treatments-xml/data/03/A2/CB/03A2CB16FFCAA20BFF36FA16FCF9FBB8.xml
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<document id="75F96261F6A30999211B959FDEBA8CB5" ID-CLB-Dataset="22563" ID-DOI="10.11646/zootaxa.4537.1.1" ID-GBIF-Dataset="897dc544-e3e9-46db-b36e-4aa995caabc4" ID-ISSN="1175-5326" ID-Zenodo-Dep="3771214" ID-ZooBank="169CBE5C-3A6E-438B-8A81-0491CBFBAC85" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1588019833456" checkinUser="plazi" docAuthor="Blake, James A." docDate="2018" docId="03A2CB16FFCAA20BFF36FA16FCF9FBB8" docLanguage="en" docName="zootaxa.4537.1.1.pdf" docOrigin="Zootaxa 4537 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Chaetocirratulus furvus Blake 2018, new species" docType="treatment" docVersion="8" lastPageNumber="66" masterDocId="FF9BB36EFFF5A24AFFA1FFBEFF85FFC4" masterDocTitle="Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R / V Anton Bruun, USNS Eltanin, USCG Glacier, R / V Hero, RVIB Nathaniel B. Palmer, and R / V Polarstern from the Southern Ocean, Antarctica, and off Western South America" masterLastPageNumber="130" masterPageNumber="1" pageNumber="64" updateTime="1698837503771" updateUser="ExternalLinkService">
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<mods:title id="7FE91543577AFD3D209F648A3A9D8E86">Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R / V Anton Bruun, USNS Eltanin, USCG Glacier, R / V Hero, RVIB Nathaniel B. Palmer, and R / V Polarstern from the Southern Ocean, Antarctica, and off Western South America</mods:title>
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<mods:namePart id="8062EAD25D24118C51B71EB8D670F46D">Blake, James A.</mods:namePart>
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<mods:title id="C524F0EDA98BBEDF66EEB04DB357AD0B">Zootaxa</mods:title>
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<mods:part id="D853F4E6A83B4BA17254F46B10E13223">
<mods:date id="22774EFBA59533053E15A188392CD6E2">2018</mods:date>
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<mods:number id="8496D4945778862D5959AD801DB5CD04">2018-12-21</mods:number>
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<mods:number id="2908FC6BF9BE078D74617A46387BAB01">4537</mods:number>
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<treatment id="03A2CB16FFCAA20BFF36FA16FCF9FBB8" ID-DOI="http://doi.org/10.5281/zenodo.3798586" ID-GBIF-Taxon="163813276" ID-Zenodo-Dep="3798586" LSID="urn:lsid:plazi:treatment:03A2CB16FFCAA20BFF36FA16FCF9FBB8" httpUri="http://treatment.plazi.org/id/03A2CB16FFCAA20BFF36FA16FCF9FBB8" lastPageId="65" lastPageNumber="66" pageId="63" pageNumber="64">
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<heading id="D0FCCD6CFFCAA275FF36FA16FDD4FA06" bold="true" box="[151,593,1448,1474]" fontSize="11" level="1" pageId="63" pageNumber="64" reason="1">
<emphasis id="B97FA612FFCAA275FF36FA16FDD4FA06" bold="true" box="[151,593,1448,1474]" pageId="63" pageNumber="64">
<taxonomicName id="4C0B0183FFCAA275FF36FA16FE3CFA06" ID-CoL="TBDL" authority="Blake, 2018" authorityName="Blake" authorityYear="2018" box="[151,441,1448,1474]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Terebellida" pageId="63" pageNumber="64" phylum="Annelida" rank="species" species="furvus" status="sp. nov.">
<emphasis id="B97FA612FFCAA275FF36FA16FE3CFA06" bold="true" box="[151,441,1448,1474]" italics="true" pageId="63" pageNumber="64">Chaetocirratulus furvus</emphasis>
</taxonomicName>
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</paragraph>
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<subSubSection id="C311298BFFCAA275FF36FA74FEBDFA27" box="[151,312,1482,1507]" pageId="63" pageNumber="64" type="description">
<paragraph id="8BB47A00FFCAA275FF36FA74FEBDFA27" blockId="63.[151,593,1448,1507]" box="[151,312,1482,1507]" pageId="63" pageNumber="64">
<figureCitation id="13306685FFCAA275FF36FA74FEBDFA27" box="[151,312,1482,1507]" captionStart-0="FIGURE 33" captionStart-1="FIGURE 34" captionStartId-0="64.[151,250,932,954]" captionStartId-1="64.[151,250,1855,1877]" captionTargetBox-0="[181,1417,216,862]" captionTargetBox-1="[162,1429,1046,1825]" captionTargetId-0="figure@64.[150,1436,193,911]" captionTargetId-1="figure@64.[151,1435,1035,1834]" captionTargetPageId-0="64" captionTargetPageId-1="64" captionText-0="FIGURE 33. Chaetocirratulus furvus n. sp. Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view." captionText-1="FIGURE 34. Chaetocirratulus furvus n. sp. Photomicrographs of holotype (USNM 1490735): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view." figureDoi-0="http://doi.org/10.5281/zenodo.3771284" figureDoi-1="http://doi.org/10.5281/zenodo.3771286" httpUri-0="https://zenodo.org/record/3771284/files/figure.png" httpUri-1="https://zenodo.org/record/3771286/files/figure.png" pageId="63" pageNumber="64">Figures 3334</figureCitation>
</paragraph>
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<subSubSection id="C311298BFFCAA275FF36F9ACFA81F98B" pageId="63" pageNumber="64" type="materials_examined">
<paragraph id="8BB47A00FFCAA275FF36F9ACFA81F98B" blockId="63.[151,1437,1554,2011]" pageId="63" pageNumber="64">
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<collectingRegion id="49CFB4E2FFCAA275FF36F9ACFF7AF9EF" box="[151,255,1554,1579]" pageId="63" pageNumber="64">Material</collectingRegion>
examined
</emphasis>
.
