1. The mesosoma contains the gills and reproductive organs of " Eurypterus ". 2. In 1984, that species, " Eurypterus remipes " was named the New York. 3. "Eurypterus " was the first recognized taxon of eurypterids and is the most common. 4. No other traces of " Eurypterus " in modern continents from Gondwana are currently known. 5. Protected within which are the branchial chambers which contain the respiratory organs of " Eurypterus ". 6. A small " Eurypterus " could achieve two and a half body lengths per second immediately. 7. Excavation of the Gilboa sea scorpion " Eurypterus remipes " as the New York state fossil. 8. The genus " Eurypterus " was described in 1825 by James Ellsworth De Kay, a zoologist. 9. Members of " Eurypterus " averaged at about in length, but the largest individual discovered was long. 10. Perhaps the best-known genus of eurypterid is " Eurypterus ", of which around 16 fossil species are known.