<?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>S1405-33222016000200313</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Braquiópodos discínidos (Lingulida, Discinoidea) de la Formación Ixtaltepec, Carbonífero del área de Santiago Ixtaltepec, Oaxaca]]></article-title>
<article-title xml:lang="en"><![CDATA[Discinid brachiopods (Lingulida, Discinoidea) of the Ixtaltepec Formation, Carboniferous of the Santiago Ixtaltepec area, Oaxaca]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Martínez]]></surname>
<given-names><![CDATA[Miguel Angel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[Francisco]]></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 Departamento de Paleontología]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ciencias Departamento de Biología Evolutiva]]></institution>
<addr-line><![CDATA[CDMX ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<volume>68</volume>
<numero>2</numero>
<fpage>313</fpage>
<lpage>321</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-33222016000200313&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-33222016000200313&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-33222016000200313&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se describen cuatro especies de braquiópodos discínidos del género Orbiculoidea , presentes en diferentes niveles de la sección tipo de la Formación Ixtaltepec, Arroyo las Pulgas, Municipio de Nochixtlán, Oaxaca. Orbiculoidea caneyana y Orbiculoidea sp. se encontraron en niveles basales de la formación, en estratos de lutita de edad chesteriana (Misisípico Tardío). Orbiculoidea missourien sis y Orbiculoidea capuliformis se hallan en niveles estratigráficos superiores, también de lutita, de edad morrowano-desmoinesiana (Pensilvánico Medio), corroborando la edad de las rocas portadoras. Los reportes de Orbiculoidea caneyana y O. capuliformis son los primeros que se hacen para México y al igual que el registro de O. missouriensis remarcan las relaciones paleobiogeográficas de las faunas carboníferas de Nochixtlán con faunas coetáneas que se han descrito para la región centro-este de los Estados Unidos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Four species of discinid brachiopods of the genus Orbiculoidea present at different levels of the Ixtaltepec Formation, type section Arroyo las Pulgas, Nochixtlán Municipality, Oaxaca are described. Orbiculoidea caneyana and Orbiculoidea sp. were found in basal levels of the formation, in shale strata of chesterian age (Late Mississippian). The presence of Orbiculoidea missouriensis and Orbiculoidea capuliformis in upper stratigraphic levels, and also in argillaceous rocks of morrowan-desmoinesian age (Middle Pennsylvanian), corroborate the age of the fossil-bearing rocks. These are the first records of Orbiculoidea caneyana and O. capuliformis in Mexico and, along with O. missouriensis , highlight the paleobiogeographic relationship of the carboniferous faunas of Nochixtlán with coeval faunas described in the east-central region of the United States.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Braquiópodos]]></kwd>
<kwd lng="es"><![CDATA[Orbiculoidea]]></kwd>
<kwd lng="es"><![CDATA[Carbonífero]]></kwd>
<kwd lng="es"><![CDATA[Chesteriano]]></kwd>
<kwd lng="es"><![CDATA[Morrowano-Desmoinesiano]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="en"><![CDATA[Brachiopods]]></kwd>
<kwd lng="en"><![CDATA[Orbiculoidea]]></kwd>
<kwd lng="en"><![CDATA[Carboniferous]]></kwd>
<kwd lng="en"><![CDATA[Chesterian]]></kwd>
<kwd lng="en"><![CDATA[Morrowan-Desmoinesian]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></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[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Chacón]]></surname>
<given-names><![CDATA[M.L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Braquiópodos]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Martínez-Chacón]]></surname>
<given-names><![CDATA[M.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Rivas]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Paleontología de invertebrados]]></source>
<year>2009</year>
<page-range>377-418</page-range><publisher-loc><![CDATA[Oviedo ]]></publisher-loc>
<publisher-name><![CDATA[Ediciones de la Universidad de Oviedo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Carboniferous invertebrates]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Beede]]></surname>
<given-names><![CDATA[J.W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Kansas Geological Survey]]></source>
<year>1900</year>
<volume>6</volume>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castillo-Espinoza]]></surname>
<given-names><![CDATA[K.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sistemática de braquiópodos, cefalópodos y crinoideos del Misisípico medio de la formación Santiago, Santiago Ixtaltepec, Oaxaca]]></source>
<year>2013</year>
<publisher-loc><![CDATA[México, D.F. ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Davidson]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mémoire sur les Brachiopodes du Système Silurien supérieur de l'Angleterre]]></source>
<year>1848</year>
<page-range>309- 370-374</page-range><publisher-name><![CDATA[Société Géologique de France]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Duméril]]></surname>
<given-names><![CDATA[A.M.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Zoologie analytique, ou méthode naturelle de classification des animaux, rendue plus facile à l'aide de table aux synoptiques]]></source>
<year>1805</year>
<page-range>xxiv+344</page-range><publisher-loc><![CDATA[Allais, Paris ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Brachiopoda of the Pennsylvanian system in Nebraska]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dunbar]]></surname>
<given-names><![CDATA[C.O.]]></given-names>
</name>
<name>
<surname><![CDATA[Condra]]></surname>
<given-names><![CDATA[G.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nebraska Geological Survey]]></source>
<year>1932</year>
<numero>5</numero>
<issue>5</issue>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Type section of the Caney Shale]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elias]]></surname>
<given-names><![CDATA[M.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Branson]]></surname>
