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Showing results for tags 'transitional fossil'.
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From the album: Sharks
White sharks used to have smooth-edged teeth. They eventually evolved serrations as their diets transitioned to marine mammals from fish. This shark was a transitional form between the smooth-edged predecessors and the modern fully-serrated great white. The serrations on this tooth are not worn-down. C. hubbelli serrations are naturally finer, typically decrease in size towards the tip, and are oriented towards the tip. This tooth is from the desert of northern Chile. Fossils from Chile are now illegal to export, so as an ethical collector you need to make sure that any Chilean fossils you are interested in were exported prior to the ban.-
- great white
- great white shark
- (and 10 more)
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From the album: Sharks
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- carcharodon
- white shark
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From the album: Miscellaneous
A 1:1 3D print of the holotype skull of the famous Tiktaalik roseae. I believe the model was produced via CT scan of the original fossil. Learn more about Tiktaalik: https://tiktaalik.uchicago.edu/-
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- tiktaalik roseae
- tiktaalik
- (and 5 more)