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In the Eocene Epoch, there was a reptile that had teeth equipped for biting through flesh, its hind legs were a lot longer than its front legs and instead of claws, its toes were each capped with hooves. How did this living nightmare come to evolve?

Thank you to these paleoartists for allowing us to use their wonderful illustrations:
Ceri Thomas:   / alphynix  
Fabrizio De Rossi: https://252mya.com/collections/shop/f...
Nobu Tamura: https://spinops.blogspot.com/
Esther van Hulsen: https://www.esthervanhulsen.com/
Stanton Fink: https://www.deviantart.com/avancna

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References: https://docs.google.com/document/d/10...