New dinosaur sported a curious set of chompers | Science News

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New dinosaur sported a curious set of chompers

Fossils discovered in France linked to previously unknown Cretaceous species

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4:00pm, October 26, 2017
Matheronodon provincialis

ALL TEETH  While researchers have only the dinosaur’s upper jaw bone and some teeth, this reconstruction takes a stab at a portrait of Matheronodon provincialis, a new species.

An ancient vegetarian dinosaur from the French countryside has given paleontologists something to sink their teeth into.

The most striking feature of a new species of rhabdodontid that lived from 84 million to 72 million years ago is its oversized, scissorslike teeth, paleontologist Pascal Godefroit, of the Royal Belgian Institute of Natural Sciences in Brussels, and his colleagues report October 26 in Scientific Reports. Compared with other dinos of its kind, Matheronodon provincialis’ teeth were at least twice as large but fewer in number. Some teeth reached up to 6 centimeters long, while others grew up to 5 centimeters wide. They looked like a caricature of normal rhabdodontid teeth, Godefroit says.

Of hundreds of fossils unearthed over the last two decades at a site called Velaux-La Bastide Neuve in the French countryside, a handful of jaw bones and teeth now have been

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