<?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>S1405-33222019000200343</article-id>
<article-id pub-id-type="doi">10.18268/bsgm2019v71n2a7</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Paleoambiente en cuatro sitios mexicanos del Pleistoceno tardío con actividad humana inferidos a partir de la fauna]]></article-title>
<article-title xml:lang="en"><![CDATA[Paleoenvironment in four Mexican sites of the late Pleistocene with human activity inferred from their fauna]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Crespo]]></surname>
<given-names><![CDATA[Víctor Adrián]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Puente]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[Joaquín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ochoa-Castillo]]></surname>
<given-names><![CDATA[Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,vapc79@gmail.com  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geología ]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Antropología e Historia Subdirección de Laboratorios y Apoyo Académico Laboratorio de Arqueozoología &#8216;M. en C. Ticul Álvarez Solórzano&#8217;]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Nacional de Antropología e Historia Museo Nacional de Antropología Subdirección de Arqueología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>71</volume>
<numero>2</numero>
<fpage>343</fpage>
<lpage>358</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-33222019000200343&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-33222019000200343&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-33222019000200343&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El ambiente que existió en cuatro sitios mexicanos del Pleistoceno tardío, con presencia humana, fue inferido a partir de las relaciones isotópicas de carbono y oxígeno presentes en el esmalte de los herbívoros que habitaron estos sitios y que fueron obtenidos de estudios previos. Los análisis indican la presencia de bosques con pastizales en los sitios Fin del Mundo, Rancho La Amapola y Valsequillo, mientras que Tocuila contaba con pastizales y condiciones más húmedas que las actuales. En los cuatros sitios, estos ambientes favorecieron la coexistencia de diversas especies de herbívoros y permitieron el establecimiento de los primeros pobladores de México.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The environment of four late Pleistocene Mexican sites, with human presence, was inferred using carbon and oxygen stable isotope relationships from herbivores enamel, which lived at those sites and was obtained from previous studies. Those analyses showed the presence of forest with grasslands at the sites Fin del Mundo, Rancho La Amapola, and Valsequillo, while Tocuila had grasslands and more humid environmental conditions than at present. At the four localities, these environments favored the coexistence of several herbivorous species and allowed the establishment of the first people in Mexico.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Paleoambiente]]></kwd>
<kwd lng="es"><![CDATA[primeros pobladores]]></kwd>
<kwd lng="es"><![CDATA[Pleistoceno tardío]]></kwd>
<kwd lng="es"><![CDATA[isotopos estables]]></kwd>
<kwd lng="en"><![CDATA[Paleoenvironment]]></kwd>
<kwd lng="en"><![CDATA[early settlers]]></kwd>
<kwd lng="en"><![CDATA[late Pleistocene]]></kwd>
<kwd lng="en"><![CDATA[stable isotopes]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Ocaña]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Restos de mamífero]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mirambell]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rancho &#8220;La Amapola&#8221;, Cedral. Un sitio arqueológico-paleontológico pleistocénico-holocénico con restos de actividad humana]]></source>
<year>2012</year>
<page-range>147-94</page-range><publisher-loc><![CDATA[México D.F. ]]></publisher-loc>
<publisher-name><![CDATA[INAH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ambrose]]></surname>
<given-names><![CDATA[S.H.]]></given-names>
</name>
<name>
<surname><![CDATA[DeNiro]]></surname>
<given-names><![CDATA[M.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The isotopic ecology of East African mammals]]></article-title>
<source><![CDATA[Oecologia]]></source>
<year>1986</year>
<volume>69</volume>
<page-range>395-406</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[de la Barrera]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes-García]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Ricalde]]></surname>
<given-names><![CDATA[M.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas-Soto]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Cervera]]></surname>
<given-names><![CDATA[C.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El metabolismo ácido de las crasuláceas: diversidad, fisiología ambiental y productividad]]></article-title>
<source><![CDATA[Boletín de la Sociedad Botánica de México]]></source>
<year>2007</year>
<volume>87</volume>
<page-range>37-50</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Polaco]]></surname>
<given-names><![CDATA[O.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrusquía-Villafranca]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A perspective on mammalian biodiversity and zoogeography in the Late Pleistocene of México]]></article-title>
<source><![CDATA[Quaternary International]]></source>
<year>2010</year>
<volume>212</volume>
<page-range>187-97</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Asevedo]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Winck]]></surname>
