Spurius Antius was one of four Roman envoys sent to Fidenae after it revolted against Roman rule and allied itself with the Etruscan city state of Veii. He, and the other Roman emissaries, were murdered on the orders of the King of Veii, Lars Tolumnius.
- Liv. 188.8.131.52 http://latin.packhum.org/loc/914/1/0#214
- William Henry Smyth (1856). Descriptive catalogue of a cabinet of Roman family coins belonging to His Grace the Duke of Northumberland. Savill and Edwards, printers. pp. 10–.
- Livy, Ab Urbe Condita Libri 4.17.1-6
- Rutledge, Steven (2012). Ancient Rome as a Museum: Power, Identity, and the Culture of Collecting. Oxford Studies in Ancient Culture & Representation. Oxford University Press. p. 149. ISBN 9780199573233. Retrieved 2016-02-06.