399 lines
54 KiB
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399 lines
54 KiB
XML
<document ID-DOI="10.7717/peerj.14333" ID-GBIF-Dataset="2c4e7a75-a12a-4824-ae8d-8ab68ee4c599" ID-PMC="PMC9673870" ID-PubMed="36405026" ID-Zenodo-Dep="7437091" approvedBy="tatiana" checkinTime="1671017548099" checkinUser="tatiana" docAuthor="Silva Junior, Julian C. G., Martinelli, Agustín G., Marinho, Thiago S., da Silva, João Ismael & Langer, Max C." docDate="2022" docId="421187DC5606FF9258C6F95EFAB3F914" docLanguage="en" docName="Peerj.10.e14333.pdf" docOrigin="PeerJ (e 14333) 10" docSource="http://dx.doi.org/10.7717/peerj.14333" docTitle="Baurutitan britoi Kellner, Campos & Trotta 2005" docType="treatment" docVersion="3" lastPageNumber="35" masterDocId="BE28FFA45618FFB05934FFF6FFF7FFD3" masterDocTitle="New specimens of Baurutitan britoi and a taxonomic reassessment of the titanosaur dinosaur fauna (Sauropoda) from the Serra da Galga Formation (Late Cretaceous) of Brazil" masterLastPageNumber="44" masterPageNumber="1" pageNumber="31" updateTime="1671018889964" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>New specimens of Baurutitan britoi and a taxonomic reassessment of the titanosaur dinosaur fauna (Sauropoda) from the Serra da Galga Formation (Late Cretaceous) of Brazil</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Silva Junior, Julian C. G.</mods:namePart>
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<mods:affiliation>Laboratório de Paleontologia de Ribeirão Preto, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil</mods:affiliation>
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<mods:nameIdentifier type="email">juliancristiangoncalves@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Martinelli, Agustín G.</mods:namePart>
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<mods:affiliation>Sección Paleontología de Vertebrados, Museo Argentino de Ciencias Naturales “ Bernardino Rivadavia ”, Buenos Aires, Buenos Aires, Argentina</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Marinho, Thiago S.</mods:namePart>
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<mods:affiliation>Pró-Reitoria de Extensão Universitária, Universidade Federal do Triangulo Mineiro, Centro de Pesquisas Paleontológicas L. I. Price, Complexo Cultural e Científico Peirópolis, Uberaba, Minas Gerais, Brazil & Departamento de Ciências Biológicas, Instituto de Ciências Exatas, Naturais e Educação, Universidade Federal do Triângulo Mineiro, Uberaba, Minas Gerais, Brazil</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>da Silva, João Ismael</mods:namePart>
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<mods:affiliation>Pró-Reitoria de Extensão Universitária, Universidade Federal do Triangulo Mineiro, Centro de Pesquisas Paleontológicas L. I. Price, Complexo Cultural e Científico Peirópolis, Uberaba, Minas Gerais, Brazil & Prefeitura Municipal de Uberaba, Fundação Cultural de Uberaba, Uberaba, Minas Gerais, Brazil</mods:affiliation>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Langer, Max C.</mods:namePart>
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<mods:affiliation>Laboratório de Paleontologia de Ribeirão Preto, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil</mods:affiliation>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>PeerJ</mods:title>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="series">
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<mods:title>e 14333</mods:title>
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</mods:detail>
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<mods:detail type="pubDate">
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<mods:number>2022-11-15</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>10</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:url>http://dx.doi.org/10.7717/peerj.14333</mods:url>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.7717/peerj.14333</mods:identifier>
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<mods:identifier type="GBIF-Dataset">2c4e7a75-a12a-4824-ae8d-8ab68ee4c599</mods:identifier>
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<mods:identifier type="PMC">PMC9673870</mods:identifier>
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<mods:identifier type="PubMed">36405026</mods:identifier>
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<mods:identifier type="Zenodo-Dep">7437091</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.7437093" ID-Zenodo-Dep="7437093" LSID="urn:lsid:plazi:treatment:421187DC5606FF9258C6F95EFAB3F914" httpUri="http://treatment.plazi.org/id/421187DC5606FF9258C6F95EFAB3F914" lastPageId="34" lastPageNumber="35" pageId="30" pageNumber="31">
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<subSubSection box="[498,1081,1703,1730]" pageId="30" pageNumber="31" type="nomenclature">
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<paragraph blockId="30.[498,1541,1498,1810]" box="[498,1081,1703,1730]" pageId="30" pageNumber="31">
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<taxonomicName authority="Kellner, Campos & Trotta, 2005" authorityName="Kellner, Campos & Trotta" authorityYear="2005" box="[498,1081,1703,1730]" family="Titanosauridae" genus="Baurutitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="30" pageNumber="31" phylum="Chordata" rank="species" species="britoi">
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<emphasis box="[498,1081,1703,1730]" italics="true" pageId="30" pageNumber="31">
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Baurutitan britoi
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<bibRefCitation author="Kellner AW & Campos DDA & Trotta MNF" box="[707,1081,1703,1730]" journalOrPublisher="Arquivos do Museu Nacional" pageId="30" pageNumber="31" pagination="529 - 564" part="63" refId="ref18558" refString="Kellner AW, Campos DDA, Trotta MNF. 2005. Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil. Arquivos do Museu Nacional 63 (3): 529 - 564." title="Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil" type="journal article" year="2005">Kellner, Campos & Trotta, 2005</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="30" pageNumber="31" type="reference_group">
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<paragraph blockId="30.[498,1541,1498,1810]" pageId="30" pageNumber="31">
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<emphasis box="[498,1024,1743,1770]" italics="true" pageId="30" pageNumber="31">
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Syn.
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<taxonomicName authority="Campos et al., 2005" authorityName="Campos" authorityYear="2005" box="[554,1024,1743,1770]" family="Titanosauridae" genus="Trigonosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="30" pageNumber="31" phylum="Chordata" rank="species" species="pricei">
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Trigonosaurus pricei
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<bibRefCitation author="Campos DDA & Kellner AW & Bertini RJ & Santucci RM" box="[799,1024,1743,1770]" journalOrPublisher="Arquivos do Museu Nacional" pageId="30" pageNumber="31" pagination="565 - 593" part="63" refId="ref17373" refString="Campos DDA, Kellner AW, Bertini RJ, Santucci RM. 2005. On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru group, Late Cretaceous of Brazil. Arquivos do Museu Nacional 63 (3): 565 - 593." title="On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru group, Late Cretaceous of Brazil" type="journal article" year="2005">Campos et al., 2005</bibRefCitation>
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</taxonomicName>
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</emphasis>
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(a complete list of synonyms is provided on the supplementary)
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</paragraph>
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<paragraph blockId="30.[498,1245,1845,1872]" box="[498,1245,1845,1872]" pageId="30" pageNumber="31">
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<emphasis box="[498,1245,1845,1872]" italics="true" pageId="30" pageNumber="31">
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<emphasis bold="true" box="[498,653,1845,1871]" italics="true" pageId="30" pageNumber="31">Type-species:</emphasis>
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<taxonomicName authority="Kellner, Campos & Trotta, 2005" authorityName="Kellner, Campos & Trotta" authorityYear="2005" box="[662,1245,1846,1872]" family="Titanosauridae" genus="Baurutitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="30" pageNumber="31" phylum="Chordata" rank="species" species="britoi">
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Baurutitan britoi
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<bibRefCitation author="Kellner AW & Campos DDA & Trotta MNF" box="[871,1245,1846,1872]" journalOrPublisher="Arquivos do Museu Nacional" pageId="30" pageNumber="31" pagination="529 - 564" part="63" refId="ref18558" refString="Kellner AW, Campos DDA, Trotta MNF. 2005. Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil. Arquivos do Museu Nacional 63 (3): 529 - 564." title="Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil" type="journal article" year="2005">Kellner, Campos & Trotta, 2005</bibRefCitation>
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</taxonomicName>
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="materials_examined">
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<paragraph blockId="31.[498,1496,234,300]" pageId="31" pageNumber="32">
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<emphasis bold="true" box="[498,614,234,261]" italics="true" pageId="31" pageNumber="32">Holotype:</emphasis>
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MCT 1490-R (Series C): last sacral vertebra articulated with a sequence of eighteen caudal vertebrae.
