Is a Turtle Shell Really Modified Ribs?
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It’s thought that the evolution of turtles
A turtle shell is not a shell at all but is made up of specially evolved ribs.
![](https://www.cbc.ca/kids/images/turtlefacts_underwater-compresson.jpg)
4 fun facts about our friends in a shell: the turtle, Articles
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Turtles' solid shells first stemmed from robust ribs – A new anatomy, paleontology thing for curious kids – 2 New Things
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Weird (But True) Archives
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Weird (But True) Archives
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How the turtle got its shell through skeletal shifts and muscular origami
Eight-year-old boy discovers early turtle fos
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Turtles in a nutshell - the Node
![](https://www.cbc.ca/kids/images/turtlefacts_sound.jpg)
4 fun facts about our friends in a shell: the turtle, Articles
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Fundamentalincome Smell Articles
Understanding the Unique Anatomy of Turtles & Their Mysterious Shells, by Muntaseer Rahman
![](http://www.easthamptonstar.com/sites/default/files/20190620_EasternBoxTurtleVB2_0.jpg)
Box Turtles Need Our Help
How Beautiful Are Turtles Shells, Pictures, by Regia Marinho
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