Ancient amphibians as big as alligators died in mass mortality event in Triassic Wyoming

Dozens of amphibians perished together on an ancient floodplain around 230 million years ago, according to a study published in the open-access journal PLOS One by Aaron M. Kufner of the University of Wisconsin-Madison, U.S., and colleagues.

source https://phys.org/news/2025-04-ancient-amphibians-big-alligators-died.html