Eurypterid Collection

Eurypterus, a fossil eurypterid
The paddles used for swimming are very conspicuous in the Silurian eurypterid Eurypterus from New York State. This individual measures 12 cm in length

Eurypterus is an extinct genus of eurypterid, a group of organisms commonly called "sea scorpions"
Illustration of a Eurypterus is an extinct genus of eurypterid, a group of organisms commonly called " sea scorpions"

Pterygotus, pre-historic sea scorpion

Eurypterus tetragonophthalmus, Silurian of Europe

Pterygotus sea scorpion from the Paleozoic Era
Pterygotus was a predatory sea scorpion that lived all over the world from the Silurian to Devonian Eras

Eurypterius lacustris, sea scorpion
This Devonian sea scorpion is preserved in fine siltstone and is from Canada. These predatory aquatic arthropods had a segemented, body large eyes and strong claws

Pterygotus anglicus, giant water scorpion

Fossil sea scorpion or Eurypterid
Fossil sea scorpion or eurypterid in a mudstone deposit. Sea scorpions are an extinct group of arthropods which lived from the Ordovician to the Permian periods (500 to 225 million years ago)

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Discover the ancient mysteries of the sea with the fascinating Eurypterid family. These extinct marine creatures, also known as sea scorpions, include iconic fossils like Eurypterus tetragonophthalmus from the Silurian period in Europe, and the colossal Pterygotus anglicus from the Paleozoic Era. With their distinctive elongated bodies, pincer-like limbs, and large, piercing eyes, these pre-historic predators ruled the oceans for over 200 million years. Join us as we delve deeper into the captivating world of Eurypterus and its enigmatic relatives, the Pterygotus sea scorpions.