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</paragraph>
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<paragraph blockId="31.[498,1542,336,1160]" pageId="31" pageNumber="32">
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<emphasis bold="true" box="[498,734,336,363]" italics="true" pageId="31" pageNumber="32">Referred specimens:</emphasis>
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<materialsCitation pageId="31" pageNumber="32">
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MCT 1488-R (Series B; holotype of
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<taxonomicName box="[1168,1264,337,362]" family="Titanosauridae" genus="Trigonosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="31" pageNumber="32" phylum="Chordata" rank="species" species="pricei">
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<emphasis box="[1168,1264,337,362]" italics="true" pageId="31" pageNumber="32">T. pricei</emphasis>
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</taxonomicName>
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): five cervical and 10 trunk vertebrae; sacrum and ilium.
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</materialsCitation>
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<materialsCitation pageId="31" pageNumber="32">Forty-four specimens, possibly constituting a single individual, recovered from BR-262 locality, including: CPPLIP-035 (middle cervical vertebrae), CPPLIP-039 (middle cervical vertebrae), CPPLIP-040 (posterior cervical vertebrae), CPPLIP-049 (posterior cervical vertebrae), CPPLIP-014 (cervical rib), CPPLIP- 110 (anterior trunk vertebra), CPPLIP-036 (anterior trunk vertebra), CPPLIP-103 (middle trunk vertebra), CPPLIP-111 (middle trunk vertebra), CPPLIP-037 (middle trunk vertebrae), CPPLIP-458 (middle trunk vertebrae), CPPLIP-43 (posterior trunk neural spine), CPPLIP-044 (trunk rib fragment), CPPLIP-097 (trunk rib fragment), CPPLIP-108 (trunk rib fragment), CPPLIP-109 (trunk rib fragment), CPPLIP-102 (anterior caudal vertebra), CPPLIP-046 (middle caudal vertebra), CPPLIP-047 (middle caudal vertebra), CPPLIP-061 (middle caudal vertebra), CPPLIP-096 (middle caudal vertebra), CPPLIP-091 (posterior caudal vertebra), CPPLIP-093 (middle caudal vertebra), CPPLIP-094 (posterior caudal vertebra), CPPLIP-095 (posterior caudal vertebra), CPPLIP-045 (posterior caudal vertebra), CPPLIP-055 (anterior chevron), CPPLIP-056 (anterior chevron), CPPLIP-098 (anterior chevron), CPPLIP-099 (anterior chevron), CPPLIP-112 (anterior chevron), CPPLIP-188 (anterior chevron), CPPLIP-057 (posterior chevron), CPPLIP-100 (posterior chevron), CPPLIP-038 (right scapula), CPPLIP-140 (right coracoid), CPPLIP-138 (right sternal plate), CPPLIP-007 (fragment of left humerus), CPPLIP-008 (right humerus), CPPLIP-010 (right metacarpal I), CPPLIP-042 (left ischium fragment), CPPLIP-069 (right ischium), CPPLIP-011 (left metatarsal II), CPPLIP-054 (left metatarsal III).</materialsCitation>
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</paragraph>
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<paragraph blockId="31.[498,1542,1196,1342]" pageId="31" pageNumber="32">
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<emphasis bold="true" box="[498,813,1196,1223]" italics="true" pageId="31" pageNumber="32">Type-locality and horizon:</emphasis>
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<materialsCitation country="Brazil" location="Serra da Galga" municipality="Uberaba" pageId="31" pageNumber="32" specimenCode="MCT 1490-R" stateProvince="Minais Gerais" typeStatus="holotype">
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MCT 1490-R was collected from the Serra da Galga Formation (
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<bibRefCitation author="Soares MVT & Basilici G & Marinho TS & Martinelli AG & Marconato A & Mountney NP & Ribeiro LCB" box="[508,710,1236,1262]" journalOrPublisher="Geological Journal" pageId="31" pageNumber="32" pagination="951 - 975" part="56" refId="ref19611" refString="Soares MVT, Basilici G, Marinho TS, Martinelli AG, Marconato A, Mountney NP, Ribeiro LCB. 2021. Sedimentology of a distributive fluvial system: the Serra da Galga Formation, a new lithostratigraphic unit (Upper Cretaceous, Bauru Basin, Brazil). Geological Journal 56 (2): 951 - 975 DOI 10.1002 / gj. 3987." title="Sedimentology of a distributive fluvial system: the Serra da Galga Formation, a new lithostratigraphic unit (Upper Cretaceous, Bauru Basin, Brazil)" type="journal article" year="2021">
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<emphasis box="[508,710,1236,1262]" italics="true" pageId="31" pageNumber="32">Soares et al., 2021</emphasis>
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</bibRefCitation>
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), in the site known as “Caieira”, “Quarry 1”, or “Ponto 1 do Price”, Serra do Veadinho area, near Peirópolis, Uberaba-MG (
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<bibRefCitation author="Campos DDA & Kellner AW" box="[1090,1375,1276,1302]" journalOrPublisher="National Science Museum Monographs" pageId="31" pageNumber="32" pagination="143 - 166" part="15" refId="ref17341" refString="Campos DDA, Kellner AW. 1999. On some sauropod (Titanosauridae) pelves from the continental Cretaceous of Brazil. National Science Museum Monographs 15: 143 - 166." title="On some sauropod (Titanosauridae) pelves from the continental Cretaceous of Brazil" type="journal article" year="1999">
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<emphasis box="[1090,1375,1276,1302]" italics="true" pageId="31" pageNumber="32">Campos & Kellner, 1999</emphasis>
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</bibRefCitation>
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;
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<bibRefCitation author="Martinelli AG & Teixeira VP" journalOrPublisher="Boletin Geologico y Minero" pageId="31" pageNumber="32" pagination="129 - 158" part="126" refId="ref18844" refString="Martinelli AG, Teixeira VP. 2015. The Late Cretaceous vertebrate record from the Bauru group in the Triangulo Mineiro, southeastern Brazil. Boletin Geologico y Minero 126 (1): 129 - 158." title="The Late Cretaceous vertebrate record from the Bauru group in the Triangulo Mineiro, southeastern Brazil" type="journal article" year="2015">
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<emphasis italics="true" pageId="31" pageNumber="32">Martinelli & Teixeira, 2015</emphasis>
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</bibRefCitation>
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).
