File:Ichthyosaur Vs Dolphin.svg
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)