You are browsing the archive for eurypterid Archives - Georneys.
December 2, 2012
Geology Word of the Week: E is for Eurypterid
def. Eurypterid: 1. A group of extinct arthropods that were fearsome marine predators of the Paleozoic. There were over 200 different species of eurypterid, and they ranged from very small (less than 20 cm) to very large (greater than 8 feet). Because of their long tail, eurypterids are sometimes called “sea scorpions.” Indeed, they are closely related to today’s scorpions and other arachnids. One species of eurypterid, Eurypterus remipes, is the …