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<document id="AFEE7F5FBA1362B9E02811F71BCF3C62" ID-CLB-Dataset="31638" ID-DOI="10.11646/zootaxa.4343.1.1" ID-GBIF-Dataset="2b60af66-f747-47b2-8e43-2eb333131a4b" ID-ISSN="1175-5326" ID-Zenodo-Dep="1041210" ID-ZooBank="6E46EE12-D51F-48B0-BC66-0EBBAF9FA981" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1509696557008" checkinUser="plazi" docAuthor="Salazar-Vallejo, Sergio I." docDate="2017" docId="038B87B63420FFEB1AB7FF57FB80FB2B" docLanguage="en" docName="zootaxa.4343.1.1.pdf.imf" docOrigin="Zootaxa 4343 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Bradabyssa jirkovi Salazar-Vallejo 2017, n. sp." docType="treatment" docVersion="9" lastPageNumber="72" masterDocId="FFB2FFCE3466FFAC1A20FFC0FFE8FF94" masterDocTitle="Revision of Brada Stimpson, 1853, and Bradabyssa Hartman, 1967 (Annelida, Flabelligeridae)" masterLastPageNumber="98" masterPageNumber="1" pageNumber="71" updateTime="1698480659823" updateUser="ExternalLinkService">
<mods:mods id="87696CF783E56550B39C0693E1AFB3DD" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="0E4FCA839F6B787AEAE256CB983157F5">
<mods:title id="53785897F4E574020AE1DF285DAA0DCD">Revision of Brada Stimpson, 1853, and Bradabyssa Hartman, 1967 (Annelida, Flabelligeridae)</mods:title>
</mods:titleInfo>
<mods:name id="90607DC385F5F91BD25C6FE5F48514ED" type="personal">
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<mods:namePart id="E2B266D342550C9667CB74B57FD4C3CE">Salazar-Vallejo, Sergio I.</mods:namePart>
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<mods:typeOfResource id="D924BEDFECDFC3B1D22B267680AB453C">text</mods:typeOfResource>
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<mods:title id="643148B14E5BF70852153A3E1DF403F4">Zootaxa</mods:title>
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<mods:part id="222E62E993D91BBCDFAC2606A6156510">
<mods:date id="2E81974155F917C939906C039A81D257">2017</mods:date>
<mods:detail id="1A4D8BFA1EA40E83522F6C26333AACDA" type="pubDate">
<mods:number id="FB8A55D766FA44EEFB32C89915B3DECC">2017-11-03</mods:number>
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<mods:number id="1E7599DC8CA5483600C67D566D15292F">4343</mods:number>
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<mods:classification id="C919F8A83585C99595BFB02935F079AE">journal article</mods:classification>
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<mods:identifier id="C83976A33AF15BCD67825416FCEEEA25" type="DOI">10.11646/zootaxa.4343.1.1</mods:identifier>
<mods:identifier id="9A114F40171C4B9BBBB9FD04CDE7B0A8" type="GBIF-Dataset">2b60af66-f747-47b2-8e43-2eb333131a4b</mods:identifier>
<mods:identifier id="465C5BA7D1454642C9686EEE60B1243A" type="ISSN">1175-5326</mods:identifier>
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<treatment id="038B87B63420FFEB1AB7FF57FB80FB2B" ID-DOI="http://doi.org/10.5281/zenodo.6051187" ID-GBIF-Taxon="137233547" ID-Zenodo-Dep="6051187" LSID="urn:lsid:plazi:treatment:038B87B63420FFEB1AB7FF57FB80FB2B" httpUri="http://treatment.plazi.org/id/038B87B63420FFEB1AB7FF57FB80FB2B" lastPageId="71" lastPageNumber="72" pageId="70" pageNumber="71">
<subSubSection id="C338652B3420FFEA1AB7FF57FEEBFF47" pageId="70" pageNumber="71" type="nomenclature">
<paragraph id="8B9D36A03420FFEA1AB7FF57FE2AFF26" blockId="70.[151,450,151,211]" box="[151,450,151,178]" pageId="70" pageNumber="71">
<heading id="D0D581CC3420FFEA1AB7FF57FE2AFF26" bold="true" box="[151,450,151,178]" fontSize="11" level="1" pageId="70" pageNumber="71" reason="1">
<emphasis id="B956EAB23420FFEA1AB7FF57FE2AFF26" bold="true" box="[151,450,151,178]" pageId="70" pageNumber="71">
