206 lines
27 KiB
XML
206 lines
27 KiB
XML
<document id="A6CE3104B055B05E5B03CD22A95DE38F" ID-DOI="10.1080/00222933.2017.1395919" ID-ISSN="1464-5262" ID-Zenodo-Dep="5184119" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1628735592360" checkinUser="felipe" docAuthor="Watson, Charlotte & Faulwetter, Sarah" docDate="2017" docId="03E9100287181370FE46FD23FD86FE4A" docLanguage="en" docName="JNatHist.51.47-48.2863-2924.pdf" docOrigin="Journal of Natural History 51 (47 - 48)" docSource="http://dx.doi.org/10.1080/00222933.2017.1395919" docStyle="DocumentStyle:485A7191CD41D6261F41521A3380DC73.9:JNatHist.2017-.journal_article.1cover" docStyleId="485A7191CD41D6261F41521A3380DC73" docStyleName="JNatHist.2017-.journal_article.1cover" docStyleVersion="9" docTitle="Thrausmatos Watson 2001" docType="treatment" docVersion="3" lastPageNumber="2891" masterDocId="FFD0687A8704136EFFABFFCFFFFBFFD3" masterDocTitle="Stylet jaws of Chrysopetalidae (Annelida)" masterLastPageNumber="2924" masterPageNumber="2863" pageNumber="2890" updateTime="1699050914801" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="782DAF7E3B68000B379F3F55B552C846">Stylet jaws of Chrysopetalidae (Annelida)</mods:title>
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<mods:namePart id="5020440522FAF9FE3B7192486B03B1E5">Watson, Charlotte</mods:namePart>
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<mods:namePart id="18B047505BD04836846BE487714F2892">Faulwetter, Sarah</mods:namePart>
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<mods:title id="681EEA35CF52AE592A62F335992E90EA">Journal of Natural History</mods:title>
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<mods:part id="C7F124473643ED3569B7D6D2A26B45BF">
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<mods:date id="9A9E471ED3C28E32CD8D01D5DA3BB986">2017</mods:date>
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<mods:number id="B931F3CCDD5F9990179EBA5EF00ECD66">2017-11-24</mods:number>
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<mods:number id="D4F3ADC3B6A789CA958536660B070794">51</mods:number>
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<mods:number id="093F07B1926B859F3D819D5CFD8CA28B">47 - 48</mods:number>
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<subSubSection id="C35AF29F87181372FE46FD23FCCDFCD6" box="[493,822,748,773]" pageId="28" pageNumber="2890" type="nomenclature">
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<paragraph id="8BFFA11487181372FE46FD23FCCDFCD6" blockId="28.[493,822,748,808]" box="[493,822,748,773]" pageId="28" pageNumber="2890">
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<heading id="D0B7167887181372FE46FD23FCCDFCD6" box="[493,822,748,773]" centered="true" fontSize="11" level="2" pageId="28" pageNumber="2890" reason="5">
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<taxonomicName id="4C40DA9787181372FE46FD23FCCDFCD6" ID-CoL="84V9C" authority="Watson, 2001" authorityName="Watson" authorityYear="2001" box="[493,822,748,773]" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="28" pageNumber="2890" phylum="Annelida" rank="genus">
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<emphasis id="B9347D0687181372FE46FD23FD76FCD6" bold="true" box="[493,653,748,773]" italics="true" pageId="28" pageNumber="2890">Thrausmatos</emphasis>
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<bibRefCitation id="EFD1DCE587181372FD3EFD23FCCDFCD6" author="Watson C" box="[661,822,748,773]" pageId="28" pageNumber="2890" pagination="57 - 66" refId="ref27420" refString="Watson C. 2001. New genus and species of Chrysopetalidae (Polychaeta) from hydrothermal vents (south-western Pacific). Beagle, Rec Mus Art Gall N Terr. 17: 57 - 66." type="journal article" year="2001">Watson, 2001</bibRefCitation>
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</taxonomicName>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C35AF29F87181372FE5FFCC0FD41FC8F" pageId="28" pageNumber="2890" type="description">
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<paragraph id="8BFFA11487181372FE5FFCC0FCD4FCFB" blockId="28.[493,822,748,808]" box="[500,815,783,808]" pageId="28" pageNumber="2890">
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(
