I AM PRIMARILY MADE OF CALCIUM I PROTECT AND ACT AS CAMOUFLAGE I CAN BE FOUND AS A FILLER RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

Saturn Did you answer this riddle correctly?
YES  NO  

Only one, the last one. Did you answer this riddle correctly?
YES  NO  

I am a rainbow. Did you answer this riddle correctly?
YES  NO  

The beach Did you answer this riddle correctly?
YES  NO  

Rain. Did you answer this riddle correctly?
YES  NO  

A circle Did you answer this riddle correctly?
YES  NO  

Cookie Did you answer this riddle correctly?
YES  NO  

Asia Did you answer this riddle correctly?
YES  NO  

Yes, she brought the house down. Did you answer this riddle correctly?
YES  NO  

Gloves. Did you answer this riddle correctly?
YES  NO  

Pumpkin Did you answer this riddle correctly?
YES  NO  

Earth Did you answer this riddle correctly?
YES  NO  

A Candle Did you answer this riddle correctly?
YES  NO  

A Coffin Did you answer this riddle correctly?
YES  NO  

Understands the riddle to mean incest and hints to Antiochus his understanding.

Antiochus realises from Pericles' hints that Pericles has understood the riddle and determines to have him killed. I am not aware of any other reference to incest in Shakespeare. Incest seems to retain its rightful shock value much more in Shakespeare and the classics. Did you answer this riddle correctly?
YES  NO