| 单词 | eurypterid |
| 释义 | eurypterid /yoo rip"teuh rid, yeuh-/, n. any aquatic arthropod of the extinct order Eurypterida, from the Paleozoic Era, closely related to trilobites and scorpions. [1870-75; < NL Eurypteridae. See EURY-, -PTEROUS, -ID2] |
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