Two Eurypterus (Sea Scorpion) Fossils - New York

This is a pair of Eurypterid (Eurypterus remipes) fossils from Lang's Quarry in Herkimer County, New York. Both specimens are mostly complete, just missing their tail spines. Each is 1.8" long. There are a few body segments of a larger individual also present on the rock.

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

Eurypterids, commonly known as sea Ssorpions, are an extinct group of arthropods related to arachnids that 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.

Did you know that a Eerypterid, Eurypterus remipes, is the state fossil of New York?
Eurypterus remipes
Lang's Quarry, Herkimer County, New York
Fiddler Green Formation, Phelps Member
Both about 1.8", Rock 5.4 x 4.6"
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