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Title
Eurypterids Gathering on a Silurian Seafloor #313966874
Description
An illustration of Eurypterids gathering on a seafloor. Eurypterids are related to arachnids and include the largest known arthropods to have ever lived. They were formidable predators that thrived in warm shallow water, in both seas and lakes, from the mid Ordovician to late Permian (460 to 248 million years ago