<collectingRegion id="49CFB4E2FFCAA275FE27F9ACFE2AF9EF" box="[390,431,1554,1579]" pageId="63" pageNumber="64">
<emphasis id="B97FA612FFCAA275FE27F9ACFE2AF9EF" bold="true" box="[390,431,1554,1579]" pageId="63" pageNumber="64">Off</emphasis>
</collectingRegion>
<materialsCitation id="3B63705DFFCAA275FE17F9ACFCE1F9EF" ID-GBIF-Occurrence="2609010319" box="[438,868,1554,1579]" collectionCode="SEPBOP, R, V" country="Peru" location="Callao" pageId="63" pageNumber="64" specimenCount="1" stateProvince="Callao">
<emphasis id="B97FA612FFCAA275FE17F9ACFD33F9EF" bold="true" box="[438,694,1554,1579]" pageId="63" pageNumber="64">
<collectingCountry id="F31C3A90FFCAA275FE17F9ACFE74F9EF" box="[438,497,1554,1579]" name="Peru" pageId="63" pageNumber="64">Peru</collectingCountry>
, South of
<collectingRegion id="49CFB4E2FFCAA275FDC9F9ACFD33F9EF" box="[616,694,1554,1579]" country="Peru" name="Callao" pageId="63" pageNumber="64">Callao</collectingRegion>
</emphasis>
,
<collectionCode id="ED1AE2C5FFCAA275FD62F9ADFCAFF9EF" box="[707,810,1555,1579]" pageId="63" pageNumber="64">SEPBOP</collectionCode>
,
<collectionCode id="ED1AE2C5FFCAA275FC95F9ADFCC2F9EF" box="[820,839,1555,1579]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="63" pageNumber="64">R</collectionCode>
/
<collectionCode id="ED1AE2C5FFCAA275FCF1F9ADFCE1F9EF" box="[848,868,1555,1579]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="63" pageNumber="64" type="Museum">V</collectionCode>
</materialsCitation>
<materialsCitation id="3B63705DFFCAA275FCCBF9ADFA85F98B" ID-GBIF-Occurrence="2609010318" collectingDate="1966-06-22" collectionCode="USNM" collectorName="Anton Bruun Cr. &amp; Sta." country="Peru" elevation="1000" latitude="-12.966666" longLatPrecision="1291" longitude="-77.26667" pageId="63" pageNumber="64" specimenCode="USNM 1490735, USNM 1490736" specimenCount="1" stateProvince="South" typeStatus="holotype">
<collectorName id="26FE1FD6FFCAA275FCCBF9ADFBA7F9EF" box="[874,1058,1555,1579]" pageId="63" pageNumber="64">
<emphasis id="B97FA612FFCAA275FCCBF9ADFC7CF9EE" box="[874,1017,1555,1578]" italics="true" pageId="63" pageNumber="64">Anton Bruun</emphasis>
Cr.
</collectorName>
17,
<collectorName id="26FE1FD6FFCAA275FBF3F9ADFBF8F9EF" box="[1106,1149,1555,1579]" pageId="63" pageNumber="64">Sta.</collectorName>
660-G, coll.
