Stephanus of Byzantium frequently quotes from a work of his, entitled Macedonica (s. v. Altus (Mygdonia) ), as also from another entitled Carica.
It is, perhaps, the same Theagenes, who wrote a work on Aegina, quoted by John Tzetzes.
He is one of the authors (= FGrHist 774) whose fragments were collected in Felix Jacoby's Fragmente der griechischen Historiker.
Dictionary of Greek and Roman Biography and Mythology.
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