8. Diogenes Laertius (7.16) speaks of Zenon the younger. Whom he means by that name is not quite clear. Some identify him with the son of Musaeus.
But it seems difficult to account for the distinctive title given to him, if that were the case.
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.