Tag: ray-finned fish
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Fossil Redraws Fish Feeding History: 310-Million-Year-Old Tongue-Bite in Platysomus
Introduction: A breakthrough in the history of feeding A University of Michigan scientist and colleagues have uncovered what may be the earliest evidence of a tongue-like biting structure in a ray-finned fish. Dating to about 310 million years ago, during the early Pennsylvanian period, the fossil belongs to the genus Platysomus. This discovery marks a…
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Tongue Bite Fossil Rewrites Fish Evolution: 310-Million-Year-Old Discovery
A fossil discovery from roughly 310 million years ago is reshaping how scientists understand the evolution of feeding in ray-finned fish. The fossilized remains of Platysomus, an early Pennsylvanian fish, show the first clear evidence of a tongue-like biting structure that used gill bones to crush and grind prey. This tiny but pivotal innovation demonstrates…