>>10836450I seriously doubt they are intended to be separated but since they can be sold separately on bricklink I might be wrong
https://www.bricklink.com/v2/catalog/catalogitem.page?P=30462#T=S&O={%22iconly%22:0}
I personally own a stego and triceratops but I'm too afraid of damaging them to attempt taking them apart. Why not just clean them without using much water in those areas? They barely have studs so I don't see how you would need to fully submerge them for a long period of time for a deep cleanse.
