So, if lions and tigers and bears lived at that time, along and together with predator aquatic mammals such as seals, killer whales along with fish like sharks and gar were all vegetarians and didn’t hunt and eat meat? You are going to believe that because some unknown person told that story , was passed down for generations and then someone wrote a book about it and now you swear it must be true? Yeah right, tell me how scientific that is.
There aren’t many of those you have mentioned that couldn’t eat Purina Chow-type kibble, eh? Youse gotta have Faith, man!