3D mouth of an ancient jawless fish suggests they were filter-feeders, not scavengers or hunters
Early jawless fish were likely to have used bony projections surrounding their mouths to modify their mouth shape while they collected food.
Early jawless fish were likely to have used bony projections surrounding their mouths to modify their mouth shape while they collected food.
Evolution
Apr 10, 2024
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96
Evidence in lampreys for the presence of a rudimentary sympathetic nervous system, previously thought to be unique to jawed vertebrates, has been presented in Nature. The finding may prompt a rethink of the origins of the ...
Evolution
Apr 18, 2024
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41