| 单词 | Archaeocidaridae | 
| 释义 | Archaeocidaridae [´ärk·ē·ǝ´sǝ`dar·ǝ´dē]  PALEONTOLOGY A family of Carboniferous echinoderms in the order Cidaroida characterized by a flexible test and more than two columns of interambulacral plates.  | 
	
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