Latest articles by Julio Lacerda

Two species of early mammals show transitional features of the teeth and jaw bones that came to define living mammals. Both fossils help further our understanding of members of the mammalian lineage in the Late Triassic.

Of the five mass extinction events on Earth, the one 252 million years ago during the Permian Period was the most devastating. The Permian mass extinction, or “Great Dying,” killed 9 out of every 10 species on the planet and its effects are still seen today.

Pterosaurs, or flying reptiles, came in all shapes and sizes. Some were as big as a single engine Cessna while some others were as small as sparrows. And one of the cutest of all flying reptiles was the big-eyed Anurognathus.