spirifer

名词 n.
中文释义

英文释义

名词 n.
  1. Any of numerous species of fossil brachiopods of the genera †Spirifer and †Delthyris and allied genera in order †Spiriferida, in which the long calcareous supports of the arms form a large spiral, or helix, on each side.

词形变化

spirifers plural

词源

From Latin spira (“a coil”) + fero (“to bear”).
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