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</materialsCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="31" pageNumber="32" type="diagnosis">
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<paragraph blockId="31.[498,1516,1378,1564]" pageId="31" pageNumber="32">
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<emphasis bold="true" box="[498,715,1378,1405]" italics="true" pageId="31" pageNumber="32">Revised diagnosis:</emphasis>
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titanosaur diagnosed based on a set of autapomorphic features,
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<emphasis box="[1477,1503,1379,1404]" italics="true" pageId="31" pageNumber="32">i.e</emphasis>
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.: expanded postzygodiapophyseal laminae on mid-posterior cervical vertebrae (newly proposed here) and first caudal vertebra with strongly pointed and laterally directed processes intercepting the spinoprezygapophyseal lamina (
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<bibRefCitation author="Kellner AW & Campos DDA & Trotta MNF" journalOrPublisher="Arquivos do Museu Nacional" pageId="31" pageNumber="32" pagination="529 - 564" part="63" refId="ref18558" refString="Kellner AW, Campos DDA, Trotta MNF. 2005. Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil. Arquivos do Museu Nacional 63 (3): 529 - 564." title="Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil" type="journal article" year="2005">
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<emphasis italics="true" pageId="31" pageNumber="32">Kellner, Campos & Trotta, 2005</emphasis>
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</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="34" lastPageNumber="35" pageId="31" pageNumber="32" type="discussion">
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<paragraph blockId="31.[498,1542,1600,1906]" box="[498,865,1600,1626]" pageId="31" pageNumber="32">
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<heading bold="true" box="[498,865,1600,1626]" fontSize="11" level="3" pageId="31" pageNumber="32" reason="6">
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<emphasis bold="true" box="[498,865,1600,1626]" pageId="31" pageNumber="32">Reassessment of MCT 1719-R</emphasis>
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</heading>
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</paragraph>
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<paragraph blockId="31.[498,1542,1600,1906]" lastBlockId="33.[498,1542,1550,1896]" lastPageId="33" lastPageNumber="34" pageId="31" pageNumber="32">
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The redefinition of the specimens referred to
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<taxonomicName authorityName="Kellner, Campos & Trotta" authorityYear="2005" box="[1016,1123,1640,1666]" family="Titanosauridae" genus="Baurutitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="31" pageNumber="32" phylum="Chordata" rank="species" species="britoi">
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<emphasis box="[1016,1123,1640,1666]" italics="true" pageId="31" pageNumber="32">Ba. britoi</emphasis>
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</taxonomicName>
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implies that MCT 1719-R cannot be associated to that taxon, as these caudal vertebrae clearly differ from those of MCT 1490-R and the BR-262 specimens. As discussed above, the BR-262 caudal neural spines lean posteriorly, as also seen in
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<taxonomicName authorityName="Kellner, Campos & Trotta" authorityYear="2005" box="[817,927,1759,1785]" family="Titanosauridae" genus="Baurutitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="31" pageNumber="32" phylum="Chordata" rank="species" species="britoi">
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<emphasis box="[817,927,1759,1785]" italics="true" pageId="31" pageNumber="32">Ba. britoi</emphasis>
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</taxonomicName>
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(
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<bibRefCitation author="Kellner AW & Campos DDA & Trotta MNF" box="[945,1319,1759,1786]" journalOrPublisher="Arquivos do Museu Nacional" pageId="31" pageNumber="32" pagination="529 - 564" part="63" refId="ref18558" refString="Kellner AW, Campos DDA, Trotta MNF. 2005. Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil. Arquivos do Museu Nacional 63 (3): 529 - 564." title="Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil" type="journal article" year="2005">
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<emphasis box="[945,1319,1759,1786]" italics="true" pageId="31" pageNumber="32">Kellner, Campos & Trotta, 2005</emphasis>
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</bibRefCitation>
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, figs. 8, 12, 16 and 19), but not in MCT 1719-R, the spines of which lean gently anteriorly or stand nearly vertical (
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<figureCitation box="[601,690,1839,1865]" captionStart="Figure 21" captionStartId="32.[524,589,1800,1822]" captionTargetBox="[500,1495,236,1770]" captionTargetId="figure-8@32.[498,1497,234,1772]" captionTargetPageId="32" captionText="Figure 21 Anterior caudal vertebrae of Caieiria allocaudata (MCT 1719-R). In (1) left lateral; (2) anterior; (3) dorsal; (4) right lateral; (5) posterior and (6) ventral views. Abbreviations: ns, neural spine; pocdf, postzygapophyseal centrodiapophyseal fossa prz, prezygapophyses; sprl, spinoprezygapophyseal lamina; tp, transverse process. Full-size DOI: 10.7717/peerj.14333/fig-21" figureDoi="http://doi.org/10.5281/zenodo.7437141" httpUri="https://zenodo.org/record/7437141/files/figure.png" pageId="31" pageNumber="32">Figs. 21</figureCitation>
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,
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<figureCitation box="[705,733,1839,1865]" captionStart="Figure 22" captionStartId="33.[524,589,1385,1407]" captionTargetBox="[499,1541,235,1372]" captionTargetId="figure-141@33.[498,1527,234,1357]" captionTargetPageId="33" captionText="Figure 22 Middle caudal vertebrae of Caieiria allocaudata. In (1) left lateral; (2) anterior; (3) dorsal; (4) right lateral; (5) posterior and (6) ventral views. Abbreviations: ns, neural spine; pocdf, postzygapophyseal centrodiapophyseal fossa; poz, postzygapophyses; prz, prezygapophyses; prsl, prespinal lamina; tp, transverse process. Full-size DOI: 10.7717/peerj.14333/fig-22" figureDoi="http://doi.org/10.5281/zenodo.7437143" httpUri="https://zenodo.org/record/7437143/files/figure.png" pageId="31" pageNumber="32">22</figureCitation>
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). MCT 1719-R also lacks another trait shared between
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<taxonomicName authorityName="Kellner, Campos & Trotta" authorityYear="2005" box="[1381,1490,1839,1865]" family="Titanosauridae" genus="Baurutitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="31" pageNumber="32" phylum="Chordata" rank="species" species="britoi">
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<emphasis box="[1381,1490,1839,1865]" italics="true" pageId="31" pageNumber="32">Ba. britoi</emphasis>
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</taxonomicName>
|
||
and the BR-262 specimens: transverse processes that turn into a lateral ridge on the middle of the series. Below, we further revise the features of MCT 1719-R that
|
||
<bibRefCitation author="Campos DDA & Kellner AW & Bertini RJ & Santucci RM" box="[1303,1542,1550,1577]" journalOrPublisher="Arquivos do Museu Nacional" pageId="33" pageNumber="34" pagination="565 - 593" part="63" refId="ref17373" refString="Campos DDA, Kellner AW, Bertini RJ, Santucci RM. 2005. On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru group, Late Cretaceous of Brazil. Arquivos do Museu Nacional 63 (3): 565 - 593." title="On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru group, Late Cretaceous of Brazil" type="journal article" year="2005">
|
||
<emphasis box="[1303,1542,1550,1577]" italics="true" pageId="33" pageNumber="34">Campos et al. (2005)</emphasis>
|
||
</bibRefCitation>
|
||
used to diagnose
|
||
<taxonomicName box="[703,799,1591,1616]" family="Titanosauridae" genus="Trigonosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="33" pageNumber="34" phylum="Chordata" rank="species" species="pricei">
|
||
<emphasis box="[703,799,1591,1616]" italics="true" pageId="33" pageNumber="34">T. pricei</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7437141" ID-Zenodo-Dep="7437141" httpUri="https://zenodo.org/record/7437141/files/figure.png" pageId="32" pageNumber="33" startId="32.[524,589,1800,1822]" targetBox="[500,1495,236,1770]" targetPageId="32">
|
||
<paragraph blockId="32.[524,1516,1799,1909]" pageId="32" pageNumber="33">
|
||
<emphasis bold="true" box="[524,1324,1799,1822]" pageId="32" pageNumber="33">
|
||
Figure 21 Anterior caudal vertebrae of
|
||
<taxonomicName authorityName="Silva Junior & Martinelli & Marinho & da Silva & Langer" authorityYear="2022" box="[947,1155,1799,1821]" genus="Caieiria" pageId="32" pageNumber="33" rank="species" species="allocaudata">
|
||
<emphasis bold="true" box="[947,1155,1799,1821]" italics="true" pageId="32" pageNumber="33">Caieiria allocaudata</emphasis>
|
||
</taxonomicName>
|
||
(MCT 1719-R).
