| eurypterid | (n) large extinct scorpion-like arthropod considered related to horseshoe crabs |
| eurypterida | (n) extinct aquatic arthropods of the Paleozoic, Syn. order Eurypterida |
| 海蠍 | [うみさそり;ウミサソリ, umisasori ; umisasori] (n) (uk) eurypterid [Add to Longdo] |