By Lauren O'Keefe
Coral
Coral didn't form in the Silur ian period,but it developed and diversified.Some of these corals are still alive today,and others such as the Rugosadied in the Permian. The developement of coralallowed new species of fishto form because it formed safe havensand a background to camophlage against.The Silurian was also called the Ageof Corals.
Plant Life
Plant life in the Silurian changed drasticallyfrom the Ordovician. The Silruanwas the start of land nd vascular plants.
Geology
Laurentia was colliding with Baltica, this was closing the northen branch of the Lapetus Ocean and forming the "Old Red Sandstone" continent. The Appilation Mountains began to erode after originating in the Ordivician.
These are pictures of the world in the early Silurian ( about 430mya).