The teeth are much to pronounced.
Go back to the old turtle-y head.
Also make carapace more rounded. The plastron looks ok for now, but you may want to fix the gap in the ribs on the stomach area of it.
Go back to the old turtle-y head.
Also make carapace more rounded. The plastron looks ok for now, but you may want to fix the gap in the ribs on the stomach area of it.