Cronerburger t1_ir6obvu wrote
Reply to comment by _call_me_al_ in An animation of the ancient 'shark' Fanjingshania renovata swimming. (Image credit: IVPP/Chinese Academy of Sciences) via Live Science by jakobair
Whats up w dem gills
RestlessARBIT3R t1_ir770iy wrote
Looks kind of like an early operculum
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