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<figureCitation id="137BBD9187181372FE57FCC0FD63FCFB" box="[508,664,783,808]" captionStart="Figure 16" captionStartId="29.[160,225,1084,1107]" captionTargetBox="[163,1153,142,1053]" captionTargetId="figure-133@29.[163,1153,142,1053]" captionTargetPageId="29" captionText="Figure 16. Anterior end of Thrausmatos dieteri (mCT-00040), imaged through micro-CT and rendered in 3D. (a) dorsal view; (b) lateral view, virtually dissected to expose pharyngeal structures. (c) dorsal view, virtually dissected to expose pharyngeal structures; (d) jaws, left: dorsal view, middle: lateral view, right: cross sections through the jaw along its length." figureDoi="http://doi.org/10.5281/zenodo.5184151" httpUri="https://zenodo.org/record/5184151/files/figure.png" pageId="28" pageNumber="2890">Figure 16a–d</figureCitation>
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;
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||
<tableCitation id="C6C294AF87181372FD0CFCC0FCF2FCFB" box="[679,777,783,808]" captionStart="Table 1" captionStartId="9.[133,189,703,726]" captionText="Table 1. Comparison of pharyngeal and jaw characters." pageId="28" pageNumber="2890">Tables 1</tableCitation>
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,
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||
<tableCitation id="C6C294AF87181372FCB2FCC0FCDCFCFB" box="[793,807,783,808]" captionStart="Table 2" captionStartId="10.[133,189,583,606]" captionText="Table 2. Comparison of morphological characters." pageId="28" pageNumber="2890">2</tableCitation>
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)
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</paragraph>
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<paragraph id="8BFFA11487181372FF0BFC8BFD41FC8F" blockId="28.[160,698,836,860]" box="[160,698,836,860]" pageId="28" pageNumber="2890">
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<typeStatus id="54FB1FB687181372FF0BFC8BFF2DFC8F" box="[160,214,836,860]" pageId="28" pageNumber="2890">Type</typeStatus>
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species:
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<taxonomicName id="4C40DA9787181372FE94FC8BFD41FC8F" authority="Watson, 2001" authorityName="Watson" authorityYear="2001" box="[319,698,836,860]" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="28" pageNumber="2890" phylum="Annelida" rank="species" species="dieteri">
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<emphasis id="B9347D0687181372FE94FC8BFDECFC8F" box="[319,535,836,860]" italics="true" pageId="28" pageNumber="2890">Thrausmatos dieteri</emphasis>
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<bibRefCitation id="EFD1DCE587181372FD8BFC8BFD41FC8F" author="Watson C" box="[544,698,836,860]" pageId="28" pageNumber="2890" pagination="57 - 66" refId="ref27420" refString="Watson C. 2001. New genus and species of Chrysopetalidae (Polychaeta) from hydrothermal vents (south-western Pacific). Beagle, Rec Mus Art Gall N Terr. 17: 57 - 66." type="journal article" year="2001">Watson, 2001</bibRefCitation>
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||
</taxonomicName>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C35AF29F87181372FF0BFC48FB7BFC34" pageId="28" pageNumber="2890" type="materials_examined">
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||
<paragraph id="8BFFA11487181372FF0BFC48FE7BFC72" blockId="28.[160,1155,903,999]" box="[160,384,903,929]" pageId="28" pageNumber="2890">
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<emphasis id="B9347D0687181372FF0BFC48FE7BFC72" bold="true" box="[160,384,903,929]" italics="true" pageId="28" pageNumber="2890">Material examined</emphasis>
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</paragraph>
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<paragraph id="8BFFA11487181372FF0BFC63FB7BFC34" blockId="28.[160,1155,903,999]" pageId="28" pageNumber="2890">
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One specimen
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<taxonomicName id="4C40DA9787181372FEE7FC63FDFEFC17" box="[332,517,940,964]" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="28" pageNumber="2890" phylum="Annelida" rank="species" species="undetermined">
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<emphasis id="B9347D0687181372FEE7FC63FE22FC17" box="[332,473,940,964]" italics="true" pageId="28" pageNumber="2890">Thrausmatos</emphasis>
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sp.