<given-names><![CDATA[C.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Oklahoma Geological Survey]]></source>
<year>1959</year>
<numero>52</numero>
<issue>52</issue>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Conuláridos misisípicos de Nochixtlán, Oaxaca, México: consideraciones sistemáticas, estratigráficas y paleobiogeográficas]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escalante-Ruíz]]></surname>
<given-names><![CDATA[A.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Quiroz-Barroso]]></surname>
<given-names><![CDATA[S.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Brasileira de Paleontología]]></source>
<year>2014</year>
<volume>17</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>195-206</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flores de Dios]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vachard]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Buitrón]]></surname>
<given-names><![CDATA[B.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[La cubierta sedimentaria pérmica superior (Formaciones Olinalá, Ihualtepec y Yododeñe) de los terrenos Zapoteco y Mixteco, evolución sedimentológica e interpretaciones paleogeográficas]]></source>
<year>2000</year>
<conf-name><![CDATA[ 2Reunión Nacional de Ciencias de la Tierra]]></conf-name>
<conf-loc>Puerto Vallarta, Jal., México </conf-loc>
<page-range>324-5</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The fauna of the Caney Shale of Oklahoma]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Girty]]></surname>
<given-names><![CDATA[G.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bulletin United States of Geological Survey]]></source>
<year>1909</year>
<volume>377</volume>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The fauna of the Moorefield Shale of Arkansas]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Girty]]></surname>
<given-names><![CDATA[G.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bulletin United States of Geological Survey]]></source>
<year>1911</year>
<volume>439</volume>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Girty]]></surname>
<given-names><![CDATA[G.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[The fauna of the Middle Boone near Batesville, Arkansas]]></source>
<year>1929</year>
<page-range>73-103</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Briozoarios del Orden Fenestrida, Pensilvánico de la Formación Ixtaltepec, Municipio de Nochixtlán, Oaxaca; consideraciones paleoambientales]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[González-Mora]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Boletín de la Sociedad Geológica Mexicana]]></source>
<year>2014</year>
<volume>66</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>471-82</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Morfologiya, sistematicheskoe polozhenie i proiskhozhdenia bezzamkovykh brakhiopod s karbonatnoj rakovinoj]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gorjansky]]></surname>
<given-names><![CDATA[V.Iu.]]></given-names>
</name>
<name>
<surname><![CDATA[Popov]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Paleontologicheskii Zhurnal]]></source>
<year>1985</year>
<volume>1985</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>3-14</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gray]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Synopsis of the Contents of the British Museum]]></source>
<year>1840</year>
<edition>42</edition>
<publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[British Museum]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hall]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Clarke]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[An Introduction to the Study of the Genera of Palaeozoic Brachiopoda]]></source>
<year>1892</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Charles van Benthuysen & Sons]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hoare]]></surname>
<given-names><![CDATA[R.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Desmoinesian Brachiopoda and Mollusca from southwest Missouri]]></source>
<year>1961</year>
<publisher-loc><![CDATA[Missouri ]]></publisher-loc>
<publisher-name><![CDATA[University of Missouri press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holmer]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Popov]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lingulida]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Kaesler]]></surname>
<given-names><![CDATA[R.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Treatise on Invertebrate Paleontology]]></source>
<year>2000</year>
<volume>2</volume>
<page-range>32-97</page-range><publisher-loc><![CDATA[Kansas ]]></publisher-loc>
<publisher-name><![CDATA[The Geological Society of America, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holmer]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Popov]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lingulida]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Selden]]></surname>
<given-names><![CDATA[P.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Treatise on Invertebrate Paleontology]]></source>
<year>2007</year>
<volume>6</volume>
<page-range>2532-59</page-range><publisher-loc><![CDATA[Kansas ]]></publisher-loc>
<publisher-name><![CDATA[The Geological Society of America, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kues]]></surname>
<given-names><![CDATA[B.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Pennsylvanian stratigraphy and paleontology of the Taos area, north-central New Mexico, Río Grande Rift, Northern New Mexico]]></source>
<year>1984</year>
<page-range>107-14</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McChesney]]></surname>
<given-names><![CDATA[J.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Descriptions of new species of fossils from the Paleozoic rocks of the western states]]></source>
<year>1860</year>
<publisher-loc><![CDATA[Chicago ]]></publisher-loc>
<publisher-name><![CDATA[Chicago Academy of Sciences]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[McKnight]]></surname>
<given-names><![CDATA[E.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Fischer]]></surname>
