The Ohio History Center in Columbus, Ohio has displays of fossils from the Silurian and Devonian Periods.
The Silurian Period spanned from 443.8 million years ago and 419.2 million years ago.
The Devonian Period spanned from 419.2 million years ago and 358.9 million years ago. It is sometimes called “the Age of the Fishes”
Paleontology 101: The Precambrian--Life Begins (Photo Diary)
Paleontology 101: The Paleozoic (Photo Diary)
Paleontology 101: The Mesozoic--The Age of Dinosaurs (Photo Diary)
Paleontology 101: Some Fossils in OMSI (Photo Diary)
Paleontology 101: The Fossil Gallery in the Rice Museum (Photo Diary)
Paleontology 101: Ammonites and Crinoids (Photo Diary)
Paleontology 101: Precambrian and Paleozoic Montana (museum tour)
Paleontology 101: Fossils in the Wenatchee Valley Museum (photo diary)