One of the Coahuilasaurus lipani’s most intriguing features is the tooth-like projections on the roof of its mouth ... the narrative that dinosaurs had wide, global ranges.

The scientists also found the distinct tooth-like protrusions projecting from the roof of the mouth, which hadn ... the assumption that dinosaur species were wide-ranging, the study authors ...

He is particularly focused on archaeology and paleontology, although he has covered a wide variety of topics ... An extraordinary new species of horned dinosaur has been discovered in northern ...

It's not clear why some dinosaurs were so big, though scientists think that their upright posture, wide hips, light bones and unique foot structure may have made it easier to grow so large.