Definitions for

Overview of noun silurian

The noun silurian has 1 senses? (no senses from tagged texts)
1. Silurian, Silurian period

(from 425 million to 405 million years ago; first air-breathing animals) © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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