The End of an Era: Resolving the dinosaur extinction and the beginning of the "Age of Mammals" in Northwest Argentina

The extinction of non-avian dinosaurs 66 million years ago paved the way for the "Age of Mammals", but the vast...

Geology of the Upper Jurassic Morrison Formation of central Montana

Two new Jurassic aged (155 million year ago) dinosaurs have been found in central Montana! These “Brontosaurus...

Time traveling through shark skin: Unraveling a pre-historical baseline of Caribbean sharks

How many sharks should there be on Caribbean reefs? Despite evidence suggesting that sharks once existed in...

Tooth plates in chimaeras and their relationship to teeth in sharks

The chimaeras (ghost sharks and spookfish) are a group of often deep sea fishes related to the sharks and rays...

Dino damage and death assemblages: Analyzing ailments and environments of Morrison sauropods

The Morrison Formation contains some of the most impressive dinosaurs from the USA, including the large, long...

Mastodons of Unusual Size: Exploring variation in American mastodon populations

American mastodons lived all across North America during the Ice Age. Paleontologists long suspected that western...

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