Here is tip for taming a spino! First grab a raft and get 5 stone pillars and 5 ladders. place the 5 pillars on the raft upward and then place the ladders on the pillar so you can get up. step 2 find spino/spinos and knock it out! (Make sure to bring at min 50 narotic ) and this has more then 1 use. I will do rexy