Plato is the sole ancient source for Atlantis
The Atlantis story appears in exactly two of Plato’s dialogues, the Timaeus and the Critias (c. 360 BCE). No independent ancient source predates or corroborates it. The often-cited Hellanicus wrote about the daughters of Atlas, not a sunken island; Crantor merely commented on Plato.
Verified 3-0 across two independent passes.
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