
Journey through 165 million years as paleontologist Steve Brusatte reveals dinosaurs' epic saga. Hailed as "THE ULTIMATE DINOSAUR BIOGRAPHY" by Scientific American, this New York Times bestseller combines 70 original illustrations with thrilling expedition tales, showing why we're living in dinosaur science's golden age.
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What if I told you that the most successful animals in Earth's history-creatures that dominated every continent for 165 million years-owed their empire to pure luck? Picture a thin line of rock in an abandoned Polish quarry. Above it, fossils teem with life. Below it, almost nothing. This boundary marks the Permian-Triassic extinction 252 million years ago, when Siberian volcanoes unleashed an apocalypse that killed nine out of every ten species through acid rain, wildfires, and runaway warming. Yet in this scorched world, something remarkable happened. Tiny footprints appear in the rock-Prorotodactylus, tracks of cat-sized creatures walking upright rather than sprawling like lizards. These dinosauromorphs weren't impressive. They weren't destined for greatness. They were simply there when the world reset. By 230 million years ago, these gangly survivors had evolved into true dinosaurs like Herrerasaurus and Eoraptor in Argentina's Valley of the Moon-still modest creatures in a world dominated by pig-like dicynodonts and early mammal relatives. For thirty million years after their origin, dinosaurs were evolutionary also-rans. Sites like New Mexico's Hayden Quarry reveal the humbling truth: dinosaurs comprised only 10-20% of Late Triassic ecosystems, vastly outnumbered by their crocodile-line cousins, the pseudosuchians. These rivals looked remarkably dinosaur-like-bipedal, fast-running, occupying similar ecological roles. Statistical analysis shows pseudosuchians consistently outperformed dinosaurs in diversity and innovation throughout the Triassic. So what changed? Another catastrophe. When Pangea cracked apart 201 million years ago, magma erupted through the fractures in four massive pulses over 600,000 years, creating lava flows 3,000 feet thick covering three million square miles. Over 30% of all species vanished. Dinosaurs walked away virtually unscathed while their pseudosuchian rivals perished-survivors of a cosmic coin flip when normal evolutionary rules were suspended. The age of dinosaurs didn't begin with a roar. It began with a whimper, in the ashes of someone else's extinction.
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Criado por ex-alunos da Universidade de Columbia em San Francisco
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Criado por ex-alunos da Universidade de Columbia em San Francisco

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