Cretaceous climate crisis with extreme heat and ocean anoxia led to the extinction of powerful marine predators.

The sudden heat altered oceans’ chemical composition, which affected some top aquatic reptilian predators more than some ...

Geologists have uncovered the fossil of a mosasaur, an ancient aquatic predator, in Mississippi. Often referred to as a “sea ...

Among them were pliosaurs with giant jaws, toothy crocodile-like reptiles (thalattosuchia), and sleek, fast, fish-shaped ...

So many extinction-level events happened in ancient times, it is a wonder anything survived. These the ones that killed the ...

Late Jurassic and Early Cretaceous oceans are known for enormous and fierce predators like pliosaurids with 2-meter-long jaws, toothy thalattosuchia ...

Between 252 and 66 million years ago, the ocean underwent a revolution. That's when plankton with calcium carbonate skeletons ...

The marine predator fossils represent one of the most complete plesiosaur specimens in the Perot Museum of Nature and Science ...

The highest trophic niches in Mesozoic oceans were filled by diverse marine reptiles, including ichthyosaurians, ...

The find came in the fossil-rich outcrops of northeast Mississippi, near Starkville in the Prairie Bluff Formation, according ...