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The Dinosaurs and Prehistoric Animals of New Hampshire

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Geologically speaking, New Hampshire has the fewest fossils of any state in the U.S.--but its ancient sediments do contain traces of some marine organisms, as listed below. (See an interactive map of dinosaurs and prehistoric animals in the United States.)

1. Brachiopods

brachiopod
Wikimedia Commons
The only extant fossils in New Hampshire date from the Devonian, Ordovician and Silurian periods, from about 400 to 300 million years ago. Brachiopods--small, shelled, ocean-dwelling creatures closely related to modern bivalves--were especially common in this state.

2. Corals

coral
Fossil Museum
Many people are unaware that corals are actually small, marine, colony-dwelling animals, and not plants. Hundreds of millions of years ago, prehistoric corals were common across the breadth of North America; some particularly striking fossil specimens have been discovered in New Hampshire.

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