<taxonomicName id="4C224D233420FFEA1AB7FF57FE90FF25" authority="Salazar-Vallejo, 2017" authorityName="Salazar-Vallejo" authorityYear="2017" box="[151,376,151,177]" class="Polychaeta" family="Flabelligeridae" genus="Bradabyssa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Terebellida" pageId="70" pageNumber="71" phylum="Annelida" rank="species" species="jirkovi" status="sp. nov.">
<emphasis id="B956EAB23420FFEA1AB7FF57FE90FF25" bold="true" box="[151,376,151,177]" italics="true" pageId="70" pageNumber="71">Bradabyssa jirkovi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26557C93420FFEA1B5FFF58FE2AFF26" box="[383,450,152,178]" pageId="70" pageNumber="71" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8B9D36A03420FFEA1AB7FF7AFEEBFF47" blockId="70.[151,450,151,211]" box="[151,259,186,211]" pageId="70" pageNumber="71">
<figureCitation id="13192A253420FFEA1AB7FF7AFEEBFF47" box="[151,259,186,211]" captionStart="FIGURE 36" captionStartId="70.[151,250,1752,1774]" captionTargetBox="[182,1407,632,1725]" captionTargetId="figure@70.[172,1419,625,1725]" captionTargetPageId="70" captionText="FIGURE 36. Bradabyssa jirkovi n. sp., holotype (SIORAS 6085). A. Dorsal view. B. Anterior end, dorsal view. C. Same, ventral view (arrow points to gonopodial lobes, neurochaetae removed). Paratypes (ECOSUR 186): D. Head, frontal view, palps removed, branchiae on site. E. Same, close-up, right neuropodia from chaetigers 4 – 7 (arrow points to gonopodial lobe, most papillae brushed off). F. Chaetiger 14, right parapodium, notochaetal basal, subdistal and distal regions. G. Same, neurochaetal basal, medial and distal regions. Scale bars. A: 1.5 mm, B: 0.9 mm, C: 0.6 mm, D: 0.3 mm, E: 0.2 mm, F: 40 µm, G: 80 µm." httpUri="https://zenodo.org/record/1041282/files/figure.png" pageId="70" pageNumber="71">Figure 36</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C338652B3420FFEA1AB7FEC2FB89FE13" pageId="70" pageNumber="71" type="materials_examined">
<paragraph id="8B9D36A03420FFEA1AB7FEC2FB89FE13" blockId="70.[151,1437,258,607]" pageId="70" pageNumber="71">
<emphasis id="B956EAB23420FFEA1AB7FEC2FEABFE8F" bold="true" box="[151,323,258,283]" pageId="70" pageNumber="71">
<typeStatus id="549988023420FFEA1AB7FEC2FF3AFE8F" box="[151,210,258,283]" pageId="70" pageNumber="71">Type</typeStatus>
material
</emphasis>
.
<emphasis id="B956EAB23420FFEA1B77FEC2FC78FE8F" bold="true" box="[343,912,258,283]" pageId="70" pageNumber="71">Northeastern Pacific Ocean, Aleutian Trench.</emphasis>
<typeStatus id="549988023420FFEA19BCFEC2FBECFE8F" box="[924,1028,258,283]" pageId="70" pageNumber="71" type="holotype">Holotype</typeStatus>
(SIORAS 6085), and
<specimenCount id="9D24FD293420FFEA1F36FEC2FA74FE8F" box="[1302,1436,258,283]" pageId="70" pageNumber="71" type="generic" typeStatus="paratypes">6 paratypes</specimenCount>
(SIORAS 6085a,
<collectionCode id="ED33AE653420FFEA1B7DFEE7FE23FEAB" box="[349,459,295,319]" country="Mexico" httpUri="http://grbio.org/cool/dtqq-2t5p" name="El Colegio de la Frontera Sur (Mexico)" pageId="70" pageNumber="71">ECOSUR</collectionCode>
186), R.V. Vitjaz, Sta. 6085 (
<geoCoordinate id="EE1650673420FFEA1935FEE6FC79FEAA" box="[789,913,294,319]" direction="north" orientation="latitude" pageId="70" pageNumber="71" precision="92" value="50.81">50°48.6' N</geoCoordinate>
,
<geoCoordinate id="EE1650673420FFEA19BCFEE7FBC4FEAB" box="[924,1068,295,319]" direction="west" orientation="longitude" pageId="70" pageNumber="71" precision="92" value="-173.48334">173°29.0' W</geoCoordinate>
),
