3.85" Eurypterus (Sea Scorpion) Fossil - New York

This is a 3.85" long specimen of the Eurypterid, Eurypterus remipes from New York. It is Upper Silurian in age from the Phelps Member of the Fiddler Green Formation.

Reconstruction of Eurypterus in life.  Creative Commons
Reconstruction of Eurypterus in life. Creative Commons

Eurypterids, commonly known as Sea Scorpions are an extinct group of arthropods that are related to arachnids and include the largest known arthropods to have ever lived. Prevalent during the Silurian and Devonian, eurypterids were segmented aquatic arthropods, with compound eyes, and two club-like "arms." Some species exhibit toothed claws, and may therefore have been predators.
Eurypterus remipes
Lang's Quarry, Herkimer County, New York
Fiddler Green Formation
3.85" long on 7.8x5.1" rock
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