3 min read Continents were on the move in the Cretaceous, busy remodeling the shape and tone of life on Earth ... long-necked and toothy marine reptiles terrorized fish, ammonites, and mollusks ...

Paleontologists analyzed the photo and determined that the remains were an undocumented Cretaceous species ... providing crevices for marine life to thrive, and which absorb some of the impact ...

However, the Cretaceous–Paleogene ... became completely devoid of animal life. The eventual tropical dead zone impacted the distributions of both marine and terrestrial organisms throughout ...

Amanda has a master's in marine science from Moss Landing Marine Laboratories ... it triggered a cascade of events that caused the death of three quarters of all life on Earth. Such is the conclusion ...

The oceans also teemed with life, including some monstrous ... deep into one intriguing ecosystem from the early Cretaceous, where bus-length marine reptiles like pliosaurs preyed on other large ...

The plant life of the Cretaceous was quite different to that of today ... In the seas, there were mosasaurs, which are big marine reptiles, and there were groups of plesiosaurs and ichthyosaurs,' ...

A study by McGill University on a Cretaceous marine ecosystem reveals that the predators at the top of the food chain 130 million years ago exerted a dominance unmatched by modern species. The study, ...

An international team of scientists has synchronized key climate records from the Atlantic and Pacific Oceans to unravel the sequence of events during the last million years before the extinction of ...