Two hundred and thirty million years ago, in what’s now Wyoming, the seasons were dramatic. Torrential rain would pelt the region for months on end, and when the mega-monsoon ended, the region became extremely dry. This weather would have been challenging for amphibians that need to keep their skin moist, but one group of salamander-like creatures found a solution, as evidenced by their bizarre fossils.
Fossil amphibians found in burrows where they waited for the next rainy season
