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<document id="E90320B821FA73F257DF5B33482932A8" ID-DOI="10.11646/zootaxa.4033.1.3" ID-GBIF-Dataset="5ed7ad78-1c25-4690-98d7-df6929e4b01d" ID-ISSN="1175-5326" ID-Zenodo-Dep="289810" ID-ZooBank="9C0A63B6-5532-484D-BBD7-EDD5250D4ABA" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461295996980" checkinUser="plazi" docAuthor="Blake, James A." docDate="2015" docId="038D87CDFFA5BC00FF16FF52FDC9F80B" docLanguage="en" docName="zt04033p093.pdf" docOrigin="Zootaxa 4033 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Pseudoscalibregma palmeri Blake, 2015, new species" docType="treatment" docVersion="5" lastPageNumber="78" masterDocId="FFB4FFB5FFB6BC15FF81FFC5FFCEFF98" masterDocTitle="New species of Scalibregmatidae (Annelida, Polychaeta) from the East Antarctic Peninsula including a description of the ecology and post-larval development of species of Scalibregma and Oligobregma" masterLastPageNumber="93" masterPageNumber="57" pageNumber="76" updateTime="1698616504309" updateUser="plazi">
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<mods:title id="BBE0162C6CD1E31AE3A78A96A5534814">New species of Scalibregmatidae (Annelida, Polychaeta) from the East Antarctic Peninsula including a description of the ecology and post-larval development of species of Scalibregma and Oligobregma</mods:title>
</mods:titleInfo>
<mods:name id="B27503F03B3332DFBF8C6748E7D51BF0" type="personal">
<mods:role id="26F15D3A3F531EDC4880D1E56690A044">
<mods:roleTerm id="72192D95B94B0F62E30817FF70512143">Author</mods:roleTerm>
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<mods:namePart id="697FB675B87D4B6132084DFF525C69FF">Blake, James A.</mods:namePart>
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<mods:title id="B7573BA370CB34CF88D172913CF2E661">Zootaxa</mods:title>
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<mods:part id="179E99BE08D23A6F6E6F6F2DFB62BB5E">
<mods:date id="D2B39BF6E99395CEDFE84342D1D297A3">2015</mods:date>
<mods:detail id="23D581CD22286E2983A87835675FAE5C" type="volume">
<mods:number id="800AB6A1FCE68C5A6009A3109590BC7E">4033</mods:number>
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<mods:classification id="E8013CD72E16C65F59584D1EC00730B0">journal article</mods:classification>
<mods:identifier id="84BD780A913962A011802F8DA62CCD18" type="DOI">10.11646/zootaxa.4033.1.3</mods:identifier>
<mods:identifier id="22D1BD4CC41F9476913CA260D7DF01EB" type="GBIF-Dataset">5ed7ad78-1c25-4690-98d7-df6929e4b01d</mods:identifier>
<mods:identifier id="8248AE9AEACD980B9367DFDB4497E270" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="A9007DAE21CE05429583ECF907E653BD" type="Zenodo-Dep">289810</mods:identifier>
<mods:identifier id="3EABAFCC2B14582CB1BF54F1B036FB96" type="ZooBank">9C0A63B6-5532-484D-BBD7-EDD5250D4ABA</mods:identifier>
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<treatment id="038D87CDFFA5BC00FF16FF52FDC9F80B" ID-DOI="http://doi.org/10.5281/zenodo.6102457" ID-GBIF-Taxon="127693783" ID-Zenodo-Dep="6102457" LSID="urn:lsid:plazi:treatment:038D87CDFFA5BC00FF16FF52FDC9F80B" httpUri="http://treatment.plazi.org/id/038D87CDFFA5BC00FF16FF52FDC9F80B" lastPageId="21" lastPageNumber="78" pageId="19" pageNumber="76">
<subSubSection id="C33E6550FFA5BC06FF16FF52FE9EFF4A" pageId="19" pageNumber="76" type="nomenclature">
<paragraph id="8B9B36DBFFA5BC06FF16FF52FDB2FF2A" blockId="19.[151,636,151,211]" box="[151,636,151,178]" pageId="19" pageNumber="76">
<heading id="D0D381B7FFA5BC06FF16FF52FDB2FF2A" bold="true" box="[151,636,151,178]" fontSize="11" level="1" pageId="19" pageNumber="76" reason="1">
<emphasis id="B950EAC9FFA5BC06FF16FF52FDB2FF2A" bold="true" box="[151,636,151,178]" pageId="19" pageNumber="76">
<taxonomicName id="4C244D58FFA5BC06FF16FF52FE28FF29" ID-CoL="6WH7Z" box="[151,486,151,177]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="species" species="palmeri" status="sp. nov.">
<emphasis id="B950EAC9FFA5BC06FF16FF52FE28FF29" bold="true" box="[151,486,151,177]" italics="true" pageId="19" pageNumber="76">Pseudoscalibregma palmeri</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26357B2FFA5BC06FE6DFF5DFDB2FF2A" box="[492,636,152,178]" pageId="19" pageNumber="76" rank="species">new species</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8B9B36DBFFA5BC06FF16FF7FFE9EFF4A" blockId="19.[151,636,151,211]" box="[151,336,186,211]" pageId="19" pageNumber="76">
<figureCitation id="131F2A5EFFA5BC06FF16FF7FFF31FF4B" box="[151,255,186,211]" captionStart="FIGURE 6" captionStartId="20.[151,250,1802,1824]" captionTargetBox="[151,1436,208,1763]" captionTargetId="figure@20.[151,1436,193,1781]" captionTargetPageId="20" captionText="FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger. — Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove." httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="19" pageNumber="76">Figures 6</figureCitation>
A‒E; 7
</paragraph>
</subSubSection>
<subSubSection id="C33E6550FFA5BC06FF16FEC7FC3AFEFB" pageId="19" pageNumber="76" type="materials_examined">
<paragraph id="8B9B36DBFFA5BC06FF16FEC7FC3AFEFB" blockId="19.[151,1437,258,2011]" pageId="19" pageNumber="76">
<emphasis id="B950EAC9FFA5BC06FF16FEC7FD07FE83" bold="true" box="[151,713,258,283]" pageId="19" pageNumber="76">
Material examined. East
<collectingCountry id="F333764BFFA5BC06FE57FEC7FD89FE83" box="[470,583,258,283]" name="Antarctica" pageId="19" pageNumber="76">Antarctic</collectingCountry>
Peninsula
</emphasis>
,
<collectionCode id="ED35AE1EFFA5BC06FD5CFEC6FCD0FE82" box="[733,798,259,282]" pageId="19" pageNumber="76">RVIB</collectionCode>
<emphasis id="B950EAC9FFA5BC06FCAAFEC7FBD1FE83" box="[811,1055,258,283]" italics="true" pageId="19" pageNumber="76">Nathaniel B. Palmer</emphasis>
Cruise
<date id="FF9A101BFFA5BC06FB03FEC6FB2FFE83" box="[1154,1249,259,283]" pageId="19" pageNumber="76" value="2000" valueMax="2003">2000-03</date>
, Collector, J.A. Blake.—
<emphasis id="B950EAC9FFA5BC06FF7AFEE3FDD5FEA7" bold="true" box="[251,539,294,319]" pageId="19" pageNumber="76">Prince Gustav Channel</emphasis>
, Sta. NBP-01,
<quantity id="4CDC9B3EFFA5BC06FD53FEE3FCEEFEA6" box="[722,800,294,319]" metricMagnitude="2" metricUnit="m" metricValue="7.68" pageId="19" pageNumber="76" unit="m" value="768.0">768 m</quantity>
, 1
<emphasis id="B950EAC9FFA5BC06FCCAFEE3FC78FEA7" bold="true" box="[843,950,294,319]" pageId="19" pageNumber="76">
<typeStatus id="549F8879FFA5BC06FCCAFEE3FC78FEA7" box="[843,950,294,319]" pageId="19" pageNumber="76" type="paratype">paratype</typeStatus>
</emphasis>
(
<collectionCode id="ED35AE1EFFA5BC06FC48FEE2FBD2FEA7" LSID="urn:lsid:biocol.org:col:34802" box="[969,1052,295,319]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34802" name="Natural History Museum of Los Angeles County" pageId="19" pageNumber="76">LACM</collectionCode>
Poly 7008).—
<emphasis id="B950EAC9FFA5BC06FB4AFEE3FAA4FEA7" bold="true" box="[1227,1386,294,319]" pageId="19" pageNumber="76">Weddell Sea,</emphasis>
Off Lindenberg
<collectingCountry id="F333764BFFA5BC06FE9FFE8FFEABFEFB" box="[286,357,330,355]" name="Iceland" pageId="19" pageNumber="76">Island</collectingCountry>
, Sta. NBP-03,
<quantity id="4CDC9B3EFFA5BC06FD8DFE8FFD9BFEFA" box="[524,597,330,355]" metricMagnitude="2" metricUnit="m" metricValue="3.85" pageId="19" pageNumber="76" unit="m" value="385.0">385 m</quantity>
,
<emphasis id="B950EAC9FFA5BC06FDE0FE8FFD06FEFB" bold="true" box="[609,712,330,355]" pageId="19" pageNumber="76">
<typeStatus id="549F8879FFA5BC06FDE0FE8FFD06FEFB" box="[609,712,330,355]" pageId="19" pageNumber="76" type="holotype">holotype</typeStatus>
</emphasis>
(LACM-AHF Poly 7009).
</paragraph>
</subSubSection>
<subSubSection id="C33E6550FFA5BC06FF46FEABFDC5FB7F" pageId="19" pageNumber="76" type="description">
<paragraph id="8B9B36DBFFA5BC06FF46FEABFA4BFD3F" blockId="19.[151,1437,258,2011]" pageId="19" pageNumber="76">
<emphasis id="B950EAC9FFA5BC06FF46FEABFE9FFE1F" bold="true" box="[199,337,366,391]" pageId="19" pageNumber="76">Description</emphasis>
.
<typeStatus id="549F8879FFA5BC06FEE9FEABFE1EFE1F" box="[360,464,366,391]" pageId="19" pageNumber="76" type="holotype">Holotype</typeStatus>
incomplete,
<quantity id="4CDC9B3EFFA5BC06FDF2FEABFD1CFE1E" box="[627,722,366,391]" metricMagnitude="-3" metricUnit="m" metricValue="6.2" pageId="19" pageNumber="76" unit="mm" value="6.2">6.2 mm</quantity>
long,
<quantity id="4CDC9B3EFFA5BC06FCABFEABFC47FE1E" box="[810,905,366,391]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="19" pageNumber="76" unit="mm" value="1.5">1.5 mm</quantity>
wide for 21 setigerous segments;
<typeStatus id="549F8879FFA5BC06FABDFEAAFA52FE1F" box="[1340,1436,367,391]" pageId="19" pageNumber="76" type="paratype">paratype</typeStatus>
incomplete,
<quantity id="4CDC9B3EFFA5BC06FEA0FE56FEB6FE32" box="[289,376,403,427]" metricMagnitude="-3" metricUnit="m" metricValue="3.2" pageId="19" pageNumber="76" unit="mm" value="3.2">3.2 mm</quantity>
long,
<quantity id="4CDC9B3EFFA5BC06FE3FFE56FDDBFE32" box="[446,533,403,427]" metricMagnitude="-3" metricUnit="m" metricValue="1.2" pageId="19" pageNumber="76" unit="mm" value="1.2">1.2 mm</quantity>
wide with 16 setigerous segments. Body with weakly expanded thoracic region, narrowing posteriorly. Color in alcohol light tan, with reddish pigmented glands dorsally on setigers 3‒4 and ventrally on setigers 3‒6 (
<figureCitation id="131F2A5EFFA5BC06FE4AFE1FFDD2FE6B" box="[459,540,474,499]" captionStart="FIGURE 6" captionStartId="20.[151,250,1802,1824]" captionTargetBox="[151,1436,208,1763]" captionTargetId="figure@20.[151,1436,193,1781]" captionTargetPageId="20" captionText="FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger. — Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove." httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="19" pageNumber="76">Figs. 6</figureCitation>
A‒B); anterior and middle segments with small reddish pigment spots along individual annulae (
<figureCitation id="131F2A5EFFA5BC06FEF6FE3BFE0BFD8F" box="[375,453,510,535]" captionStart="FIGURE 7" captionStartId="21.[151,250,1726,1748]" captionTargetBox="[157,1431,201,1694]" captionTargetId="figure@21.[151,1436,193,1705]" captionTargetPageId="21" captionText="FIGURE 7. Pseudoscalibregma palmeri n. sp. Photomicrographs of holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior and middle body segments, dorsal view; B, anterior end, ventral view; C, posterior parapodium, posterior view; D, same, detail of dorsal cirrus; E, same, detail of ventral cirrus. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; neP, neuropodium; noP, notopodium; vC, ventral cirrus." httpUri="https://zenodo.org/record/289817/files/figure.png" pageId="19" pageNumber="76">Figs. 7</figureCitation>
A‒B). Body segments with transverse rows of pads; setigers 1‒2 biannulate with large, prominent pads dorsally, not evident ventrally; subsequent setigers quadriannulate with numerous small pads closely spaced, becoming triannulate from about setiger 16. Venter with prominent ventral groove bearing large elevated pads from setiger 2, continuing posteriorly forming ventral ridge line with rounded, elevated pad at midpoint of each segment within groove (
<figureCitation id="131F2A5EFFA5BC06FDC1FD4BFD40FD3F" box="[576,654,654,679]" captionStart="FIGURE 6" captionStartId="20.[151,250,1802,1824]" captionTargetBox="[151,1436,208,1763]" captionTargetId="figure@20.[151,1436,193,1781]" captionTargetPageId="20" captionText="FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger. — Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove." httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="19" pageNumber="76">Figs. 6</figureCitation>
B, 7B). Branchiae absent; pygidium not present on either specimen.
</paragraph>
<paragraph id="8B9B36DBFFA5BC06FF46FD77FD81FCAF" blockId="19.[151,1437,258,2011]" pageId="19" pageNumber="76">
Prostomium with two long, diverging lateral horns directed anterolaterally (
<figureCitation id="131F2A5EFFA5BC06FBA2FD77FBBCFD53" box="[1059,1138,690,715]" captionStart="FIGURE 6" captionStartId="20.[151,250,1802,1824]" captionTargetBox="[151,1436,208,1763]" captionTargetId="figure@20.[151,1436,193,1781]" captionTargetPageId="20" captionText="FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger. — Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove." httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="19" pageNumber="76">Figs. 6</figureCitation>
A‒B); eyes absent, nuchal organs not observed; proboscis not everted. Peristomium a single lobed ring around prostomium dorsally (
<figureCitation id="131F2A5EFFA5BC06FAB7FD13FAB6FD77" box="[1334,1400,726,751]" captionStart="FIGURE 6" captionStartId="20.[151,250,1802,1824]" captionTargetBox="[151,1436,208,1763]" captionTargetId="figure@20.[151,1436,193,1781]" captionTargetPageId="20" captionText="FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger. — Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove." httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="19" pageNumber="76">Fig. 6</figureCitation>
A), ventrally forming upper and lower lips of mouth; upper lip with 9‒10 narrow lobes; lower lip with about seven large, elongate inflated lobes (
<figureCitation id="131F2A5EFFA5BC06FE68FCDBFDE3FCAF" box="[489,557,798,823]" captionStart="FIGURE 6" captionStartId="20.[151,250,1802,1824]" captionTargetBox="[151,1436,208,1763]" captionTargetId="figure@20.[151,1436,193,1781]" captionTargetPageId="20" captionText="FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger. — Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove." httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="19" pageNumber="76">Fig. 6</figureCitation>
B).
</paragraph>
<paragraph id="8B9B36DBFFA5BC06FF46FC87FC28FBAB" blockId="19.[151,1437,258,2011]" pageId="19" pageNumber="76">
Parapodia with elongate conical podial lobes throughout
<figureCitation id="131F2A5EFFA5BC06FCCAFC87FC40FCC3" box="[843,910,834,859]" captionStart="FIGURE 7" captionStartId="21.[151,250,1726,1748]" captionTargetBox="[157,1431,201,1694]" captionTargetId="figure@21.[151,1436,193,1705]" captionTargetPageId="21" captionText="FIGURE 7. Pseudoscalibregma palmeri n. sp. Photomicrographs of holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior and middle body segments, dorsal view; B, anterior end, ventral view; C, posterior parapodium, posterior view; D, same, detail of dorsal cirrus; E, same, detail of ventral cirrus. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; neP, neuropodium; noP, notopodium; vC, ventral cirrus." httpUri="https://zenodo.org/record/289817/files/figure.png" pageId="19" pageNumber="76">Fig. 7</figureCitation>
B–C). Dorsal and ventral cirri from setiger 14, these short, inconspicuous at first, becoming longer and more prominent posteriorly (
<figureCitation id="131F2A5EFFA5BC06FB1EFCA3FB24FCE7" box="[1183,1258,870,895]" captionStart="FIGURE 7" captionStartId="21.[151,250,1726,1748]" captionTargetBox="[157,1431,201,1694]" captionTargetId="figure@21.[151,1436,193,1705]" captionTargetPageId="21" captionText="FIGURE 7. Pseudoscalibregma palmeri n. sp. Photomicrographs of holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior and middle body segments, dorsal view; B, anterior end, ventral view; C, posterior parapodium, posterior view; D, same, detail of dorsal cirrus; E, same, detail of ventral cirrus. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; neP, neuropodium; noP, notopodium; vC, ventral cirrus." httpUri="https://zenodo.org/record/289817/files/figure.png" pageId="19" pageNumber="76">Fig. 7</figureCitation>
C); dorsal cirri triangular, broad basally, tapering to pointed tip (
<figureCitation id="131F2A5EFFA5BC06FD6CFC4FFC8CFC3B" box="[749,834,906,931]" captionStart="FIGURE 7" captionStartId="21.[151,250,1726,1748]" captionTargetBox="[157,1431,201,1694]" captionTargetId="figure@21.[151,1436,193,1705]" captionTargetPageId="21" captionText="FIGURE 7. Pseudoscalibregma palmeri n. sp. Photomicrographs of holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior and middle body segments, dorsal view; B, anterior end, ventral view; C, posterior parapodium, posterior view; D, same, detail of dorsal cirrus; E, same, detail of ventral cirrus. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; neP, neuropodium; noP, notopodium; vC, ventral cirrus." httpUri="https://zenodo.org/record/289817/files/figure.png" pageId="19" pageNumber="76">Figs. 7</figureCitation>
C‒D); ventral cirri asymmetrical with broad basal attachment and elongated, rounded tip (
<figureCitation id="131F2A5EFFA5BC06FDD3FC6BFD51FC5F" box="[594,671,942,967]" captionStart="FIGURE 7" captionStartId="21.[151,250,1726,1748]" captionTargetBox="[157,1431,201,1694]" captionTargetId="figure@21.[151,1436,193,1705]" captionTargetPageId="21" captionText="FIGURE 7. Pseudoscalibregma palmeri n. sp. Photomicrographs of holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior and middle body segments, dorsal view; B, anterior end, ventral view; C, posterior parapodium, posterior view; D, same, detail of dorsal cirrus; E, same, detail of ventral cirrus. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; neP, neuropodium; noP, notopodium; vC, ventral cirrus." httpUri="https://zenodo.org/record/289817/files/figure.png" pageId="19" pageNumber="76">Figs. 7</figureCitation>
C, E); both dorsal and ventral cirri with prominent darkly pigmented internal glands; glands on dorsal cirri exiting toward apex and glands on ventral cirri exiting along ventral surface (
<figureCitation id="131F2A5EFFA5BC06FF1EFC33FF2BFB97" box="[159,229,1014,1039]" captionStart="FIGURE 7" captionStartId="21.[151,250,1726,1748]" captionTargetBox="[157,1431,201,1694]" captionTargetId="figure@21.[151,1436,193,1705]" captionTargetPageId="21" captionText="FIGURE 7. Pseudoscalibregma palmeri n. sp. Photomicrographs of holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior and middle body segments, dorsal view; B, anterior end, ventral view; C, posterior parapodium, posterior view; D, same, detail of dorsal cirrus; E, same, detail of ventral cirrus. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; neP, neuropodium; noP, notopodium; vC, ventral cirrus." httpUri="https://zenodo.org/record/289817/files/figure.png" pageId="19" pageNumber="76">Fig. 7</figureCitation>
D–E). Interramal papillae present between noto- and neuropodia, more developed in posterior parapodia (
<figureCitation id="131F2A5EFFA5BC06FF1EFBDFFF23FBAB" box="[159,237,1050,1075]" captionStart="FIGURE 6" captionStartId="20.[151,250,1802,1824]" captionTargetBox="[151,1436,208,1763]" captionTargetId="figure@20.[151,1436,193,1781]" captionTargetPageId="20" captionText="FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger. — Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove." httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="19" pageNumber="76">Figs. 6</figureCitation>
C, 7C); these papillae with glandular contents, not ciliated (
<figureCitation id="131F2A5EFFA5BC06FC06FBDFFC0AFBAB" box="[903,964,1050,1075]" captionStart="FIGURE 6" captionStartId="20.[151,250,1802,1824]" captionTargetBox="[151,1436,208,1763]" captionTargetId="figure@20.[151,1436,193,1781]" captionTargetPageId="20" captionText="FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger. — Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove." httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="19" pageNumber="76">Fig 6</figureCitation>
C).
</paragraph>
<paragraph id="8B9B36DBFFA5BC06FF46FBFAFDC5FB7F" blockId="19.[151,1437,258,2011]" pageId="19" pageNumber="76">
Noto- and neuropodial capillary setae in 2‒4 rows throughout, successive rows with longer setae. Setigers 1‒2 with anterior group of 3–4 short, blunt-tipped spinous setae (
<figureCitation id="131F2A5EFFA5BC06FCC4FBA7FC47FBE3" box="[837,905,1122,1147]" captionStart="FIGURE 6" captionStartId="20.[151,250,1802,1824]" captionTargetBox="[151,1436,208,1763]" captionTargetId="figure@20.[151,1436,193,1781]" captionTargetPageId="20" captionText="FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger. — Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove." httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="19" pageNumber="76">Fig. 6</figureCitation>
D); these homologous to lyrate setae that begin from setiger 3 and continue on subsequent segments. Lyrate setae, short, anterior to capillaries with unequal tynes bearing short bristles (
<figureCitation id="131F2A5EFFA5BC06FE17FB6FFE15FB5B" box="[406,475,1194,1219]" captionStart="FIGURE 6" captionStartId="20.[151,250,1802,1824]" captionTargetBox="[151,1436,208,1763]" captionTargetId="figure@20.[151,1436,193,1781]" captionTargetPageId="20" captionText="FIGURE 6. Pseudoscalibregma palmeri n. sp. Holotype, Sta. NBP- 03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial papilla; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger. — Pseudoscalibregma bransfieldium: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal papilla; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove." httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="19" pageNumber="76">Fig. 6</figureCitation>
E); lyrate setae numbering 3‒4 per noto- and neuropodium in anterior segments and
<quantity id="4CDC9B3EFFA5BC06FF16FB0AFF22FB7F" box="[151,236,1230,1255]" metricMagnitude="-1" metricUnit="m" metricValue="2.413" metricValueMax="2.54" metricValueMin="2.286" pageId="19" pageNumber="76" unit="in" value="9.5" valueMax="10.0" valueMin="9.0">9‒10 in</quantity>
posterior most segments.
</paragraph>
</subSubSection>
<subSubSection id="C33E6550FFA5BC06FF46FB37FE81F8D3" pageId="19" pageNumber="76" type="discussion">
<paragraph id="8B9B36DBFFA5BC06FF46FB37FB4CFA26" blockId="19.[151,1437,258,2011]" pageId="19" pageNumber="76">
<emphasis id="B950EAC9FFA5BC06FF46FB37FEF5FA93" bold="true" box="[199,315,1266,1291]" pageId="19" pageNumber="76">Remarks.</emphasis>
<taxonomicName id="4C244D58FFA5BC06FECBFB37FD42FA93" box="[330,652,1266,1291]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="species" species="palmeri" status="sp. nov.">
<emphasis id="B950EAC9FFA5BC06FECBFB37FD42FA93" box="[330,652,1266,1291]" italics="true" pageId="19" pageNumber="76">Pseudoscalibregma palmeri</emphasis>
</taxonomicName>
<emphasis id="B950EAC9FFA5BC06FD1DFB37FD2DFA93" bold="true" box="[668,739,1266,1291]" pageId="19" pageNumber="76">
<taxonomicNameLabel id="A26357B2FFA5BC06FD1DFB37FD2DFA93" box="[668,739,1266,1291]" pageId="19" pageNumber="76" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
resembles
<taxonomicName id="4C244D58FFA5BC06FCF0FB31FB50FA93" authority="Blake, 1981" authorityName="Blake" authorityYear="1981" box="[881,1182,1266,1291]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="species" species="usarpium">
<emphasis id="B950EAC9FFA5BC06FCF0FB31FC31FA93" box="[881,1023,1268,1291]" italics="true" pageId="19" pageNumber="76">P. usarpium</emphasis>
<bibRefCitation id="EFB54B2AFFA5BC06FB8FFB37FB50FA93" author="Blake" box="[1038,1182,1266,1291]" pageId="19" pageNumber="76" refString="Blake, J. A. (1981) The Scalibregmatidae (Annelida: Polychaeta) from South American and Antarctic Seas, collected chiefly during the cruises of the R / V Anton Bruun, R / V Hero and USNS Eltanin. Proceedings of the Biological Society of Washington, 94, 1131 - 1162. Available from: http: // www. biodiversitylibrary. org / item / 107603 (Accessed 19 Oct. 2015)" type="journal article" year="1981">
Blake,
<quantity id="4CDC9B3EFFA5BC06FBE7FB36FB50FA93" box="[1126,1182,1267,1291]" metricMagnitude="1" metricUnit="m" metricValue="5.03174" pageId="19" pageNumber="76" unit="in" value="1981.0">1981</quantity>
</bibRefCitation>
</taxonomicName>
in the shape of the prostomium, single lobate peristomial ring, and by having prominent rows of annulated pads on anterior setigers. Major differences are that in
<taxonomicName id="4C244D58FFA5BC06FE6CFAF9FDB8FACB" box="[493,630,1340,1363]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="species" species="usarpium">
<emphasis id="B950EAC9FFA5BC06FE6CFAF9FDB8FACB" box="[493,630,1340,1363]" italics="true" pageId="19" pageNumber="76">P. usarpium</emphasis>
</taxonomicName>
the first two segments are quadriannulate, with subsequent segments having five annulae and with all annulae being large and prominent (
<bibRefCitation id="EFB54B2AFFA5BC06FC23FA9BFBE7FAEF" author="Blake" box="[930,1065,1374,1399]" pageId="19" pageNumber="76" refString="Blake, J. A. (1981) The Scalibregmatidae (Annelida: Polychaeta) from South American and Antarctic Seas, collected chiefly during the cruises of the R / V Anton Bruun, R / V Hero and USNS Eltanin. Proceedings of the Biological Society of Washington, 94, 1131 - 1162. Available from: http: // www. biodiversitylibrary. org / item / 107603 (Accessed 19 Oct. 2015)" type="journal article" year="1981">Blake 1981</bibRefCitation>
). In contrast, in
<taxonomicName id="4C244D58FFA5BC06FB60FA9AFA9AFAEF" box="[1249,1364,1374,1399]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="species" species="palmeri" status="sp. nov.">
<emphasis id="B950EAC9FFA5BC06FB60FA9AFA9AFAEF" box="[1249,1364,1374,1399]" italics="true" pageId="19" pageNumber="76">P. palmeri</emphasis>
</taxonomicName>
<emphasis id="B950EAC9FFA5BC06FADDFA9BFA55FAEF" bold="true" box="[1372,1435,1374,1399]" pageId="19" pageNumber="76">
<taxonomicNameLabel id="A26357B2FFA5BC06FADDFA9BFA55FAEF" box="[1372,1435,1374,1399]" pageId="19" pageNumber="76" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
the annulae of setigers 1‒2 are biannulate, with large, prominent pads, followed by quadriannulate segments where the rows are narrow and have numerous small inconspicuous pads bearing pigment spots.
</paragraph>
<paragraph id="8B9B36DBFFA5BC06FF46FA0FFE80F947" blockId="19.[151,1437,258,2011]" pageId="19" pageNumber="76">
The asymmetrical form of the ventral cirri in
<taxonomicName id="4C244D58FFA5BC06FD4EFA0FFBC5FA7B" box="[719,1035,1482,1507]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="species" species="palmeri" status="sp. nov.">
<emphasis id="B950EAC9FFA5BC06FD4EFA0FFBC5FA7B" box="[719,1035,1482,1507]" italics="true" pageId="19" pageNumber="76">Pseudoscalibregma palmeri</emphasis>
</taxonomicName>
<emphasis id="B950EAC9FFA5BC06FB92FA0FFB9DFA7B" bold="true" box="[1043,1107,1482,1507]" pageId="19" pageNumber="76">
<taxonomicNameLabel id="A26357B2FFA5BC06FB92FA0FFB9DFA7B" box="[1043,1107,1482,1507]" pageId="19" pageNumber="76" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is unique for the genus. The pigmented glands of the dorsal and ventral cirri are similar to those described for
<taxonomicName id="4C244D58FFA5BC06FBD7FA2BFA81F99F" box="[1110,1359,1518,1543]" class="Polychaeta" family="Scalibregmatidae" genus="Scalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="species" species="australis" status="sp. nov.">
<emphasis id="B950EAC9FFA5BC06FBD7FA2BFA81F99F" box="[1110,1359,1518,1543]" italics="true" pageId="19" pageNumber="76">Scalibregma australis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A26357B2FFA5BC06FADBFA2BFA52F99E" box="[1370,1436,1518,1543]" pageId="19" pageNumber="76" rank="species">
<emphasis id="B950EAC9FFA5BC06FADBFA2BFA5BF99F" bold="true" box="[1370,1429,1518,1543]" pageId="19" pageNumber="76">n. sp</emphasis>
.
</taxonomicNameLabel>
earlier in this paper. Similar glands in the dorsal and ventral cirri of the closely related
<taxonomicName id="4C244D58FFA5BC06FBF3F9D1FB36F9B3" box="[1138,1272,1556,1579]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="species" species="usarpium">
<emphasis id="B950EAC9FFA5BC06FBF3F9D1FB36F9B3" box="[1138,1272,1556,1579]" italics="true" pageId="19" pageNumber="76">P. usarpium</emphasis>
</taxonomicName>
were reported by
<bibRefCitation id="EFB54B2AFFA5BC06FF3BF9F3FE82F9D7" author="Blake" box="[186,332,1590,1615]" pageId="19" pageNumber="76" refString="Blake, J. A. (1981) The Scalibregmatidae (Annelida: Polychaeta) from South American and Antarctic Seas, collected chiefly during the cruises of the R / V Anton Bruun, R / V Hero and USNS Eltanin. Proceedings of the Biological Society of Washington, 94, 1131 - 1162. Available from: http: // www. biodiversitylibrary. org / item / 107603 (Accessed 19 Oct. 2015)" type="journal article" year="1981">Blake (1981)</bibRefCitation>
but not described in detail. It is likely that these glands are widespread in scalibregmatids but have been largely overlooked. Similarly, the dorsal and ventral glands that occur in some anterior setigers from setiger 4 are similar to those of
<taxonomicName id="4C244D58FFA5BC06FE17F9BBFDEDF90F" box="[406,547,1662,1687]" class="Polychaeta" family="Scalibregmatidae" genus="Scalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="genus">
<emphasis id="B950EAC9FFA5BC06FE17F9BBFDEDF90F" box="[406,547,1662,1687]" italics="true" pageId="19" pageNumber="76">Scalibregma</emphasis>
</taxonomicName>
species but are newly reported for
<taxonomicName id="4C244D58FFA5BC06FC32F9BBFB41F90F" box="[947,1167,1662,1687]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="genus">
<emphasis id="B950EAC9FFA5BC06FC32F9BBFB41F90F" box="[947,1167,1662,1687]" italics="true" pageId="19" pageNumber="76">Pseudoscalibregma</emphasis>
</taxonomicName>
. The extensive array of pigment spots across the annulae in
<emphasis id="B950EAC9FFA5BC06FDC3F961FD7BF923" box="[578,693,1698,1723]" italics="true" pageId="19" pageNumber="76">P. p al m e r i</emphasis>
<emphasis id="B950EAC9FFA5BC06FD42F967FCC3F923" bold="true" box="[707,781,1698,1723]" pageId="19" pageNumber="76">n. sp.,</emphasis>
however, is unique and has not been reported for other scalibregmatids.
</paragraph>
<paragraph id="8B9B36DBFFA5BC06FF46F92FFE81F8D3" blockId="19.[151,1437,258,2011]" pageId="19" pageNumber="76">
The short anterior spinous setae of setigers 1‒2 present in
<emphasis id="B950EAC9FFA5BC06FCD6F929FC09F89B" box="[855,967,1770,1795]" italics="true" pageId="19" pageNumber="76">P. pa l m er i</emphasis>
<emphasis id="B950EAC9FFA5BC06FC53F92FFBDFF89B" bold="true" box="[978,1041,1770,1795]" pageId="19" pageNumber="76">n. sp.</emphasis>
were not reported for
<taxonomicName id="4C244D58FFA5BC06FA8EF929FA5BF89B" box="[1295,1429,1772,1795]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="species" species="usarpium">
<emphasis id="B950EAC9FFA5BC06FA8EF929FA5BF89B" box="[1295,1429,1772,1795]" italics="true" pageId="19" pageNumber="76">P. usarpium</emphasis>
</taxonomicName>
. However, an examination of the
<typeStatus id="549F8879FFA5BC06FD84F8CBFDA9F8BF" box="[517,615,1806,1831]" pageId="19" pageNumber="76" type="holotype">holotype</typeStatus>
(USNM 60583) showed that such setae are present, but not as short as in
<taxonomicName id="4C244D58FFA5BC06FF16F8F1FEC7F8D3" box="[151,265,1842,1867]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="19" pageNumber="76" phylum="Annelida" rank="species" species="palmeri" status="sp. nov.">
<emphasis id="B950EAC9FFA5BC06FF16F8F1FEC7F8D3" box="[151,265,1842,1867]" italics="true" pageId="19" pageNumber="76">P. palmeri</emphasis>
</taxonomicName>
<emphasis id="B950EAC9FFA5BC06FE91F8F7FE81F8D3" bold="true" box="[272,335,1842,1867]" pageId="19" pageNumber="76">
<taxonomicNameLabel id="A26357B2FFA5BC06FE91F8F7FE81F8D3" box="[272,335,1842,1867]" pageId="19" pageNumber="76" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="C33E6550FFA5BC06FF46F893FDE0F843" pageId="19" pageNumber="76" type="etymology">
<paragraph id="8B9B36DBFFA5BC06FF46F893FDE0F843" blockId="19.[151,1437,258,2011]" pageId="19" pageNumber="76">
<emphasis id="B950EAC9FFA5BC06FF46F893FE80F8F7" bold="true" box="[199,334,1878,1903]" pageId="19" pageNumber="76">Etymology.</emphasis>
This species is named for the RVIB
<emphasis id="B950EAC9FFA5BC06FC83F893FC20F8F7" box="[770,1006,1878,1903]" italics="true" pageId="19" pageNumber="76">Nathaniel B. Palmer</emphasis>
, research vessel of the
<collectingCountry id="F333764BFFA5BC06FA82F893FA52F8F7" box="[1283,1436,1878,1903]" name="United States of America" pageId="19" pageNumber="76">United States</collectingCountry>
<collectingCountry id="F333764BFFA5BC06FF16F8BFFF31F80B" box="[151,255,1914,1939]" name="Antarctica" pageId="19" pageNumber="76">Antarctic</collectingCountry>
Program, on which most of the specimens reported in this paper were collected. Additionally, this research vessel was in turn named for Nathaniel B. Palmer, an American whaler, who is reputed to be among the first to sight the
<collectingCountry id="F333764BFFA5BC06FECFF807FE78F843" box="[334,438,1986,2011]" name="Antarctica" pageId="19" pageNumber="76">Antarctic</collectingCountry>
continent.
</paragraph>
</subSubSection>
<caption id="DF5B6653FFA2BC01FF16F8CFFB3CF802" httpUri="https://zenodo.org/record/289816/files/figure.png" pageId="20" pageNumber="77" targetBox="[151,1436,208,1763]" targetPageId="20">
<paragraph id="8B9B36DBFFA2BC01FF16F8CFFB3CF802" blockId="20.[151,1436,1802,1946]" pageId="20" pageNumber="77">
<emphasis id="B950EAC9FFA2BC01FF16F8CFFEDCF8B8" bold="true" box="[151,274,1802,1824]" pageId="20" pageNumber="77">FIGURE 6.</emphasis>
<taxonomicName id="4C244D58FFA2BC01FE99F8CFFDFAF8B8" box="[280,564,1802,1824]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="20" pageNumber="77" phylum="Annelida" rank="species" species="palmeri" status="sp. nov.">
<emphasis id="B950EAC9FFA2BC01FE99F8CFFDFAF8B8" box="[280,564,1802,1824]" italics="true" pageId="20" pageNumber="77">Pseudoscalibregma palmeri</emphasis>
</taxonomicName>
<emphasis id="B950EAC9FFA2BC01FDBBF8CFFDBDF8B8" bold="true" box="[570,627,1802,1824]" pageId="20" pageNumber="77">
<taxonomicNameLabel id="A26357B2FFA2BC01FDBBF8CFFDBDF8B8" box="[570,627,1802,1824]" pageId="20" pageNumber="77" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
Holotype, Sta. NBP-03 (LACM-AHF-Poly 7009): A, anterior end, dorsal view; B, anterior end, ventral view; C, detail of interparapodial
<taxonomicName id="4C244D58FFA2BC01FD72F8ECFCF5F8A7" box="[755,827,1833,1855]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="20" pageNumber="77" phylum="Annelida" rank="species" species="papilla">papilla</taxonomicName>
; D, short spinous setae from setiger 1; E, lyrate seta from middle body setiger.—
<taxonomicName id="4C244D58FFA2BC01FE09F882FD29F8C5" box="[392,743,1863,1885]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="20" pageNumber="77" phylum="Annelida" rank="species" species="bransfieldium">
<emphasis id="B950EAC9FFA2BC01FE09F882FD29F8C5" box="[392,743,1863,1885]" italics="true" pageId="20" pageNumber="77">Pseudoscalibregma bransfieldium</emphasis>
</taxonomicName>
: F, short spinous setae from setiger 1; G, posterior parapodium, anterior view. Abbreviations: dC, dorsal cirrus, intP; interramal
<taxonomicName id="4C244D58FFA2BC01FCC4F8A3FC43F8E4" box="[837,909,1894,1916]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="20" pageNumber="77" phylum="Annelida" rank="species" species="papilla">papilla</taxonomicName>
; lL, lower lip of mouth; neP, neuropodium; noP, notopodium, per, peristomium; pr, prostomium; uL, upper lip of mouth, vC, ventral cirrus; vG, ventral groove.
</paragraph>
</caption>
<caption id="DF5B6653FFA3BC00FF16F97BFD52F8A8" httpUri="https://zenodo.org/record/289817/files/figure.png" pageId="21" pageNumber="78" targetBox="[157,1431,201,1694]" targetPageId="21">
<paragraph id="8B9B36DBFFA3BC00FF16F97BFD52F8A8" blockId="21.[151,1436,1726,1840]" pageId="21" pageNumber="78">
<emphasis id="B950EAC9FFA3BC00FF16F97BFED8F94C" bold="true" box="[151,278,1726,1748]" pageId="21" pageNumber="78">FIGURE 7.</emphasis>
<taxonomicName id="4C244D58FFA3BC00FEA1F97BFD8EF94C" box="[288,576,1726,1748]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="21" pageNumber="78" phylum="Annelida" rank="species" species="palmeri" status="sp. nov.">
<emphasis id="B950EAC9FFA3BC00FEA1F97BFD8EF94C" box="[288,576,1726,1748]" italics="true" pageId="21" pageNumber="78">Pseudoscalibregma palmeri</emphasis>
</taxonomicName>
<emphasis id="B950EAC9FFA3BC00FDCBF97BFD49F94C" bold="true" box="[586,647,1726,1748]" pageId="21" pageNumber="78">
<taxonomicNameLabel id="A26357B2FFA3BC00FDCBF97BFD49F94C" box="[586,647,1726,1748]" pageId="21" pageNumber="78" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
Photomicrographs of holotype, Sta. NBP-03 (LACM-AHF-Poly 7009): A, anterior and middle body segments, dorsal view; B, anterior end, ventral view; C, posterior parapodium, posterior view; D, same, detail of dorsal cirrus; E, same, detail of ventral cirrus. Abbreviations: dC, dorsal cirrus, intP; interramal
<taxonomicName id="4C244D58FFA3BC00FA9FF93EFAA8F889" box="[1310,1382,1787,1809]" class="Polychaeta" family="Scalibregmatidae" genus="Pseudoscalibregma" kingdom="Animalia" pageId="21" pageNumber="78" phylum="Annelida" rank="species" species="papilla">papilla</taxonomicName>
; neP, neuropodium; noP, notopodium; vC, ventral cirrus.
</paragraph>
</caption>
<subSubSection id="C33E6550FFA3BC00FF46F892FDC9F80B" pageId="21" pageNumber="78" type="distribution">
<paragraph id="8B9B36DBFFA3BC00FF46F892FDC9F80B" blockId="21.[151,1436,1879,1940]" pageId="21" pageNumber="78">
<emphasis id="B950EAC9FFA3BC00FF46F892FEAEF8E8" bold="true" box="[199,352,1879,1904]" pageId="21" pageNumber="78">Distribution.</emphasis>
Known only from the vicinity of the Larsen Ice Shelf A area of the Weddell Sea side of the
<collectingCountry id="F333764BFFA3BC00FF16F8BEFF31F80C" box="[151,255,1915,1940]" name="Antarctica" pageId="21" pageNumber="78">Antarctic</collectingCountry>
Peninsula,
<quantity id="4CDC9B3EFFA3BC00FE00F8BEFDCDF80B" box="[385,515,1915,1940]" metricMagnitude="2" metricUnit="m" metricValue="5.765" metricValueMax="7.68" metricValueMin="3.85" pageId="21" pageNumber="78" unit="m" value="576.5" valueMax="768.0" valueMin="385.0">
385‒
<specimenCount id="9D22FD52FFA3BC00FE38F8BEFDCDF80B" box="[441,515,1915,1940]" pageId="21" pageNumber="78" type="generic">768 m</specimenCount>
</quantity>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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