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 ...

During the Cretaceous Period, a genus of sharks roamed the sea with rows of unusual teeth. Mostly large and rounded, these chompers were not meant to slice through their prey, but to grind and crush ...

After years of uncertainty, a prehistoric shark mystery has at last been solved—thanks to the recent discovery of remarkably complete fossil skeletons in northeastern Mexico. The remains belong to a ...

The frilled shark, also called the lizard shark (Chlamydoselachus anguineus), is one of the ocean’s most ancient species. Its appearance and primitive features have barely changed since the Cretaceous ...

Mississippi is known for its diverse geography with the flat land of the Delta, hills in the northeast and the pine flats to the south, but there was a time when it was vastly different and some of ...