Cats

In the Urantia Book

Various groups of mammals had their origin in a unique animal now extinct. This carnivorous creature was something of a cross between a cat and a seal; it could live on land or in water and was highly intelligent and very active. 61:2.7
20,000,000 years ago many groups of animals migrated to North America from Asia, including many varieties of the cat family. The cat tribe was represented by panthers and large saber-toothed tigers, the latter first evolving in North America (61:3.4,10,13)
The cat family dominated the animal life 61:4.4
During these early epochs of the ice age North America was overrun with many groups of the cat and dog families.61:5.7