Origins
According to later tradition, Antherus was the son of a man named Romulus and was born at Petilia Policastro in Calabria, in southern Italy. Scholars have suggested that he was of Greek origin, and some have proposed that his name may indicate he was a freed slave.
Pontificate and Contributions
Antherus held the see of Rome for only about forty-three days. During this brief period he is recorded as having ordained one bishop for the city of Fondi.
He is particularly remembered for promoting greater care in the searching out and preservation of the acts of the martyrs — building on the work attributed to Pope Clement I, who had appointed notaries to collect such records exactly. Some scholars hold that this very initiative led to his martyrdom; others regard his death as having occurred without drama amid the persecution of Maximinus the Thracian.
Relics & Shrines
Antherus was buried in the papal crypt of the Catacomb of Callixtus on the Appian Way in Rome, and he is possibly the first pope interred in that Crypt of the Popes — a fact that gives his burial particular significance in the catacomb's history.
The catacomb and its papal crypt were rediscovered in 1854 by the pioneering Italian archaeologist Giovanni Battista de Rossi, who found fragments of a Greek epitaph bearing the text reading 'Antherus, bishop'; the inscription appears incomplete, and may originally have included a designation as martyr that is no longer legible.
His ashes were later transferred to the Church of Saint Sylvester in the Campus Martius, where they were discovered on 17 November 1595 during the rebuilding of that church under Pope Clement VIII.
Commemoration
The Orthodox Church commemorates Antherus as a hieromartyr; the OCA Synaxarion lists him on 5 August, alongside Hieromartyr Fabian, Pope of Rome, who buried the bodies of martyrs and succeeded Antherus in the see.
Other dates are observed elsewhere: the Russian Orthodox Church keeps his feast on 18 August, while the Roman Catholic Church commemorates him on 3 January, the day of his death.