<date id="FFB55CC0FFCAA275FAACF9ADFA1DF9EF" box="[1293,1432,1554,1579]" pageId="63" pageNumber="64" value="1966-06-22">
<collectingDate id="EFF1A528FFCAA275FAACF9ADFA1DF9EF" box="[1293,1432,1554,1579]" pageId="63" pageNumber="64" value="1966-06-22">22 Jun 1966</collectingDate>
</date>
,
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,
<geoCoordinate id="EE3F1CC7FFCAA275FF5FF988FEE7F98B" box="[254,354,1590,1615]" degrees="77" direction="west" minutes="16" orientation="longitude" pageId="63" pageNumber="64" precision="925" value="-77.26667">77°16ʹW</geoCoordinate>
, dredged,
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<elevation id="00269D33FFCAA275FE74F989FDA9F98A" box="[469,556,1591,1615]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="63" pageNumber="64" unit="m" value="1000.0">1000 m</elevation>
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,
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<typeStatus id="54B0C4A2FFCAA275FD99F988FD1AF98B" box="[568,671,1590,1615]" pageId="63" pageNumber="64" type="holotype">holotype</typeStatus>
</emphasis>
(
<specimenCode id="DBADD27BFFCAA275FD0CF989FCEEF98B" box="[685,875,1590,1615]" collectionCode="USNM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="63" pageNumber="64" type="Museum">USNM 1490735</specimenCode>
) and
<specimenCount id="9D0DB189FFCAA275FC09F989FBADF98B" box="[936,1064,1590,1615]" pageId="63" pageNumber="64" type="generic" typeStatus="paratype">
1
<emphasis id="B97FA612FFCAA275FC1CF988FBADF98B" bold="true" box="[957,1064,1590,1615]" pageId="63" pageNumber="64">paratype</emphasis>
</specimenCount>
(
<specimenCode id="DBADD27BFFCAA275FB96F989FB7DF98B" box="[1079,1272,1590,1615]" collectionCode="USNM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="63" pageNumber="64" type="Museum">USNM 1490736</specimenCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C311298BFFCAA20BFF66F9E4FDFDFC99" lastPageId="65" lastPageNumber="66" pageId="63" pageNumber="64" type="description">
<paragraph id="8BB47A00FFCAA275FF66F9E4FEECF81F" blockId="63.[151,1437,1554,2011]" pageId="63" pageNumber="64">
<emphasis id="B97FA612FFCAA275FF66F9E4FED4F9B7" bold="true" box="[199,337,1626,1651]" pageId="63" pageNumber="64">Description</emphasis>
. Collection includes
<typeStatus id="54B0C4A2FFCAA275FDE7F9E4FD2EF9B7" box="[582,683,1626,1651]" pageId="63" pageNumber="64" type="holotype">holotype</typeStatus>
, one
<typeStatus id="54B0C4A2FFCAA275FD4AF9E5FCCBF9B7" box="[747,846,1627,1651]" pageId="63" pageNumber="64" type="paratype">paratype</typeStatus>
, and several mid-body fragments.
<typeStatus id="54B0C4A2FFCAA275FB7CF9E4FAC0F9B7" box="[1245,1349,1626,1651]" pageId="63" pageNumber="64" type="holotype">Holotype</typeStatus>
a large male with sperm platelets, complete but in three pieces,
<quantity id="4CF3D7E5FFCAA275FC94F9C0FC0CF952" box="[821,905,1662,1687]" metricMagnitude="-2" metricUnit="m" metricValue="6.0" pageId="63" pageNumber="64" unit="mm" value="60.0">60 mm</quantity>
long, 2.0
<quantity id="4CF3D7E5FFCAA275FBA8F9C1FBE1F952" box="[1033,1124,1663,1687]" metricMagnitude="-3" metricUnit="m" metricValue="2.2" pageId="63" pageNumber="64" unit="mm" value="2.2">2.2 mm</quantity>
wide, with 106 setigerous segments;
<typeStatus id="54B0C4A2FFCAA275FEAEF91DFEEAF97F" box="[271,367,1699,1723]" pageId="63" pageNumber="64" type="paratype">paratype</typeStatus>
an anterior fragment with 32 setigers. Body generally cylindrical in cross section with venter weakly flattened; dorsal groove absent, weakly developed mid-ventral groove present in middle body segments. Posteriormost 15 segments expanded laterally, rounded dorsally, and flattened ventrally (
<figureCitation id="13306685FFCAA275FB71F954FACCF8C7" box="[1232,1353,1770,1795]" captionStart="FIGURE 33" captionStartId="64.[151,250,932,954]" captionTargetBox="[181,1417,216,862]" captionTargetId="figure@64.[150,1436,193,911]" captionTargetPageId="64" captionText="FIGURE 33. Chaetocirratulus furvus n. sp. Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view." figureDoi="http://doi.org/10.5281/zenodo.3771284" httpUri="https://zenodo.org/record/3771284/files/figure.png" pageId="63" pageNumber="64">Figs. 33B</figureCitation>
,
