Cat gap
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The cat gap is a period in the fossil record of approximately 25 million to 18.5 million years ago in which there are few fossils of cats or cat-like species found in North America following the extin
Skeleton reconstruction of Hoplophoneus primaevus, one of the cat-like predators present in North America during the Paleogene
Some paleontologists argue that caniforms like Amphicyonidae – "bear dogs" - responded to the cat gap by evolving to become more cat-like, to fill the hypercarnivore niche.
Nimravidae
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Nimravidae is an extinct family of carnivorans, sometimes known as false saber-toothed cats, whose fossils are found in North America, Africa, and Eurasia. Nimravids were the first lineage of carnivor
Cat gap
…climate (global cooling), changes in the habitat and environmental ecosystem, the increasingly hypercarnivorous trend of the cat-like predators (the nimravids), volcanic activity, evolutionary changes in dental morphology of the Canidae species present in North America, or a periodicity of extinctions called…
Hoplophoneus primevus IMG 4443
Restoration of Dinictis and Protoceras by Charles R. Knight
Hoplophoneus primaevus
Dinictis felina by R. B. Horsfall