Exceptionally well-preserved shark fossils from the time of the dinosaurs identified in Mexico

An international team of archaeologists, paleontologists, evolutionists and geoscientists has analyzed ancient shark fossils from the time of the dinosaurs that were recently unearthed in Mexico. In their paper published in the journal Proceedings of the Royal Society B: Biological Sciences, the group describes the condition of the fossils and where they fit in the shark family.