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</taxonomicName>
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:
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<materialsCitation id="3B28AB4987181372FDBBFC63FDA7FC34" accessionNumber="SMF 24382" collectionCode="SMF" collectorName="NW Indian Ocean" country="Pakistan" location="Pakistan" pageId="28" pageNumber="2890" specimenCount="2">
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<collectionCode id="ED5139D187181372FDBBFC63FDBBFC17" box="[528,576,940,964]" country="Germany" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34838" lsid="urn:lsid:biocol.org:col:34838" name="Forschungsinstitut und Natur-Museum Senckenberg" pageId="28" pageNumber="2890">SMF</collectionCode>
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24382,
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||
<collectingCountry id="F357E18487181372FD37FC63FD07FC17" box="[668,764,940,964]" name="Pakistan" pageId="28" pageNumber="2890">Pakistan</collectingCountry>
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,
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<collectorName id="26B5C4C287181372FCACFC63FC34FC17" box="[775,975,940,964]" pageId="28" pageNumber="2890">NW Indian Ocean</collectorName>
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(mCT-00089);
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<specimenCount id="9D466A9D87181372FBDEFC63FEEDFC34" pageId="28" pageNumber="2890" type="generic">2 specimens</specimenCount>
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<taxonomicName id="4C40DA9787181372FEB4FC00FDA7FC34" authority=": NTM W." authorityName="NTM W." box="[287,604,975,999]" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="28" pageNumber="2890" phylum="Annelida" rank="species" species="dieteri">
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<emphasis id="B9347D0687181372FEB4FC00FE03FC34" box="[287,504,975,999]" italics="true" pageId="28" pageNumber="2890">Thrausmatos dieteri</emphasis>
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: NTM W
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</taxonomicName>
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</materialsCitation>
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.
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<materialsCitation id="3B28AB4987181372FDCBFC00FB86FC34" box="[608,1149,974,999]" collectorName="SW Pacific" country="Fiji" location="Fiji" pageId="28" pageNumber="2890" specimenCount="1">
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26201,
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<collectingCountry id="F357E18487181372FD19FC00FD2FFC34" box="[690,724,975,999]" name="Fiji" pageId="28" pageNumber="2890">Fiji</collectingCountry>
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,
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<collectorName id="26B5C4C287181372FD4BFC00FCAFFC34" box="[736,852,974,999]" pageId="28" pageNumber="2890">SW Pacific</collectorName>
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(mCT-00040; mCT-00093)
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</materialsCitation>
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||
.
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||
</paragraph>
|
||
</subSubSection>
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||
<subSubSection id="C35AF29F87181370FF0BFBDDFD86FE4A" lastPageId="30" lastPageNumber="2892" pageId="28" pageNumber="2890" type="distribution">
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||
<paragraph id="8BFFA11487181372FF0BFBDDFED7FBFF" blockId="28.[160,1155,1042,1311]" box="[160,300,1042,1068]" pageId="28" pageNumber="2890">
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||
<emphasis id="B9347D0687181372FF0BFBDDFED7FBFF" bold="true" box="[160,300,1042,1068]" italics="true" pageId="28" pageNumber="2890">Distribution</emphasis>
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</paragraph>
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<paragraph id="8BFFA11487181372FF0BFBF8FE0DFACC" blockId="28.[160,1155,1042,1311]" pageId="28" pageNumber="2890">
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||
