| 单词 | Eocrinoidea | 
| 释义 | Eocrinoidea [´ē·ō·krǝ`nȯid·ē·ǝ]  PALEONTOLOGY A class of extinct echinoderms in the subphylum Crinozoa that had biserial brachioles like those of cystoids combined with a theca like that of crinoids.  | 
	
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