lamniformes
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Paleontologists Disagree About What This Exquisite Shark Fossil Actually Is
The fossil shark Ptychodus was first identified 190 years ago, but in the intervening centuries of paleontological inquiry, a comprehensive look at the ancient fish has been hard to come by. Until now. In a paper published last week in the Proceedings of the Royal Society B, a team of researchers describe an exceptionally well-preserved…
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Weirdo Manta Shark Found Fossilised in Mexican Limestone
Paleontologists have announced the discovery of an extraordinary fossil shark in Mexico. They describe Aquilolamna milarcae, a Late Cretaceous shark that was wider than it was long, with an oddly slender pair of pectoral fins. This shark, far from a ferocious biter, may have survived by eating plankton.