Deep within Mammoth Cave, the world’s longest cave system, paleontologists have uncovered the remains of a never-before-seen ...

This time period took place 359 to 299 million years ago. 3 min read The Carboniferous period, part of the late Paleozoic era, takes its name from large underground coal deposits that date to it.

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

In the oxygen-rich air of the Carboniferous period, between roughly 300 million and 360 million years ago, some animals ...

Finding any fossil, let alone fossilized remains that are hundreds of millions of years old, always gives a glimpse into the ...

type and figured material of George Jennings Hinde (1879), which represents our oldest conodont collection material from Alan Higgins, published in the 1960s type and figured material from the ...