<figureCitation id="13306685FFCAA275FAFCF955FA15F8C7" box="[1373,1424,1771,1795]" captionStart="FIGURE 34" captionStartId="64.[151,250,1855,1877]" captionTargetBox="[162,1429,1046,1825]" captionTargetId="figure@64.[151,1435,1035,1834]" captionTargetPageId="64" captionText="FIGURE 34. Chaetocirratulus furvus n. sp. Photomicrographs of holotype (USNM 1490735): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.3771286" httpUri="https://zenodo.org/record/3771286/files/figure.png" pageId="63" pageNumber="64">34C</figureCitation>
). Individual segments well defined with distinct segmental grooves. Color in alcohol tan, with prominent black pigment on parapodia, scattered on dorsum of anterior-most segments (
<figureCitation id="13306685FFCAA275FC75F88CFBB8F88F" box="[980,1085,1842,1867]" captionStart="FIGURE 34" captionStartId="64.[151,250,1855,1877]" captionTargetBox="[162,1429,1046,1825]" captionTargetId="figure@64.[151,1435,1035,1834]" captionTargetPageId="64" captionText="FIGURE 34. Chaetocirratulus furvus n. sp. Photomicrographs of holotype (USNM 1490735): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.3771286" httpUri="https://zenodo.org/record/3771286/files/figure.png" pageId="63" pageNumber="64">Fig. 34A</figureCitation>
) and across venter of anterior setigers. Pigment strongest on venter of
<typeStatus id="54B0C4A2FFCAA275FDD0F8E8FD56F8AB" box="[625,723,1878,1903]" pageId="63" pageNumber="64" type="holotype">holotype</typeStatus>
posterior to mouth (
<figureCitation id="13306685FFCAA275FC69F8E8FBB7F8AB" box="[968,1074,1878,1903]" captionStart="FIGURE 34" captionStartId="64.[151,250,1855,1877]" captionTargetBox="[162,1429,1046,1825]" captionTargetId="figure@64.[151,1435,1035,1834]" captionTargetPageId="64" captionText="FIGURE 34. Chaetocirratulus furvus n. sp. Photomicrographs of holotype (USNM 1490735): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.3771286" httpUri="https://zenodo.org/record/3771286/files/figure.png" pageId="63" pageNumber="64">Fig. 34B</figureCitation>
), then continuing over next 18 setigers as bands on posterior margin of individual segments; similar pigment continuing as black spots posterior to notosetae for about 20 segments; far posterior segments not pigmented (
<figureCitation id="13306685FFCAA275FC78F820FBC7F873" box="[985,1090,1950,1975]" captionStart="FIGURE 34" captionStartId="64.[151,250,1855,1877]" captionTargetBox="[162,1429,1046,1825]" captionTargetId="figure@64.[151,1435,1035,1834]" captionTargetPageId="64" captionText="FIGURE 34. Chaetocirratulus furvus n. sp. Photomicrographs of holotype (USNM 1490735): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.3771286" httpUri="https://zenodo.org/record/3771286/files/figure.png" pageId="63" pageNumber="64">Fig. 34C</figureCitation>
); similar pigment on
<typeStatus id="54B0C4A2FFCAA275FA9DF821FA19F873" box="[1340,1436,1951,1975]" pageId="63" pageNumber="64" type="paratype">paratype</typeStatus>
except not as dark.
</paragraph>
<caption id="DF742A88FFB5A20AFF36FC1AFC9EFC1D" ID-DOI="http://doi.org/10.5281/zenodo.3771284" ID-Zenodo-Dep="3771284" httpUri="https://zenodo.org/record/3771284/files/figure.png" pageId="64" pageNumber="65" startId="64.[151,250,932,954]" targetBox="[181,1417,216,862]" targetPageId="64">
<paragraph id="8BB47A00FFB5A20AFF36FC1AFC9EFC1D" blockId="64.[151,1436,932,985]" pageId="64" pageNumber="65">
<emphasis id="B97FA612FFB5A20AFF36FC1AFE9AFC7E" bold="true" box="[151,287,932,954]" pageId="64" pageNumber="65">FIGURE 33.</emphasis>
<taxonomicName id="4C0B0183FFB5A20AFE84FC1AFD9DFC7E" authority="Blake, 2018" authorityName="Blake" authorityYear="2018" box="[293,536,932,954]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Terebellida" pageId="64" pageNumber="65" phylum="Annelida" rank="species" species="furvus" status="sp. nov.">
<emphasis id="B97FA612FFB5A20AFE84FC1AFD9DFC7E" box="[293,536,932,954]" italics="true" pageId="64" pageNumber="65">Chaetocirratulus furvus</emphasis>
</taxonomicName>
<emphasis id="B97FA612FFB5A20AFDBFFC1AFDD2FC7E" bold="true" box="[542,599,932,954]" pageId="64" pageNumber="65">
<taxonomicNameLabel id="A24C1B69FFB5A20AFDBFFC1AFDD2FC7E" box="[542,599,932,954]" pageId="64" pageNumber="65" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view.
