“Those big fangs were either used to bite into the throat of the prey or were used to rip and tear the flesh.”
, thanks to a 71-millimeter-long lower jawbone with teeth that was originally found in a San Diego County fossil bed.
The fossil gives away that the creature had long saberlike canine teeth because the bony chin is downturned, to protect the fangs, and there is a gap in the lower teeth to fit them, says Ashley Poust, a paleontologist at the San Diego Natural History Museum. The canines themselves weren’t recovered. Paleontologist Ashley Poust holds the jawbone of a newly identified species of one of the earliest hypercarnivoresThe saber-toothed mammal preceded the better-known saber-toothed cats by tens of millions of years.“Those big fangs were either used to bite into the throat of the prey or were used to rip and tear the flesh,” Poust says. “This fossil, in particular, helps us understand what the whole food web would’ve looked like.
Today’s hypercarnivores range from massive polar bears and fierce tigers to your cuddly housecat. But that lifestyle was uncommon for predators of the Eocene Epoch, which ended around 34 million years ago, and there aren’t a lot of these carnivores known from that time.
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