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  <titleInfo>
    <title>Amonitas del Jurásico Superior y del Cretácico Inferior del extremo oriental del Estado de Durango, México</title>
  </titleInfo>
  <name type="personal">
    <namePart>Peña Muñoz, Magdalena Josefina.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <typeOfResource>text</typeOfResource>
  <genre authority="marc">bibliography</genre>
  <originInfo>
    <place>
      <placeTerm type="code" authority="marccountry">mx</placeTerm>
    </place>
    <place>
      <placeTerm type="text">México</placeTerm>
    </place>
    <dateIssued>1964</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">spa</languageTerm>
  </language>
  <physicalDescription>
    <form authority="marcform">print</form>
    <extent>33 p. maps, 10 plates. 23 cm.</extent>
  </physicalDescription>
  <note>Bibliography: p. 32-33.</note>
  <subject authority="lcsh">
    <topic>Ammonoidea</topic>
  </subject>
  <subject authority="lcsh">
    <topic>Paleontology</topic>
    <temporal>Jurassic</temporal>
  </subject>
  <subject authority="lcsh">
    <topic>Paleontology</topic>
    <temporal>Cretaceous</temporal>
  </subject>
  <subject authority="lcsh">
    <topic>Paleontology</topic>
    <geographic>Mexico</geographic>
    <geographic>Durango (State)</geographic>
  </subject>
  <classification authority="lcc">QE749 .M45 no. 20</classification>
  <relatedItem type="series">
    <titleInfo>
      <title>no. 20</title>
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    <name type="corporate">
      <namePart>Mexico (City).</namePart>
      <namePart>Universidad Nacional.</namePart>
      <namePart>Instituto de Geología.  Paleontología mexicana ;</namePart>
      <namePart/>
    </name>
  </relatedItem>
  <identifier type="lccn">gs 65000420</identifier>
  <recordInfo>
    <recordContentSource authority="marcorg">U.S. Geol. Survey.  Libr.</recordContentSource>
    <recordCreationDate encoding="marc">771114</recordCreationDate>
    <recordChangeDate encoding="iso8601">20260227111418.0</recordChangeDate>
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