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Summary
DescriptionIchthyosaur vs dolphin.svg
English: Examples of distinct features shared both by dolphins and derived ichthyopterygians
Vectorized images derived from the following sources:
ichthyosaur: DOI: 10.1371/journal.pone.0088640 - by Ryosuke Motani, Da-yong Jiang, Andrea Tintori, Olivier Rieppel, Guan-bao Chen (CC BY-SA)
dolphin: File:Dolphin anatomy blanka.png - by User:Shibo77 (CC BY-SA 3.0)
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Sceptic view
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