</paragraph>
</caption>
<caption id="DF742A88FFB5A20AFF36F881FD57F8B0" ID-DOI="http://doi.org/10.5281/zenodo.3771286" ID-Zenodo-Dep="3771286" httpUri="https://zenodo.org/record/3771286/files/figure.png" pageId="64" pageNumber="65" startId="64.[151,250,1855,1877]" targetBox="[162,1429,1046,1825]" targetPageId="64">
<paragraph id="8BB47A00FFB5A20AFF36F881FD57F8B0" blockId="64.[151,1436,1855,1908]" pageId="64" pageNumber="65">
<emphasis id="B97FA612FFB5A20AFF36F881FE9AF891" bold="true" box="[151,287,1855,1877]" pageId="64" pageNumber="65">FIGURE 34.</emphasis>
<taxonomicName id="4C0B0183FFB5A20AFE84F881FD92F891" authority="Blake, 2018" authorityName="Blake" authorityYear="2018" box="[293,535,1855,1877]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Terebellida" pageId="64" pageNumber="65" phylum="Annelida" rank="species" species="furvus" status="sp. nov.">
<emphasis id="B97FA612FFB5A20AFE84F881FD92F891" box="[293,535,1855,1877]" italics="true" pageId="64" pageNumber="65">Chaetocirratulus furvus</emphasis>
</taxonomicName>
<emphasis id="B97FA612FFB5A20AFDBFF881FDD2F891" bold="true" box="[542,599,1855,1877]" pageId="64" pageNumber="65">
<taxonomicNameLabel id="A24C1B69FFB5A20AFDBFF881FDD2F891" box="[542,599,1855,1877]" pageId="64" pageNumber="65" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
Photomicrographs of holotype (USNM 1490735): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view.
</paragraph>
</caption>
<paragraph id="8BB47A00FFB5A20BFF66F81EFB2BFE84" blockId="64.[151,1436,1952,2013]" lastBlockId="65.[151,1436,151,1149]" lastPageId="65" lastPageNumber="66" pageId="64" pageNumber="65">
Pre-setigerous region relatively short, bulky, slightly longer than wide, broadly rounded anteriorly, bearing short, triangular prostomium narrowing to rounded tip (
<figureCitation id="13306685FFB5A20AFCA7F87AFCFDF819" box="[774,888,1988,2013]" captionStart="FIGURE 33" captionStartId="64.[151,250,932,954]" captionTargetBox="[181,1417,216,862]" captionTargetId="figure@64.[150,1436,193,911]" captionTargetPageId="64" captionText="FIGURE 33. Chaetocirratulus furvus n. sp. Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view." figureDoi="http://doi.org/10.5281/zenodo.3771284" httpUri="https://zenodo.org/record/3771284/files/figure.png" pageId="64" pageNumber="65">Figs. 33A</figureCitation>
,
<figureCitation id="13306685FFB5A20AFC22F87BFC25F819" box="[899,928,1989,2013]" captionStart="FIGURE 34" captionStartId="64.[151,250,1855,1877]" captionTargetBox="[162,1429,1046,1825]" captionTargetId="figure@64.[151,1435,1035,1834]" captionTargetPageId="64" captionText="FIGURE 34. Chaetocirratulus furvus n. sp. Photomicrographs of holotype (USNM 1490735): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.3771286" httpUri="https://zenodo.org/record/3771286/files/figure.png" pageId="64" pageNumber="65">34</figureCitation>
AB); eyespots absent; nuchal organs narrow grooves at posterior lateral margins. Peristomium dorsally elevated but not as a separate crest, with four weakly developed annular rings, denoted by three thin grooves as lines across dorsum (
<figureCitation id="13306685FFB4A20BFBE0FF02FB2BFF10" box="[1089,1198,188,213]" captionStart="FIGURE 33" captionStartId="64.[151,250,932,954]" captionTargetBox="[181,1417,216,862]" captionTargetId="figure@64.[150,1436,193,911]" captionTargetPageId="64" captionText="FIGURE 33. Chaetocirratulus furvus n. sp. Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view." figureDoi="http://doi.org/10.5281/zenodo.3771284" httpUri="https://zenodo.org/record/3771284/files/figure.png" pageId="65" pageNumber="66">Fig. 33A</figureCitation>
); ventrally, first two peristomial rings forming lower lip of mouth (
<figureCitation id="13306685FFB4A20BFD6BFF61FCB2FF3C" box="[714,823,223,248]" captionStart="FIGURE 34" captionStartId="64.[151,250,1855,1877]" captionTargetBox="[162,1429,1046,1825]" captionTargetId="figure@64.[151,1435,1035,1834]" captionTargetPageId="64" captionText="FIGURE 34. Chaetocirratulus furvus n. sp. Photomicrographs of holotype (USNM 1490735): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.3771286" httpUri="https://zenodo.org/record/3771286/files/figure.png" pageId="65" pageNumber="66">Fig. 34B</figureCitation>
