229 lines
23 KiB
XML
229 lines
23 KiB
XML
<document id="1270D9DF7AFE7B5BF6759A3530696B67" ID-DOI="10.1206/648.1" ID-ISSN="0003-0082" ID-Zenodo-Dep="5357410" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630220101912" checkinUser="carolina" docAuthor="Norell, Mark A., Makovicky, Peter J., Bever, Gabe S., Balanoff, Amy M., Clark, James M., Barsbold, Rinchen & Rowe, Timothy" docDate="2009" docId="03A6E839FFAFFFBEFF44BB73FE5D1FDB" docLanguage="en" docName="N3654.pdf" docOrigin="American Museum Novitates 3654" docSource="http://www.bioone.org/doi/abs/10.1206/648.1" docStyle="DocumentStyle:70DDF1BDF6846024993F05262BAE3001.3:AmMusNovit.2000-2010.journal_article.type1" docStyleId="70DDF1BDF6846024993F05262BAE3001" docStyleName="AmMusNovit.2000-2010.journal_article.type1" docStyleVersion="3" docTitle="Saurornithoides Osborn 1924" docType="treatment" docVersion="4" lastPageNumber="4" masterDocId="FF9F9041FFACFFBAFFF2BE1DFFE31D24" masterDocTitle="A Review of the Mongolian Cretaceous Dinosaur Saurornithoides (Troodontidae: Theropoda)" masterLastPageNumber="64" masterPageNumber="1" pageNumber="4" updateTime="1699191067590" updateUser="plazi" zenodo-license-document="CC-BY-4.0">
|
|
<mods:mods id="6517194DC86451EFCE569D8F60C50544" xmlns:mods="http://www.loc.gov/mods/v3">
|
|
<mods:titleInfo id="B4C8E5EDDBDC4E82B95DFB350BE46F60">
|
|
<mods:title id="5909DB58E560E196790811761C68DBDA">A Review of the Mongolian Cretaceous Dinosaur Saurornithoides (Troodontidae: Theropoda)</mods:title>
|
|
</mods:titleInfo>
|
|
<mods:name id="92A10E5B2E25D4B9AC978DE028F642A4" type="personal">
|
|
<mods:role id="7AEA8DA33114FCA5598AA59888832142">
|
|
<mods:roleTerm id="6960AF2F6F18FEBAFA20D4B95D94FBB3">Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart id="0B68642F3C5A2FDA0EAF1F2546B21ABF">Norell, Mark A.</mods:namePart>
|
|
</mods:name>
|
|
<mods:name id="05FB898945C17B328B42BA35DDEB9C4B" type="personal">
|
|
<mods:role id="7638FF756D2ACDAD8C0EDED1C49F1C91">
|
|
<mods:roleTerm id="8B136EDE22379919B49C23B7B3F1795F">Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart id="BFA107818CB7A03B7EBD281AED9072BE">Makovicky, Peter J.</mods:namePart>
|
|
</mods:name>
|
|
<mods:name id="F2AE2DF6B4EA635387AA86D573C836A8" type="personal">
|
|
<mods:role id="B5A70515553F32DA9AE002D0A2EC37AB">
|
|
<mods:roleTerm id="B204FA6F28342470D39D9D6721A40899">Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart id="F1BC01C75490E44BAF0FCFE2A0B359AB">Bever, Gabe S.</mods:namePart>
|
|
</mods:name>
|
|
<mods:name id="2C63F7BE1112A397528F71528E1E9DBA" type="personal">
|
|
<mods:role id="F810B82BB84132999A8FEA6BB2F05066">
|
|
<mods:roleTerm id="E221D0C04C19AB90C000391CADF55062">Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart id="01715D02D89CF1948360EE0C61164328">Balanoff, Amy M.</mods:namePart>
|
|
</mods:name>
|
|
<mods:name id="88AB84BE3B9DACF8D5B3BE41B25081DC" type="personal">
|
|
<mods:role id="3CBC4A6397405CF4E91B7B827458A117">
|
|
<mods:roleTerm id="789CD3071C0A8C916BD24650E66C3FE8">Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart id="94E515F4E675371F71A99480FDEF6C46">Clark, James M.</mods:namePart>
|
|
</mods:name>
|
|
<mods:name id="1EF6EE026371EEBA397137C797BC95AA" type="personal">
|
|
<mods:role id="4897DB1F0E3465928CCCE7D4C25BB8B3">
|
|
<mods:roleTerm id="5E635EC7614D910EF263F3B88D8428EF">Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart id="E05FC24E83E3BBF34B7AA6C92E932027">Barsbold, Rinchen</mods:namePart>
|
|
</mods:name>
|
|
<mods:name id="0D90423E937A8325BF599D2FD4E204E3" type="personal">
|
|
<mods:role id="50720E2B69C7E6BD080EBCD13C282BF3">
