111 lines
9.3 KiB
XML
111 lines
9.3 KiB
XML
<document ID-DOI="http://doi.org/10.5281/zenodo.4740023" ID-GBIF-Dataset="9bae3d9b-2f03-42ee-9a8e-ac6d8a61f7e6" ID-GBIF-Taxon="159131946" ID-Zenodo-Dep="4740023" approvalRequired="5" approvalRequired_for_illustrations="1" approvalRequired_for_treatments="4" checkinTime="1565946935889" checkinUser="jeremy" docAuthor="Marsh, O. C." docDate="1890" docId="03EFCB47FFFE270407B5FEB7DDA203CC" docLanguage="en" docName="Marsh1890ABBYY.pdf.imf" docOrigin="American Journal of Science 39 (229)" docStyle="DocumentStyle{}" docTitle="Ceratops paucidens" docType="treatment" docVersion="16" lastPageNumber="83" masterDocId="FFD6B33FFFFC27060556FF9DDE2D0B7B" masterDocTitle="Description of new dinosaurian reptiles" masterLastPageNumber="87" masterPageNumber="81" pageId="2" pageNumber="83" updateTime="1643599430839" updateUser="ExternalLinkService">
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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>Description of new dinosaurian reptiles</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:role>
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<mods:namePart>Marsh, O. C.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>American Journal of Science</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>1890</mods:date>
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<mods:detail type="pubDate">
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<mods:number>1890-01-31</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>39</mods:number>
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</mods:detail>
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<mods:detail type="issue">
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<mods:number>229</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>81</mods:start>
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<mods:end>87</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">10.5281/zenodo.3375239</mods:identifier>
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<mods:identifier type="GBIF-Dataset">9bae3d9b-2f03-42ee-9a8e-ac6d8a61f7e6</mods:identifier>
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<mods:identifier type="Zenodo-Dep">3375239</mods:identifier>
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<mods:identifier type="ZooBank">2B442B66-390A-4217-A502-276BD9BEDB55</mods:identifier>
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</mods:mods>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.4740023" ID-GBIF-Taxon="159131946" ID-Zenodo-Dep="4740023" LSID="urn:lsid:plazi:treatment:03EFCB47FFFE270407B5FEB7DDA203CC" httpUri="http://treatment.plazi.org/id/03EFCB47FFFE270407B5FEB7DDA203CC" lastPageNumber="83" pageId="2" pageNumber="83">
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<subSubSection box="[739,1085,298,334]" pageId="2" pageNumber="83" type="nomenclature">
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<paragraph blockId="2.[325,1495,295,960]" box="[739,1085,298,334]" pageId="2" pageNumber="83">
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<emphasis box="[739,1085,298,334]" italics="true" pageId="2" pageNumber="83">
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<taxonomicName baseAuthorityName="Marsh" baseAuthorityYear="1889" box="[739,1080,298,334]" class="Reptilia" family="Ceratopsidae" genus="Ceratops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="83" phylum="Chordata" rank="species" species="paucidens">Ceratops paucidens</taxonomicName>
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.
