Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.

Scientists divide the Mesozoic Era into three periods: the Triassic ... This meant that differences between animals or plants found in different areas were minor. The Triassic climate was relatively ...

3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in ... of the food chain was filled with microscopic plants called phytoplankton; two of the major groups ...

The family level of plants may be more diverse than animals, so that's why you don't get the massive losses of these big groups, because some element of them finds a way to survive extinction.' When ...