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Search resuls for: "Tyrannosaurs"


4 mentions found


☆ Scientists discovered a new dinosaur species, and it could reshape the history of T. rex's evolution
  + stars: | 2024-01-24 | by ( Maiya Focht | ) www.businessinsider.com   time to read: +4 min
Scientists identified a new species of Tyrannosaurs that's likely a predecessor to T. Rex. The new species shows the dinosaurs got bigger a lot earlier than scientists originally thought. Upon reexamination, the scientists found that the bones belonged to a dinosaur that lived 6 million to 7 million years before T. rex existed. That means that Tyrannosaurus, "also got bigger a lot earlier than we thought," Longrich said. Despite what many scientists thought, the T. Rex wasn't the first Tyrannosaurus, but the last, Longrich said.
Persons: Rex, —, Tyrannosaurs, Nick Longrich, Longrich, Spencer Lucas, Dean Mouhtaropoulos, mcraeensis, Rex wasn't Organizations: Service, University of Bath, NPR, Asia Locations: North America, Asia, New Mexico
☆ T. rex fossil is actually a species new to science, study says
  + stars: | 2024-01-12 | by ( Jenna Schnuer | ) edition.cnn.com   time to read: +5 min
CNN —A formerly unknown relative of the most iconic of all dinosaurs, Tyrannosaurus rex, has been newly identified, according to a study released Thursday. Called Tyrannosaurus mcraeensis, the creature likely roamed Earth up to 7 million years before T. rex emerged. But Tyrannosaurus mcraeensis’ bones were discovered decades before the creature officially got its scientific name. “The lower jaw in a Tyrannosaurus rex is actually quite robust. “That set the table for when Sebastian started to look at our specimen and say, ‘Hey, these don’t actually look the same as the famous Tyrannosaurus rex specimens from places like Montana.’”
Persons: rex, mcraeensis, ”, Anthony R, Fiorillo, ” Fiorillo, Sebastian G, Spencer Lucas, Dalman, Kong ”, Sebastian, ’ Organizations: CNN, New, New Mexico Museum, Science, Springfield Science Museum, Cultural Affairs Locations: , New Mexico, New Mexico, Albuquerque, North America, Massachusetts, Montana
☆ Rare North American dinosaur named for two-faced Roman god
  + stars: | 2023-06-07 | by ( Mindy Weisberger | ) edition.cnn.com   time to read: +6 min
Investigating a new speciesThe newfound species, named Iani (YAH-nee) smithi, is the first early ornithopod from this part of the Cretaceous to be discovered in North America. Terry Gates and Lindsay Zanno excavated the bones of Iani smithi from the Cedar Mountain Formation in Utah in 2014. The braincase of Iani smithi was recovered during excavations. Drawers of Iani smithi bones can be seen in the collections at the North Carolina Museum of Natural Sciences. “Perhaps ornithopod species evolved a certain way or adopted certain behaviors to succeed,” she said.
Persons: —, ornithopods, Ornithopods, Darla Zelenitsky, Terry Gates, Lindsay Zanno, Matt Zeher, ” Zelenitsky, Janus, Zanno, ” Zanno, smithi, Mark Thiessen, Becky Hale, Zelenitsky, ” Organizations: CNN, geoscience, University of Calgary, North Carolina Museum of Natural Sciences, North Carolina State University, Geographic Locations: Utah, North America, Canada, Raleigh, Europe, Australia
☆ Ankylosaurs used their sledgehammer tails to fight each other
  + stars: | 2022-12-09 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +4 min
Scientists also believe ankylosaurs could have used their weapon-like tails to assert social dominance, establish their territory or even while battling for mates. Royal Ontario MuseumThese tails measured up to 10 feet (3 meters) long, with rows of sharp spikes along the sides. The tail’s tip was fortified with bony structures, creating a club that could swing with the force of a sledgehammer. Instead, the pattern looks like the result of receiving a forceful slam from another ankylosaur’s tail club. The Zuul fossil is currently kept in the Royal Ontario Museum’s vertebrate fossil collection.
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