|
|
<mods:roleTerm id="FF9D48BF655A4F714D67C75AE64FB328">Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart id="530537E20B27A69ABC4E8271E964F5A1">Rowe, Timothy</mods:namePart>
|
|
</mods:name>
|
|
<mods:typeOfResource id="439B213A4E3A654EF1C9437B6992044A">text</mods:typeOfResource>
|
|
<mods:relatedItem id="4838E36CEA23CD5D2246446F2A4F7F74" type="host">
|
|
<mods:titleInfo id="882438DD83DE552A9F0D87981D25289F">
|
|
<mods:title id="2896B4D63443ADA0FCEE384B77B985E0">American Museum Novitates</mods:title>
|
|
</mods:titleInfo>
|
|
<mods:part id="D005F847B64DAFD5A88666F3A613FA87">
|
|
<mods:date id="57294F96B2B7EE0325B3B6F5612ACAD9">2009</mods:date>
|
|
<mods:detail id="E4FCE73289C899F7911915464D479B13" type="pubDate">
|
|
<mods:number id="602208D78B48F1173BC5D6C9C6CB1C09">2009-06-25</mods:number>
|
|
</mods:detail>
|
|
<mods:detail id="35875FB0C3F864A76258ADBDEF4FC20B" type="volume">
|
|
<mods:number id="F11515D9670642E41244BDD2A04794EE">3654</mods:number>
|
|
</mods:detail>
|
|
<mods:extent id="0ACFB9E06154BC2648FCB6BDA391625E" unit="page">
|
|
<mods:start id="97C73F47D39DBD1A3A3A454D7599DDD7">1</mods:start>
|
|
<mods:end id="439D192D07B13DC173A35B69DFFB83F0">64</mods:end>
|
|
</mods:extent>
|
|
</mods:part>
|
|
</mods:relatedItem>
|
|
<mods:location id="14946299F46C52DE4570C771EED468CA">
|
|
<mods:url id="016944108B1385D570F353EB1E1F73D4">http://www.bioone.org/doi/abs/10.1206/648.1</mods:url>
|
|
</mods:location>
|
|
<mods:classification id="4D674A75D846B5499F0E307C1FD8ED45">journal article</mods:classification>
|
|
<mods:identifier id="F47D2F5479A806F48A01B58646C5ABDF" type="DOI">10.1206/648.1</mods:identifier>
|
|
<mods:identifier id="2E43A71A08EC41791717AC047507A3F0" type="ISSN">0003-0082</mods:identifier>
|
|
<mods:identifier id="342C25E1E3F83B36D61C236568F612A8" type="Zenodo-Dep">5357410</mods:identifier>
|
|
</mods:mods>
|
|
<treatment id="03A6E839FFAFFFBEFF44BB73FE5D1FDB" ID-DOI="http://doi.org/10.5281/zenodo.5454724" ID-Zenodo-Dep="5454724" LSID="urn:lsid:plazi:treatment:03A6E839FFAFFFBEFF44BB73FE5D1FDB" httpUri="http://treatment.plazi.org/id/03A6E839FFAFFFBEFF44BB73FE5D1FDB" lastPageId="4" lastPageNumber="4" pageId="3" pageNumber="4">
|
|
<subSubSection id="C3150AA4FFAFFFB9FF44BB73FDEB18A2" box="[182,520,1390,1414]" pageId="3" pageNumber="4" type="nomenclature">
|
|
<paragraph id="8BB0592FFFAFFFB9FF44BB73FDEB18A2" blockId="3.[182,520,1390,1414]" box="[182,520,1390,1414]" pageId="3" pageNumber="4">
|
|
<heading id="D0F8EE43FFAFFFB9FF44BB73FDEB18A2" box="[182,520,1390,1414]" centered="true" fontSize="36" level="2" pageId="3" pageNumber="4" reason="8">
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FF44BB73FDEB18A2" authority="Osborn, 1924" authorityName="Osborn" authorityYear="1924" box="[182,520,1390,1414]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97B853DFFAFFFB9FF44BB73FE8618A2" box="[182,357,1390,1414]" italics="true" pageId="3" pageNumber="4">Saurornithoides</emphasis>
|
|
<bibRefCitation id="EF9E24DEFFAFFFB9FE9FBB73FDEB18A2" author="Osborn, H. F." box="[365,520,1390,1414]" pageId="3" pageNumber="4" pagination="1 - 12" refId="ref25082" refString="Osborn, H. F. 1924. Three new Theropoda, Protoceratops zone, central Mongolia. American Museum Novitates 144: 1 - 12." type="journal article" year="1924">Osborn, 1924</bibRefCitation>
|
|
</taxonomicName>
|
|
</heading>
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="C3150AA4FFAFFFB9FF80BB86FDE31B28" pageId="3" pageNumber="4" type="materials_examined">
|
|
<paragraph id="8BB0592FFFAFFFB9FF80BB86FDD418F5" blockId="3.[88,614,1435,1754]" pageId="3" pageNumber="4">
