her head was her symbol with all the snakes on it
I wouldn't say that Perseus has any obvious symbols but my guess is that Pegasus is best affiliated with Perseus because Pegasus was born when Medusa was slain by Perseus. Pegasus sprang from Medusa's blood. I gave it a shot :-)
Of the choices choanocytes, medusa, spicules, or gemmules, Medusa is the option that is not associated with sponges.
snakes
Some common symbols associated with romanticism include nature, the sublime, emotions, individualism, and the supernatural.
In Greek mythology, Medusa is not typically depicted as having a scepter. She is known primarily for her hair of snakes and her ability to turn people to stone with her gaze. While some artistic representations might show her with various symbols of power, a scepter is not a common attribute associated with her character. Medusa is more often portrayed as a victim of the gods rather than a figure of authority.
Posidon
Snakes for hair
I think it is Medusa's head becase it was then put on Athena's sheild afther he gave her back his sheild and Medusa's head. I think that is what it is.
Athena is depicted in full armour, and has a shield with Medusa's head on it.
Medusa was not a criminal. She was a monster. The only people she ever associated with were her sisters, Stheno and Euryale.
A symbol is something which stand for a god or a person or similar. It is not the same thing as a well-known trait of somebody. Medusa was known to have snakes for hair. That does not make snakes symbols for Medusa. In this sense she does not have a symbol.
Some symbols associated with reading include books, glasses, a library, a bookshelf, a bookmark, and an open book. Reading can also be represented by a cozy nook, a cup of tea, or a reading lamp.