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="83" type="description">
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<paragraph blockId="2.[325,1495,295,960]" pageId="2" pageNumber="83">
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The specimen recently described by the writer under the name
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<emphasis box="[443,911,407,445]" italics="true" pageId="2" pageNumber="83">
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<taxonomicName authorityName="Marsh" authorityYear="1889" box="[443,893,407,445]" class="Reptilia" family="Hadrosauridae" genus="Hadrosaurus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="83" phylum="Chordata" rank="species" species="paucidens">Hadrosaurus paucidens</taxonomicName>
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*
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</emphasis>
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should probably be referred to the genus
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<emphasis box="[527,690,450,488]" italics="true" pageId="2" pageNumber="83">
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<taxonomicName authorityName="Marsh" authorityYear="1888" box="[527,683,450,488]" class="Reptilia" family="Ceratopsidae" genus="Ceratops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="83" phylum="Chordata" rank="genus">Ceratops</taxonomicName>
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,
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</emphasis>
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as a comparison with more perfect specimens indicates a much closer affinity with that genus than at first supposed. In addition to the maxillary described, one of the premaxillaries is in good preservation. This agrees in general features with the corresponding bone in
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<emphasis box="[1190,1413,621,659]" italics="true" pageId="2" pageNumber="83">
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<taxonomicName authorityName="Marsh" authorityYear="1889" box="[1190,1406,621,659]" class="Reptilia" family="Ceratopsidae" genus="Triceratops" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="83" phylum="Chordata" rank="genus">Triceratops</taxonomicName>
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,
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</emphasis>
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but is less specialized. Its inner surface is deeply concave, showing that the two premaxillaries did not meet each other closely, as in
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<emphasis box="[437,657,749,787]" italics="true" pageId="2" pageNumber="83">
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<taxonomicName authorityName="Marsh" authorityYear="1889" box="[437,650,749,787]" class="Reptilia" family="Ceratopsidae" genus="Triceratops" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="83" phylum="Chordata" rank="genus">Triceratops</taxonomicName>
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,
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</emphasis>
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but apparently only in front. This species, as well as the type of the genus,
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<emphasis box="[931,1292,792,830]" italics="true" pageId="2" pageNumber="83">
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<taxonomicName baseAuthorityName="Marsh" baseAuthorityYear="1888" box="[931,1285,792,830]" class="Reptilia" family="Ceratopsidae" genus="Ceratops" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="83" phylum="Chordata" rank="species" species="montanus">Ceratops montanus</taxonomicName>
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,
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</emphasis>
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represents smaller, less specialized forms of the family, and may be from a lower geological horizon than the gigantic reptiles which the writer has recently made known.
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</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">
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In addition to the special characters of the
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<taxonomicName authorityName="Marsh" authorityYear="1888" box="[1269,1506,1039,1077]" class="Reptilia" family="Ceratopsidae" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="83" phylum="Chordata" rank="family">
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<emphasis box="[1269,1506,1039,1077]" italics="true" pageId="2" pageNumber="83">Ceratopsidae</emphasis>
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</taxonomicName>
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shown in the skull, as stated by the writer in this Journal (vol. xxxviii, p. 505), the following features seen in other parts of the skeleton may be mentioned:
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</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">(1) The atlas and axis, and one or more adjoining cervical vertebrge are coössified with each other.</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">(2) Their cervical ribs are likewise firmly united with the same vertebrae.</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">(3) The remaining cervical vertebrae are short, and have the articular faces of the centra nearly flat.</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">
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(4) The trunk vertebrae have very short centra, with flat articular ends. Above the centra, they resemble the vertebrae of
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<emphasis box="[380,610,1553,1591]" italics="true" pageId="2" pageNumber="83">
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<taxonomicName authorityName="Marsh" authorityYear="1877" box="[380,605,1553,1591]" class="Reptilia" family="Stegosauridae" genus="Stegosaurus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="83" phylum="Chordata" rank="genus">Stegosaurus</taxonomicName>
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.
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</emphasis>
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</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">(5) The sacrum was strengthened by union with several adjacent vertebrae.</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">(6) The caudal vertebrae are short and rugose, and the tail was of moderate length.</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">(7) The ilium is elongated, especially in front; the ischium slender, and directed backward.</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">(8) The pubis extended forward, and its posterior branch was wanting.</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">(9) The limbs were short and massive, and all four were used in locomotion.</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">
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(10) The feet were all provided with broad hoofs, as in
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<emphasis box="[328,554,2066,2104]" italics="true" pageId="2" pageNumber="83">
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<taxonomicName authorityName="Marsh" authorityYear="1877" box="[328,549,2066,2104]" class="Reptilia" family="Stegosauridae" genus="Stegosaurus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Dinosauria" pageId="2" pageNumber="83" phylum="Chordata" rank="genus">Stegosaurus</taxonomicName>
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.
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</emphasis>
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</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" box="[371,1489,2108,2147]" pageId="2" pageNumber="83">(11) The bones of the skeleton all appear to have been solid.</paragraph>
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<paragraph blockId="2.[327,1506,1037,2232]" pageId="2" pageNumber="83">(12) Dermal ossifications were present, and some species were protected by heavy armor.</paragraph>
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</subSubSection>
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</treatment>
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</document> |