University of Edinburgh paleontologist Steve Brusatte was a co-leader of the new study published in Evolutionary Biology in July. They suggested the previous study did not use correct mathematical methods or measurements. In July, another group of paleontologists argued that the March study did not offer enough evidence to show that there were three Tyrannosaurus species. They based their claims on over thirty Tyrannosaurus specimens. The researchers said their study was based on differences in the thickness of the thighbones and the shape of the lower front teeth. imperator, meaning "tyrant lizard emperor," and T. rex, meaning "tyrant lizard king," they proposed two additional species: T. A genus is a larger grouping of related organisms than a species.īut three researchers, led by independent paleontologist Gregory Paul of Baltimore, Maryland, argued in March 2022 that three T.
rex has been recognized as the single species of the genus Tyrannosaurus. Now, researchers are debating whether the giant meat-eating tyrannosaurus should be considered as one species or three different species.
rex, has long been one of the most famous dinosaurs.
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