<?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>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532023000101301</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2023.94.3995</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Variación morfológica de las escamas cefálicas en Sceloporus aeneus y Sceloporus bicanthalis: diferenciación de especies por morfometría geométrica]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphological variation of the cephalic scales in Sceloporus aeneus and Sceloporus bicanthalis: species separation by geometric morphometry]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Romero]]></surname>
<given-names><![CDATA[Felipe de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galindo-Gil]]></surname>
<given-names><![CDATA[Sandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno-Barajas]]></surname>
<given-names><![CDATA[Ruth]]></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 Planeación Urbana y Regional ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>94</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532023000101301&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532023000101301&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532023000101301&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Sceloporus aeneus y Sceloporus bicanthalis son especies de reciente evolución, similares en morfología e historia de vida, pero difieren en el modo reproductor y número de escamas cantales. Sin embargo, este último carácter es altamente variable y es el único, a una escala morfológica, que se ha usado hasta la fecha para diferenciarlas. En el presente trabajo se analizó el grado de variación morfológica de las escamas cefálicas, mediante morfometría geométrica y estadística multivariada, para determinar si el uso de estos métodos permite separar con mayor precisión ambas especies. Para ello, se utilizaron fotografías digitales de S. aeneus y S. bicanthalis y se colocaron marcas en escamas de la región dorsal, ventral y lateral de la cabeza. Los resultados muestran diferencias significativas en la forma de las escamas entre ambas especies para todas las vistas, de manera que cada especie presenta un morfotipo definido en lo que respecta a la escutelación del cráneo. El análisis sugiere que ambas especies pueden ser identificadas mediante variaciones en la forma de las escamas parietal e interparietal y no por el número de escamas cantales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Sceloporus aeneus and Sceloporus bicanthalis have recently been split into different species, they are similar in morphology and life history but differ in reproductive mode and number of canthal scales. However, this last character is highly variable, but it is the only morphological character that is currently used to differentiate them. In the present work, the degree of morphological variation of the cephalic scales was analyzed, using geometric morphometry and multivariate statistics to determine if the use of these methods allows differentiating both species. Digital photographs of S. aeneus and S. bicanthalis were used and scale marks were placed on the dorsal, ventral and lateral region of the head. The results show significant differences in the shape of the scales between the 2 species. Therefore, each species presents a defined morphotype in terms of skull scutellation. The analysis suggests that both species can be more reliably identified by variations in the shape of the parietal and interparietal scales than by the number of canthal scales.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Escutelación craneal]]></kwd>
<kwd lng="es"><![CDATA[Squamata]]></kwd>
<kwd lng="es"><![CDATA[Escamas cantales]]></kwd>
<kwd lng="es"><![CDATA[Especies hermanas]]></kwd>
<kwd lng="es"><![CDATA[Alta montaña]]></kwd>
<kwd lng="en"><![CDATA[Cranial scutellation]]></kwd>
<kwd lng="en"><![CDATA[Squamata]]></kwd>
<kwd lng="en"><![CDATA[Canthal scales]]></kwd>
<kwd lng="en"><![CDATA[Sister species]]></kwd>
<kwd lng="en"><![CDATA[High mountains]]></kwd>
</kwd-group>
</article-meta>
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