the bones and tracks digitized them animated them together with specialists and compared their mobility with that and living reptiles today. we found that the movement of these animals was already very well adapted to life on land that's going on which meant we had to shift our estimation of when i thought active mobility on land had a vault back by 15 to 20000000 years and. thomas martin's his grandson and his successor tom who are all the way to the depot a freakin stein castle prepared or obeyed back from the us. you know this book is. a skeleton it's absolutely complete as far as the most in