<given-names><![CDATA[G.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Mothe]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Avilla]]></surname>
<given-names><![CDATA[L.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ancient diet of the Pleistocene gomphothere Niomastodon platensis (Mammalian: Proboscidea, Gomphotheriidae) from lowland mid-latitudes of South America: Stereomicrowear and tooth calculus analyses combined]]></article-title>
<source><![CDATA[Quaternary International]]></source>
<year>2012</year>
<volume>255</volume>
<page-range>42-52</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barrón-Ortíz]]></surname>
<given-names><![CDATA[C.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Theodor]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dietary resource partitioning in the late Pleistocene horses from Cedral, north-central Mexico: evidence from the study of dental wear]]></article-title>
<source><![CDATA[Revista Mexicana de Ciencias Geológicas]]></source>
<year>2014</year>
<volume>31</volume>
<page-range>260-9</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caballero]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lozano-García]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez-Selem]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evidencias de cambio climático y ambiental en registros glaciales y en cuencas lacustres del Centro de México durante el último máximo glacial]]></article-title>
<source><![CDATA[Boletín de la Sociedad Geológica Mexicana]]></source>
<year>2010</year>
<volume>62</volume>
<page-range>359-77</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Casar]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Puente]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Cienfuegos]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Manzanilla]]></surname>
<given-names><![CDATA[L.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Paleodiet Reconstruction based on Carbon and Nitrogen Isotopes of Teeth from Burial in Teopancazco]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Manzanilla]]></surname>
<given-names><![CDATA[L.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Multiethnicity and Migration at Teopancazco. Investigations of a Teotihuacán Neighborhood Center]]></source>
<year>2017</year>
<page-range>84-118</page-range><publisher-loc><![CDATA[Gainesville, Florida, USA ]]></publisher-loc>
<publisher-name><![CDATA[University Press of Florida]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El oxígeno-18 en las aguas meteóricas de México]]></article-title>
<source><![CDATA[Revista Mexicana de Física]]></source>
<year>1985</year>
<volume>31</volume>
<page-range>637-47</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cerling]]></surname>
<given-names><![CDATA[T.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Paleorecords of C4 plants and ecosystems]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Sage]]></surname>
<given-names><![CDATA[R.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Monson]]></surname>
<given-names><![CDATA[R.K.]]></given-names>
</name>
</person-group>
<source><![CDATA[C4 plant biology]]></source>
<year>1999</year>
<page-range>445-69</page-range><publisher-loc><![CDATA[San Diego, USA ]]></publisher-loc>
<publisher-name><![CDATA[Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cerling]]></surname>
<given-names><![CDATA[T.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ehleringer]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Welcome to the C4 world]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Gastaldo]]></surname>
<given-names><![CDATA[R.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dimechele]]></surname>
<given-names><![CDATA[W.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phanerozoic terrestrial ecosystems]]></source>
<year>2000</year>
<page-range>273-86</page-range><publisher-loc><![CDATA[USA ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chatters]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rissolo]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Luna-Erreguerena]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Proyecto Hoyo Negro: Estudio de una humana del Pleistoceno tardío y fauna extinta de Hoyo Negro, Quintana Roo, México]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[L.J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Serrano]]></surname>
<given-names><![CDATA[S.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[A.F.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[El poblamiento temprano en América 7 Serie, Prehistoria en América]]></source>
<year>2016</year>
<page-range>49-69</page-range><publisher-loc><![CDATA[Ciudad de México ]]></publisher-loc>
<publisher-name><![CDATA[Museo del Desierto, México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Corona-M.]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las aves fósiles]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mirambell]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rancho &#8220;La Amapola&#8221;, Cedral. Un sitio arqueológico-paleontológico pleistocénico-holocénico con restos de actividad humana]]></source>
<year>2012</year>
<page-range>207-23</page-range><publisher-loc><![CDATA[México D.F. ]]></publisher-loc>
<publisher-name><![CDATA[INAH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cruz-y-Cruz]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Crespo]]></surname>
<given-names><![CDATA[V.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Puente]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Sedov]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tovar-Liceaga]]></surname>
