T. rex lookalike suggests that tiny arms developed for a purpose
![](https://images.newscientist.com/wp-content/uploads/2016/07/13175759/t-rex.jpg)
A new species of dinosaur, Gualicho shinya, had tiny arms like T. rex despite coming from a separate continent, suggesting this feature evolved for a reason
![](https://media.australian.museum/media/dd/images/Some_image.width-800.be066b4.jpg)
Dinosaur - Dilong paradoxus - The Australian Museum
![](https://2.bp.blogspot.com/-UT2yLu8Ci04/V4357zrAMUI/AAAAAAAAOKc/_sjDABYPpkA4pSF5snYaQ8DeZMR-ybc0gCLcB/s1600/801%2BPurple-throated_carib_hummingbird_feeding.jpg)
Bwana joen kynästä: heinäkuuta 2016
![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/18/Tyrannosaurus_mcraeensis_%28skull_reconstruction%29.png/220px-Tyrannosaurus_mcraeensis_%28skull_reconstruction%29.png)
Tyrannosaurus - Wikipedia
![](https://cdn.mos.cms.futurecdn.net/PuKhqXFeJNFQT3nsXAi3zN.jpg)
T. Rex Probably Didn't Use Its Tiny Arms Much
![](https://bgr.com/wp-content/uploads/2018/10/screen-shot-2018-10-18-at-1-08-18-pm.png?resize=1400,1400)
The T Rex's tiny baby arms might have been way more useful than
![](https://i.natgeofe.com/n/630a1752-0891-4dd0-b167-c542d1898af4/tyrannosaurus_rex_2607091_3x4.jpg)
Tyrannosaurus rex, facts and photos
![](https://cloudfront-us-east-1.images.arcpublishing.com/dmn/GWOVJ2EF3NEQVB6DKKK3O3YPLQ.jpg)
T. rex exhibit makes roaring entrance at Perot Museum
![](https://s.w-x.co/util/image/w/in-dinosaur_7.jpg?v=ap&w=980&h=551)
Newly Discovered Dinosaur Species Similar to the T. rex Could
![](https://images.newscientist.com/wp-content/uploads/2024/03/18143235/SEI_196151248.jpg?width=300)
T. rex lookalike suggests that tiny arms developed for a purpose
![](https://media.npr.org/assets/img/2021/04/09/llukalkan1.rgb_wide-4fde3d21cd7c21ce8e4c3b3f3e1c9e750786be2c-s1400-c100.jpg)
Llukalkan Aliocranianus Dinosaur Discovered In Argentina : NPR
![](https://static01.nyt.com/images/2021/12/07/lens/07xp-jumper01/07xp-jumper01-videoSixteenByNine3000.jpg?year=2021&h=1688&w=3000&s=64fcabae2f29f7caf62a80cc3c1b5eefce772e2eb7fa9da8056344cd6089724d&k=ZQJBKqZ0VN&tw=1)
It's a Christmas Sweater on a T. Rex: You Sure You Want to Call It