Tag Archives: dinosaurkilling

Life before, during and after the dinosaur-killing asteroid strike

Life before, during and after the dinosaur-killing asteroid strike

Sixty-six million years ago, what is now pine forest and bayou lay beneath a warm inland sea. In that Cretaceous Gulf, the apex hunters were mosasaurs – serpentine marine reptiles that could stretch nearly 50 feet nose to tail. Research led by SMU paleontologist Michael J. Polcyn has compiled the first comprehensive portrait of these creatures in Louisiana, combining scattered …

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