<given-names><![CDATA[R.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas-Mata]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Miranda]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Paleosol (organic matter and pedogenic carbonates) and paleontological &#948;13C records applied to the paleoecology of Late Pleistocene -Holocene in Mexico]]></article-title>
<source><![CDATA[Quaternary International]]></source>
<year>2016</year>
<volume>418</volume>
<page-range>147-64</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cruz-Muñoz]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Graham]]></surname>
<given-names><![CDATA[R.W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rodents and lagomorphs (Mammalian) from the Late-Pleistocene deposits at Valsequillo, Puebla, México]]></article-title>
<source><![CDATA[Current Research in the Pleistocene]]></source>
<year>2009</year>
<volume>26</volume>
<page-range>147-9</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dansgaard]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stable isotopes in precipitation]]></article-title>
<source><![CDATA[Tellus]]></source>
<year>1964</year>
<volume>16</volume>
<page-range>436-68</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DeSantis]]></surname>
<given-names><![CDATA[L.R.G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stable isotope ecology of extant tapirs from the Americas]]></article-title>
<source><![CDATA[Biotropica]]></source>
<year>2011</year>
<volume>43</volume>
<page-range>746-54</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Drucker]]></surname>
<given-names><![CDATA[D.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Bocherens]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Carbon stable isotopes of mammal bone as tracer of canopy development and habitat use in temperate and boreal contexts]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Creigthon]]></surname>
<given-names><![CDATA[J.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Roney]]></surname>
<given-names><![CDATA[P.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Forests canopies: Forest production, ecosystem health, and climate conditions]]></source>
<year>2009</year>
<page-range>2-8</page-range><publisher-loc><![CDATA[New York., USA ]]></publisher-loc>
<publisher-name><![CDATA[Nova Science Publisher Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ehleringer]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Monson]]></surname>
<given-names><![CDATA[R.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evolutionary and ecological aspects of photosynthetic pathway variation]]></article-title>
<source><![CDATA[Annual Review of Ecology and Systematics]]></source>
<year>1993</year>
<volume>24</volume>
<page-range>411-39</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Feranec]]></surname>
<given-names><![CDATA[R.S.]]></given-names>
</name>
<name>
<surname><![CDATA[MacFadden]]></surname>
<given-names><![CDATA[B.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isotopic discrimination of resource partitioning among ungulates in C3-dominated communities from the Miocene of Florida and California]]></article-title>
<source><![CDATA[Paleobiology]]></source>
<year>2006</year>
<volume>32</volume>
<page-range>191-205</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[D.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cambios paleoclimáticos durante el Pleistoceno-Holoceno en un área semidesértica, Cedral]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mirambell]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rancho &#8220;La Amapola&#8221;, Cedral. Un sitio arqueológico-paleontológico pleistocénico-holocénico con restos de actividad humana]]></source>
<year>2012</year>
<page-range>87-146</page-range><publisher-loc><![CDATA[México D.F. ]]></publisher-loc>
<publisher-name><![CDATA[INAH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Garrison]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Techniques in Archaeological Geology]]></source>
<year>2016</year>
<page-range>345</page-range><publisher-loc><![CDATA[USA ]]></publisher-loc>
<publisher-name><![CDATA[Springer International Publishing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grayson]]></surname>
<given-names><![CDATA[D.K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A critical view of the use of archaelogical vertebrates in paleoenvironmental reconstruction]]></article-title>
<source><![CDATA[Journal of Ethnobiology]]></source>
<year>1981</year>
<volume>1</volume>
<page-range>28-38</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gröcker]]></surname>
<given-names><![CDATA[D.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stable-isotopic studies on the collagenic and hydroxylapatite components of fossils: Palaeoecological implications]]></article-title>
<source><![CDATA[Lethaia]]></source>
<year>1997</year>
<volume>30</volume>
<page-range>65-78</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Harris]]></surname>
<given-names><![CDATA[J.M]]></given-names>
</name>
<name>
<surname><![CDATA[Cerling]]></surname>
<given-names><![CDATA[T.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dietary adaptions of extent and Neogen African suids]]></article-title>
<source><![CDATA[Journal of Zoology]]></source>
<year>2002</year>
<volume>256</volume>
<page-range>45-64</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hart]]></surname>