<taxonomicName id="4C40DA9787181372FF0BFBF8FE7BFB9C" box="[160,384,1079,1103]" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="28" pageNumber="2890" phylum="Annelida" rank="species" species="dieteri">
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<emphasis id="B9347D0687181372FF0BFBF8FE7BFB9C" box="[160,384,1079,1103]" italics="true" pageId="28" pageNumber="2890">Thrausmatos dieteri</emphasis>
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</taxonomicName>
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was originally recorded from the Lau and North
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<collectingCountry id="F357E18487181372FC7FFBF8FC0EFB9C" box="[980,1013,1079,1103]" name="Fiji" pageId="28" pageNumber="2890">Fiji</collectingCountry>
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Basins, and Lihir south of New
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<collectingCountry id="F357E18487181372FE38FB96FE1DFBA2" box="[403,486,1113,1137]" name="Guinea-Bissau" pageId="28" pageNumber="2890">Guinea</collectingCountry>
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, South Western Pacific (
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<bibRefCitation id="EFD1DCE587181372FCBBFB96FC56FBA2" author="Watson C" box="[784,941,1113,1137]" pageId="28" pageNumber="2890" pagination="57 - 66" refId="ref27420" refString="Watson C. 2001. New genus and species of Chrysopetalidae (Polychaeta) from hydrothermal vents (south-western Pacific). Beagle, Rec Mus Art Gall N Terr. 17: 57 - 66." type="journal article" year="2001">Watson 2001</bibRefCitation>
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). An undescribed species has recently been found at the Makran subduction zone, between the Eurasian Plate in the north and Arabian Plate in the south, North-Western Indian Ocean (CW, unpub.). A North-Eastern Atlantic species,
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<taxonomicName id="4C40DA9787181372FCFFFB0EFF0EFB2F" authority="Watson" authorityName="Watson" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="28" pageNumber="2890" phylum="Annelida" rank="species" species="senghorensis">
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<emphasis id="B9347D0687181372FCFFFB0EFB78FB0A" box="[852,1155,1217,1241]" italics="true" pageId="28" pageNumber="2890">Thrausmatos senghorensis</emphasis>
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Watson
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</taxonomicName>
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<emphasis id="B9347D0687181372FEABFB2BFEEEFB2F" box="[256,277,1252,1276]" italics="true" pageId="28" pageNumber="2890">in</emphasis>
|
||
<bibRefCitation id="EFD1DCE587181372FEB4FB2BFDF9FB2F" author="Watson C & Chivers A & Narayanaswamy BE & Lamont PA & Turnewitsch R" box="[287,514,1252,1276]" pageId="28" pageNumber="2890" pagination="311 - 325" refId="ref27641" refString="Watson C, Chivers A, Narayanaswamy BE, Lamont PA, Turnewitsch R. 2014. Chrysopetalidae (Annelida: Phyllodocida) from the Senghor Seamount, north-east Atlantic: taxa with deep-sea affinities and morphological adaptations. Mem Vict Mus. 71: 311 - 325." type="journal article" year="2014">Watson et al., 2014</bibRefCitation>
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, is now considered to belong to a new generic taxon (Watson and Rouse, in prep.).
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||
</paragraph>
|
||
<paragraph id="8BFFA11487181372FF0BFA84FF02FAB6" blockId="28.[160,1155,1355,1588]" box="[160,249,1355,1381]" pageId="28" pageNumber="2890">
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||
<emphasis id="B9347D0687181372FF0BFA84FF02FAB6" bold="true" box="[160,249,1355,1381]" italics="true" pageId="28" pageNumber="2890">Habitat</emphasis>
|
||
</paragraph>
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||
<paragraph id="8BFFA11487181372FF0BFAA0FC9DF9E7" blockId="28.[160,1155,1355,1588]" pageId="28" pageNumber="2890">
|
||
<taxonomicName id="4C40DA9787181372FF0BFAA0FED6FA54" authorityName="Watson" authorityYear="2001" box="[160,301,1391,1415]" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="28" pageNumber="2890" phylum="Annelida" rank="genus">
