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Omnivorous, Rodent-Like Mammal Lived in Dinosaurs’ Shadow on Pacific Coast

Sam Miller1 month ago03 mins

Paleontologists have descibed a new species of the multituberculate mammal genus Cimolodon based on a fossil found in Baja California, Mexico. An illustration of Cimolodon desosai on the tree with a fruit in its mouth. Image credit: Andrey Atuchin. The newly-described mammal species lived in what is now Mexico about 75 million years ago (Cretaceous…

Millions of years ago, the megalodon ruled the oceans – why did it disappear?

Sam Miller2 months ago05 mins

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. When did the megalodon shark go extinct, and why? – Landon, age 10 Imagine traveling back in time and observing the oceans of 5 million years ago. As you stand…

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teeth

Omnivorous, Rodent-Like Mammal Lived in Dinosaurs’ Shadow on Pacific Coast

Millions of years ago, the megalodon ruled the oceans – why did it disappear?