After analysing the teeth and thigh bones of 38 T. rex fossils, some researchers propose reclassifying them as three different species, but others are unconvinced
. But the proposal is already proving unpopular with other palaeontologists.was an apex predator that lived in North America between about 68 and 66 million years ago. The firstfossils were discovered more than a century ago, but for decades very few skeletons were known. More have come to light since the 1990s, says
at the College of Charleston, South Carolina, which means it is now possible to assess whether or not the animals fall into a single species. To explore this question, Persons and his colleague Jay Van Raalte worked with independent researcherfossils, focusing in particular on two features: the number of front teeth in the lower jaw and the stoutness of the thigh bones.is going hybrid, with a live in-person event in Manchester, UK, that you can also enjoy from the comfort of your own home,They discovered variation in both features, which they think justifies splitting the dinosaurs into three distinct species.
Indonesia Berita Terbaru, Indonesia Berita utama
Similar News:Anda juga dapat membaca berita serupa dengan ini yang kami kumpulkan dari sumber berita lain.
Scientists propose Tyrannosaurus had three species, not just 'rex'A group of researchers is proposing that Tyrannosaurus, the most famous of all dinosaurs and the ultimate apex predator, actually includes three species and not just the single T. rex, based on thighbone and tooth variations among dozens of its fossils.
Baca lebih lajut »
TikTok air travel hacks debunked: Which ones actually work?Some tricks — such as putting clothes into pillowcases and hiding extra shirts in an overcoat — may not actually be all that practical.
Baca lebih lajut »
How sneezing hamsters sparked a COVID outbreak in Hong KongHamsters are only the second species known to have spread SARS-CoV-2 to humans.
Baca lebih lajut »
Montgomery Fire Rescue Respond to Two Saturday Fires - Alabama NewsOn Saturday Montgomery Firefighters responded to two separate fires, no one was hurt.
Baca lebih lajut »
Diablo Verde: A delicious way to support a great cause!This mom and her three sons started a salsa business that's so good, it may help save rhinos from extinction!
Baca lebih lajut »
UN to Hold 2 Meetings Monday on Russia's Invasion of UkraineThe U.N.’s two major bodies will hold separate meetings Monday on Russia’s invasion of Ukraine.
Baca lebih lajut »