The Silurian is a geologic period and system spanning 23.5 million years from the end of the Ordovician Period, at 443.1 Ma to the beginning of the Devonian Period, 419.62 Ma. The Silurian is the thir
Ordovician-Silurian boundary on Hovedøya, Norway, showing brownish late Ordovician mudstone and later dark deep-water Silurian shale. The layers have been overturned by the Caledonian orogeny.
Fossils of the late Silurian sea bed, England
Diorama of a Silurian seafloor
Cooksonia, the earliest vascular plant, middle Silurian
Pneumodesmus newmani is a species of myriapod. It is originally considered that it lived during the late Wenlock epoch of the Silurian period around 428 million years ago. However, a 2017 study dates
Pneumodesmus newmani MUSE