eurypterid

[jʊə'rɪptə,rɪd]
  • 广翅鲎
eurypterid
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eurypterid 广翅鲎

euro, 宽的,词源同aneurysm, Europe. -pt, 翅膀,词源同feather, compete.

eurypterid (n.)
fossil swimming crustacean of the Silurian and Devonian, 1874, from Greek eurys "broad, wide" (see eury-) + pteron "feather, wing" (see pterodactyl); so called from their swimming appendages.