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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 Spirifer
 石燕貝屬

From: Webster's Revised Unabridged Dictionary (1913)

 Spi·ri·fer n.  Paleon. Any one of numerous species of fossil brachipods of the genus Spirifer, or Delthyris, and allied genera, in which the long calcareous supports of the arms form a large spiral, or helix, on each side.
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