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单词 sipunculoid
释义 siˈpunculoid, n. and a. Zool.
[-oid.]
A. n. Any member of the group Sipunculoidea of gephyrean worms.
1857Agassiz Contrib. Nat. Hist. U.S. I. 78 The Sipunculoids appear to be more closely related to the Annulata than to the Holothurioids.1885Encycl. Brit. XIX. 430 Forming with the Brachiopoda and Sipunculoids an isolated group.
B. adj. Of or belonging to the group Sipunculoidea.
1881Nation 1 Dec. 435/1 The report on the Gephyrea, or Sipunculoid worms.1885Encycl. Brit. XIX. 431/1 The Sipunculoid Gephyræans..possessing identically this arrangement.
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