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The Devonian World (Old Red Sandstone (Orogeny followed by erosion (i.e.…
The Devonian World (Old Red Sandstone, Placoderms, Paleozoic Fauna , Jaw Evolution, Modern Fish Groups, Osteichthyan 3 Groups, Bearsden 326-313 Myr, Modern Fauna, Hugh Miller 1802-1856, Devonian
419-359 Myr)