|
|
<materialsCitation id="3B675372FFAFFFB9FF80BB86FDD118F5" collectionCode="SPECIES" pageId="3" pageNumber="4" specimenCount="1" typeStatus="holotype">
|
|
<typeStatus id="54B4E78DFFAFFFB9FF80BB86FF491896" box="[114,170,1435,1459]" pageId="3" pageNumber="4">TYPE</typeStatus>
|
|
<collectionCode id="ED1EC1EAFFAFFFB9FF48BB86FEE81896" box="[186,267,1435,1459]" pageId="3" pageNumber="4">SPECIES</collectionCode>
|
|
:
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FEDFBB81FEFA18F5" authority="Osborn, 1924" authorityName="Osborn" authorityYear="1924" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="mongoliensis">
|
|
<emphasis id="B97B853DFFAFFFB9FEDFBB81FF9718F5" italics="true" pageId="3" pageNumber="4">Saurornithoides mongoliensis</emphasis>
|
|
<bibRefCitation id="EF9E24DEFFAFFFB9FF8EBBA4FEFA18F5" author="Osborn, H. F." box="[124,281,1465,1489]" pageId="3" pageNumber="4" pagination="1 - 12" refId="ref25082" refString="Osborn, H. F. 1924. Three new Theropoda, Protoceratops zone, central Mongolia. American Museum Novitates 144: 1 - 12." type="journal article" year="1924">Osborn, 1924</bibRefCitation>
|
|
</taxonomicName>
|
|
, by original designation
|
|
</materialsCitation>
|
|
.
|
|
</paragraph>
|
|
<paragraph id="8BB0592FFFAFFFB9FF80BBCAFDE31B28" blockId="3.[88,614,1435,1754]" pageId="3" pageNumber="4">
|
|
<materialsCitation id="3B675372FFAFFFB9FF80BBCAFE1A1B28" collectionCode="SPECIES" pageId="3" pageNumber="4" specimenCount="1">
|
|
INCLUDED
|
|
<collectionCode id="ED1EC1EAFFAFFFB9FF1ABBCAFED918C9" box="[232,314,1495,1519]" pageId="3" pageNumber="4">SPECIES</collectionCode>
|
|
: Only the
|
|
<typeStatus id="54B4E78DFFAFFFB9FE34BBCAFE1518CB" box="[454,502,1495,1519]" pageId="3" pageNumber="4">type</typeStatus>
|
|
species is currently referred to
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FEB8BBE9FE1A1B28" authorityName="Osborn" authorityYear="1924" box="[330,505,1524,1548]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97B853DFFAFFFB9FEB8BBE9FE1A1B28" box="[330,505,1524,1548]" italics="true" pageId="3" pageNumber="4">Saurornithoides</emphasis>
|
|
</taxonomicName>
|
|
</materialsCitation>
|
|
.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="C3150AA4FFAFFFB9FF80B80FFDF51BBB" pageId="3" pageNumber="4" type="description">
|
|
<paragraph id="8BB0592FFFAFFFB9FF80B80FFDF51BBB" blockId="3.[88,614,1435,1754]" pageId="3" pageNumber="4">
|
|
LOCALITIES AND AGE:
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FE63B80FFDA31B0E" authorityName="Osborn" authorityYear="1924" box="[401,576,1554,1578]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97B853DFFAFFFB9FE63B80FFDA31B0E" box="[401,576,1554,1578]" italics="true" pageId="3" pageNumber="4">Saurornithoides</emphasis>
|
|
</taxonomicName>
|
|
is known with certainty only from the location of the
|
|
<typeStatus id="54B4E78DFFAFFFB9FF57B851FEEA1B40" box="[165,265,1612,1636]" pageId="3" pageNumber="4" type="holotype">holotype</typeStatus>
|
|
of
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FEC1B850FF971BA6" authorityName="Osborn" authorityYear="1924" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="mongoliensis">
|
|
<emphasis id="B97B853DFFAFFFB9FEC1B850FF971BA6" italics="true" pageId="3" pageNumber="4">Saurornithoides mongoliensis</emphasis>
|
|
</taxonomicName>
|
|
—Djadokhta Formation of Bayan Zag, upper Cretaceous of Mongolia (fig. 2).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="C3150AA4FFAFFFB9FF80B8B8FBB71B28" pageId="3" pageNumber="4" type="diagnosis">
|
|
