The iconic species is still the only giant apex predator.
Tyrannosaurus rex represent three separate species. However, a new study published on July 25 in
refutes this claim and suggests that the previous research lacked evidence and Tyrannosaurus rex is made of only one species. The previously controversial research implied that T. rex should be reclassified as three different species, including the standard T. rex, the bulkier"T. imperator," and the slimmer"T. regina." Researchers analyzed 38 T. rex fossils that contained leg bones and teeth samples,paleontologists at the American Museum of Natural History and Carthage College were determined to review the data of the previous research, adding "T.
comparative samples, had non-comparable measurements, and had improper statistical techniques. The controversial paper based its claim on the variation in the size of the second tooth in the lower jaw and the robustness of the femur. On the contrary, the new paper's researchers couldn't replicate tooth fossils and came up with different results after measuring the same samples.
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'Bold theory' that Tyrannosaurus rex is 3 species gets stomped to piecesLaura is an editor at Live Science. She edits Life's Little Mysteries and reports on general science, including archaeology and animals. Her work has appeared in The New York Times, Scholastic, Popular Science and Spectrum, a site on autism research. She has won multiple awards from the Society of Professional Journalists and the Washington Newspaper Publishers Association for her reporting at a weekly newspaper near Seattle. Laura holds a bachelor's degree in English literature and psychology from Washington University in St. Louis and a master's degree in science writing from NYU.
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“Bold Theory” That T. rex Was 3 Species Rebutted – “Tyrannosaurus rex Remains the One True King of the Dinosaurs”Paleontologists find insufficient evidence that the iconic Tyrannosaurus rex should be reclassified. A bold assertion made earlier this year that fossils identified as belonging to the dinosaur Tyrannosaurus rex really represent three distinct species is debunked by new research. The rebuttal fin
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New study of T. rex fossils debunks theory that king of dinosaurs was misunderstoodA provocative study published earlier this year proposed that the world's best-known and perhaps best-loved dinosaur, Tyrannosaurus rex, was actually three separate species. New research suggests that's not true.
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Scientists defend T. rex as only species of mighty TyrannosaurusT. rex still reigns as the king of dinosaurs, according to scientists who on Monday argued against a contentious hypothesis advanced this year that the mighty meat-eater Tyrannosaurus should be recognized as three species and not just one.
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