A tidal simulation for the Late Silurian, with the colors depicting varying tidal ranges in meters for two tidal constituents. The first being the semi-diurnal (twice a day) lunar constituent (A-C ...

The climate remained warm and stable throughout most of the Silurian. The supercontinent of Gondwana was still positioned over the South Pole but the vast icecaps of the late Ordovician period ...

This is a complete catalogue of the Cambrian and Silurian fossils in the Geological Museum at the University of Cambridge. Preceded by a detailed introductory section on the Palæozoic system, the ...

particularly in the Silurian and Devonian periods (roughly 444 to 359 million years ago). "Stromatoporoids were thought to have vanished as reef-builders after the Late Devonian extinction," said ...