Trapping these guys isn't a difficult process. If you don't have the time or resources to make a full trap, just put down one or two bear traps, space them a little bit apart, and get behind them, then aggro the baryonyx you want. It'll run onto them and get stuck, then just take them down! (I have a Mastercraft bow I found in a drop, so only about four or five tranq arrows did the trick.)