By Michael Marshall
An artist’s impression of a mosasaur, an extinct marine reptile with a nasty biteMR1805/Getty ImagesA giant marine reptile from the dinosaur era had part of its face bitten off, probably by another member of its species. The huge predator survived the attack, but it lost part of its jaw and developed a severe infection – both of which may have contributed to its ultimate demise.
“It’s direct evidence of a violent interaction between members of the same species,” says Dylan Bastiaans at the University of Zurich in Switzerland.
The animal was a mosasaur, one of several groups …