<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1405-3322</journal-id>
<journal-title><![CDATA[Boletín de la Sociedad Geológica Mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. Soc. Geol. Mex]]></abbrev-journal-title>
<issn>1405-3322</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Geológica Mexicana A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-33222016000100105</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Late Paleocene Cancellariidae (Gastropoda: Neogastropoda) from Baja California, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Cancellariidae (Gastropoda: Neogastropoda) del Paleoceno tardío de Baja California, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Perrilliat]]></surname>
<given-names><![CDATA[María del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cristín]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geología ]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geología Posgrado en Ciencias de la Tierra]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2016</year>
</pub-date>
<volume>68</volume>
<numero>1</numero>
<fpage>105</fpage>
<lpage>109</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-33222016000100105&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-33222016000100105&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-33222016000100105&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Four gastropod species including two new ones, belonging to the family Cancellariidae, of the genus Cancellaria , are described and illustrated for the late Paleocene Sepultura Formation in Baja California, northwestern Mexico. The new species Cancellaria bajaensis and Cancellaria paleocenica are established from well preserved specimens.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Se describen e ilustran cuatro especies de canceláridos del género Cancellaria del Paleoceno tardío, provenientes de la Formación Sepultura en la región noroeste de Baja California. Dos especies nuevas, Cancellaria bajaensis y Cancellaria paleocenica, se describen con base en especímenes bien conservados.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[cancellariid gastropods]]></kwd>
<kwd lng="en"><![CDATA[late Paleocene]]></kwd>
<kwd lng="en"><![CDATA[Baja California]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
<kwd lng="es"><![CDATA[canceláridos]]></kwd>
<kwd lng="es"><![CDATA[Paleoceno tardío]]></kwd>
<kwd lng="es"><![CDATA[Baja California]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
</kwd-group>
</article-meta>
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