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<emphasis id="B9347D0687181372FF0BFAA0FED6FA54" box="[160,301,1391,1415]" italics="true" pageId="28" pageNumber="2890">Thrausmatos</emphasis>
|
||
</taxonomicName>
|
||
inhabits hydrothermal vents and cold seeps to ~
|
||
<quantity id="4CB80CF187181372FCFAFAA0FC52FA54" box="[849,937,1391,1415]" metricMagnitude="3" metricUnit="m" metricValue="2.7" pageId="28" pageNumber="2890" unit="m" value="2700.0">2700 m</quantity>
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||
in areas associated with a speciose molluscan and vestimentiferan fauna and is especially common in washings of
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<taxonomicName id="4C40DA9787181372FE9EFA7BFBE7FA1F" authority="Von Cosel, Metivier and Hashimoto, 1994" authorityName="Von Cosel, Metivier and Hashimoto" authorityYear="1994" box="[309,1052,1460,1484]" class="Bivalvia" family="Mytilidae" genus="Bathymodiolus" kingdom="Animalia" order="Mytilida" pageId="28" pageNumber="2890" phylum="Mollusca" rank="species" species="brevior">
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||
<emphasis id="B9347D0687181372FE9EFA7BFDD6FA1F" box="[309,557,1460,1484]" italics="true" pageId="28" pageNumber="2890">Bathymodiolus brevior</emphasis>
|
||
<bibRefCitation id="EFD1DCE587181372FD92FA7BFBE7FA1F" author="Von Cosel R & Metivier B & Hashimoto J" box="[569,1052,1460,1484]" pageId="28" pageNumber="2890" pagination="374 - 392" refId="ref27270" refString="Von Cosel R, Metivier B, Hashimoto J. 1994. Three new species of Bathymodiolus (Bivalvia: mytilidae) from hydrothermal vents in the Lau basin and the North Fiji basin, western Pacific, and the Snake Pit area, Mid-Atlantic Ridge. Veliger. 37: 374 - 392." type="journal article" year="1994">Von Cosel, Métivier and Hashimoto, 1994</bibRefCitation>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFD1DCE587181372FB86FA7BFF2CFA3C" author="Watson C" pageId="28" pageNumber="2890" pagination="57 - 66" refId="ref27420" refString="Watson C. 2001. New genus and species of Chrysopetalidae (Polychaeta) from hydrothermal vents (south-western Pacific). Beagle, Rec Mus Art Gall N Terr. 17: 57 - 66." type="journal article" year="2001">Watson 2001</bibRefCitation>
|
||
; Pleijel, pers. comm.). Vent geomorphology consists of basalt with massive sulphides and fissures, overlain in part with sediment, and hydrocarbon enriched sediments and indurated muds present at cold seep sites (
|
||
<bibRefCitation id="EFD1DCE587181372FD68F9D3FCA2F9E7" author="Watson C" box="[707,857,1564,1588]" pageId="28" pageNumber="2890" pagination="57 - 66" refId="ref27420" refString="Watson C. 2001. New genus and species of Chrysopetalidae (Polychaeta) from hydrothermal vents (south-western Pacific). Beagle, Rec Mus Art Gall N Terr. 17: 57 - 66." type="journal article" year="2001">Watson 2001</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BFFA11487181372FF0BF9AFFE6DF9A9" blockId="28.[160,1155,1632,1727]" box="[160,406,1632,1658]" pageId="28" pageNumber="2890">
|
||
<emphasis id="B9347D0687181372FF0BF9AFFE6DF9A9" bold="true" box="[160,406,1632,1658]" italics="true" pageId="28" pageNumber="2890">General morphology</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BFFA11487181372FF0BF94AFB78F96C" blockId="28.[160,1155,1632,1727]" pageId="28" pageNumber="2890">
|
||
<taxonomicName id="4C40DA9787181372FF0BF94AFE7EF94E" box="[160,389,1669,1693]" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="28" pageNumber="2890" phylum="Annelida" rank="species" species="undetermined">
|
||
<emphasis id="B9347D0687181372FF0BF94AFED6F94E" box="[160,301,1669,1693]" italics="true" pageId="28" pageNumber="2890">Thrausmatos</emphasis>
|
||
species
|
||
</taxonomicName>
|
||
are relatively broad, elongate chrysopetalid polychaetes possessing multi-layered, symmetrical main paleae that overlap and cover the dorsum; a discrete
|
||
</paragraph>
|
||
<caption id="DF3FF19C87191373FF0BFBF3FD02FB78" ID-DOI="http://doi.org/10.5281/zenodo.5184151" ID-Zenodo-Dep="5184151" httpUri="https://zenodo.org/record/5184151/files/figure.png" pageId="29" pageNumber="2891" startId="29.[160,225,1084,1107]" targetBox="[163,1153,142,1053]" targetPageId="29">
|
||
