How to tame a Parasaur:

Step 1: Find decent level Parasaur.

Step 2: craft a couple bolas.

Step 3: bola and BEAT the parasaur into submission.

Step 4: put mejoberries and narcoberries into inventory. (narcotic works)

Step 5: wait 1-5 minutes to tame.

Step 6: craft saddle and think of dope name.

Step 7: name Parasaur and ride it to your home.

Step 8: If the Parasaur runs out of food in the taming process, must more mejoberries into its inventory.

Step 9: Enjoy your new Parasaur!