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The Dinosaurs and Prehistoric Animals of West Virginia

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Although no dinosaurs have been discovered in West Virginia, this state is well-known for its prehistoric amphibians and invertebrates, as listed below. (See an interactive map of dinosaurs and prehistoric animals in the United States.)

1. Diploceraspis

diploceraspis
Dmitri Bogdanov
A close relative of the similarly named Diplocaulus, Diploceraspis was an odd-looking amphibian of the Permian period, characterized by its oversized, boomerang-shaped head (which probably kept it from being swallowed whole by predators). Specimens of Diploceraspis have been discovered in both West Virginia and neighboring Ohio. More about prehistoric amphibians

2. Greererpeton

greererpeton
Dmitri Bogdanov
Greererpeton occupies an odd position between the earliest tetrapods (lobe-finned fish that climbed onto land) and the first true amphibians. This middle Carboniferous creature spent all of its time in the water, leading some paleontologists to conclude that it "de-evolved" from its amphibian ancestors back in the tetrapod direction! More about tetrapods

3. Proterogyrinus

proterogyrinus
Dmitri Bogdanov
The three-foot-long Proterogyrinus was the apex predator of late Carboniferous West Virginia, when North America was just beginning to be populated by air-breathing amphibians. This wriggly critter retained some evolutionary traces of its tetrapod ancestors, most notably its broad, fish-like tail, which was nearly as long as the rest of its body.

4. Lithostrotionella

lithostrotionella
Fossil Museum
Oddly enough, Lithostrotionella is the official state gemstone of West Virginia, even though it wasn't a mineral, but a prehistoric coral that lived about 340 million years ago (when much of eastern North America was submerged under water). Corals are colonial, marine-dwelling animals, and not plants, as many people mistakenly believe.
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