<quantity id="4CDA9B453420FFEA1E60FEE6FB35FEAA" box="[1088,1245,294,319]" metricMagnitude="3" metricUnit="m" metricValue="6.9825" metricValueMax="7.0" metricValueMin="6.965" pageId="70" pageNumber="71" unit="m" value="6982.5" valueMax="7000.0" valueMin="6965.0">6965–7000 m</quantity>
, Sigsbee trawl,
<date id="FF9C10603420FFEA1FAEFEE7FEE4FEF7" pageId="70" pageNumber="71" value="1969-05-01">1 May 1969</date>
(complete
<typeStatus id="549988023420FFEA1BB1FE8BFE15FEF7" box="[401,509,331,355]" pageId="70" pageNumber="71" type="paratype">paratypes</typeStatus>
<quantity id="4CDA9B453420FFEA1827FE8AFD6BFEF6" box="[519,643,330,355]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" metricValueMax="2.1" metricValueMin="1.5" pageId="70" pageNumber="71" unit="mm" value="18.0" valueMax="21.0" valueMin="15.0">15–21 mm</quantity>
long, 2.0–
<quantity id="4CDA9B453420FFEA1922FE8AFCB3FEF6" box="[770,859,330,355]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" pageId="70" pageNumber="71" unit="mm" value="3.5">3.5 mm</quantity>
wide, cephalic cage chaetae 1.0 mm long, 22–34 chaetigers; gonopodial lobes in chaetigers 5; 9–11 transverse series of dorsal papillae).
</paragraph>
</subSubSection>
<subSubSection id="C338652B3420FFEB1AE7FE52FA75FC00" lastPageId="71" lastPageNumber="72" pageId="70" pageNumber="71" type="description">
<paragraph id="8B9D36A03420FFEA1AE7FE52FCD8FDCB" blockId="70.[151,1437,258,607]" pageId="70" pageNumber="71">
<emphasis id="B956EAB23420FFEA1AE7FE52FEB9FE3F" bold="true" box="[199,337,402,427]" pageId="70" pageNumber="71">Description</emphasis>
.
<typeStatus id="549988023420FFEA1B40FE52FE20FE3F" box="[352,456,402,427]" pageId="70" pageNumber="71" type="holotype">Holotype</typeStatus>
(SIORAS 6085) complete, slightly dehydrated, soft, pale (greenish after Methyl green stain), some chaetae broken. Body elongate, anterior end wider, slightly fusiform (
<figureCitation id="13192A253420FFEA1E61FE76FB43FE5B" box="[1089,1195,438,463]" captionStart="FIGURE 36" captionStartId="70.[151,250,1752,1774]" captionTargetBox="[182,1407,632,1725]" captionTargetId="figure@70.[172,1419,625,1725]" captionTargetPageId="70" captionText="FIGURE 36. Bradabyssa jirkovi n. sp., holotype (SIORAS 6085). A. Dorsal view. B. Anterior end, dorsal view. C. Same, ventral view (arrow points to gonopodial lobes, neurochaetae removed). Paratypes (ECOSUR 186): D. Head, frontal view, palps removed, branchiae on site. E. Same, close-up, right neuropodia from chaetigers 4 – 7 (arrow points to gonopodial lobe, most papillae brushed off). F. Chaetiger 14, right parapodium, notochaetal basal, subdistal and distal regions. G. Same, neurochaetal basal, medial and distal regions. Scale bars. A: 1.5 mm, B: 0.9 mm, C: 0.6 mm, D: 0.3 mm, E: 0.2 mm, F: 40 µm, G: 80 µm." httpUri="https://zenodo.org/record/1041282/files/figure.png" pageId="70" pageNumber="71">Fig. 36A</figureCitation>
);
<quantity id="4CDA9B453420FFEA1EE1FE77FAF9FE5A" box="[1217,1297,439,463]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="70" pageNumber="71" unit="mm" value="30.0">30 mm</quantity>
long,
<quantity id="4CDA9B453420FFEA1F7AFE77FA75FE5A" box="[1370,1437,439,463]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="70" pageNumber="71" unit="mm" value="3.0">3 mm</quantity>
wide, cephalic cage 1.0 mm long, 33 chaetigers. Papillae abundant, filiform, slightly capitate, with fine looselyadhered sediment particles forming globose masses, more or less collapsed with each other during preservation. Removal of sediment reveals papillae filiform, thicker basally, about 8–9 transverse series per chaetiger. Papillae of posterior body region decreasing in size towards pygidium.
