<?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>0065-1737</journal-id>
<journal-title><![CDATA[Acta zoológica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Zool. Mex]]></abbrev-journal-title>
<issn>0065-1737</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0065-17372022000100117</article-id>
<article-id pub-id-type="doi">10.21829/azm.2022.3812402</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Variaciones morfométricas del género Notocotylus (Digenea: Notocotylidae), parásitos de aves acuáticas (Rallidae y Anatidae) en las ciénegas de Lerma, Estado de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphometric variations of the genus Notocotylus (Digenea: Notocotylidae), parasite of waterfowl (Rallidae and Anatidae) in the Lerma marshes, Estado de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Morales]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Nava]]></surname>
<given-names><![CDATA[Petra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar Ortigoza]]></surname>
<given-names><![CDATA[Carlos Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Romero]]></surname>
<given-names><![CDATA[Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Ciencias ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Ciencias ]]></institution>
<addr-line><![CDATA[Toluca ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>38</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0065-17372022000100117&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0065-17372022000100117&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0065-17372022000100117&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El género Notocotylus es un grupo de trematodos endoparásitos cosmopolitas en ciegos intestinales de aves y algunos mamíferos. Su identificación se basa en características anatómicas, morfométricas y hospedatorias. En este estudio utilizamos morfometría tradicional y análisis de morfometría geométrica en algunas especies del género Notocotylus, que parasitan aves residentes (Rallidae) y migratorias (Anatidae) de las Ciénegas de Lerma, México. Para el análisis, formamos grupos de acuerdo con la especie, hospedero y localidad. Para el estudio de la forma se analizaron 20 puntos de referencia distribuidos en la forma del organismo y estructuras internas. Los resultados de morfometría lineal sugieren que la discriminación de grupos se basa en el ancho total, ancho ovárico, longitud total y ancho testicular de los parásitos. La morfometría geométrica muestra diferentes morfotipos en los parásitos de aves residentes y migratorias, así como un efecto en la localidad. Finalmente, la morfometría geométrica aporta resultados significativos y puede ayudar a mejorar la identificación de especies del género Notocotylus.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The genus Notocotylus is a group of cosmopolitan endoparasites trematodes hosted in the intestinal caeca of birds and some mammals. It´s identification is based on anatomical, morphometric and host characteristics. In this study we used traditional lineal morphometry and geometric morphometryc analysis in some species of Notocotylus genus, which parasitize resident (Rallidae) and migratory (Anatidae) birds of the Ciénegas de Lerma, Mexico. For analysis, we formed groups according to species, host and locality. For study of the form, 20 reference points were analyzed, distributed in the shape of the organism and internal structures. Linear morphometric results suggest that group discrimination groups is based on total width, ovarian width, total length, and testicular width of the parasites. Geometric morphometry shows different morphotypes in the parasites of resident and migratory birds, as well as, an effect of locality. Finally, geometric morphometry provides significant results and can help improve the identification of species of the Notocotylus genus.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Trematoda]]></kwd>
<kwd lng="es"><![CDATA[morfotipo]]></kwd>
<kwd lng="es"><![CDATA[endoparásitos]]></kwd>
<kwd lng="es"><![CDATA[morfometría geométrica]]></kwd>
<kwd lng="es"><![CDATA[hospederos]]></kwd>
<kwd lng="es"><![CDATA[humedal]]></kwd>
<kwd lng="en"><![CDATA[Trematoda]]></kwd>
<kwd lng="en"><![CDATA[morphotype]]></kwd>
<kwd lng="en"><![CDATA[endoparasites]]></kwd>
<kwd lng="en"><![CDATA[geometric morphometry]]></kwd>
<kwd lng="en"><![CDATA[host]]></kwd>
<kwd lng="en"><![CDATA[marshes]]></kwd>
</kwd-group>
</article-meta>
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