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blastoidea

/'blæstɔidiə/

📖 中文释义

  1. 海蕾纲
📘 English Definition（英文释义）
  1. n. pl. One of the divisions of Crinoidea found fossil in
  2. paleozoic rocks; pentremites. They are so named on account of their
  3. budlike form.
B 字母词表