To tame this Megalosaurus (Big lizard) you will need to do:

1) prepare 25 or 35 trank arrows

2) for taming you will need (in mobile): shooting balms (optional), 3 oviraptor kibble

(or 10 raw prime meat).

before you tame it see what is it's gender.

if it's female you can make Megalosaurus kibble for evolved dodo whit claws.