It’s been a big month in Jurassic Park: A couple weeks ago, scientists announced they’d decoded the color patterns of a dinosaur called Anchiornis huxleyi, and more recently a new species of Tyrannosaur was found in New Mexico. With coverage in all the big media outlets from National Geographic to the New York Times, it was difficult to miss the first breakthrough, but the second hasn’t gotten quite as much attention. Perhaps because it wasn’t accompanied by feathery artists’ renderings, but still—a new Tyrannosaur? Very cool.
The so-called Bisti Beast was found in the Bisti/De-Na-Zin Wilderness of northwestern New Mexico, nearly 40,000 acres of badlands—classic dino discovery territory, and researchers were granted the first excavation permit for a federal wilderness. Two were discovered, actually—a juvenile and adult—with both skulls and skeletons. Most of North America’s Tyrannosaur finds have come from southern Alberta and northern Montana; finding such a species this far south is extremely rare.
The new critter, named Bistahieversor sealeyi, was discovered in 1997, excavated and flown out by helicopter in 1998, and put on display at the New Mexico Museum of Natural History just recently. The determination of a new species was presented in the Journal of Vertebrate Paleontology last month.
Weighing three tons and measuring 30 feet from its deep snout to pointy tail, the Bisti Beast differs significantly from T. rex by horned projections over its eyes and numerous variations that only a paleontologist could love. It was one of many Tyrannosaur species that lived 74 million years ago; by 68 million years ago, only T. rex remained, and scientists don’t know why the others died out.
MORE ON THE BISTI BEAST
New Mexico Museum of Natural History. LINK
Interview with discoverers via Dinochick. LINK
Discovery News. LINK
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