eocene saber-toothed tiger living in north america

sabertoothed tiger cat smilodon fatalis family felidae feline extinct fangs carnivore predator hunter hunting prehistoric primitive primeval mammal beast sabershaped canine creature organism vertebrate savage north america pleistocene eocene tertiary age era period epoch genus species wild wildlife forest plant fern growling landscape rendering saber-toothed saber-tooth carnivorous lived periods living