Deucalion was a son of Prometheus, a righteous and upright man who, with his wife Pyrrha, was saved from a huge flood Zeus sent to punish and destroy mankind for its hubris and savagery. Forewarned by his father, Deucalion built a huge wooden chest to ride out the raging seas. After they receded, Deucalion made an offering to Zeus to thank him, and consulted an oracle about how to repopulate the earth. He was told to cover his head, and throw the bones of his mother behind him. Deucalion understood this to be a metaphor, and theorizing that the Earth was the mother of all, and its rocks her bones, he and Pyrrha tossed stones behind them. Those that Deucalion threw became men, and those thrown by Pyrrha became women. Deucalion is the name given to a TNO (Trans-Neptunian Object) from the Kuiper Belt region of the solar system, near Pluto.
Astrologically, Deucalion represents being overwhelmed or “flooded”, saved from disaster by seemingly divine intervention; renewal and starting over; and having advance knowledge of a difficulty or potential disaster. There can also be a strong moral code, a highly developed sense of right and wrong.