<given-names><![CDATA[R.P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geology and ore deposits of the Picherfield, Oklahoma and Kansas]]></source>
<year>1970</year>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meek]]></surname>
<given-names><![CDATA[F.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Hayden]]></surname>
<given-names><![CDATA[F.V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Geological explorations in Kansas territory]]></source>
<year>1859</year>
<page-range>256-66</page-range><publisher-name><![CDATA[Academy of Natural Science of Philadelphia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Discinid brachiopod life assemblages, fossil and extant]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mergl]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bulletin of Geosciences]]></source>
<year>2010</year>
<volume>85</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>27-38</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Geology of the Stonewall quadrangle, Oklahoma]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morgan]]></surname>
<given-names><![CDATA[G.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Oklahoma Bulletin Bureau Geology]]></source>
<year>1924</year>
<volume>2</volume>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Pottsville fauna of Ohio]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morningstar]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ohio Geological Survey Bulletin]]></source>
<year>1922</year>
<volume>25</volume>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Una especie nueva del género Griffithides Portlock (Arthropoda, Trilobita) del Paleozoico Superior de Oaxaca]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morón-Ríos]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Perrilliat]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista del Instituto de Geología]]></source>
<year>1988</year>
<volume>7</volume>
<page-range>67-70</page-range><publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Lower Mississippian (Osagean) brachiopods from the Santiago Formation, Oaxaca, Mexico: stratigraphic and tectonic implications]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Navarro-Santillán]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Centeno-García]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of South American Earth Sciences]]></source>
<year>2002</year>
<volume>15</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>327-36</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Considérations zoologiques et géologiques sur les brachiopodes ou palliobranches]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[d'Orbigny]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Comptes Rendus Hebdomadaires des Séances de l'Académie des Sciences]]></source>
<year>1847</year>
<volume>25</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>193-5</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pantoja-Alor]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rocas sedimentarias paleozoicas de la región centro-septentrional de Oaxaca]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Segura]]></surname>
<given-names><![CDATA[L.R.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[T.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Libro guía de la excursión México-Oaxaca]]></source>
<year>1970</year>
<page-range>67-84</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Sociedad Geológica Mexicana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quiroz-Barroso]]></surname>
<given-names><![CDATA[S.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bivalvos del Carbonífero de Nochixtlán, Oaxaca]]></source>
<year>1995</year>
<publisher-loc><![CDATA[México, D.F. ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Pennsylvanian Nuculoids (Bivalvia) from the Ixtaltepec Formation, Oaxaca, Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quiroz-Barroso]]></surname>
<given-names><![CDATA[S.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Perrilliat]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Paleontology]]></source>
<year>1997</year>
<volume>71</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>400-7</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Pennsylvanian bivalves from the Ixtaltepec Formation, Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quiroz-Barroso]]></surname>
<given-names><![CDATA[S.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Perrilliat]]></surname>
<given-names><![CDATA[M.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Paleontology]]></source>
<year>1998</year>
<volume>72</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1011-24</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Pseudomulceodens : A Mississippian rostroconch from Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Quiroz-Barroso]]></surname>
<given-names><![CDATA[S.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pojeta Jr.]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Soto]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Paleontology]]></source>
<year>2000</year>
<volume>74</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1184-6</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Descriptions of new fossils from the Coal Measures of Missouri and Kansas]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shumard]]></surname>
<given-names><![CDATA[B.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Swallow]]></surname>
<given-names><![CDATA[G.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Transactions of the Academy of Science of St. Louis]]></source>
<year>1858</year>
<volume>1</volume>
<page-range>198-227</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[990 and 1100 Ma Grenvillian tectonothermal events in the northern Oaxacan Complex, southern Mexico: roots of an orogen]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Solari]]></surname>
<given-names><![CDATA[L.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Keppie]]></surname>
<given-names><![CDATA[J.D.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega-Gutiérrez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Cameron]]></surname>
<given-names><![CDATA[K.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Lopez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Hames]]></surname>
