化石化したふんや嘔吐物―誰が何を食べていて、誰が誰を食べてたのかを示す証拠―に大きく依拠した新しい研究は、恐竜が三畳紀にどのようにして競争を制したのかを新たに明らかにした。この研究は、この重要な時期の豊富な化石があるポーランドの地 ...

Paleontologists examined five fossilized theropod teeth for a study and found that they represented members of different dinosaur groups, including tyrannosaurs, spinosaurs and dromaeosaurs ...

Chris T. Barker et al. 2024. Theropod dinosaur diversity of the lower English Wealden: analysis of a tooth-based fauna from the Wadhurst Clay Formation (Lower Cretaceous: Valanginian) via phylogenetic ...

NEW YORK (AP) — Using fossilized feces and vomit samples from Poland, scientists have reconstructed how dinosaurs came to dominate the Earth millions of years ago. Researchers aren't sure ...

NEW YORK — Using fossilized feces and vomit samples from Poland, scientists have reconstructed how dinosaurs came to dominate the Earth millions of years ago. Researchers aren’t sure ...

NEW YORK (AP) — Using fossilized feces and vomit samples from Poland, scientists have reconstructed how dinosaurs came to dominate the Earth millions of years ago. Researchers aren't sure whether ...

A new study published Wednesday in the journal Nature sheds some new light on how that came to be, and the research behind it has a whole lot to do with one thing: fossilized dinosaur poop.

NEW YORK (AP) — Using fossilized feces and vomit samples from Poland, scientists have reconstructed how dinosaurs came to dominate the Earth millions of years ago. Researchers aren’t sure whether ...