<?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>0120-548X</journal-id>
<journal-title><![CDATA[Acta Biológica Colombiana]]></journal-title>
<abbrev-journal-title><![CDATA[Acta biol.Colomb.]]></abbrev-journal-title>
<issn>0120-548X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia, Facultad de Ciencias, Departamento de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-548X2022000300458</article-id>
<article-id pub-id-type="doi">10.15446/abc.v27n3.90810</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[EL CRÁNEO DE Caiman crocodilus fuscus: VARIACIONES ALOMÉTRICAS Y ONTOGENÉTICAS]]></article-title>
<article-title xml:lang="en"><![CDATA[The skull of Caiman crocodilus fuscus: Allometric and ontogenetic shifts]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Falcón-Espitia]]></surname>
<given-names><![CDATA[Nelson]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jerez]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Colombia Facultad de Ciencias Departamento de Biología]]></institution>
<addr-line><![CDATA[Bogotá D.C]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>27</volume>
<numero>3</numero>
<fpage>458</fpage>
<lpage>463</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-548X2022000300458&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-548X2022000300458&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-548X2022000300458&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las variaciones ontogenéticas en el cráneo ofrecen información del crecimiento y la ecología trófica en Crocodilia. Por lo tanto, analizamos las variaciones ontogenéticas de la forma y elementos óseos del cráneo en C. c. fuscus. Encontramos un efecto alométrico y cambios en la forma, ya que varía de un cráneo longirostrino en las crías a uno brevirostrino en subadultos y adultos. Se observó el ensanchamiento de la base del escamoso, del cuadratoyugal, del proceso lateral del pterigoides, del proceso retroarticular del articular y el desarrollo de una cresta dorsal en el surangular. Estos cambios, probablemente estarían relacionados con variaciones en la dieta durante la ontogenia, y tienen implicaciones ecológicas que deben ser consideradas en el estudio de la evolución y conservación de estas subespecies.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Cranial ontogenetic variations offer information on growth and trophic ecology in Crocodilia. Therefore, we analyze the ontogenetic variations of the skull, examining the shape and some bones in C. c. fuscus. We found an allometric effect and shape changes, varying from a longirostrine skull in hatchlings to a brevirostrine one in subadults and adults. A thickening in the base of the squamosal, the quadratojugal, the lateral process of the pterygoids, the retroarticular process of the articular, and the development of a dorsal crest in the surangular were observed. These changes would probably be related to variations in diet during ontogeny, with implications that must be considered in the study of evolution and conservation of those subspecies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Brevirostrino]]></kwd>
<kwd lng="es"><![CDATA[Caimaninae]]></kwd>
<kwd lng="es"><![CDATA[Crocodilia]]></kwd>
<kwd lng="es"><![CDATA[Huesos craneales]]></kwd>
<kwd lng="es"><![CDATA[Morfología]]></kwd>
<kwd lng="en"><![CDATA[Brevirostrine]]></kwd>
<kwd lng="en"><![CDATA[Caimaninae]]></kwd>
<kwd lng="en"><![CDATA[Cranial bones]]></kwd>
<kwd lng="en"><![CDATA[Crocodylia]]></kwd>
<kwd lng="en"><![CDATA[Morphology]]></kwd>
</kwd-group>
</article-meta>
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