<given-names><![CDATA[W.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tectonophysics]]></source>
<year>2003</year>
<volume>365</volume>
<page-range>257-82</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Braquiópodos pensilvánicos del área de Santiago Ixtaltepec, Municipio de Nochixtlán, Oaxaca]]></source>
<year>1994</year>
<publisher-loc><![CDATA[México, D.F. ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Los graptolitos del Tremadociano de Ixtaltepec, Oaxaca. Consideraciones sobre el límite Cámbrico-Ordovícico de la región]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Buitrón]]></surname>
<given-names><![CDATA[B.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista de la Sociedad Mexicana de Paleontología]]></source>
<year>1987</year>
<volume>1</volume>
<page-range>380-95</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Braquiópodos chonetoideos del Carbonífero de México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Chacón]]></surname>
<given-names><![CDATA[M.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Española de Paleontología]]></source>
<year>2004</year>
<volume>19</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>125-38</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Braquiópodos pensilvánicos (Strophomenida) de la Formación Ixtaltepec, Santiago Ixtaltepec, Oaxaca]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Quiroz-Barroso]]></surname>
<given-names><![CDATA[S.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista de la Sociedad Mexicana de Paleontología]]></source>
<year>1989</year>
<volume>2</volume>
<page-range>5-17</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Pennsylvanian brachiopods of Ohio]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sturgeon]]></surname>
<given-names><![CDATA[M.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Hoare]]></surname>
<given-names><![CDATA[R.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ohio Geological Survey Bulletin]]></source>
<year>1968</year>
<volume>63</volume>
</nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres-Martínez]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Braquiópodos carboníferos del área de Santiago Ixtaltepec, Oaxaca. Implicaciones paleoambientales, estratigráficas y paleobiogeográficas]]></source>
<year>2014</year>
<publisher-loc><![CDATA[México, D.F. ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Nuevos braquiópodos prodúctidos (Rhynchonelliformea, Strophomenata) del Carbonífero de la región de Nochixtlán, Oaxaca]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres-Martínez]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Mexicana de Ciencias Geológicas]]></source>
<year>2012</year>
<volume>29</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>696-712</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[New productid brachiopods (Productoidea) from the Carboniferous of Ixtaltepec Formation, Oaxaca, Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres-Martínez]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Paleontology]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Neospiriferinid brachiopods (Spiriferida, Trigonotretidae) from Ixtaltepec Formation, Pennsylvanian of Oaxaca State, Southern Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Torres-Martínez]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Huerta]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Fossils and Strata]]></source>
<year>2008</year>
<numero>^s54</numero>
<issue>^s54</issue>
<supplement>54</supplement>
<page-range>157-66</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A new genus and four new species of cladids (Crinoidea, Cladida) from the Carboniferous of Oaxaca, Southern Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villanueva-Olea]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Systematic Palaeontology]]></source>
<year>2015</year>
<volume>13</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>527-42</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Placas columnares de crinoides del Carbonífero de la Región de Santiago Ixtaltepec, Municipio de Nochixtlán, Oaxaca; consideraciones estratigráficas y paleobiogeográficas]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villanueva-Olea]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Castillo-Espinoza]]></surname>
<given-names><![CDATA[K.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sour-Tovar]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Quiroz-Barroso]]></surname>
<given-names><![CDATA[S.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Buitrón]]></surname>
<given-names><![CDATA[B.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Boletín de la Sociedad Geológica Mexicana]]></source>
<year>2011</year>
<volume>63</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>429-43</page-range></nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Salt Range fossils]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Waagen]]></surname>
<given-names><![CDATA[W.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Palaeontologia Indica]]></source>
<year>1885</year>
<volume>13</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>729-70</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[White]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[The fossils of the Indiana rocks]]></source>
<year>1884</year>
<edition>13</edition>
<page-range>107-80</page-range><publisher-loc><![CDATA[Indiana, U.S.A. ]]></publisher-loc>
<publisher-name><![CDATA[Indiana Department in Geology and Natural History]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A supra-ordinal classification of the Brachiopoda]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Carlson]]></surname>
<given-names><![CDATA[S.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Brunton]]></surname>
<given-names><![CDATA[C.H.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Holmer]]></surname>
<given-names><![CDATA[L.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Popov]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Philosophical Transactions of the Royal Society of London]]></source>
<year>1996</year>
<numero>351</numero>
<issue>351</issue>
<page-range>1171-93</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
