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<document id="5D2C96B5A5EC0B571C7D967ACBD7CDDC" ID-DOI="10.11646/zootaxa.4092.1.1" ID-GBIF-Dataset="755c4d8c-82a5-48bf-bab4-81c510eccb0c" ID-ISSN="1175-5326" ID-Zenodo-Dep="259914" ID-ZooBank="E89B1F53-CFE9-4112-89D7-B65116781D23" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1458035911967" checkinUser="plazi" docAuthor="Paterson, Gordon L. J., Neal, Lenka, Altamira, Iris, Soto, Eulogio H., Smith, Craig R., Menot, Lenaick, Billett, David S. M., Cunha, Marina R., Marchais-Laguionie, Claire &amp; Glover, Adrian G." docDate="2016" docId="2E5487EAEE2DBC4731BFFB82AA5BFC9A" docLanguage="en" docName="15614-5153-1-PB.pdf.imf" docOrigin="Zootaxa 4092 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Prionospio vallensis Paterson, Neal, Altamira, Soto, Smith, Menot, Billett, Cunha, Marchais-Laguionie &amp; Glover, 2016, sp. nov." docType="treatment" docVersion="10" lastPageNumber="11" masterDocId="D26DFF92EE2ABC4D3128FFCDAF5DFFC5" masterDocTitle="New Prionospio and Aurospio Species from the Deep Sea (Annelida: Polychaeta)" pageNumber="8" updateTime="1698184474324" updateUser="plazi">
<mods:mods id="D0CFBFA1C0AD0EDDB31D15F1BABC3B64" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="D6C6E8AE33DE787B2D460373997C6783">
<mods:title id="DB50DC7900B1A38F841CBB729E510EE9">New Prionospio and Aurospio Species from the Deep Sea (Annelida: Polychaeta)</mods:title>
</mods:titleInfo>
<mods:name id="C71A0EA34CA24FEA41836A25D6636B50" type="personal">
<mods:role id="819DEE6CDBEF4A5C5A2FC4B932CC9A6A">
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</mods:role>
<mods:namePart id="2E2995F703B3D0E62C8E529DA099BBFC">Paterson, Gordon L. J.</mods:namePart>
</mods:name>
<mods:name id="8DBB4A0D30A54F020BB8F4E7E0047975" type="personal">
<mods:role id="B64329D017F814840594F4CE4830DDD2">
<mods:roleTerm id="5344FD60FF2AB5F57B9A2CABB77F74BA">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="5C5B743930F4E2C0B45E9FBEDAB70775">Neal, Lenka</mods:namePart>
</mods:name>
<mods:name id="71C4694EA35C3F02794243AA4A589ABE" type="personal">
<mods:role id="2897AA161911333B66043497366CFAA9">
<mods:roleTerm id="A85C2B18CA429BBD8B6315B905A03A81">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="D4BF94C83C5DDBF1335A24285BB18CF6">Altamira, Iris</mods:namePart>
</mods:name>
<mods:name id="FF95DBC4B3567BEC2A998E3EB26D5F15" type="personal">
<mods:role id="C87927CC926D20DEF050F5E30FDCAECB">
<mods:roleTerm id="60A6A4F9158B6345926FA08D6B5B2BF9">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="E2E1FB1A07B6C010C9E1BBD202ACD153">Soto, Eulogio H.</mods:namePart>
</mods:name>
<mods:name id="D0940F297E35A4061F7D49C53748489A" type="personal">
<mods:role id="0E6C63512B555B167F99BC9A8B819BE3">
<mods:roleTerm id="EC1EE1F68EF67F7EA7910530FE386BF8">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="DC2220A026515ED645A6DC8053372211">Smith, Craig R.</mods:namePart>
</mods:name>
<mods:name id="81862FDFBF95AD7578F55C28CD74596A" type="personal">
<mods:role id="A331DD6F414FCAC59C8B8E6E7FC80B6F">
<mods:roleTerm id="652AE63388C7CB70EDC17A879FE3DF8F">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="E1CBF5DB7DB47883AB5F55FF36915DE8">Menot, Lenaick</mods:namePart>
</mods:name>
<mods:name id="DDEC7A441CF774E8C047F08A1F87AA5B" type="personal">
<mods:role id="DC6240E50748C4E0E99A238F8A56DBC2">
<mods:roleTerm id="46788CDE13F905578D910B4B153EF94C">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="B82DD4708340BB3C2587134F29F62645">Billett, David S. M.</mods:namePart>
