File:Evolution of the great white shark.jpg

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Captions

Captions

Diagram illustrating the evolution of the great white shark based on transitional fossils.

Summary

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Description
English: The evolution of the modern great white shark (Carcharodon carcharias) can be traced through a mosaic of transitional fossils, which demonstrates the development of serrations over time from the unserrated ancestor (Carcharodon hastalis) through the transitional species (Carcharodon hubbelli). Contrary to popular belief, C. hastalis is not a type of mako shark; it is a member of an independent lineage that diverged from the mako sharks around 43 m.y.a. (Bernal et al., 2001). The approximate temporal range of the C. hubbelli transition is based on Boessenecker et al. (2019).

References:

  • Bernal, D., Dickson, K. A., Shadwick, R.E., & Graham, J. B. (2001). Review: Analysis of the Evolutionary Convergence for High Performance Swimming in Lamnid Sharks and Tunas. Comparative Biochemistry and Physiology, Part A: Molecular and Integrative Physiology, 129(2–3):695–726.
  • Boessenecker, R. W., Ehret, D. J., Long, D. J., Churchill, M., Martin, E., Boessenecker, S. J. (2019). The Early Pliocene extinction of the mega-toothed shark Otodus megalodon: a view from the eastern North Pacific. PeerJ: e6088.
Date
Source

Images of fossil specimens are derived from left to right:

  • [1] (Licensed under CC-BY-SA)
  • [2] ("This file is in the public domain")
  • [3] ("This file is in the public domain)
  • [4] ("This file is in the public domain")
  • [5] ("This file is in the public domain")
Author

Diagram is Own work of uploader.

Derived image authors from left to right:

  • SaberrexStrongheart (CC-BY-SA)
  • Meghunter99 (Public domain)
  • Meghunter99 (Public domain)
  • Meghunter99 (Public domain)
  • Meghunter99 (Public domain)

Licensing

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Date/TimeThumbnailDimensionsUserComment
current19:38, 7 November 2020Thumbnail for version as of 19:38, 7 November 202010,698 × 3,108 (5.71 MB)Macrophyseter (talk | contribs)temporal range
21:23, 5 November 2020Thumbnail for version as of 21:23, 5 November 202010,698 × 3,108 (5.72 MB)Macrophyseter (talk | contribs)Uploaded a work by Diagram is {{own}} of uploader. Derived image authors from left to right: *SaberrexStrongheart (CC-BY-SA) *Meghunter99 (Public domain) *Meghunter99 (Public domain) *Meghunter99 (Public domain) *Meghunter99 (Public domain) from Images of fossil specimens are derived from left to right: *[https://chondrichthyes.fandom.com/wiki/Isurus_hastalis?file=Old_and_new_by_saberrex-d5dtgay.jpg] (Licensed under CC-BY-SA) *[https://fossil.fandom.com/wiki/Transitional_shark_teeth?file=Tra...

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