New research reported in the Zoological Journal of the Linnean Society shows that the previously known but misclassified small predatory fish Fouldenia was the first recorded shell-crushing ray-finned fish. Fouldenia is shown swimming along the bottom of a tropical freshwater floodplain about 348 million years ago (John Megahan) Fouldenia first appears in the fossil record a mere 11 million years after an extinction event that ended the Devonian Era...