</mods:name>
<mods:name id="C0579D04AEB0453332F16CB47BAE8AC2" type="personal">
<mods:role id="8E0BFCFE81C324553437585B64D31604">
<mods:roleTerm id="15D722F697AF82C8F3AACBF86A664D7C">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="32B5E23496E01970D8165CD759EBF9CC">Cunha, Marina R.</mods:namePart>
</mods:name>
<mods:name id="27C8AC6D45C9D7F693A407904E37A935" type="personal">
<mods:role id="B1439120DFFBFCECAB0C601066AFAD36">
<mods:roleTerm id="840ED32865989DD4D443F1BE23BC6F6C">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="B50A6544FAACF93819381B9A2A82B7DD">Marchais-Laguionie, Claire</mods:namePart>
</mods:name>
<mods:name id="020626BBEEF44F3A003F8093A91BC549" type="personal">
<mods:role id="5FC90962B213672BB938387FB3F2E635">
<mods:roleTerm id="81BD629ACB5F5B27739F4A75BBF497AD">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="49298913E79DBCBE8F0B9D65ACA90D10">Glover, Adrian G.</mods:namePart>
</mods:name>
<mods:typeOfResource id="2AFC8972326CA8164CC5783358896A5B">text</mods:typeOfResource>
<mods:relatedItem id="A4992C1A7C3FE5330685DEC09904E8B8" type="host">
<mods:titleInfo id="C92EBEBF210EC92DB384958FEF189354">
<mods:title id="CA77147F3F2B2396B2575A03807248BC">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="210EF7A990E72654635CE95A046D334A">
<mods:date id="A18DD87026ECE0A71CA8C4DE9375F955">2016</mods:date>
<mods:detail id="5D36DC28547F983265B63E08529B7C3D" type="volume">
<mods:number id="A5E590E05A03052836493971A45F1B78">4092</mods:number>
</mods:detail>
<mods:detail id="EE777162BD7B390B294543D3DEFD173E" type="issue">
<mods:number id="89F015F2CBECC18D3174089087C8DC84">1</mods:number>
</mods:detail>
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</mods:relatedItem>
<mods:classification id="7D0C665A71C06B846370F55ABA5ABA4F">journal volume</mods:classification>
<mods:identifier id="AF02621D73A6E410D52ADB09B1A9BE9C" type="DOI">10.11646/zootaxa.4092.1.1</mods:identifier>
<mods:identifier id="C7A01BD7148B584968D5A7C460433F6B" type="GBIF-Dataset">755c4d8c-82a5-48bf-bab4-81c510eccb0c</mods:identifier>
<mods:identifier id="F21D5523609E1E2D9619EAE7A43EE29E" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="8D25C09AA8826398E9DFAF6DEAAACDB8" type="Zenodo-Dep">259914</mods:identifier>
<mods:identifier id="8A184FBB331CDA7C021E5DBE058C04C3" type="ZooBank">E89B1F53-CFE9-4112-89D7-B65116781D23</mods:identifier>
</mods:mods>
<treatment id="2E5487EAEE2DBC4731BFFB82AA5BFC9A" ID-DOI="http://doi.org/10.5281/zenodo.5612152" ID-GBIF-Taxon="117911802" ID-Zenodo-Dep="5612152" LSID="urn:lsid:plazi:treatment:2E5487EAEE2DBC4731BFFB82AA5BFC9A" httpUri="http://treatment.plazi.org/id/2E5487EAEE2DBC4731BFFB82AA5BFC9A" lastPageId="10" lastPageNumber="11" pageId="7" pageNumber="8">
<subSubSection id="EEE76577EE2DBC4A31BFFB82AD5FFB0F" pageId="7" pageNumber="8" type="nomenclature">
<paragraph id="A64236FCEE2DBC4A31BFFB82AD98FBAF" blockId="7.[151,709,1103,1163]" box="[151,709,1103,1130]" pageId="7" pageNumber="8">
<heading id="FD0A8190EE2DBC4A31BFFB82AD98FBAF" bold="true" box="[151,709,1103,1130]" fontSize="11" level="1" pageId="7" pageNumber="8" reason="1">
<emphasis id="9489EAEEEE2DBC4A31BFFB82AD98FBAF" bold="true" box="[151,709,1103,1130]" pageId="7" pageNumber="8">
