Dionysius of Halicarnassus reports his cognomen as Nomentanus but the inscription on the Fasti Capitolini more closely resembles the name Caeliomontanus.
At the beginning of his term, they each led separate campaigns against the Aequi and the Volsci who had both been setting fire to farmlands around Rome.
[2][3][4] Two years later, in 467 BC, after having taken Antium from the Volsci, the Romans had established a colony there.
Tricostus was, along with Titus Quinctius Capitolinus Barbatus and Publius Furius Medullinus Fusus, one of the three triumvirs (the triumviri agro dando) in charge of partitioning and distributing the lands of Antium to the colonists.
[5][6][7][8][9] He is possibly the same person as the legate who served under the consul Titus Romilius Rocus Vaticanus against the Aequi in 455 BC.