Okay shellheads: If you want to draw, write fics or make crazy awesome head-canons you must to see these:
1- A happy turtle simple graphic
2- All the fucking parts of the plastron and carapace.
3- Human bones comparison whit our reptilian friends.
4-5- How they get into their shells. Some are more exposed and others are completely locked.
6- Approximation graphic… I tried.