Trilobites: Big Discovery in a Tiny Mammal-Like Skull Found Under a Dinosaur?s Foot

[ahlam1399]

Paleontologists found a 130 million-year-old haramiyid fossil in Utah, suggesting that the ancient relatives of modern mammals spread farther across the globe than thought.

أكثر... (https://www.nytimes.com/2018/05/23/science/haramiyid-skull-utah.html?partner=rss&emc=rss)