The so called "carnivorous kangaroos" were probably more omnivores than true carnivores, but by the shape of their teeth they clearly did eat meat along with plants. When they did hunt, their killing weapon was a sharp set of lower incisors that projected forward from their lower jaws, possibly in combination with grappling with their front paws and disemboweling with their kicks. They are all extinct know, but survived up to the end of the last ice age.