<paragraph id="8BFFA11487191373FF0BFBF3FD02FB78" blockId="29.[160,1156,1084,1195]" pageId="29" pageNumber="2891">
|
||
<emphasis id="B9347D0687191373FF0BFBF3FEFCFB80" bold="true" box="[160,263,1084,1107]" pageId="29" pageNumber="2891">Figure 16.</emphasis>
|
||
Anterior end of
|
||
<taxonomicName id="4C40DA9787191373FE07FBF3FD92FB80" box="[428,617,1084,1107]" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="2891" phylum="Annelida" rank="species" species="dieteri">
|
||
<emphasis id="B9347D0687191373FE07FBF3FD92FB80" box="[428,617,1084,1107]" italics="true" pageId="29" pageNumber="2891">Thrausmatos dieteri</emphasis>
|
||
</taxonomicName>
|
||
(mCT-00040), imaged through micro-CT and rendered in 3D. (a) dorsal view; (b) lateral view, virtually dissected to expose pharyngeal structures. (c) dorsal view, virtually dissected to expose pharyngeal structures; (d) jaws, left: dorsal view, middle: lateral view, right: cross sections through the jaw along its length.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BFFA11487191373FF0BFAC7FE09FA23" blockId="29.[160,1155,1288,1520]" pageId="29" pageNumber="2891">
|
||
median fascicle is lacking (
|
||
<figureCitation id="137BBD9187191373FE7DFAC7FDB4FAF3" box="[470,591,1288,1312]" captionStart="Figure 16" captionStartId="29.[160,225,1084,1107]" captionTargetBox="[163,1153,142,1053]" captionTargetId="figure-133@29.[163,1153,142,1053]" captionTargetPageId="29" captionText="Figure 16. Anterior end of Thrausmatos dieteri (mCT-00040), imaged through micro-CT and rendered in 3D. (a) dorsal view; (b) lateral view, virtually dissected to expose pharyngeal structures. (c) dorsal view, virtually dissected to expose pharyngeal structures; (d) jaws, left: dorsal view, middle: lateral view, right: cross sections through the jaw along its length." figureDoi="http://doi.org/10.5281/zenodo.5184151" httpUri="https://zenodo.org/record/5184151/files/figure.png" pageId="29" pageNumber="2891">Figure 16a</figureCitation>
|
||
). Individuals are rarely collected entire and fragment easily. Sensory structures include a small prostomium (not fused with anterior segments) that lack complex eyes (though simple eye spots are sometimes present), a ciliated ovoid caruncle with posterior notch and pigment spots and basally ovoid shaped palps with cirriform, distally retractile tips. The epidermis is thickened and covered in bacteria and appears to lack ciliation; glandular ventral pads are prominent (
|
||
<bibRefCitation id="EFD1DCE587191373FF0DFA17FEC7FA23" author="Watson C" box="[166,316,1496,1520]" pageId="29" pageNumber="2891" pagination="57 - 66" refId="ref27420" refString="Watson C. 2001. New genus and species of Chrysopetalidae (Polychaeta) from hydrothermal vents (south-western Pacific). Beagle, Rec Mus Art Gall N Terr. 17: 57 - 66." type="journal article" year="2001">Watson 2001</bibRefCitation>
|
||
; CW pers. obs.).
|
||
</paragraph>
|
||
<paragraph id="8BFFA11487191373FF0BF9FEFE8CF998" blockId="29.[160,1155,1585,1715]" box="[160,375,1585,1611]" pageId="29" pageNumber="2891">
|
||
<emphasis id="B9347D0687191373FF0BF9FEFE8CF998" bold="true" box="[160,375,1585,1611]" italics="true" pageId="29" pageNumber="2891">Pharynx and jaws</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BFFA11487191370FF0BF99AFD86FE4A" blockId="29.[160,1155,1585,1715]" lastBlockId="30.[160,1156,142,409]" lastPageId="30" lastPageNumber="2892" pageId="29" pageNumber="2891">
|
||
<taxonomicName id="4C40DA9787191373FF0BF99AFED1F9BE" authorityName="Watson" authorityYear="2001" box="[160,298,1621,1645]" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="2891" phylum="Annelida" rank="genus">
|
||
<emphasis id="B9347D0687191373FF0BF99AFED1F9BE" box="[160,298,1621,1645]" italics="true" pageId="29" pageNumber="2891">Thrausmatos</emphasis>
|
||
</taxonomicName>
|
||
possesses a proboscis which in some scans appears most clearly as two large lobe-like structures that may be integral to the proboscis itself or consisting of overlying glandular lobes (
|
||