|
||
</emphasis>
|
||
In (1) left lateral; (2) anterior; (3) dorsal; (4) right lateral; (5) posterior and (6) ventral views. Abbreviations: ns, neural spine; pocdf, postzygapophyseal centrodiapophyseal fossa prz, prezygapophyses; sprl, spinoprezygapophyseal lamina; tp, transverse process. Full-size DOI: 10.7717/peerj.14333/fig-21
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-DOI="http://doi.org/10.5281/zenodo.7437143" ID-Zenodo-Dep="7437143" httpUri="https://zenodo.org/record/7437143/files/figure.png" pageId="33" pageNumber="34" startId="33.[524,589,1385,1407]" targetBox="[499,1541,235,1372]" targetPageId="33">
|
||
<paragraph blockId="33.[524,1516,1385,1495]" pageId="33" pageNumber="34">
|
||
<emphasis bold="true" box="[524,1116,1385,1407]" pageId="33" pageNumber="34">
|
||
Figure 22 Middle caudal vertebrae of
|
||
<taxonomicName authorityName="Silva Junior & Martinelli & Marinho & da Silva & Langer" authorityYear="2022" box="[907,1110,1385,1407]" genus="Caieiria" pageId="33" pageNumber="34" rank="species" species="allocaudata">
|
||
<emphasis bold="true" box="[907,1110,1385,1407]" italics="true" pageId="33" pageNumber="34">Caieiria allocaudata</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
In (1) left lateral; (2) anterior; (3) dorsal; (4) right lateral; (5) posterior and (6) ventral views. Abbreviations: ns, neural spine; pocdf, postzygapophyseal centrodiapophyseal fossa; poz, postzygapophyses; prz, prezygapophyses; prsl, prespinal lamina; tp, transverse process. Full-size DOI: 10.7717/peerj.14333/fig-22
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph blockId="33.[498,1542,1550,1896]" pageId="33" pageNumber="34">
|
||
<bibRefCitation author="Campos DDA & Kellner AW & Bertini RJ & Santucci RM" box="[530,768,1630,1656]" journalOrPublisher="Arquivos do Museu Nacional" pageId="33" pageNumber="34" pagination="565 - 593" part="63" refId="ref17373" refString="Campos DDA, Kellner AW, Bertini RJ, Santucci RM. 2005. On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru group, Late Cretaceous of Brazil. Arquivos do Museu Nacional 63 (3): 565 - 593." title="On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru group, Late Cretaceous of Brazil" type="journal article" year="2005">
|
||
<emphasis box="[530,768,1630,1656]" italics="true" pageId="33" pageNumber="34">Campos et al. (2005)</emphasis>
|
||
</bibRefCitation>
|
||
proposed that the centra of the anterior tail vertebrae possess thin ventral margins that broaden towards the top and transverse processes with pronounced dorsal depressions, two in the anterior (2–5) and one in the middle caudal vertebrae.
|
||
</paragraph>
|
||
<paragraph blockId="33.[498,1542,1550,1896]" lastBlockId="34.[498,1542,234,1735]" lastPageId="34" lastPageNumber="35" pageId="33" pageNumber="34">
|
||
The 2
|
||
<superScript attach="left" box="[567,590,1744,1761]" fontSize="7" pageId="33" pageNumber="34">nd</superScript>
|
||
caudal vertebra possesses a deep muscular scar on its lateral face, followed by centra with lateral faces more deeply excavated than those at a similar serial position in
|
||
<taxonomicName baseAuthorityName="Kellner & Azevedo" baseAuthorityYear="1999" box="[498,768,1829,1855]" genus="Gondwanatitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="33" pageNumber="34" phylum="Chordata" rank="species" species="faustoi">
|
||
<emphasis box="[498,768,1829,1855]" italics="true" pageId="33" pageNumber="34">Gondwanatitan faustoi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Kellner AW & Azevedo SD" box="[786,1074,1829,1856]" journalOrPublisher="National Science Museum Monographs" pageId="33" pageNumber="34" pagination="142" part="15" refId="ref18524" refString="Kellner AW, Azevedo SD. 1999. A new sauropod dinosaur (Titanosauria) from the Late Cretaceous of Brazil. National Science Museum Monographs 15 (111): e 142." title="A new sauropod dinosaur (Titanosauria) from the Late Cretaceous of Brazil" type="journal article" year="1999">
|
||
<emphasis box="[786,1074,1829,1856]" italics="true" pageId="33" pageNumber="34">Kellner & Azevedo, 1999</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 6),
|
||
<taxonomicName authorityName="Calvo & Porfiri" authorityYear="2010" box="[1172,1526,1829,1855]" genus="Panamericansaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="33" pageNumber="34" phylum="Chordata" rank="species" species="schroederi">
|
||
<emphasis box="[1172,1526,1829,1855]" italics="true" pageId="33" pageNumber="34">Panamericansaurus schroederi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Porfiri J & Calvo JO" box="[508,759,1869,1895]" journalOrPublisher="Brazilian Geographical Journal: Geosciences and Humanities Research Medium" pageId="33" pageNumber="34" pagination="4" part="1" refId="ref19062" refString="Porfiri J, Calvo JO. 2010. Panamericansaurus schroederi gen. nov. sp. nov. un nuevo Sauropoda (Titanosauridae-Aeolosaurini) de la Provincia del Neuquen, Cretacico Superior de Patagonia, Argentina. Brazilian Geographical Journal: Geosciences and Humanities Research Medium 1 (1): 4." title="Panamericansaurus schroederi gen. nov. sp. nov. un nuevo Sauropoda (Titanosauridae-Aeolosaurini) de la Provincia del Neuquen, Cretacico Superior de Patagonia, Argentina" type="journal article" year="2010">
|
||
<emphasis box="[508,759,1869,1895]" italics="true" pageId="33" pageNumber="34">Porfiri & Calvo, 2010</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 3), and
|
||
<taxonomicName authorityName="Salgado & Carvalho" authorityYear="2008" box="[909,1029,1869,1895]" genus="Uberabatitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="33" pageNumber="34" phylum="Chordata" rank="species" species="ribeiroi">
|
||
<emphasis box="[909,1029,1869,1895]" italics="true" pageId="33" pageNumber="34">U. ribeiroi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Silva Junior JC & Martinelli AG & Iori FV & Marinho TS & Hechenleitner EM & Langer MC" box="[1048,1321,1869,1895]" journalOrPublisher="Historical Biology" pageId="33" pageNumber="34" pagination="403 - 411" part="34" refId="ref19504" refString="Silva Junior JC, Martinelli AG, Iori FV, Marinho TS, Hechenleitner EM, Langer MC. 2022. Reassessment of Aeolosaurus maximus, a titanosaur dinosaur from the Late Cretaceous of Southeastern Brazil. Historical Biology 34 (3): 403 - 411 DOI 10.1080 / 08912963.2021.1920016." title="Reassessment of Aeolosaurus maximus, a titanosaur dinosaur from the Late Cretaceous of Southeastern Brazil" type="journal article" year="2022">
|
||
<emphasis box="[1048,1321,1869,1895]" italics="true" pageId="33" pageNumber="34">Silva Junior et al., 2022</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 10). Also, anteriorly extended caudal prezygapophyses, with wide (dorsoventrally expanded) articular faces, are unique to MCT 1719-R among titanosaurs from the Serra da Galga Formation. These are about 70% the centrum length in middle caudal vertebrae, a proportion similar to that found on some
|
||
<emphasis box="[998,1144,354,380]" italics="true" pageId="34" pageNumber="35">Aeolosaurini</emphasis>
|
||
, such as
|
||
<taxonomicName authorityName="Powell" authorityYear="1987" box="[1254,1534,354,380]" family="Titanosauridae" genus="Aeolosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="rionegrinus">
|
||
<emphasis box="[1254,1534,354,380]" italics="true" pageId="34" pageNumber="35">Aeolosaurus rionegrinus</emphasis>
|
||
</taxonomicName>
|
||
(72%;
|
||
<bibRefCitation author="Powell JE" box="[573,719,394,420]" journalOrPublisher="Revista del Museo Argentino Ciencias Naturales" pageId="34" pageNumber="35" pagination="147 - 153" part="3" refId="ref19115" refString="Powell JE. 1987. The Late Cretaceous fauna of Los Alamitos, Patagonia, Argentina part VI - The Titanosaurids. Revista del Museo Argentino Ciencias Naturales, n. s. 3: 147 - 153." title="The Late Cretaceous fauna of Los Alamitos, Patagonia, Argentina part VI - The Titanosaurids" type="journal article" year="1987">
|
||
<emphasis box="[573,719,394,420]" italics="true" pageId="34" pageNumber="35">Powell, 1987</emphasis>
|
||
</bibRefCitation>
|
||
) and
|
||
<taxonomicName baseAuthorityName="Santucci & Arruda-Campos" baseAuthorityYear="2011" box="[790,1046,394,420]" genus="Arrudatitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="maximus">
|
||
<emphasis box="[790,1046,394,420]" italics="true" pageId="34" pageNumber="35">Arrudatitan maximus</emphasis>
|
||
</taxonomicName>
|
||
(76%;
|
||
<bibRefCitation author="Santucci RM & Arruda-Campos AD" box="[1129,1524,394,420]" journalOrPublisher="Zootaxa" pageId="34" pageNumber="35" pagination="1 - 33" part="3085" refId="ref19355" refString="Santucci RM, Arruda-Campos AD. 2011. A new sauropod (Macronaria, Titanosauria) from the Adamantina Formation, Bauru Group, Upper Cretaceous of Brazil and the phylogenetic relationships of Aeolosaurini. Zootaxa 3085 (1): 1 - 33 DOI 10.11646 / zootaxa. 3085.1.1." title="A new sauropod (Macronaria, Titanosauria) from the Adamantina Formation, Bauru Group, Upper Cretaceous of Brazil and the phylogenetic relationships of Aeolosaurini" type="journal article" year="2011">
|
||
<emphasis box="[1129,1524,394,420]" italics="true" pageId="34" pageNumber="35">Santucci & Arruda-Campos, 2011</emphasis>
|
||
</bibRefCitation>
|
||
). The latter also shares wide articular facets (
|
||
<bibRefCitation author="Santucci RM & Arruda-Campos AD" box="[1007,1400,433,460]" journalOrPublisher="Zootaxa" pageId="34" pageNumber="35" pagination="1 - 33" part="3085" refId="ref19355" refString="Santucci RM, Arruda-Campos AD. 2011. A new sauropod (Macronaria, Titanosauria) from the Adamantina Formation, Bauru Group, Upper Cretaceous of Brazil and the phylogenetic relationships of Aeolosaurini. Zootaxa 3085 (1): 1 - 33 DOI 10.11646 / zootaxa. 3085.1.1." title="A new sauropod (Macronaria, Titanosauria) from the Adamantina Formation, Bauru Group, Upper Cretaceous of Brazil and the phylogenetic relationships of Aeolosaurini" type="journal article" year="2011">
|
||
<emphasis box="[1007,1400,433,460]" italics="true" pageId="34" pageNumber="35">Santucci & Arruda-Campos, 2011</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 4) with MCT 1719-R, as well as with
|
||
<taxonomicName authority="(Hechenleitner et al., 2020)" baseAuthorityName="Hechenleitner" baseAuthorityYear="2020" box="[849,1405,473,500]" family="Titanosauridae" genus="Punatitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="coughlini">
|
||
<emphasis box="[849,1080,473,499]" italics="true" pageId="34" pageNumber="35">Punatitan coughlini</emphasis>
|
||
(
|
||
<bibRefCitation author="Hechenleitner EM & Leuzinger L & Martinelli AG & Rocher S & Fiorelli LE & Taborda JR & Salgado L." box="[1099,1395,473,499]" journalOrPublisher="Communications Biology" pageId="34" pageNumber="35" pagination="1 - 13" part="3" refId="ref18401" refString="Hechenleitner EM, Leuzinger L, Martinelli AG, Rocher S, Fiorelli LE, Taborda JR, Salgado L. 2020. Two Late Cretaceous sauropods reveal titanosaurian dispersal across South America. Communications Biology 3 (1): 1 - 13 DOI 10.1038 / s 42003 - 020 - 01338 - w." title="Two Late Cretaceous sauropods reveal titanosaurian dispersal across South America" type="journal article" year="2020">
|
||
<emphasis box="[1099,1395,473,499]" italics="true" pageId="34" pageNumber="35">Hechenleitner et al., 2020</emphasis>
|
||
</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph blockId="34.[498,1542,234,1735]" pageId="34" pageNumber="35">
|
||
As mentioned by
|
||
<bibRefCitation author="Campos DDA & Kellner AW & Bertini RJ & Santucci RM" box="[741,982,513,540]" journalOrPublisher="Arquivos do Museu Nacional" pageId="34" pageNumber="35" pagination="565 - 593" part="63" refId="ref17373" refString="Campos DDA, Kellner AW, Bertini RJ, Santucci RM. 2005. On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru group, Late Cretaceous of Brazil. Arquivos do Museu Nacional 63 (3): 565 - 593." title="On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru group, Late Cretaceous of Brazil" type="journal article" year="2005">
|
||
<emphasis box="[741,982,513,540]" italics="true" pageId="34" pageNumber="35">Campos et al. (2005)</emphasis>
|
||
</bibRefCitation>
|
||
, MCT 1719-R has articular surfaces for the haemal arches that are strongly developed from the third caudal vertebra until the last preserved element (20
|
||
<superScript attach="left" box="[756,774,587,604]" fontSize="7" pageId="34" pageNumber="35">th</superScript>
|
||
caudal vertebra). Although suggested as a unique feature of MCT 1719-R, a similar condition is present in
|
||
<taxonomicName authorityName="Salgado & Azpilicueta" authorityYear="2000" box="[965,1198,633,658]" family="Titanosauridae" genus="Rocasaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="muniozi">
|
||
<emphasis box="[965,1198,633,658]" italics="true" pageId="34" pageNumber="35">Rocasaurus muniozi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Salgado L & Azpilicueta C." box="[1214,1536,633,659]" journalOrPublisher="Ameghiniana" pageId="34" pageNumber="35" pagination="259 - 264" part="37" refId="ref19224" refString="Salgado L, Azpilicueta C. 2000. Un nuevo saltasaurino (Sauropoda, Titanosauridae) de la provincia de Rio Negro (Formacion Allen, Cretacico Superior), Patagonia, Argentina. Ameghiniana 37 (3): 259 - 264." title="Un nuevo saltasaurino (Sauropoda, Titanosauridae) de la provincia de Rio Negro (Formacion Allen, Cretacico Superior), Patagonia, Argentina" type="journal article" year="2000">
|
||
<emphasis box="[1214,1536,633,659]" italics="true" pageId="34" pageNumber="35">Salgado & Azpilicueta, 2000</emphasis>
|
||
</bibRefCitation>
|
||
; figs. 6 and 8) and
|
||
<taxonomicName authorityName="Salgado & Carvalho" authorityYear="2008" box="[714,834,673,699]" genus="Uberabatitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="ribeiroi">
|
||
<emphasis box="[714,834,673,699]" italics="true" pageId="34" pageNumber="35">U. ribeiroi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Silva Junior JC & Martinelli AG & Iori FV & Marinho TS & Hechenleitner EM & Langer MC" box="[853,1125,673,699]" journalOrPublisher="Historical Biology" pageId="34" pageNumber="35" pagination="403 - 411" part="34" refId="ref19504" refString="Silva Junior JC, Martinelli AG, Iori FV, Marinho TS, Hechenleitner EM, Langer MC. 2022. Reassessment of Aeolosaurus maximus, a titanosaur dinosaur from the Late Cretaceous of Southeastern Brazil. Historical Biology 34 (3): 403 - 411 DOI 10.1080 / 08912963.2021.1920016." title="Reassessment of Aeolosaurus maximus, a titanosaur dinosaur from the Late Cretaceous of Southeastern Brazil" type="journal article" year="2022">
|
||
<emphasis box="[853,1125,673,699]" italics="true" pageId="34" pageNumber="35">Silva Junior et al., 2022</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 10). Finally, the presence of well-developed transverse processes along the anterior and middle (1–20) caudal vertebrae was also proposed as unique to MCT 1719-R (
|
||
<bibRefCitation author="Campos DDA & Kellner AW & Bertini RJ & Santucci RM" box="[1050,1279,752,779]" journalOrPublisher="Arquivos do Museu Nacional" pageId="34" pageNumber="35" pagination="565 - 593" part="63" refId="ref17373" refString="Campos DDA, Kellner AW, Bertini RJ, Santucci RM. 2005. On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru group, Late Cretaceous of Brazil. Arquivos do Museu Nacional 63 (3): 565 - 593." title="On a titanosaurid (Dinosauria, Sauropoda) vertebral column from the Bauru group, Late Cretaceous of Brazil" type="journal article" year="2005">
|
||
<emphasis box="[1050,1279,752,779]" italics="true" pageId="34" pageNumber="35">Campos et al., 2005</emphasis>
|
||
</bibRefCitation>
|
||
). In fact, some other titanosaurs—
|
||
<emphasis box="[653,684,793,818]" italics="true" pageId="34" pageNumber="35">e.g</emphasis>
|
||
.,
|
||
<taxonomicName baseAuthorityName="Santucci & Arruda-Campos" baseAuthorityYear="2011" box="[705,858,793,819]" genus="Arrudatitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="maximus">
|
||
<emphasis box="[705,858,793,819]" italics="true" pageId="34" pageNumber="35">Ar. maximus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Santucci RM & Arruda-Campos AD" box="[876,1271,792,819]" journalOrPublisher="Zootaxa" pageId="34" pageNumber="35" pagination="1 - 33" part="3085" refId="ref19355" refString="Santucci RM, Arruda-Campos AD. 2011. A new sauropod (Macronaria, Titanosauria) from the Adamantina Formation, Bauru Group, Upper Cretaceous of Brazil and the phylogenetic relationships of Aeolosaurini. Zootaxa 3085 (1): 1 - 33 DOI 10.11646 / zootaxa. 3085.1.1." title="A new sauropod (Macronaria, Titanosauria) from the Adamantina Formation, Bauru Group, Upper Cretaceous of Brazil and the phylogenetic relationships of Aeolosaurini" type="journal article" year="2011">
|
||
<emphasis box="[876,1271,792,819]" italics="true" pageId="34" pageNumber="35">Santucci & Arruda-Campos, 2011</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 4) and
|
||
<taxonomicName authorityName="Salgado & Carvalho" authorityYear="2008" box="[1415,1535,792,818]" genus="Uberabatitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="ribeiroi">
|
||
<emphasis box="[1415,1535,792,818]" italics="true" pageId="34" pageNumber="35">U. ribeiroi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Silva Junior JC & Martinelli AG & Iori FV & Marinho TS & Hechenleitner EM & Langer MC" box="[508,781,832,858]" journalOrPublisher="Historical Biology" pageId="34" pageNumber="35" pagination="403 - 411" part="34" refId="ref19504" refString="Silva Junior JC, Martinelli AG, Iori FV, Marinho TS, Hechenleitner EM, Langer MC. 2022. Reassessment of Aeolosaurus maximus, a titanosaur dinosaur from the Late Cretaceous of Southeastern Brazil. Historical Biology 34 (3): 403 - 411 DOI 10.1080 / 08912963.2021.1920016." title="Reassessment of Aeolosaurus maximus, a titanosaur dinosaur from the Late Cretaceous of Southeastern Brazil" type="journal article" year="2022">
|
||
<emphasis box="[508,781,832,858]" italics="true" pageId="34" pageNumber="35">Silva Junior et al., 2022</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 9)—possess transverse processes as long as those of MCT 1719-R (
|
||
<figureCitation box="[601,690,872,898]" captionStart="Figure 21" captionStartId="32.[524,589,1800,1822]" captionTargetBox="[500,1495,236,1770]" captionTargetId="figure-8@32.[498,1497,234,1772]" captionTargetPageId="32" captionText="Figure 21 Anterior caudal vertebrae of Caieiria allocaudata (MCT 1719-R). In (1) left lateral; (2) anterior; (3) dorsal; (4) right lateral; (5) posterior and (6) ventral views. Abbreviations: ns, neural spine; pocdf, postzygapophyseal centrodiapophyseal fossa prz, prezygapophyses; sprl, spinoprezygapophyseal lamina; tp, transverse process. Full-size DOI: 10.7717/peerj.14333/fig-21" figureDoi="http://doi.org/10.5281/zenodo.7437141" httpUri="https://zenodo.org/record/7437141/files/figure.png" pageId="34" pageNumber="35">Figs. 21</figureCitation>
|
||
and
|
||
<figureCitation box="[750,778,872,898]" captionStart="Figure 22" captionStartId="33.[524,589,1385,1407]" captionTargetBox="[499,1541,235,1372]" captionTargetId="figure-141@33.[498,1527,234,1357]" captionTargetPageId="33" captionText="Figure 22 Middle caudal vertebrae of Caieiria allocaudata. In (1) left lateral; (2) anterior; (3) dorsal; (4) right lateral; (5) posterior and (6) ventral views. Abbreviations: ns, neural spine; pocdf, postzygapophyseal centrodiapophyseal fossa; poz, postzygapophyses; prz, prezygapophyses; prsl, prespinal lamina; tp, transverse process. Full-size DOI: 10.7717/peerj.14333/fig-22" figureDoi="http://doi.org/10.5281/zenodo.7437143" httpUri="https://zenodo.org/record/7437143/files/figure.png" pageId="34" pageNumber="35">22</figureCitation>
|
||
), almost reaching the posterior margin of the condyles, although less developed in more posterior vertebrae. Yet, those of MCT 1719-R are unique because they are strongly expanded dorsoventrally, to almost half the centrum height, including those of middle caudal vertebrae. As for the persistence of the transverse processes minimally until the twentieth caudal vertebra; this feature is also present in
|
||
<taxonomicName family="Aeolosauridae" genus="Overosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="paradosorum">
|
||
<emphasis italics="true" pageId="34" pageNumber="35">Overosaurus paradosorum</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Coria RA & Filippi LS & Chiappe LM & Garcia R & Arcucci AB" box="[670,868,1071,1098]" journalOrPublisher="Zootaxa" pageId="34" pageNumber="35" pagination="357 - 376" part="3683" refId="ref17775" refString="Coria RA, Filippi LS, Chiappe LM, Garcia R, Arcucci AB. 2013. Overosaurus paradasorum gen. et sp. nov., a new sauropod dinosaur (Titanosauria: Lithostrotia) from the Late Cretaceous of Neuquen, Patagonia, Argentina. Zootaxa 3683 (4): 357 - 376 DOI 10.11646 / zootaxa. 3683.4.2." title="Overosaurus paradasorum gen. et sp. nov., a new sauropod dinosaur (Titanosauria: Lithostrotia) from the Late Cretaceous of Neuquen, Patagonia, Argentina" type="journal article" year="2013">
|
||
<emphasis box="[670,868,1071,1098]" italics="true" pageId="34" pageNumber="35">Coria et al., 2013</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 6) and
|
||
<taxonomicName box="[1008,1144,1071,1097]" family="Titanosauridae" genus="Punatitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="coughlini">
|
||
<emphasis box="[1008,1144,1071,1097]" italics="true" pageId="34" pageNumber="35">P. coughlini</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Hechenleitner EM & Leuzinger L & Martinelli AG & Rocher S & Fiorelli LE & Taborda JR & Salgado L." box="[1162,1454,1071,1097]" journalOrPublisher="Communications Biology" pageId="34" pageNumber="35" pagination="1 - 13" part="3" refId="ref18401" refString="Hechenleitner EM, Leuzinger L, Martinelli AG, Rocher S, Fiorelli LE, Taborda JR, Salgado L. 2020. Two Late Cretaceous sauropods reveal titanosaurian dispersal across South America. Communications Biology 3 (1): 1 - 13 DOI 10.1038 / s 42003 - 020 - 01338 - w." title="Two Late Cretaceous sauropods reveal titanosaurian dispersal across South America" type="journal article" year="2020">
|
||
<emphasis box="[1162,1454,1071,1097]" italics="true" pageId="34" pageNumber="35">Hechenleitner et al., 2020</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 2).
|
||
</paragraph>
|
||
<paragraph blockId="34.[498,1542,234,1735]" pageId="34" pageNumber="35">
|
||
Our comparative review has shown the presence of yet another unique feature of MCT 1719-R: the presence of deep postzygapophyseal-centrodiapophyseal fossae, expanding anteromedially on the dorsal margin of the neural arch (
|
||
<figureCitation box="[1143,1230,1191,1217]" captionStart="Figure 21" captionStartId="32.[524,589,1800,1822]" captionTargetBox="[500,1495,236,1770]" captionTargetId="figure-8@32.[498,1497,234,1772]" captionTargetPageId="32" captionText="Figure 21 Anterior caudal vertebrae of Caieiria allocaudata (MCT 1719-R). In (1) left lateral; (2) anterior; (3) dorsal; (4) right lateral; (5) posterior and (6) ventral views. Abbreviations: ns, neural spine; pocdf, postzygapophyseal centrodiapophyseal fossa prz, prezygapophyses; sprl, spinoprezygapophyseal lamina; tp, transverse process. Full-size DOI: 10.7717/peerj.14333/fig-21" figureDoi="http://doi.org/10.5281/zenodo.7437141" httpUri="https://zenodo.org/record/7437141/files/figure.png" pageId="34" pageNumber="35">Figs. 21</figureCitation>
|
||
,
|
||
<figureCitation box="[1242,1270,1191,1217]" captionStart="Figure 22" captionStartId="33.[524,589,1385,1407]" captionTargetBox="[499,1541,235,1372]" captionTargetId="figure-141@33.[498,1527,234,1357]" captionTargetPageId="33" captionText="Figure 22 Middle caudal vertebrae of Caieiria allocaudata. In (1) left lateral; (2) anterior; (3) dorsal; (4) right lateral; (5) posterior and (6) ventral views. Abbreviations: ns, neural spine; pocdf, postzygapophyseal centrodiapophyseal fossa; poz, postzygapophyses; prz, prezygapophyses; prsl, prespinal lamina; tp, transverse process. Full-size DOI: 10.7717/peerj.14333/fig-22" figureDoi="http://doi.org/10.5281/zenodo.7437143" httpUri="https://zenodo.org/record/7437143/files/figure.png" pageId="34" pageNumber="35">22</figureCitation>
|
||
). This condition differs from that of other titanosaurs, in which this fossa is present but does not expand medially, as for instance in
|
||
<taxonomicName authorityName="Kellner, Campos & Trotta" authorityYear="2005" box="[705,814,1270,1296]" family="Titanosauridae" genus="Baurutitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="britoi">
|
||
<emphasis box="[705,814,1270,1296]" italics="true" pageId="34" pageNumber="35">Ba. britoi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation box="[831,930,1270,1296]" captionStart="Figure 20" captionStartId="28.[524,589,1021,1043]" captionTargetBox="[498,1541,234,1008]" captionTargetId="figure-235@28.[498,1519,234,993]" captionTargetPageId="28" captionText="Figure 20 Caudal elements of Baurutitan britoi and BR-262 specimens. (A) Anterior caudal vertebra of BR-262 specimens in left lateral and dorsal views.(B) Anterior caudal vertebra of B. britoi in left lateral and dorsal views. (C) Mid-posterior caudal vertebrae of BR-262 specimens in left lateral views. (D) Mid-posterior caudal vertebrae of B. britoi in left lateral views. (E) Chevrons of BR-262 specimens in anterior view. (F) Chevrons of B. britoi in anterior view. Abbreviations: alc, anterolateral projecting crest; hc, haemal canal; ns, neural spines; sprl, spinoprezygapophyseal lamina; tp, transverse process. Scale for anterior vertebrae: 20 cm; scale for mid-posterior vertebrae: 15 cm; scale for chevrons: 10 cm. Full-size DOI: 10.7717/peerj.14333/fig-20" figureDoi="http://doi.org/10.5281/zenodo.7437139" httpUri="https://zenodo.org/record/7437139/files/figure.png" pageId="34" pageNumber="35">Fig. 20D</figureCitation>
