Climate change helped kill off ancient ichthyosaurs
Friday, March 11, 2016 - 17:20
in Paleontology & Archaeology
For 150 million years during the age of the dinosaurs, a group of dolphin-like reptiles called ichthyosaurs ruled the ocean – until everything started to go wrong. After multiplying into about 100 known species, ichthyosaurs began to disappear from the oceans around the middle of the Cretaceous...