Britain lay south of the equator and had a cool climate. Seas covered Britain and there was dramatic volcanic activity as the ocean separating England and Wales from Scotland started to close.
Britain lay south of the equator with a tropical to sub-tropical climate. A sea covered Britain that was shallower in the south (limestones) and deeper in the north (sandstones and mudstones). Silurian fossils include corals, brachiopods, trilobites and graptolites.
*Based on The Geologic Time Scale 2012 by F M Gradstein, J G Ogg, M Schmitz and G Ogg (2012), with additions.