<given-names><![CDATA[T.C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Issues and directions in phytolith analysis]]></article-title>
<source><![CDATA[Journal of Archaeological Science]]></source>
<year>2016</year>
<volume>68</volume>
<page-range>24-31</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haynes]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Firts-contact megafaunal extinctions in the Americas at the end of Pleistocene]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Jiménez-López]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Polaco]]></surname>
<given-names><![CDATA[O.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Sosa]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández-Flores]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[2o Simposio Internacional el Hombre Temprano en América]]></source>
<year>2006</year>
<page-range>91-106</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Antropología e Historia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hoppe]]></surname>
<given-names><![CDATA[K.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Amundson]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Vavra]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[McClaran]]></surname>
<given-names><![CDATA[M.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[D.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isotopic analysis of tooth enamel carbonate from modern North American feral horses: implications for paleoenvironmental reconstructions]]></article-title>
<source><![CDATA[Palaeogeography, Palaeoclimatology, Palaeoecology]]></source>
<year>2004</year>
<volume>203</volume>
<page-range>299-311</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Johnson]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Polaco]]></surname>
<given-names><![CDATA[O.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Climate, environment, and game animal resources of the Late Pleistocene Mexican grassland]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[L.J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Pompa y Padilla]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz]]></surname>
<given-names><![CDATA[P.F.]]></given-names>
</name>
</person-group>
<source><![CDATA[El hombre temprano en América y sus implicaciones en el poblamiento de la Cuenca de México Primer simposio internacional]]></source>
<year>2006</year>
<page-range>231-45</page-range><publisher-loc><![CDATA[México, D.F. ]]></publisher-loc>
<publisher-name><![CDATA[INAH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Koch]]></surname>
<given-names><![CDATA[P.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Isotopic reconstruction of past continental environments]]></article-title>
<source><![CDATA[Annual Review Earth Planetary Science]]></source>
<year>1998</year>
<volume>26</volume>
<page-range>573-613</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lee-Throp]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sponheimer]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Homin Paleodiets. The Contribution of Stable Isotopes]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Henke]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Tattersall]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Handbook fo Paleoanthropology. Volumen III. Phylogeny of Hominids]]></source>
<year>2007</year>
<page-range>289-310</page-range><publisher-loc><![CDATA[New York, USA ]]></publisher-loc>
<publisher-name><![CDATA[Springer International Publishing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lyman]]></surname>
<given-names><![CDATA[R.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Paleoenvironmental reconstruction from Faunal Remains: Ecological Basics and Analytical Assumptions]]></article-title>
<source><![CDATA[Journal of Archaeological Research]]></source>
<year>2017</year>
<page-range>315-71</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lyons]]></surname>
<given-names><![CDATA[S.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[F.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[J.H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Of mice, mastodons and men: human-mediated extinctions on four continents]]></article-title>
<source><![CDATA[Evolutionary Ecology Research]]></source>
<year>2004</year>
<volume>6</volume>
<page-range>339-58</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[MacFadden]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Cerling]]></surname>
<given-names><![CDATA[T.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mammalian herbivore communities, ancient feeding ecology, and carbon isotopes: a 10 million-year sequence from the Neogene of Florida]]></article-title>
<source><![CDATA[Journal of Vertebrate Paleontology]]></source>
<year>1996</year>
<volume>16</volume>
<page-range>103-15</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Marín-Leyva]]></surname>
<given-names><![CDATA[A.H.]]></given-names>
</name>
<name>
<surname><![CDATA[DeMiguel]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[García-Zepeda]]></surname>
<given-names><![CDATA[M.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ponce-Saavedra]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Schaaf]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Alberdi]]></surname>
<given-names><![CDATA[M.T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dietary adaptability of Late Pleistocene Equus from West Central Mexico]]></article-title>
<source><![CDATA[Palaeogeography, Palaeoclimatology, Palaeoecology]]></source>
<year>2015</year>
<volume>441</volume>
