Duration: 3 hours
There are many reptiles that have adapted to a marine lifestyle. The earliest of these occurred during the Paleozoic era almost 300 million years ago. Many of these species became extinct at the end of the cretaceous period. Some extant species remain including sea snakes, sea turtles, crocodilians and sea iguanas. Learn more about their biology and distribution with this course.
Please note: Course notes are provided in PDF format for your convenience and can be downloaded to print or view on your device.