extinctions

The Triassic is old. This book is new. That is a hard to beat combination. Let's see ... The Triassic is about here: (You can also look it up in this PDF file supplied by the USGS. It is situated between two major extinction events, and is especially interesting because it is during this period that modern day ecological systems and major animal groups took a recognizable form. The preceding Permian, if contrasted with modern day, would form a very stark contrast while the Triassic would be at least somewhat more recognizable. But of course the Triassic was in many ways distinct,…