). Dorsal tentacles arising from posterior margin of peristomium (
<figureCitation id="13306685FFB4A20BFE98FEBAFE22FED8" box="[313,423,260,285]" captionStart="FIGURE 33" captionStartId="64.[151,250,932,954]" captionTargetBox="[181,1417,216,862]" captionTargetId="figure@64.[150,1436,193,911]" captionTargetPageId="64" captionText="FIGURE 33. Chaetocirratulus furvus n. sp. Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view." figureDoi="http://doi.org/10.5281/zenodo.3771284" httpUri="https://zenodo.org/record/3771284/files/figure.png" pageId="65" pageNumber="66">Fig. 33A</figureCitation>
); first pair of branchiae arising lateral to dorsal tentacles also on posterior margin of peristomium (
<figureCitation id="13306685FFB4A20BFE95FE99FE18FE84" box="[308,413,295,320]" captionStart="FIGURE 33" captionStartId="64.[151,250,932,954]" captionTargetBox="[181,1417,216,862]" captionTargetId="figure@64.[150,1436,193,911]" captionTargetPageId="64" captionText="FIGURE 33. Chaetocirratulus furvus n. sp. Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view." figureDoi="http://doi.org/10.5281/zenodo.3771284" httpUri="https://zenodo.org/record/3771284/files/figure.png" pageId="65" pageNumber="66">Fig. 33A</figureCitation>
). Second pair of branchiae on setiger 1 dorsal to notosetae (
<figureCitation id="13306685FFB4A20BFB98FE99FB24FE84" box="[1081,1185,295,320]" captionStart="FIGURE 33" captionStartId="64.[151,250,932,954]" captionTargetBox="[181,1417,216,862]" captionTargetId="figure@64.[150,1436,193,911]" captionTargetPageId="64" captionText="FIGURE 33. Chaetocirratulus furvus n. sp. Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view." figureDoi="http://doi.org/10.5281/zenodo.3771284" httpUri="https://zenodo.org/record/3771284/files/figure.png" pageId="65" pageNumber="66">Fig. 33A</figureCitation>
).
</paragraph>
<paragraph id="8BB47A00FFB4A20BFF66FEF2FBD2FDA4" blockId="65.[151,1436,151,1149]" pageId="65" pageNumber="66">
Parapodia of anterior setigers well developed, forming rounded shoulders along lateral margins (
<figureCitation id="13306685FFB4A20BFA85FEF2FA15FEA0" box="[1316,1424,332,357]" captionStart="FIGURE 33" captionStartId="64.[151,250,932,954]" captionTargetBox="[181,1417,216,862]" captionTargetId="figure@64.[150,1436,193,911]" captionTargetPageId="64" captionText="FIGURE 33. Chaetocirratulus furvus n. sp. Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view." figureDoi="http://doi.org/10.5281/zenodo.3771284" httpUri="https://zenodo.org/record/3771284/files/figure.png" pageId="65" pageNumber="66">Fig. 33A</figureCitation>
). Noto- and neuropodia of first 1520 segments with 1216 capillaries arranged in two rows with those of second row thicker than those of first. Setae reduced to three thick and three thin capillary setae by setiger 30; thick capillaries of neuropodia transitioning to three blunt tipped spines accompanied by 12 thin capillaries by setigers 3037; two spines first present in notopodia from setigers 3537. Spines and capillaries continuing along body to posterior end, typically with two spines and 12 capillaries in notopodia and 23 spines and 12 capillaries in neuropodia; parapodia not elevated, setae not forming cinctures. Spines relatively inconspicuous along body, golden in color, straight to weakly sigmoid, tapering to narrow blunted tip (
<figureCitation id="13306685FFB4A20BFC42FDF9FBCFFDA4" box="[995,1098,583,608]" captionStart="FIGURE 33" captionStartId="64.[151,250,932,954]" captionTargetBox="[181,1417,216,862]" captionTargetId="figure@64.[150,1436,193,911]" captionTargetPageId="64" captionText="FIGURE 33. Chaetocirratulus furvus n. sp. Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view." figureDoi="http://doi.org/10.5281/zenodo.3771284" httpUri="https://zenodo.org/record/3771284/files/figure.png" pageId="65" pageNumber="66">Fig. 33C</figureCitation>
).