|
||
:
|
||
<bibRefCitation author="Kellner AW & Campos DDA & Trotta MNF" box="[945,1314,1270,1297]" journalOrPublisher="Arquivos do Museu Nacional" pageId="34" pageNumber="35" pagination="529 - 564" part="63" refId="ref18558" refString="Kellner AW, Campos DDA, Trotta MNF. 2005. Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil. Arquivos do Museu Nacional 63 (3): 529 - 564." title="Description of a titanosaurid caudal series from the Bauru Group, Late Cretaceous of Brazil" type="journal article" year="2005">
|
||
<emphasis box="[945,1314,1270,1297]" italics="true" pageId="34" pageNumber="35">Kellner, Campos & Trotta, 2005</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 18),
|
||
<taxonomicName authorityName="Salgado & Carvalho" authorityYear="2008" box="[1423,1541,1270,1296]" genus="Uberabatitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="ribeiroi">
|
||
<emphasis box="[1423,1541,1270,1296]" italics="true" pageId="34" pageNumber="35">U. ribeiroi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Silva Junior JCG & Marinho TS & Martinelli AG & Langer MC" box="[508,781,1310,1336]" journalOrPublisher="Zootaxa" pageId="34" pageNumber="35" pagination="401 - 438" part="4577" refId="ref19451" refString="Silva Junior JCG, Marinho TS, Martinelli AG, Langer MC. 2019. Osteology and systematics of Uberabatitan ribeiroi (Dinosauria; Sauropoda): a Late Cretaceous titanosaur from Minas Gerais, Brazil. Zootaxa 4577 (3): 401 - 438 DOI 10.11646 / zootaxa. 4577.3.1." title="Osteology and systematics of Uberabatitan ribeiroi (Dinosauria; Sauropoda): a Late Cretaceous titanosaur from Minas Gerais, Brazil" type="journal article" year="2019">
|
||
<emphasis box="[508,781,1310,1336]" italics="true" pageId="34" pageNumber="35">Silva Junior et al., 2019</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 9), and the BR-262 specimens. Awell-developed postzygapophyseal-centrodiapophyseal fossa is also present in
|
||
<taxonomicName authorityName="Santucci & Bertini" authorityYear="2006" box="[1222,1542,1350,1376]" genus="Adamantisaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="mezzalirai">
|
||
<emphasis box="[1222,1542,1350,1376]" italics="true" pageId="34" pageNumber="35">Adamantisaurus mezzalirai</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Santucci RM & Bertini RJ" box="[508,790,1390,1416]" journalOrPublisher="Palaeontology" pageId="34" pageNumber="35" pagination="59 - 66" part="49" refId="ref19406" refString="Santucci RM, Bertini RJ. 2006. A new titanosaur from western Sao Paulo state, upper Cretaceous Bauru Group, south-east Brazil. Palaeontology 49 (1): 59 - 66 DOI 10.1111 / j. 1475 - 4983.2005.00527. x." title="A new titanosaur from western Sao Paulo state, upper Cretaceous Bauru Group, south-east Brazil" type="journal article" year="2006">
|
||
<emphasis box="[508,790,1390,1416]" italics="true" pageId="34" pageNumber="35">Santucci & Bertini, 2006</emphasis>
|
||
</bibRefCitation>
|
||
; plate 1), but restricted to the most anterior vertebrae and not as deep as in MCT 1719-R. Deep postzygapophyseal-centrodiapophyseal fossae are also present in
|
||
<taxonomicName box="[625,935,1470,1496]" genus="Narambuenatitan" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="palomoi">
|
||
<emphasis box="[625,935,1470,1496]" italics="true" pageId="34" pageNumber="35">Narambuenatitan palomoi</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Filippi LS & Garcia RA & Garrido AC" box="[954,1323,1470,1496]" journalOrPublisher="Acta Palaeontologica Polonica" pageId="34" pageNumber="35" pagination="505 - 520" part="56" refId="ref17975" refString="Filippi LS, Garcia RA, Garrido AC. 2011. A new titanosaur sauropod dinosaur from the Upper Cretaceous of North Patagonia, Argentina. Acta Palaeontologica Polonica 56 (3): 505 - 520 DOI 10.4202 / app. 2010.0019." title="A new titanosaur sauropod dinosaur from the Upper Cretaceous of North Patagonia, Argentina" type="journal article" year="2011">
|
||
<emphasis box="[954,1323,1470,1496]" italics="true" pageId="34" pageNumber="35">Filippi, García & Garrido, 2011</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 8) and
|
||
<taxonomicName authorityName="González-Riga" authorityYear="2003" box="[498,804,1509,1535]" family="Titanosauridae" genus="Mendozasaurus" higherTaxonomySource="GBIF" kingdom="Animalia" pageId="34" pageNumber="35" phylum="Chordata" rank="species" species="neguyelap">
|
||
<emphasis box="[498,804,1509,1535]" italics="true" pageId="34" pageNumber="35">Mendozasaurus neguyelap</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Gonzalez Riga BJ & Mannion PD & Poropat SF & Ortiz David LD & Coria JP" box="[823,1126,1509,1535]" journalOrPublisher="Zoological Journal of the Linnean Society" pageId="34" pageNumber="35" pagination="136 - 181" part="184" refId="ref18236" refString="Gonzalez Riga BJ, Mannion PD, Poropat SF, Ortiz David LD, Coria JP. 2018. Osteology of the Late Cretaceous Argentinean sauropod dinosaur Mendozasaurus neguyelap: implications for basal titanosaur relationships. Zoological Journal of the Linnean Society 184 (1): 136 - 181 DOI 10.1093 / zoolinnean / zlx 103." title="Osteology of the Late Cretaceous Argentinean sauropod dinosaur Mendozasaurus neguyelap: implications for basal titanosaur relationships" type="journal article" year="2018">
|
||
<emphasis box="[823,1126,1509,1535]" italics="true" pageId="34" pageNumber="35">González Riga et al., 2018</emphasis>
|
||
</bibRefCitation>
|
||
; fig. 9), although these are dorsoventrally expanded in the former, reaching the neural canal, and limited medially by a centropostzygapophyseal lamina in the latter.
|
||
</paragraph>
|
||
<paragraph blockId="34.[498,1542,234,1735]" pageId="34" pageNumber="35">In conclusion, the uniqueness of MCT 1719-R among Bauru Group and other South American titanosaurs, including the presence of autapomorphic features (see below), warrants the proposition of a new taxon to accommodate the specimen.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |