Paleontologists have discovered a new dinosaur species with tiny arms, raising more questions about the part these small limbs played.
The paleontologists began digging in the area back in 2012 after Juan Ignacio Canale and his colleague found a sauropod fragment at the field site. The dig took around three months and required some jack hammering, but they later began to exhume new fossils from the area. While processing it all, Canale and his colleagues uncovered the new dinosaur with tiny arms.
But the study of this new dinosaur species is just beginning, Canale notes. There’s a lot that the team still needs to work on. They need to create detailed descriptions of the creature. Canale says they also need to complete a CT scan of the skull to look at its internal spaces. Additionally, the dinosaur with its tiny arms raises even more questions. While similar to the T-rex and other species with tiny arms, it’s unclear what exactly the arms would have been used for. In the case of, the species actually features large bones in its arms. This, the paleontologists say, points towards the arms requiring large muscles, too.Earth as it existed 200 million years ago. Image source: dinosaurpictures.
The question of how dinosaurs with tiny arms used those arms has been plaguing scientists for decades. Even as we create new theories or ideas about what they would have been used for, it’s impossible to say for sure. To really prove that, we’d need to go back in time and experience the world they lived in for ourselves.would have gone extinct at the beginning of the Late Cretaceous. At that time, the location it was found near, El Chocon, Argentina, would have been hot and lush.
All we have to do now is figure out what purpose they served so we can better understand these massive creatures that once ruled the Earth. A paper on the new species was published in
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