Mass Grave of Giant Amphibians Unearthed in Wyoming Offers Rare Insight into Late Triassic Ecosystems

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 killed the animals

Triassic amphibians the size of alligators perished in mass die-off in Wyoming, puzzling 'bone bed' reveals

The discovery of nearly 20 alligator-size amphibians that died together during the Triassic in what is now Wyoming is providing scientists important clues about these creatures' lives.

Uncovering a Mysterious Amphibian Mass Die-Off from 230 Million Years Ago

The collection of Metoposaurid temnospondyl fossils unearthed in Wyoming tell an incomplete story.

Mass death event killed giant amphibians 230 million years ago

Researchers uncovered evidence of a mass death event that wiped out dozens of giant amphibians around 230 million years ago.

Mass mortality of giant, alligator-sized amphibians uncovered in dinosaur-age fossils

Palaeontologists have found fossil evidence that dozens of giant, alligator-sized amphibians died together about 230 million years ago.

Ancient alligator-sized amphibians died under mysterious circumstances

‘It probably spent most, if not all, of its life in the water eating… anything unfortunate enough to venture too far into the water.'