How to tame charcarodontosaurus:

Step 1: trap it and use bear-traps

Step 2 bring it dead bodies and a taming thing will be above its head

Step 3 once the taming thing above its head is green, go up to it and ride it

Step 4: you have 10 minutes to kill as much stuff as possible until its taming bar by your HUD is full

Step 5: enjoy your new CHARCARODONTOSAURUS