Paleontologists Disagree About What This Exquisite Shark Fossil Actually Is
Published on May 2, 2024
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…