Devonian

is a geologic period and system of the Paleozoic, spanning 60 million years from the end of the Silurian, 419.2 million years ago (Mya), to the beginning of the Carboniferous, 358.9 Mya. It is named after Devon, England, where rocks from this period were first studied.

plants
the plants that occurred in the Devonian are:

Archaeopteridaceae

Equisetidae

Rhacophytales

animals
see this article→ devonian animals

and this is a list of the silurian animals that survived to devonian:


 * trilobite
 * pterygotus


 * onychodontida


 * Palaeoniscidae


 * Parexus

and this is a list of silurian animals that did not survive to devonian or evolved into other animals


 * Ainiktozoon


 * Eurypterus