An animation of the ancient 'shark' Fanjingshania renovata swimming. (Image credit: IVPP/Chinese Academy of Sciences) via Live Science i.imgur.com Submitted by jakobair t3_xwbd2w on October 5, 2022 at 1:57 PM in gifs 90 comments 3,164
patsaid16 t1_ir7ecrn wrote on October 5, 2022 at 9:39 PM That does not scream ram-jet ventilation. Looks more like standard osteicthys/teleost operculum-assisted ventilation. Permalink 1
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