Gaius Lutatius Catulus, consul in 242 BC, was his brother.
In 241 BC, he was elected consul together with Aulus Manlius Torquatus Atticus as his colleague.
[1] In this year, the First Punic War ended with the victory of the Romans.
[2] He was in charge of the administration of the new Roman Province of Sicily that had been ceded by Carthage to Rome.
In 236 BC, he served as Censor, dying in that position.