<page-range>748-57</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prehistoric overkiller: The Global Model]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Klein]]></surname>
<given-names><![CDATA[R.G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Quaternary extinctions: A Prehistoric revolution]]></source>
<year>1984</year>
<page-range>354-403</page-range><publisher-loc><![CDATA[Tucson, USA ]]></publisher-loc>
<publisher-name><![CDATA[University of Arizona Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[P.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Steadman]]></surname>
<given-names><![CDATA[D.W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prehistoric Extinctions on Islands and Continents]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[MacPhee]]></surname>
<given-names><![CDATA[R.D.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Extinctions in Near Time]]></source>
<year>1999</year>
<page-range>17-93</page-range><publisher-loc><![CDATA[New York, USA ]]></publisher-loc>
<publisher-name><![CDATA[Kluwer Academic]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Medrano]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Flexas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fotorrespiración y mecanismos de concentración del dióxido de carbono]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Azcón-Bieto]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Talón]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fundamentos de Fisiología Vegetal]]></source>
<year>2000</year>
<page-range>187-201</page-range><publisher-loc><![CDATA[Madrid, España ]]></publisher-loc>
<publisher-name><![CDATA[McGraw-Hill Interamericana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Metcalfe]]></surname>
<given-names><![CDATA[J.Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Proboscideans isotopic compositions provide insight into ancient humans and their environments]]></article-title>
<source><![CDATA[Quaternary International]]></source>
<year>2017</year>
<volume>433</volume>
<page-range>147-59</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mirambell]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las excavaciones]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mirambell]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rancho &#8220;La Amapola&#8221;. Cedral. Un sitio arqueológico-paleontológico pleistocénico-holocénico con restos de actividad humana]]></source>
<year>2012</year>
<page-range>31-69</page-range><publisher-loc><![CDATA[México, D.F. ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Antropología e Historia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morales-Puente]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Casar]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Cienfuegos]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Manzanilla]]></surname>
<given-names><![CDATA[L.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Geographic Origins and Migration Histories of the Teopancazco Population]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Manzanilla]]></surname>
<given-names><![CDATA[L.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Multiethnicity and Migration at Teopancazco. Investigations of a Teotihuacán Neighborhood Center]]></source>
<year>2017</year>
<page-range>119-42</page-range><publisher-loc><![CDATA[Gainesville, Florida, USA ]]></publisher-loc>
<publisher-name><![CDATA[University Press of Florida]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morett-A.]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Polaco]]></surname>
<given-names><![CDATA[O.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tocuila, a Remarkable Mammoth Site in the Basin of Mexico]]></article-title>
<source><![CDATA[Current Research in the Pleistocene]]></source>
<year>1998</year>
<volume>15</volume>
<page-range>118-20</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neumann]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Chevalier]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vrydaghs]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Phytoliths in Archaeology: recent advances]]></article-title>
<source><![CDATA[Vegetation History and Archaeobotany]]></source>
<year>2017</year>
<volume>26</volume>
<page-range>1-3</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ochoa-Castillo]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Campa]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martín del Pozzo]]></surname>
<given-names><![CDATA[A.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[New excavations in Valsequillo, Puebla, México]]></article-title>
<source><![CDATA[Current Research in the Pleistocene]]></source>
<year>2003</year>
<volume>20</volume>
<page-range>61-2</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[O&#8217;Leary]]></surname>
<given-names><![CDATA[M.H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Carbon isotope fractionation in plants]]></article-title>
<source><![CDATA[Phytochemistry]]></source>
<year>1981</year>
<volume>2</volume>
<page-range>553-67</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Olivera-Carrasco]]></surname>
<given-names><![CDATA[M.T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Moluscos continentales de Cedral, un sitio del Pleistoceno final de México]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mirambell]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rancho &#8220;La Amapola&#8221;, Cedral. Un sitio arqueológico-paleontológico pleistocénico-holocénico con restos de actividad humana]]></source>
<year>2012</year>