</paragraph>
<paragraph id="8BB47A00FFB4A20BFF66FDD2FD4CFD6C" blockId="65.[151,1436,151,1149]" pageId="65" pageNumber="66">
Expanded posterior end terminating in pygidium with a few papillae dorsal to anal opening and rounded ventral lobe below anal opening (
<figureCitation id="13306685FFB4A20BFDAFFD31FDF8FD6C" box="[526,637,655,680]" captionStart="FIGURE 33" captionStartId="64.[151,250,932,954]" captionTargetBox="[181,1417,216,862]" captionTargetId="figure@64.[150,1436,193,911]" captionTargetPageId="64" captionText="FIGURE 33. Chaetocirratulus furvus n. sp. Holotype (USNM 1490735): A, anterior end, dorsal view; B, posterior end, dorsal view; C, parapodia from posterior body segment, anterior view." figureDoi="http://doi.org/10.5281/zenodo.3771284" httpUri="https://zenodo.org/record/3771284/files/figure.png" pageId="65" pageNumber="66">Figs. 33B</figureCitation>
,
<figureCitation id="13306685FFB4A20BFD28FD2EFD39FD6C" box="[649,700,656,680]" captionStart="FIGURE 34" captionStartId="64.[151,250,1855,1877]" captionTargetBox="[162,1429,1046,1825]" captionTargetId="figure@64.[151,1435,1035,1834]" captionTargetPageId="64" captionText="FIGURE 34. Chaetocirratulus furvus n. sp. Photomicrographs of holotype (USNM 1490735): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view." figureDoi="http://doi.org/10.5281/zenodo.3771286" httpUri="https://zenodo.org/record/3771286/files/figure.png" pageId="65" pageNumber="66">34C</figureCitation>
).
</paragraph>
<paragraph id="8BB47A00FFB4A20BFF66FD0AFDFDFC99" blockId="65.[151,1436,151,1149]" pageId="65" pageNumber="66">
<emphasis id="B97FA612FFB4A20BFF66FD0AFE3FFD09" bold="true" box="[199,442,692,717]" pageId="65" pageNumber="66">Methyl Green stain</emphasis>
. Entire pre-setigerous region retaining stain both dorsally and ventrally; parapodial shoulders of anterior setigers retaining stain on anterior border; stain retained between noto- and neurosetae of anterior and middle segments; dorsal surface not staining, but prominent transverse bands extending across venter of anterior segments with intersegmental areas clear. Segmental staining area encompasses and extends beyond transverse band of black pigment speckles.
</paragraph>
</subSubSection>
<subSubSection id="C311298BFFB4A20BFF66FCD9FD8FFC61" pageId="65" pageNumber="66" type="etymology">
<paragraph id="8BB47A00FFB4A20BFF66FCD9FD8FFC61" blockId="65.[151,1436,151,1149]" pageId="65" pageNumber="66">
<emphasis id="B97FA612FFB4A20BFF66FCD9FEC3FC44" bold="true" box="[199,326,871,896]" pageId="65" pageNumber="66">Etymology</emphasis>
. The epithet is from
<taxonomicName id="4C0B0183FFB4A20BFD8EFCD6FD3BFC44" authority=", Latin" authorityName="Latin" box="[559,702,871,896]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Terebellida" pageId="65" pageNumber="66" phylum="Annelida" rank="species" species="furvus">
<emphasis id="B97FA612FFB4A20BFD8EFCD6FDF0FC44" box="[559,629,872,896]" italics="true" pageId="65" pageNumber="66">furvus</emphasis>
, Latin
</taxonomicName>
for dusky or black, referring to the black bands of pigment on the anterior segments of this species.
</paragraph>
</subSubSection>
<subSubSection id="C311298BFFB4A20BFF66FC11FEFBFB9C" pageId="65" pageNumber="66" type="discussion">
<paragraph id="8BB47A00FFB4A20BFF66FC11FEFBFB9C" blockId="65.[151,1436,151,1149]" pageId="65" pageNumber="66">
<emphasis id="B97FA612FFB4A20BFF66FC11FEB1FC0C" bold="true" box="[199,308,943,968]" pageId="65" pageNumber="66">Remarks</emphasis>
.
