Cold snap: Climate cooling and sea-level changes caused crocodilian retreat
Thursday, September 24, 2015 - 08:00
in Paleontology & Archaeology
Fluctuating sea levels and global cooling caused a significant decline in the number of crocodylian species over millions of years, according to new research. Crocodylians include present-day species of crocodiles, alligators, caimans and gavials and their extinct ancestors. Crocodylians first appeared in the Late Cretaceous period, approximately 85 million years ago, and the 250 million […]