Friday, August 18, 2017
Contact us    |    Advertise    |   Help   RSS icon Twitter icon Facebook icon
    Home  ·  News  ·  Forum  ·  Stories  ·  Image Gallery  ·  Columns  ·  Encyclopedia  ·  Videos
Find: in

Some dinosaurs lost their teeth as they aged


Posted on Friday, 23 December, 2016 | Comment icon 4 comments

Some meat-eaters later became vegetarians. Image Credit: CC BY-SA 3.0 Frank Vincentz
Some young meat-eating dinosaurs lost their teeth as they grew up and ended up becoming plant-eaters.
The unexpected discovery was made by researchers in China who had been studying the fossil remains of Limusaurus inextricabilis, a dinosaur that lived around 150 million years ago.

The team examined two separate fossils of the same species, one with teeth and one without.

It soon became clear that the dinosaurs must have started off eating meat when they were young and then transitioned to pecking at plants with their beaks when they reached adulthood.

"Initially, we believed that we found two different ceratosaurian dinosaurs from the Wucaiwan area, one toothed and the other toothless, and we even started to describe them separately," said study leader Shuo Wang of Capital Normal University in Beijing.

It is the first time that this type of transition has been seen in any reptile species.

"Up until now, who would have thought that there were dinosaurs that had teeth as babies, started to lose them as they grew up and then ended up as toothless adults with beaks ?" said Dr Stephen Brusatte from the University of Edinburgh.

"Nothing like this is seen in any other fossil vertebrate and the platypus is the only modern land-living vertebrate that does anything similar."

Source: BBC News | Comments (4)

Tags: Dinosaur

Recent comments on this story
Comment icon #1 Posted by brlesq1 on 23 December, 2016, 16:23
So instead of chomping you to death, they gum you to death...†
Comment icon #2 Posted by IamthemanfromNantucket on 23 December, 2016, 18:16
Too much Candy and Soda in their diet.
Comment icon #3 Posted by DieChecker on 24 December, 2016, 8:02
From what I've read in various articles on this, they think that the baby dinos were predators, and the adults were vegetarians. That seems pretty cool. Good way to get the kids lots of proteins to grow faster.
Comment icon #4 Posted by Captain Risky on 25 December, 2016, 22:24
Yes and not enough brushing.†


Please Login or Register to post a comment.


  On the forums
Thieves in Germany steal 20 tons of chocolate
8-18-2017
The unusual heist saw a trailer loaded with confectionery being driven away in the town of Neustadt.
Mystery of distant Kuiper Belt object deepens
8-17-2017
The next target of NASA's New Horizons probe is a space rock with some rather intriguing properties.
Scientists solve animal evolution mystery
8-17-2017
A sea algae boom has been credited with the rise of the first complex life forms in Earth's distant past.
Man finds snake on a supermarket pineapple
8-17-2017
A man in Edinburgh got the fright of his life on Tuesday when he found the reptile in his shopping.
Featured Videos
Gallery icon 
Adam Savage meets an alien
Posted 8-18-2017 | 1 comment
The former MythBuster checks out the animatronic alien from the movie Alien Covenant.
 
Concrete blocks chest smash
Posted 8-17-2017 | 0 comments
Multiple world record holder Ali Bahcetepe has 16 concrete blocks smashed on his chest.
 
Animal symbiotic relationships
Posted 8-16-2017 | 2 comments
A look at some of the animal species that rely on one another to survive.
 
 View: More videos
Stories & Experiences
A night that I will never forget
8-18-2017 | Massena, NY
 
Shapeshifter
8-18-2017 | Cranbrook British Columbia
 
Ghost experiences ?
8-11-2017 | United States
 
 
 
My real, true experiences
7-26-2017 | New Zealand
 
Incoming call
7-26-2017 | B.T. Collins Park: Folsom, CA
 
Three knocks woke me up twice
7-26-2017 | Virginia
 
Spider signs
7-21-2017 | Michigan
 

         More stories | Send us your story
 
Top   |  Home   |   Forum   |   News   |   Image Gallery   |  Columns   |   Encyclopedia   |   Videos   |   Polls
UM-X 10.7 Unexplained-Mysteries.com © 2001-2017
Privacy Policy and Disclaimer   |   Cookies   |   Advertise   |   Contact   |   Help/FAQ