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.
A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890