A category for anything in the Devonian period
“Ammonites were large nautiloids that lived even during the age of the dinosaurs. They appear in...Cretaceous ammonite
“Tiktaalik is a tetrapodomorph "fishapod" that lived 375 million years ago, and has many features...Tiktaalik
This category has the following 9 subcategories, out of 9 total.