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[会议论文] 作者:MAOYingyan[1]LINJih-Pai[2]LIXiangfeng[1], 来源:The First Joint Scientific Meeting of Geological Society of 年份:2013
  Petalocrinidae is a specialized group of Palaeozoic crinoids.It has a relatively short geological range,only occurs in the Silurian strata in Asia,Europe an...
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