<taxonomicName id="4C0B0183FFB4A20BFEE0FC11FDCBFC0C" authority="Blake, 2018" authorityName="Blake" authorityYear="2018" box="[321,590,943,968]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Terebellida" pageId="65" pageNumber="66" phylum="Annelida" rank="species" species="furvus" status="sp. nov.">
<emphasis id="B97FA612FFB4A20BFEE0FC11FDCBFC0C" box="[321,590,943,968]" italics="true" pageId="65" pageNumber="66">Chaetocirratulus furvus</emphasis>
</taxonomicName>
<emphasis id="B97FA612FFB4A20BFDF5FC11FD16FC0C" bold="true" box="[596,659,943,968]" pageId="65" pageNumber="66">
<taxonomicNameLabel id="A24C1B69FFB4A20BFDF5FC11FD16FC0C" box="[596,659,943,968]" pageId="65" pageNumber="66" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
differs from other species of the genus, but is somewhat similar to
<taxonomicName id="4C0B0183FFB4A20BFA23FC0EFE90FC29" authority="Blake, 2018" authorityName="Blake" authorityYear="2018" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Terebellida" pageId="65" pageNumber="66" phylum="Annelida" rank="species" species="neogracilis" status="sp. nov.">
<emphasis id="B97FA612FFB4A20BFA23FC0EFE90FC29" italics="true" pageId="65" pageNumber="66">C. neogracilis</emphasis>
</taxonomicName>
<emphasis id="B97FA612FFB4A20BFEBDFC6AFEDEFC29" bold="true" box="[284,347,980,1005]" pageId="65" pageNumber="66">
<taxonomicNameLabel id="A24C1B69FFB4A20BFEBDFC6AFEDEFC29" box="[284,347,980,1005]" pageId="65" pageNumber="66" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, which also occurs in deep water off
<collectingCountry id="F31C3A90FFB4A20BFD5FFC6BFCB1FC28" box="[766,820,981,1004]" name="Peru" pageId="65" pageNumber="66">Peru</collectingCountry>
, in having golden spines along the posterior half of the body. However, the spines of
<taxonomicName id="4C0B0183FFB4A20BFE4AFC46FDD6FBD4" authority="Blake, 2018" authorityName="Blake" authorityYear="2018" box="[491,595,1016,1040]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Terebellida" pageId="65" pageNumber="66" phylum="Annelida" rank="species" species="furvus" status="sp. nov.">
<emphasis id="B97FA612FFB4A20BFE4AFC46FDD6FBD4" box="[491,595,1016,1040]" italics="true" pageId="65" pageNumber="66">C. furvus</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A24C1B69FFB4A20BFDFAFC49FD19FBCB" box="[603,668,1015,1040]" pageId="65" pageNumber="66" rank="species">
<emphasis id="B97FA612FFB4A20BFDFAFC49FD11FBD4" bold="true" box="[603,660,1015,1040]" pageId="65" pageNumber="66">n. sp</emphasis>
.
</taxonomicNameLabel>
are smaller and less conspicuous and the pre-setigerous region and pygidial morphology are entirely different; in addition,
<taxonomicName id="4C0B0183FFB4A20BFCA1FBA3FC1BFBF1" authority="Blake, 2018" authorityName="Blake" authorityYear="2018" box="[768,926,1052,1077]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Terebellida" pageId="65" pageNumber="66" phylum="Annelida" rank="species" species="neogracilis" status="sp. nov.">
<emphasis id="B97FA612FFB4A20BFCA1FBA3FC1BFBF1" box="[768,926,1052,1077]" italics="true" pageId="65" pageNumber="66">C. neogracilis</emphasis>
</taxonomicName>
<emphasis id="B97FA612FFB4A20BFC05FBA2FC67FBF1" bold="true" box="[932,994,1052,1077]" pageId="65" pageNumber="66">
<taxonomicNameLabel id="A24C1B69FFB4A20BFC05FBA2FC67FBF1" box="[932,994,1052,1077]" pageId="65" pageNumber="66" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
does not have any pigment on the body as in
<taxonomicName id="4C0B0183FFB4A20BFF73FBFEFEBCFB9C" authority="Blake, 2018" authorityName="Blake" authorityYear="2018" box="[210,313,1088,1112]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" order="Terebellida" pageId="65" pageNumber="66" phylum="Annelida" rank="species" species="furvus" status="sp. nov.">
<emphasis id="B97FA612FFB4A20BFF73FBFEFEBCFB9C" box="[210,313,1088,1112]" italics="true" pageId="65" pageNumber="66">C. furvus</emphasis>
</taxonomicName>
<emphasis id="B97FA612FFB4A20BFE9EFB81FEFBFB9C" bold="true" box="[319,382,1087,1112]" pageId="65" pageNumber="66">
<taxonomicNameLabel id="A24C1B69FFB4A20BFE9EFB81FEFBFB9C" box="[319,382,1087,1112]" pageId="65" pageNumber="66" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="C311298BFFB4A20BFF66FBDAFCF9FBB8" box="[199,892,1124,1149]" pageId="65" pageNumber="66" type="distribution">
<paragraph id="8BB47A00FFB4A20BFF66FBDAFCF9FBB8" blockId="65.[151,1436,151,1149]" box="[199,892,1124,1149]" pageId="65" pageNumber="66">
<emphasis id="B97FA612FFB4A20BFF66FBDAFEDCFBB9" bold="true" box="[199,345,1124,1149]" pageId="65" pageNumber="66">Distribution</emphasis>
. Known only from deep water off
<collectingCountry id="F31C3A90FFB4A20BFD7EFBDBFC90FBB8" box="[735,789,1125,1148]" name="Peru" pageId="65" pageNumber="66">Peru</collectingCountry>
,
<quantity id="4CF3D7E5FFB4A20BFC81FBDAFCFDFBB8" box="[800,888,1124,1148]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="65" pageNumber="66" unit="m" value="1000.0">1000 m</quantity>
.
</paragraph>
</subSubSection>
</treatment>
</document>