<paragraph id="8BB0592FFFAFFFB9FF80B8B8FBB71B28" blockId="3.[88,614,1435,1754]" lastBlockId="3.[662,1188,1056,1754]" pageId="3" pageNumber="4">
|
|
DIAGNOSIS: Differs from
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FE50B8B8FD861B99" baseAuthorityName="Barsbold" baseAuthorityYear="1974" box="[418,613,1701,1725]" class="Reptilia" family="Troodontidae" genus="Zanabazar" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="junior">
|
|
<emphasis id="B97B853DFFAFFFB9FE50B8B8FD861B99" box="[418,613,1701,1725]" italics="true" pageId="3" pageNumber="4">Zanabazar junior</emphasis>
|
|
</taxonomicName>
|
|
in its smaller overall size, lower number of teeth (108 versus 118), the presence of a jugal that is straight beneath the round orbit rather than curved, and the possession of a pneumatic recess on the lateral surface of the prootic dorsal to the trigeminal fenestra (the pneumatic recess is also absent in
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FBB7BAAEFD1919CC" baseAuthorityName="Hopson" baseAuthorityYear="1979" class="Reptilia" family="Troodontidae" genus="Troodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="formosus">
|
|
<emphasis id="B97B853DFFAFFFB9FBB7BAAEFD1919CC" italics="true" pageId="3" pageNumber="4">Troodon formosus</emphasis>
|
|
</taxonomicName>
|
|
). The maxillary teeth of
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FBC8BACDFD071821" authorityName="Osborn" authorityYear="1924" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97B853DFFAFFFB9FBC8BACDFD071821" italics="true" pageId="3" pageNumber="4">Saurornithoides</emphasis>
|
|
</taxonomicName>
|
|
exhibit some increase in crown height posteriorly but to a lesser degree than in
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FD64BB35FC881864" baseAuthorityName="Barsbold" baseAuthorityYear="1974" box="[662,875,1320,1344]" class="Reptilia" family="Troodontidae" genus="Zanabazar" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="junior">
|
|
<emphasis id="B97B853DFFAFFFB9FD64BB35FC881864" box="[662,875,1320,1344]" italics="true" pageId="3" pageNumber="4">Zanabazar junior</emphasis>
|
|
</taxonomicName>
|
|
. Also in contrast to
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FD64BB58FC851879" baseAuthorityName="Barsbold" baseAuthorityYear="1974" box="[662,870,1349,1373]" class="Reptilia" family="Troodontidae" genus="Zanabazar" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="junior">
|
|
<emphasis id="B97B853DFFAFFFB9FD64BB58FC851879" box="[662,870,1349,1373]" italics="true" pageId="3" pageNumber="4">Zanabazar junior</emphasis>
|
|
</taxonomicName>
|
|
, the maxillary teeth of
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FD64BB7FFCA6185E" authorityName="Osborn" authorityYear="1924" box="[662,837,1378,1402]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97B853DFFAFFFB9FD64BB7FFCA6185E" box="[662,837,1378,1402]" italics="true" pageId="3" pageNumber="4">Saurornithoides</emphasis>
|
|
</taxonomicName>
|
|
lack replacement gaps. In these latter two characters,
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FC07BB62FB4718B3" authorityName="Osborn" authorityYear="1924" box="[1013,1188,1407,1431]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97B853DFFAFFFB9FC07BB62FB4718B3" box="[1013,1188,1407,1431]" italics="true" pageId="3" pageNumber="4">Saurornithoides</emphasis>
|
|
</taxonomicName>
|
|
agrees with
|
|
<emphasis id="B97B853DFFAFFFB9FCEFBB80FC631891" box="[797,896,1437,1461]" italics="true" pageId="3" pageNumber="4">