<page-range>225-83</page-range><publisher-loc><![CDATA[México D.F. ]]></publisher-loc>
<publisher-name><![CDATA[INAH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pellegrini]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Donahue]]></surname>
<given-names><![CDATA[R.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Chenery]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Evans]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Lee-Throp]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Montgomery]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mussi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Faunal migration in late-glacial central Italy: implications for human resource exploitation]]></article-title>
<source><![CDATA[Rapid Communications in Mass Spectrometry]]></source>
<year>2008</year>
<volume>22</volume>
<page-range>1714-26</page-range></nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez-Crespo]]></surname>
<given-names><![CDATA[V.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Benammi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos-Moreno]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Morett-A.]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Puente]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Cienfuegos-Alvarado]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Carbon isotopic values of tooth enamel of Mammuthus columbi from Tocuila, State of México, México]]></article-title>
<source><![CDATA[Current Research in the Pleistocene]]></source>
<year>2010</year>
<volume>27</volume>
<page-range>188-90</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez-Crespo]]></surname>
<given-names><![CDATA[V.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Alva-Valdivia]]></surname>
<given-names><![CDATA[L.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Puente]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Cienfuegos-Alvarado]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[F.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La paleodieta de cinco especies de mamíferos herbívoros rancholabreanos de Valsequillo, Puebla]]></article-title>
<source><![CDATA[Revista Chilena de Antropología]]></source>
<year>2014</year>
<volume>30</volume>
<page-range>76-82</page-range></nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez-Crespo]]></surname>
<given-names><![CDATA[V.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Holliday]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Puente]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Cienfuegos-Alvarado]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[F.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Información isotópica de los gonfoterios, los mastodontes y el tapir de El Fin del Mundo, un sitio Clovis mexicano]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[L.J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Serrano]]></surname>
<given-names><![CDATA[S.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[A.F.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[G.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[El poblamiento temprano en América]]></source>
<year>2016</year>
<page-range>211-20</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez-Crespo]]></surname>
<given-names><![CDATA[V.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Puente]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Cienfuegos-Alvarado]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[F.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diet and Habitat of Mesomammals and Megamammals from Cedral, San Luis Potosí, México]]></article-title>
<source><![CDATA[Geological Magazine]]></source>
<year>2018</year>
<volume>155</volume>
<page-range>674-84</page-range></nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivals]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Semprebon]]></surname>
<given-names><![CDATA[G.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A comparison of the dietary habits of a large sample of the Pleistocene pronghorn Stockoceros onusrosagris from the Papago Springs Cave in Arizona to the modern Antilocapra americana]]></article-title>
<source><![CDATA[Journal of Vertebrate Paleontology]]></source>
<year>2006</year>
<volume>26</volume>
<page-range>495-500</page-range></nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivals]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Solounias]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Mihlbachler]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evidence for geographic variation in the diets of late Pleistocene and early Holocene Bison in North America, and differences from the diets of recent Bison]]></article-title>
<source><![CDATA[Quaternary Research]]></source>
<year>2007</year>
<volume>68</volume>
<page-range>338-46</page-range></nlm-citation>
</ref>
<ref id="B54">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivals]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Semprebon]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Lister]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An examination of dietary diversity patterns in Pleistocene proboscideans (Mammuthus, Paloeoloxodon, and Mammut) from Europe and North America as revealed by dental microwear]]></article-title>
<source><![CDATA[Quaternary International]]></source>
<year>2012</year>
<volume>255</volume>
<page-range>188-95</page-range></nlm-citation>
</ref>
<ref id="B55">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rzedowski]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Vegetación de México]]></source>
<year>1981</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Editorial Limusa]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B56">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rothschild]]></surname>
<given-names><![CDATA[B.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Laub]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hyperdisease in the Late Pleistocene: validation of an early 20th century hypothesis]]></article-title>
<source><![CDATA[Naturwissenschaften]]></source>
<year>2006</year>
<volume>93</volume>
<page-range>557-64</page-range></nlm-citation>
</ref>
<ref id="B57">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reconstrucción del ambiente de mamíferos extintos a partir del análisis isotópico de los restos esqueléticos]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Alcorno]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Redondo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Toledo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nuevas técnicas aplicadas al estudio de los sistemas ambientales: los isótopos estables]]></source>
<year>2005</year>
<page-range>49-64</page-range><publisher-loc><![CDATA[Madrid, España ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma de Madrid]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B58">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez-Martínez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Alvarado]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis palinológico]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mirambell]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rancho &#8220;La Amapola&#8221;, Cedral. Un sitio arqueológico-paleontológico pleistocénico-holocénico con restos de actividad humana]]></source>
<year>2012</year>
<page-range>285-94</page-range><publisher-loc><![CDATA[México D.F. ]]></publisher-loc>
<publisher-name><![CDATA[INAH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B59">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Carpenter]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Tracking the first people of Mexico: A review of archaeological record]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Kornfield]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Huckell]]></surname>
<given-names><![CDATA[B.B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Stones, bones, and profile. Exploring archaeological context, early American Hunter-Gathers, and bison]]></source>
<year>2016</year>
<page-range>75-101</page-range><publisher-loc><![CDATA[Colorado, USA ]]></publisher-loc>
<publisher-name><![CDATA[University Press of Colorado]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B60">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Holliday]]></surname>
<given-names><![CDATA[V.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Gaines]]></surname>
<given-names><![CDATA[E.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Arroyo-Cabrales]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Tagüeña]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Kowler]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lange]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Hodgins]]></surname>
<given-names><![CDATA[G.W.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Mentzer]]></surname>
<given-names><![CDATA[S.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez-Morales]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Human (Clovis)-gomphothere (Cuvieronius sp.) association ~13,390 calibrated yBP in Sonora, Mexico]]></article-title>
<source><![CDATA[Proceedings of the National Academy of Sciences]]></source>
<year>2014</year>
<volume>111</volume>
<page-range>10972-7</page-range></nlm-citation>
</ref>
<ref id="B61">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[G.J.]]></given-names>
</name>
<name>
<surname><![CDATA[DeSantis]]></surname>
<given-names><![CDATA[L.R.G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Dietary ecology of Pleistocene mammoths and mastodons as inferred from dental microwear textures]]></article-title>
<source><![CDATA[Palaeogeography, Palaeoclimatology, Palaeoecology]]></source>
<year>2018</year>
<volume>492</volume>
<page-range>10-25</page-range></nlm-citation>
</ref>
<ref id="B62">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[van der Merwe]]></surname>
<given-names><![CDATA[N.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Photosynthesis and 13C/12C ratios in Amazonian rain forest]]></article-title>
<source><![CDATA[Geochimica et Cosmochimica Acta]]></source>
<year>1989</year>
<volume>53</volume>
<page-range>1091-4</page-range></nlm-citation>
</ref>
<ref id="B63">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yann]]></surname>
<given-names><![CDATA[T.L.]]></given-names>
</name>
<name>
<surname><![CDATA[DeSantis]]></surname>
<given-names><![CDATA[L.R.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Haupt]]></surname>
<given-names><![CDATA[R.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Romer]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Corapi]]></surname>
<given-names><![CDATA[S.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ettenson]]></surname>
<given-names><![CDATA[D.J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The application of and oxygen isotope aridity index to terrestrial paleoenvironmental reconstructions in Pleistocene North America]]></article-title>
<source><![CDATA[Paleobiology]]></source>
<year>2013</year>
<volume>39</volume>
<page-range>576-90</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
