Smithsonian Magazine4d
Enormous, Crocodile-Sized Amphibians Mysteriously Died Together in Wyoming 230 Million Years Ago
Paleontologists found a group of four-legged Triassic creatures preserved in the same bone bed—but they don’t know what ...
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 ...