The wide-set eyes and exaggeratingly long teeth likely helped Thylacosmilus atrox become a successful hunter.
Despite having eyes as wide-set as a cow's and surprisingly long upper-canine teeth with roots tunneling deep into its skull, the"marsupial sabertooth" proved to be an effective carnivore, a new study finds.
"What we expect for any carnivore is that [their eye sockets] usually have very convergent orbits, meaning their vision is oriented toward the front," giving them good depth perception, said study lead author Charlène Gaillard , a postgraduate student at the Argentine Institute of Nivology, Glaciology, and Environmental Sciences in Mendoza, Argentina.
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