- Lake Témiscamingue Fossil Centre: The Earth Before the Dinosaurs
 - Focusing on the Ordovician-Silurian period, from 505 to 400 million years ago. - Mohawk Valley Fossils
- Examines the sediments that were deposited during the Middle to Late Ordovician Period in the ocean that was then at the present site of the Mohawk River Valley of New York.
- Ordovician
- Known for the presence of its diverse marine invertebrates, including graptolites, trilobites, brachiopods, and the conodonts (early vertebrates).
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