</paragraph>
<caption id="DF5D66283420FFEA1AB7F918FF17F81C" httpUri="https://zenodo.org/record/1041282/files/figure.png" pageId="70" pageNumber="71" targetBox="[182,1407,632,1725]" targetPageId="70">
<paragraph id="8B9D36A03420FFEA1AB7F918FF17F81C" blockId="70.[151,1436,1752,1928]" pageId="70" pageNumber="71">
<emphasis id="B956EAB23420FFEA1AB7F918FECAF979" bold="true" box="[151,290,1752,1774]" pageId="70" pageNumber="71">FIGURE 36.</emphasis>
<taxonomicName id="4C224D233420FFEA1B0BF918FE05F97A" authority="Salazar-Vallejo, 2017" authorityName="Salazar-Vallejo" authorityYear="2017" box="[299,493,1752,1774]" class="Polychaeta" family="Flabelligeridae" genus="Bradabyssa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Terebellida" pageId="70" pageNumber="71" phylum="Annelida" rank="species" species="jirkovi" status="sp. nov.">
<emphasis id="B956EAB23420FFEA1B0BF918FE05F97A" box="[299,493,1752,1774]" italics="true" pageId="70" pageNumber="71">Bradabyssa jirkovi</emphasis>
</taxonomicName>
<emphasis id="B956EAB23420FFEA1BD6F919FDDAF97A" bold="true" box="[502,562,1753,1774]" pageId="70" pageNumber="71">
<taxonomicNameLabel id="A26557C93420FFEA1BD6F919FDDAF97A" box="[502,562,1753,1774]" pageId="70" pageNumber="71" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, holotype (SIORAS 6085). A. Dorsal view. B. Anterior end, dorsal view. C. Same, ventral view (arrow points to gonopodial lobes, neurochaetae removed). Paratypes (ECOSUR 186): D. Head, frontal view, palps removed, branchiae on site. E. Same, close-up, right neuropodia from chaetigers 4–7 (arrow points to gonopodial lobe, most papillae brushed off). F. Chaetiger 14, right parapodium, notochaetal basal, subdistal and distal regions. G. Same, neurochaetal basal, medial and distal regions. Scale bars. A: 1.5 mm, B: 0.9 mm, C: 0.6 mm, D: 0.3 mm, E: 0.2 mm, F: 40 µm, G: 80 µm.
</paragraph>
</caption>
<paragraph id="8B9D36A03420FFEB1AE7F86FFCDDFF46" blockId="70.[151,1437,1967,2025]" lastBlockId="71.[151,1437,151,1215]" lastPageId="71" lastPageNumber="72" pageId="70" pageNumber="71">Anterior end features observed in paratype (ECOSUR 186). Prostomium low cone, pale. Eyes not seen. Caruncle poorly developed, median keel low, lateral ridges low, continued posteriorly, not reaching posterior margin of branchial membrane. Palps thick, very short after contraction, darker dorsally; palp keels rounded, low. Lateral lips well developed; ventral and dorsal lips reduced.</paragraph>
<paragraph id="8B9D36A03421FFEB1AE7FF1AFD05FEA1" blockId="71.[151,1437,151,1215]" pageId="71" pageNumber="72">
Branchiae cirriform, most pale, sessile on branchial plate, arranged in lateral groups (
<figureCitation id="13192A253421FFEB1E92FF1AFAF7FF67" box="[1202,1311,218,243]" captionStart="FIGURE 36" captionStartId="70.[151,250,1752,1774]" captionTargetBox="[182,1407,632,1725]" captionTargetId="figure@70.[172,1419,625,1725]" captionTargetPageId="70" captionText="FIGURE 36. Bradabyssa jirkovi n. sp., holotype (SIORAS 6085). A. Dorsal view. B. Anterior end, dorsal view. C. Same, ventral view (arrow points to gonopodial lobes, neurochaetae removed). Paratypes (ECOSUR 186): D. Head, frontal view, palps removed, branchiae on site. E. Same, close-up, right neuropodia from chaetigers 4 – 7 (arrow points to gonopodial lobe, most papillae brushed off). F. Chaetiger 14, right parapodium, notochaetal basal, subdistal and distal regions. G. Same, neurochaetal basal, medial and distal regions. Scale bars. A: 1.5 mm, B: 0.9 mm, C: 0.6 mm, D: 0.3 mm, E: 0.2 mm, F: 40 µm, G: 80 µm." httpUri="https://zenodo.org/record/1041282/files/figure.png" pageId="71" pageNumber="72">Fig. 36D</figureCitation>
); about 50 filaments per group, marginal filaments largest, basal and central ones smaller. Longest filaments about half as long as palps. Nephridial lobes in branchial plate not seen.