<taxonomicName id="61FD4D7FEE2DBC4A31BFFB82AED7FBAC" ID-CoL="4MGCQ" box="[151,394,1103,1129]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="7" pageNumber="8" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE2DBC4A31BFFB82AED7FBAC" bold="true" box="[151,394,1103,1129]" italics="true" pageId="7" pageNumber="8">Prionospio vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE2DBC4A30B9FB9DAEB2FBAF" box="[401,495,1104,1130]" pageId="7" pageNumber="8" rank="species">sp. nov.</taxonomicNameLabel>
Neal &amp; Paterson
</emphasis>
</heading>
</paragraph>
<paragraph id="A64236FCEE2DBC4A31BFFBBFAED4FB4E" blockId="7.[151,709,1103,1163]" box="[151,393,1138,1163]" pageId="7" pageNumber="8">
(
<figureCitation id="3EC62A79EE2DBC4A31B7FBBFAE55FB4E" box="[159,264,1138,1163]" captionStart="FIGURE 1" captionStartId="3.[151,250,1589,1610]" captionTargetBox="[151,1428,735,1556]" captionTargetId="figure@3.[151,1436,735,1566]" captionTargetPageId="3" captionText="FIGURE 1. Maps showing location of collecting sites and distribution of species. a. Locations of the collection sites. CCFZ- Clarion—Clipperton Fracture Zone, W = west site, E = east site, A = UK concession area; CR—Crozet Island; CVAP Cap Verde Abyssal Plain; EP—Equatorial Pacific (EqPac); MAP—Madeira Abyssal Plain; PAP—Porcupine Abyssal Plain; PC— Portuguese Canyons. b. Distribution of Prionospio amarsupiata sp. nov (blue squares), Aurospio abranchiata sp. nov (orange triangles); c. Distrubutions of Prionospio branchilucida sp nov (purple stars), P. vallensis sp. nov (blue triangle); d. Distributions of Prionospio kaplani sp. nov (solid green hexagons); P. hermesia sp. nov (yellow circle), Aurospio tribranchiata sp. nov. (inverted orange triangle)" httpUri="https://zenodo.org/record/259915/files/figure.png" pageId="7" pageNumber="8">Figures 1</figureCitation>
, 2.2, 4, 8g)
</paragraph>
<paragraph id="A64236FCEE2DBC4A31BFFB78AD5FFB0F" blockId="7.[151,587,1204,1256]" box="[151,514,1204,1226]" pageId="7" pageNumber="8">
<taxonomicName id="61FD4D7FEE2DBC4A31BFFB78AE55FB0F" box="[151,264,1205,1226]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="9489EAEEEE2DBC4A31BFFB78AE55FB0F" box="[151,264,1205,1226]" italics="true" pageId="7" pageNumber="8">Prionospio</emphasis>
</taxonomicName>
sp G Curdia
<emphasis id="9489EAEEEE2DBC4A30A6FB78AE9FFB0F" box="[398,450,1204,1226]" italics="true" pageId="7" pageNumber="8">et al.</emphasis>
2004:
</paragraph>
</subSubSection>
<subSubSection id="EEE76577EE2DBC4A31BFFB1EAD16FB2D" box="[151,587,1234,1256]" pageId="7" pageNumber="8" type="description">
<paragraph id="A64236FCEE2DBC4A31BFFB1EAD16FB2D" blockId="7.[151,587,1204,1256]" box="[151,587,1234,1256]" pageId="7" pageNumber="8">
<taxonomicName id="61FD4D7FEE2DBC4A31BFFB1EAE55FB2D" box="[151,264,1235,1256]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="7" pageNumber="8" phylum="Annelida" rank="genus">
<emphasis id="9489EAEEEE2DBC4A31BFFB1EAE55FB2D" box="[151,264,1235,1256]" italics="true" pageId="7" pageNumber="8">Prionospio</emphasis>
</taxonomicName>
sp A Paterson
<emphasis id="9489EAEEEE2DBC4A3089FB1EAE89FB2D" box="[417,468,1234,1256]" italics="true" pageId="7" pageNumber="8">et al.</emphasis>
2011: 2453
</paragraph>
</subSubSection>
<subSubSection id="EEE76577EE2DBC4A31BFFAC3AEC7F9DA" pageId="7" pageNumber="8" type="materials_examined">
<paragraph id="A64236FCEE2DBC4A31BFFAC3ADE4FAE2" blockId="7.[151,1437,1294,2029]" box="[151,697,1294,1319]" pageId="7" pageNumber="8">
<emphasis id="9489EAEEEE2DBC4A31BFFAC3AEDFFAE2" bold="true" box="[151,386,1294,1319]" pageId="7" pageNumber="8">Material examined:</emphasis>
1035 specimens examined.
