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‘From pipsqueaks to titans’: The complicated evolution of dinosaurs

For tens of millions of years, even as other dinosaur species grew to huge sizes, 40-foot carnivores weren't around. How, ...
4-24-2019 giantcarnivore

‘Ancient lion’: Meet the largest carnivore we’ve ever discovered

Twenty-three million years ago, a giant carnivore larger than any modern-day lion or polar bear stalked sub-Saharan Africa, according to ...