What is another word for Silurian Period?
Pronunciation: [sɪlˈʊ͡əɹi͡ən pˈi͡əɹɪəd] (IPA) 
The Silurian Period is a geological time period that occurred approximately 443.8 to 419.2 million years ago. It was named after the Silures, an ancient Celtic tribe that lived in Wales where the period's rocks were first identified. Synonyms for the Silurian Period include the Silurian epoch, Silurian age, and Silurian era. During this time, there was a diversification of fish, the emergence of early vascular plants, and the first appearance of land-dwelling animals. The Silurian Period ended with a mass-extinction event that wiped out approximately 85% of marine species, paving the way for the subsequent Devonian Period.
