Pseudaelurus
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Pseudaelurus is a prehistoric cat that lived in Europe, Asia and North America in the Miocene between approximately twenty and eight million years ago. It is considered to be a paraphyletic grade ance
Pseudaelurus
Restoration of P. quadridentatus by Mauricio Antón
Restoration of Pseudaelurus chasing Merychippus
Machairodontinae
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Machairodontinae is an extinct subfamily of carnivoran mammals of the cat family Felidae, representing the earliest diverging major branch of the family.
Pseudaelurus
…twenty and eight million years ago. It is considered to be a paraphyletic grade ancestral to living felines and pantherines as well as the extinct machairodonts (saber-tooths), and is a successor to Proailurus. It originated from Eurasia and was the first cat to reach North America, when it entered the continent…
Machairodontinae
Undersides of the skulls of two Smilodon, the skull on the left being in the process of replacing the canines
Domestic cat skull, at maximum gape (80°)
Smilodon fatalis skull, at maximum gape (128°)