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
Posidon
Snakes for hair
Medusa was not a criminal. She was a monster. The only people she ever associated with were her sisters, Stheno and Euryale.
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.
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.
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.
lyre, arrow and bow, chariot, sun, and the laurel tree