Dozens of amphibians perished together on an ancient floodplain around 230 million years ago, according to a new study.

Although his research group has not yet uncovered a full skeleton, they believe the ancient amphibian belonged to a group of primitive creatures known as temnospondyls.

Essentially, the ancient, aquatic amphibians spent the rainy part of the year swimming in rivers, but when those rivers dried up, they dug head-first into the muddy riverbed.

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 ...