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General Information

  • Title: Ordovician trilobites of the family Telephidae and concerned stratigraphic correlations; Article 21
  • Author(s): Ulrich, E.O.
  • Publishing Organization: U.S. National Museum
  • Series and Number: Proceedings v. 76 [101 p.]
  • Publication Date: 1930
  • Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.