<figureCitation id="137BBD9187191373FEFDF954FE37F960" box="[342,460,1691,1715]" captionStart="Figure 16" captionStartId="29.[160,225,1084,1107]" captionTargetBox="[163,1153,142,1053]" captionTargetId="figure-133@29.[163,1153,142,1053]" captionTargetPageId="29" captionText="Figure 16. Anterior end of Thrausmatos dieteri (mCT-00040), imaged through micro-CT and rendered in 3D. (a) dorsal view; (b) lateral view, virtually dissected to expose pharyngeal structures. (c) dorsal view, virtually dissected to expose pharyngeal structures; (d) jaws, left: dorsal view, middle: lateral view, right: cross sections through the jaw along its length." figureDoi="http://doi.org/10.5281/zenodo.5184151" httpUri="https://zenodo.org/record/5184151/files/figure.png" pageId="29" pageNumber="2891">Figure 16b</figureCitation>
|
||
). The pharynx is long, slender and partially differentiated with a muscular constriction and extending to ca. segment 20; caeca are difficult to distinguish. The pharynx anterior to the constriction, wherein the short pair of elongate jaws is situated, appears rounded (
|
||
<figureCitation id="137BBD91871A1370FEC2FF1BFE0CFF3F" box="[361,503,212,236]" captionStart="Figure 16" captionStartId="29.[160,225,1084,1107]" captionTargetBox="[163,1153,142,1053]" captionTargetId="figure-133@29.[163,1153,142,1053]" captionTargetPageId="29" captionText="Figure 16. Anterior end of Thrausmatos dieteri (mCT-00040), imaged through micro-CT and rendered in 3D. (a) dorsal view; (b) lateral view, virtually dissected to expose pharyngeal structures. (c) dorsal view, virtually dissected to expose pharyngeal structures; (d) jaws, left: dorsal view, middle: lateral view, right: cross sections through the jaw along its length." figureDoi="http://doi.org/10.5281/zenodo.5184151" httpUri="https://zenodo.org/record/5184151/files/figure.png" pageId="30" pageNumber="2892">Figure 16b, c</figureCitation>
|
||
). The jaws sit close to one another and interlink along most of their length, diverging slightly at the distal quarter. Jaw margins are straight with an inner raised longitudinal ridge and an outer mid-way diagonally sloping, rounded projecting ridge is present (
|
||
<figureCitation id="137BBD91871A1370FED4FEF3FE0EFE87" box="[383,501,316,340]" captionStart="Figure 16" captionStartId="29.[160,225,1084,1107]" captionTargetBox="[163,1153,142,1053]" captionTargetId="figure-133@29.[163,1153,142,1053]" captionTargetPageId="29" captionText="Figure 16. Anterior end of Thrausmatos dieteri (mCT-00040), imaged through micro-CT and rendered in 3D. (a) dorsal view; (b) lateral view, virtually dissected to expose pharyngeal structures. (c) dorsal view, virtually dissected to expose pharyngeal structures; (d) jaws, left: dorsal view, middle: lateral view, right: cross sections through the jaw along its length." figureDoi="http://doi.org/10.5281/zenodo.5184151" httpUri="https://zenodo.org/record/5184151/files/figure.png" pageId="30" pageNumber="2892">Figure 16d</figureCitation>
|
||
).
|
||
<taxonomicName id="4C40DA97871A1370FDACFEF3FD6AFE87" authorityName="Watson" authorityYear="2001" box="[519,657,316,340]" class="Polychaeta" family="Chrysopetalidae" genus="Thrausmatos" kingdom="Animalia" order="Phyllodocida" pageId="30" pageNumber="2892" phylum="Annelida" rank="genus">
|
||
<emphasis id="B9347D06871A1370FDACFEF3FD6AFE87" box="[519,657,316,340]" italics="true" pageId="30" pageNumber="2892">Thrausmatos</emphasis>
|
||
</taxonomicName>
|
||
stylets are slightly triangular at the basal end; overall jaws appear less strongly calcified (
|
||
<figureCitation id="137BBD91871A1370FDD5FE91FD0DFEA5" box="[638,758,350,374]" captionStart="Figure 16" captionStartId="29.[160,225,1084,1107]" captionTargetBox="[163,1153,142,1053]" captionTargetId="figure-133@29.[163,1153,142,1053]" captionTargetPageId="29" captionText="Figure 16. Anterior end of Thrausmatos dieteri (mCT-00040), imaged through micro-CT and rendered in 3D. (a) dorsal view; (b) lateral view, virtually dissected to expose pharyngeal structures. (c) dorsal view, virtually dissected to expose pharyngeal structures; (d) jaws, left: dorsal view, middle: lateral view, right: cross sections through the jaw along its length." figureDoi="http://doi.org/10.5281/zenodo.5184151" httpUri="https://zenodo.org/record/5184151/files/figure.png" pageId="30" pageNumber="2892">Figure 16d</figureCitation>
|
||
). The particularly small size of jaws does not allow fine focus with CT imaging.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |