They make good "ground turrets".

Tame a decent trike/parasaur and lvl health and put it on passive, then aquire several dilos set to agressive, then set them to follow thw trike/parasaur. Tada, a few of these and your base is pretty safe from snaller predators such as raptors, sarcos, compys, troodons, and if they are high enough lvl terror birds and kapros as well. Titanoboasa are still dangerous because of the narcotic venom