Medusa in Greek and Roman Biography and Mythology
1. A daughter of Phorcys and Ceto, and one of the Gorgons.
[GORGON, PERSEUS.] - A Dictionary of Greek and Roman biography
and mythology, William Smith, Ed.
Medusa in Wikipedia
In Greek mythology Medusa (Greek: Μέδουσα (Médousa),
"guardian, protectress") was a Gorgon, a chthonic female
monster, and a daughter of Phorcys and Ceto; Only Hyginus,
(Fabulae, 151) interposes a generation and gives another
chthonic pair as parents of Medusa; gazing directly upon
her would turn onlookers to stone. She was beheaded by the
hero Perseus, who thereafter used her head as a weapon
until he gave it to the goddess Athena to place on her shield.
In classical antiquity the image of the head of Medusa
appeared in the evil-averting device known as the