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FCEFBB80FCA91891" authorityName="Xu & Norell" authorityYear="2004" box="[797,842,1437,1461]" class="Reptilia" family="Troodontidae" genus="Mei" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="genus">Mei</taxonomicName>
|
|
long
|
|
</emphasis>
|
|
,
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FC7DBB80FB891891" baseAuthorityName="Xu and Norell" baseAuthorityYear="2004" box="[911,1130,1437,1461]" class="Reptilia" family="Troodontidae" genus="Sinovenator" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="changii">
|
|
<emphasis id="B97B853DFFAFFFB9FC7DBB80FB891891" box="[911,1130,1437,1461]" italics="true" pageId="3" pageNumber="4">Sinovenator changii</emphasis>
|
|
</taxonomicName>
|
|
, and basal avialans among paravians, whereas
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FD64BBCAFC8C18CB" baseAuthorityName="Barsbold" baseAuthorityYear="1974" box="[662,879,1495,1519]" class="Reptilia" family="Troodontidae" genus="Zanabazar" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="junior">
|
|
<emphasis id="B97B853DFFAFFFB9FD64BBCAFC8C18CB" box="[662,879,1495,1519]" italics="true" pageId="3" pageNumber="4">Zanabazar junior</emphasis>
|
|
</taxonomicName>
|
|
is more similar to
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FD64BBE9FC8C1B28" box="[662,879,1524,1548]" class="Reptilia" family="Troodontidae" genus="Byronosaurus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="jaffei">
|
|
<emphasis id="B97B853DFFAFFFB9FD64BBE9FC8C1B28" box="[662,879,1524,1548]" italics="true" pageId="3" pageNumber="4">Byronosaurus jaffei</emphasis>
|
|
</taxonomicName>
|
|
and dromaeosaurs.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection id="C3150AA4FFAFFFBEFD42B80FFE5D1FDB" lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4" type="discussion">
|
|
<paragraph id="8BB0592FFFAFFFBEFD42B80FFE5D1FDB" blockId="3.[662,1188,1056,1754]" lastBlockId="4.[128,654,211,767]" lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4">
|
|
COMMENT: The monophyly of
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FBC8B80EFD071B6C" authorityName="Osborn" authorityYear="1924" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97B853DFFAFFFB9FBC8B80EFD071B6C" italics="true" pageId="3" pageNumber="4">Saurornithoides</emphasis>
|
|
</taxonomicName>
|
|
as historically recognized—including
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FD64B850FC051B41" authorityName="Osborn" authorityYear="1924" box="[662,998,1613,1637]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="mongoliensis">
|
|
<emphasis id="B97B853DFFAFFFB9FD64B850FC051B41" box="[662,998,1613,1637]" italics="true" pageId="3" pageNumber="4">Saurornithoides mongoliensis</emphasis>
|
|
</taxonomicName>
|
|
and
|
|
<taxonomicName id="4C0F22ACFFAFFFB9FBC8B850FCCD1BA6" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="3" pageNumber="4" phylum="Chordata" rank="species" species="junior">
|
|
<emphasis id="B97B853DFFAFFFB9FBC8B850FCCD1BA6" italics="true" pageId="3" pageNumber="4">Saurornithoides junior</emphasis>
|
|
</taxonomicName>
|
|
—has not previously been questioned. A sister-taxon relationship between these two taxa, however, is difficult to support empirically. This may be due in part to the overall poor preservation of the
|
|
<typeStatus id="54B4E78DFFA8FFBEFDF4BECEFD891DCF" box="[518,618,211,235]" pageId="4" pageNumber="5" type="holotype">holotype</typeStatus>
|
|
of
|
|
<taxonomicName id="4C0F22ACFFA8FFBEFF72BEECFE2F1C2D" authorityName="Osborn" authorityYear="1924" box="[128,460,241,265]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="mongoliensis">
|
|
