Varanops
This animal too lived in the swamps, reaching lengths of 5 feet long and weighing about 50 pounds and its food supply was smaller animals like rodents. This reptile had a small head with long legs and a long tail, probably used to chase its small agile prey making it agile as well. Not much is known about the varanops since the extinction basically reduced their entire population and became extinct due to being out competed by the therapids.