Paleontologists unearth 230-million-year-old mass grave of giant amphibians in WyomingThe fossil find includes at least 19 individuals of the species Buettnererpeton bakeri, which were as large as adult alligators. Paleontologists unearth 230-million-year-old mass grave of giant amphibians in Wyoming.(photo credit: Dave Lovelace, CC-BY 4.0)