</paragraph>
<paragraph id="8B9D36A03421FFEB1AE7FEFEFDD4FE0E" blockId="71.[151,1437,151,1215]" pageId="71" pageNumber="72">Cephalic cage reduced, chaetae as long as 1/30 body length, or about half body width. Chaetiger 1 involved in cephalic cage; chaetae arranged in short dorsoventral series; 2 notochaetae and 3 neurochaetae per fascicle; first neuropodia not projecting or swollen.</paragraph>
<paragraph id="8B9D36A03421FFEB1AE7FE62FE76FD8B" blockId="71.[151,1437,151,1215]" pageId="71" pageNumber="72">
Anterior dorsal margin of first chaetiger papillated, rounded (
<figureCitation id="13192A253421FFEB195BFE62FC0AFE2F" box="[891,994,418,443]" captionStart="FIGURE 36" captionStartId="70.[151,250,1752,1774]" captionTargetBox="[182,1407,632,1725]" captionTargetId="figure@70.[172,1419,625,1725]" captionTargetPageId="70" captionText="FIGURE 36. Bradabyssa jirkovi n. sp., holotype (SIORAS 6085). A. Dorsal view. B. Anterior end, dorsal view. C. Same, ventral view (arrow points to gonopodial lobes, neurochaetae removed). Paratypes (ECOSUR 186): D. Head, frontal view, palps removed, branchiae on site. E. Same, close-up, right neuropodia from chaetigers 4 – 7 (arrow points to gonopodial lobe, most papillae brushed off). F. Chaetiger 14, right parapodium, notochaetal basal, subdistal and distal regions. G. Same, neurochaetal basal, medial and distal regions. Scale bars. A: 1.5 mm, B: 0.9 mm, C: 0.6 mm, D: 0.3 mm, E: 0.2 mm, F: 40 µm, G: 80 µm." httpUri="https://zenodo.org/record/1041282/files/figure.png" pageId="71" pageNumber="72">Fig. 36B</figureCitation>
). Chaetal transition from cephalic cage to body chaetae abrupt; large aristate neurospines present from chaetiger 2. Ventral gonopodial lobes in chaetiger 5, each short, slightly darker than surrounding area, basally swollen, tip rounded; visible only after brushing off the sediment (
<figureCitation id="13192A253421FFEB1B2BFDC6FE79FD8B" box="[267,401,518,543]" captionStart="FIGURE 36" captionStartId="70.[151,250,1752,1774]" captionTargetBox="[182,1407,632,1725]" captionTargetId="figure@70.[172,1419,625,1725]" captionTargetPageId="70" captionText="FIGURE 36. Bradabyssa jirkovi n. sp., holotype (SIORAS 6085). A. Dorsal view. B. Anterior end, dorsal view. C. Same, ventral view (arrow points to gonopodial lobes, neurochaetae removed). Paratypes (ECOSUR 186): D. Head, frontal view, palps removed, branchiae on site. E. Same, close-up, right neuropodia from chaetigers 4 – 7 (arrow points to gonopodial lobe, most papillae brushed off). F. Chaetiger 14, right parapodium, notochaetal basal, subdistal and distal regions. G. Same, neurochaetal basal, medial and distal regions. Scale bars. A: 1.5 mm, B: 0.9 mm, C: 0.6 mm, D: 0.3 mm, E: 0.2 mm, F: 40 µm, G: 80 µm." httpUri="https://zenodo.org/record/1041282/files/figure.png" pageId="71" pageNumber="72">Fig. 36C, E</figureCitation>
).
</paragraph>
<paragraph id="8B9D36A03421FFEB1AE7FDE7FA75FDF6" blockId="71.[151,1437,151,1215]" pageId="71" pageNumber="72">Parapodia poorly developed, chaetae emerge from body wall. Parapodia lateral; median neuropodia ventrolateral. Notopodia and neuropodia close to each other; notopodia short, low conical lobes, neuropodia larger.</paragraph>
<paragraph id="8B9D36A03421FFEB1AE7FDAAFB1FFCBB" blockId="71.[151,1437,151,1215]" pageId="71" pageNumber="72">
Median notochaetae in short series, two per fascicle, all multiarticulate capillaries, but articles restricted to distal chaetal half, articles very long, decreasing in size distally (
<figureCitation id="13192A253421FFEB19B9FD4CFBE8FD31" box="[921,1024,652,677]" captionStart="FIGURE 36" captionStartId="70.[151,250,1752,1774]" captionTargetBox="[182,1407,632,1725]" captionTargetId="figure@70.[172,1419,625,1725]" captionTargetPageId="70" captionText="FIGURE 36. Bradabyssa jirkovi n. sp., holotype (SIORAS 6085). A. Dorsal view. B. Anterior end, dorsal view. C. Same, ventral view (arrow points to gonopodial lobes, neurochaetae removed). Paratypes (ECOSUR 186): D. Head, frontal view, palps removed, branchiae on site. E. Same, close-up, right neuropodia from chaetigers 4 – 7 (arrow points to gonopodial lobe, most papillae brushed off). F. Chaetiger 14, right parapodium, notochaetal basal, subdistal and distal regions. G. Same, neurochaetal basal, medial and distal regions. Scale bars. A: 1.5 mm, B: 0.9 mm, C: 0.6 mm, D: 0.3 mm, E: 0.2 mm, F: 40 µm, G: 80 µm." httpUri="https://zenodo.org/record/1041282/files/figure.png" pageId="71" pageNumber="72">Fig. 36F</figureCitation>
), but terminal article long; chaetae (chaetiger 11) about as long as 2/3 body width. Neurochaetae multiarticulate capillaries in chaetiger 1; aristate neurospines from chaetiger 2, small, becoming larger in median neuropodia, decrease in size posteriorly, 3–4 neurochaetae in anterior chaetigers,
<quantity id="4CDA9B453421FFEB1865FD35FD7AFC9A" box="[581,658,757,782]" metricMagnitude="-1" metricUnit="m" metricValue="1.143" metricValueMax="1.27" metricValueMin="1.016" pageId="71" pageNumber="72" unit="in" value="4.5" valueMax="5.0" valueMin="4.0">4–5 in</quantity>
median chaetigers, only
<quantity id="4CDA9B453421FFEB19E4FD36FBF9FC9A" box="[964,1041,757,782]" metricMagnitude="-2" metricUnit="m" metricValue="3.81" metricValueMax="5.08" metricValueMin="2.54" pageId="71" pageNumber="72" unit="in" value="1.5" valueMax="2.0" valueMin="1.0">1–2 in</quantity>
posterior ones, most broken off. Neurospines with very short rings basally and medially, distally hyaline, curved, aristate (
<figureCitation id="13192A253421FFEB1EA1FCD6FB02FCBB" box="[1153,1258,790,815]" captionStart="FIGURE 36" captionStartId="70.[151,250,1752,1774]" captionTargetBox="[182,1407,632,1725]" captionTargetId="figure@70.[172,1419,625,1725]" captionTargetPageId="70" captionText="FIGURE 36. Bradabyssa jirkovi n. sp., holotype (SIORAS 6085). A. Dorsal view. B. Anterior end, dorsal view. C. Same, ventral view (arrow points to gonopodial lobes, neurochaetae removed). Paratypes (ECOSUR 186): D. Head, frontal view, palps removed, branchiae on site. E. Same, close-up, right neuropodia from chaetigers 4 – 7 (arrow points to gonopodial lobe, most papillae brushed off). F. Chaetiger 14, right parapodium, notochaetal basal, subdistal and distal regions. G. Same, neurochaetal basal, medial and distal regions. Scale bars. A: 1.5 mm, B: 0.9 mm, C: 0.6 mm, D: 0.3 mm, E: 0.2 mm, F: 40 µm, G: 80 µm." httpUri="https://zenodo.org/record/1041282/files/figure.png" pageId="71" pageNumber="72">Fig. 36G</figureCitation>
).
</paragraph>
<paragraph id="8B9D36A03421FFEB1AE7FCF8FE65FCE6" blockId="71.[151,1437,151,1215]" pageId="71" pageNumber="72">
Posterior end tapered into rounded cone (
<figureCitation id="13192A253421FFEB18B1FCF8FD11FCC5" box="[657,761,824,849]" captionStart="FIGURE 36" captionStartId="70.[151,250,1752,1774]" captionTargetBox="[182,1407,632,1725]" captionTargetId="figure@70.[172,1419,625,1725]" captionTargetPageId="70" captionText="FIGURE 36. Bradabyssa jirkovi n. sp., holotype (SIORAS 6085). A. Dorsal view. B. Anterior end, dorsal view. C. Same, ventral view (arrow points to gonopodial lobes, neurochaetae removed). Paratypes (ECOSUR 186): D. Head, frontal view, palps removed, branchiae on site. E. Same, close-up, right neuropodia from chaetigers 4 – 7 (arrow points to gonopodial lobe, most papillae brushed off). F. Chaetiger 14, right parapodium, notochaetal basal, subdistal and distal regions. G. Same, neurochaetal basal, medial and distal regions. Scale bars. A: 1.5 mm, B: 0.9 mm, C: 0.6 mm, D: 0.3 mm, E: 0.2 mm, F: 40 µm, G: 80 µm." httpUri="https://zenodo.org/record/1041282/files/figure.png" pageId="71" pageNumber="72">Fig. 36A</figureCitation>
); pygidium with anus terminal, provided with dark muscular ring; anal cirri absent.
</paragraph>
<paragraph id="8B9D36A03421FFEB1AE7FCBBFA75FC00" blockId="71.[151,1437,151,1215]" box="[199,1437,891,916]" pageId="71" pageNumber="72">
<emphasis id="B956EAB23421FFEB1AE7FCBBFEDDFC00" bold="true" box="[199,309,891,916]" pageId="71" pageNumber="72">Variation</emphasis>
.
<typeStatus id="549988023421FFEB1B65FCBCFE5AFC00" box="[325,434,892,916]" pageId="71" pageNumber="72" type="paratype">Paratypes</typeStatus>
<quantity id="4CDA9B453421FFEB1B98FCBBFDD8FC07" box="[440,560,891,916]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" metricValueMax="2.1" metricValueMin="1.5" pageId="71" pageNumber="72" unit="mm" value="18.0" valueMax="21.0" valueMin="15.0">15–21 mm</quantity>
long, 2.0–
<quantity id="4CDA9B453421FFEB1887FCBBFD13FC07" box="[679,763,891,916]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" pageId="71" pageNumber="72" unit="mm" value="3.5">3.5 mm</quantity>
wide, cephalic cage chaetae 1.0 mm long, 22–34 chaetigers.
</paragraph>
</subSubSection>
<subSubSection id="C338652B3421FFEB1AE7FC5CFEACFBAE" pageId="71" pageNumber="72" type="discussion">
<paragraph id="8B9D36A03421FFEB1AE7FC5CFEACFBAE" blockId="71.[151,1437,151,1215]" pageId="71" pageNumber="72">
<emphasis id="B956EAB23421FFEB1AE7FC5CFEDCFC21" bold="true" box="[199,308,924,949]" pageId="71" pageNumber="72">Remarks</emphasis>
.
<taxonomicName id="4C224D233421FFEB1B65FC5CFDF5FC21" authority="Salazar-Vallejo, 2017" authorityName="Salazar-Vallejo" authorityYear="2017" box="[325,541,924,949]" class="Polychaeta" family="Flabelligeridae" genus="Bradabyssa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Terebellida" pageId="71" pageNumber="72" phylum="Annelida" rank="species" species="jirkovi" status="sp. nov.">
<emphasis id="B956EAB23421FFEB1B65FC5CFDF5FC21" box="[325,541,924,949]" italics="true" pageId="71" pageNumber="72">Bradabyssa jirkovi</emphasis>
</taxonomicName>
<emphasis id="B956EAB23421FFEB1808FC5CFD82FC21" bold="true" box="[552,618,924,949]" pageId="71" pageNumber="72">
<taxonomicNameLabel id="A26557C93421FFEB1808FC5CFD82FC21" box="[552,618,924,949]" pageId="71" pageNumber="72" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is very similar to
<taxonomicName id="4C224D233421FFEB1968FC5DFC0BFC21" authority="Salazar-Vallejo, 2017" authorityName="Salazar-Vallejo" authorityYear="2017" box="[840,995,924,949]" class="Polychaeta" family="Flabelligeridae" genus="Bradabyssa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Terebellida" pageId="71" pageNumber="72" phylum="Annelida" rank="species" species="hartmanae" status="sp. nov.">
<emphasis id="B956EAB23421FFEB1968FC5DFC0BFC21" box="[840,995,924,949]" italics="true" pageId="71" pageNumber="72">B. hartmanae</emphasis>
</taxonomicName>
<emphasis id="B956EAB23421FFEB19CEFC5CFBD9FC21" bold="true" box="[1006,1073,924,949]" pageId="71" pageNumber="72">
<taxonomicNameLabel id="A26557C93421FFEB19CEFC5CFBD9FC21" box="[1006,1073,924,949]" pageId="71" pageNumber="72" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
as both possess multiarticulate notochaetae with articles restricted to the distal half or third. However, whereas in
<taxonomicName id="4C224D233421FFEB1E69FC7EFB5AFC42" authorityName="Salazar-Vallejo" authorityYear="2017" box="[1097,1202,957,982]" class="Polychaeta" family="Flabelligeridae" genus="Bradabyssa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Terebellida" pageId="71" pageNumber="72" phylum="Annelida" rank="species" species="jirkovi">
<emphasis id="B956EAB23421FFEB1E69FC7EFB5AFC42" box="[1097,1202,957,982]" italics="true" pageId="71" pageNumber="72">B. jirkovi</emphasis>
</taxonomicName>
the articles are very long throughout the articulated region, in
<taxonomicName id="4C224D233421FFEB1859FC20FCFCFC63" authorityName="Salazar-Vallejo" authorityYear="2017" box="[633,788,990,1015]" class="Polychaeta" family="Flabelligeridae" genus="Bradabyssa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Terebellida" pageId="71" pageNumber="72" phylum="Annelida" rank="species" species="hartmanae">
<emphasis id="B956EAB23421FFEB1859FC20FCFCFC63" box="[633,788,990,1015]" italics="true" pageId="71" pageNumber="72">B. hartmanae</emphasis>
</taxonomicName>
the articles are medium-sized, becoming slightly longer distally. Most other species have a single superior notochaeta with long articles and the rest of the notochaetae with shorter articles.
</paragraph>
</subSubSection>
<subSubSection id="C338652B3421FFEB1AE7FB83FE7CFB0A" pageId="71" pageNumber="72" type="etymology">
<paragraph id="8B9D36A03421FFEB1AE7FB83FE7CFB0A" blockId="71.[151,1437,151,1215]" pageId="71" pageNumber="72">
<emphasis id="B956EAB23421FFEB1AE7FB83FEAEFBC8" bold="true" box="[199,326,1091,1116]" pageId="71" pageNumber="72">Etymology</emphasis>
. This species is named after Dr. Igor A. Jirkov, a hard-working specialist of terebellomorph polychaetes, from the
<collectingRegion id="49E6F8423421FFEB1BB4FBA5FE1CFBE8" box="[404,500,1125,1148]" country="Russia" name="Moscow" pageId="71" pageNumber="72">Moscow</collectingRegion>
State University, in recognition of his many contributions dealing with Arctic and Subarctic polychaetes.
</paragraph>
</subSubSection>
<subSubSection id="C338652B3421FFEB1AE7FB66FB80FB2B" box="[199,1128,1190,1215]" pageId="71" pageNumber="72" type="distribution">
<paragraph id="8B9D36A03421FFEB1AE7FB66FB80FB2B" blockId="71.[151,1437,151,1215]" box="[199,1128,1190,1215]" pageId="71" pageNumber="72">
<emphasis id="B956EAB23421FFEB1AE7FB66FEB1FB2B" bold="true" box="[199,345,1190,1215]" pageId="71" pageNumber="72">Distribution</emphasis>
. Aleutian trench, Northeastern Pacific Ocean, in about
<quantity id="4CDA9B453421FFEB19E6FB67FBF3FB2B" box="[966,1051,1191,1215]" metricMagnitude="3" metricUnit="m" metricValue="7.0" pageId="71" pageNumber="72" unit="m" value="7000.0">7000 m</quantity>
depth.
</paragraph>
</subSubSection>
</treatment>
</document>
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