<emphasis id="B97B853DFFA8FFBEFF72BEECFE2F1C2D" box="[128,460,241,265]" italics="true" pageId="4" pageNumber="5">Saurornithoides mongoliensis</emphasis>
|
|
</taxonomicName>
|
|
. Morphological disparity does exist between the known specimens of these two taxa and, although this list of differences is less than we might normally expect when taxonomically separating specimens at the generic level, the retention of
|
|
<taxonomicName id="4C0F22ACFFA8FFBEFF15BFBFFECB1C9E" box="[231,296,418,442]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="junior">
|
|
<emphasis id="B97B853DFFA8FFBEFF15BFBFFECB1C9E" box="[231,296,418,442]" italics="true" pageId="4" pageNumber="5">junior</emphasis>
|
|
</taxonomicName>
|
|
in
|
|
<taxonomicName id="4C0F22ACFFA8FFBEFEADBFBFFDED1C9E" authorityName="Osborn" authorityYear="1924" box="[351,526,418,442]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="4" pageNumber="5" phylum="Chordata" rank="genus">
|
|
<emphasis id="B97B853DFFA8FFBEFEADBFBFFDED1C9E" box="[351,526,418,442]" italics="true" pageId="4" pageNumber="5">Saurornithoides</emphasis>
|
|
</taxonomicName>
|
|
implies a privileged relationship with
|
|
<taxonomicName id="4C0F22ACFFA8FFBEFE3ABFDDFDB61CFC" authorityName="Osborn" authorityYear="1924" box="[456,597,448,472]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="mongoliensis">
|
|
<emphasis id="B97B853DFFA8FFBEFE3ABFDDFDB61CFC" box="[456,597,448,472]" italics="true" pageId="4" pageNumber="5">mongoliensis</emphasis>
|
|
</taxonomicName>
|
|
that cannot currently be supported. The one polarized character previously considered to support the monophyly of
|
|
<taxonomicName id="4C0F22ACFFA8FFBEFE2DBC05FD8F1F14" authorityName="Osborn" authorityYear="1924" box="[479,620,536,560]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="mongoliensis">
|
|
<emphasis id="B97B853DFFA8FFBEFE2DBC05FD8F1F14" box="[479,620,536,560]" italics="true" pageId="4" pageNumber="5">mongoliensis</emphasis>
|
|
</taxonomicName>
|
|
+
|
|
<taxonomicName id="4C0F22ACFFA8FFBEFF72BC2BFF231F6A" box="[128,192,566,590]" class="Reptilia" family="Troodontidae" genus="Saurornithoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="junior">
|
|
<emphasis id="B97B853DFFA8FFBEFF72BC2BFF231F6A" box="[128,192,566,590]" italics="true" pageId="4" pageNumber="5">junior</emphasis>
|
|
</taxonomicName>
|
|
was the position of the facial foramen (CN VII) within the lateral depression of the braincase (
|
|
<bibRefCitation id="EF9E24DEFFA8FFBEFEF5BC6CFDF61FAD" author="Turner, A. H. & D. Pol & J. A. Clarke & G. M. Erickson & M. A. Norell" box="[263,533,625,649]" pageId="4" pageNumber="5" pagination="1378 - 1381" refId="ref25277" refString="Turner, A. H., D. Pol, J. A. Clarke, G. M. Erickson, and M. A. Norell. 2007 b. A basal dromaeosaurid and size evolution preceding avian flight. Science 317: 1378 - 1381." type="journal article" year="2007">Turner et al., 2007b</bibRefCitation>
|
|
). It now appears likely that this feature also is present in
|
|
<taxonomicName id="4C0F22ACFFA8FFBEFF52BCB1FE8E1FE0" baseAuthorityName="Hopson" baseAuthorityYear="1979" box="[160,365,684,708]" class="Reptilia" family="Troodontidae" genus="Troodon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Dinosauria" pageId="4" pageNumber="5" phylum="Chordata" rank="species" species="formosus">
|
|
<emphasis id="B97B853DFFA8FFBEFF52BCB1FE8E1FE0" box="[160,365,684,708]" italics="true" pageId="4" pageNumber="5">Troodon formosus</emphasis>
|
|
</taxonomicName>
|
|
and therefore is derived at a slightly more inclusive position on the troodontid tree (see below).
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |