Using these ancient remains, the archaeologists determined that Ptychodus belonged to the order of sharks known as Lamniformes, or mackerel sharks, which is the same group that the Megalodon and today ...

Scientists have explored how changes in sea surface temperatures during the Cretaceous influenced the diversification and ...

HALEIWA, Hawaii (Island News) – Warning signs have been posted after a shark was spotted in the surf lineup at Ali’i Beach in Haleiwa. On Sunday, October 13, 2024, Ocean Safety posted the ...