston University, Boston, Massachusetts [1] Archived 2007-09-28 at the Wayback Machine
  2. ^ Cassiodorus, Variae II.32; translated by S.J.B. Barnish, Cassiodorus: Variae (Liverpool: University press, 1992), pp. 35-37. CIL X 6850.
  3. ^ Cassiodorus, Variae IV.22; translated by Barnish, Cassiodorus, pp. 77f


  • Bury, John Bagnell, History of the Later Roman Empire, vol. 1 (Courier Dover Publications, 1958) ISBN 0-486-20398-0, p. 409. (The reference is both very slight and secondary, and should probably be omitted; but if kept, the work is online in its entirety, and the passage is here.)
Political offices
Preceded by
Quintus Aurelius Memmius Symmachus,
Post consulatum Theoderici (East)
Consul of the Roman Empire
with Longinus
Succeeded by
Nar. Manlius Boethius,
Post consulatum Longini (East)
Preceded by
Praetorian prefect of Italy
Succeeded by
Preceded by
Quintus Aurelius Memmius Symmachus
Praefectus urbi of Rome
Succeeded by
Nar. Manlius Boethius II