</paragraph>
<paragraph id="A64236FCEE2DBC4A31EFFAFEADA7FAAB" blockId="7.[151,1437,1294,2029]" pageId="7" pageNumber="8">
<emphasis id="9489EAEEEE2DBC4A31EFFAFEAE60FA8F" bold="true" box="[199,317,1331,1354]" pageId="7" pageNumber="8">
<typeStatus id="7946885EEE2DBC4A31EFFAFEAE65FA8F" box="[199,312,1331,1354]" pageId="7" pageNumber="8" type="holotype">Holotype</typeStatus>
:
</emphasis>
RRS
<emphasis id="9489EAEEEE2DBC4A30A4FAFFAD13FA8F" box="[396,590,1330,1355]" italics="true" pageId="7" pageNumber="8">Charles Darwin,</emphasis>
cruise 179
<date id="D243103CEE2DBC4A33CBFAFFACFBFA8F" box="[739,934,1330,1355]" pageId="7" pageNumber="8" value="2006-04" valueMax="2006-05-31" valueMin="2006-04-00">April–May 2006</date>
, Setúbal canyon St. 56859#1,
<geoCoordinate id="C3C9503BEE2DBC4A3430FAFFAAC1FA8F" box="[1304,1436,1330,1354]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.593">39°35.58’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A31BFFA9BAE7CFAAB" box="[151,289,1366,1390]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-10.333333">10°20.00’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3000FA9BAE25FAAB" box="[296,376,1366,1390]" metricMagnitude="3" metricUnit="m" metricValue="4.418" pageId="7" pageNumber="8" unit="m" value="4418.0">4418m</quantity>
, megacore (NHMUK 2015:1040).
</paragraph>
<paragraph id="A64236FCEE2DBC4A31EFFAB7AEC7F9DA" blockId="7.[151,1437,1294,2029]" pageId="7" pageNumber="8">
<typeStatus id="7946885EEE2DBC4A31EFFAB7AE62FA54" box="[199,319,1402,1425]" pageId="7" pageNumber="8" type="paratype">
<emphasis id="9489EAEEEE2DBC4A31EFFAB7AE62FA54" bold="true" box="[199,319,1402,1425]" pageId="7" pageNumber="8">Paratypes</emphasis>
</typeStatus>
:
<emphasis id="9489EAEEEE2DBC4A307DFAB7AC03FA54" box="[341,862,1401,1426]" italics="true" pageId="7" pageNumber="8">Portuguese margin canyon: Nazaré canyon</emphasis>
RRS Discovery 297
<date id="D243103CEE2DBC4A3546FAB4AA54FA54" box="[1134,1289,1401,1425]" pageId="7" pageNumber="8" value="2005-08">August 2005</date>
, St.15755#1
<geoCoordinate id="C3C9503BEE2DBC4A31BFFA50AE45FA70" box="[151,280,1437,1461]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.510334">39º30.62’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A300CFA50AEF3FA70" box="[292,430,1437,1461]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.9365">09°56.19’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3092FA50AD57FA70" box="[442,522,1437,1461]" metricMagnitude="3" metricUnit="m" metricValue="3.461" pageId="7" pageNumber="8" unit="m" value="3461.0">3461m</quantity>
, 175 individuals; St.15760#1
<geoCoordinate id="C3C9503BEE2DBC4A3244FA50ACB3FA70" box="[876,1006,1437,1461]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.50033">39º30.02’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A32D2FA50ABD9FA70" box="[1018,1156,1437,1461]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.936167">09°56.17’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A35A7FA50ABBDFA70" box="[1167,1248,1437,1461]" metricMagnitude="3" metricUnit="m" metricValue="3.465" pageId="7" pageNumber="8" unit="m" value="3465.0">3465m</quantity>
, 54 individuals; St.15762#1
<geoCoordinate id="C3C9503BEE2DBC4A300BFA0DAEF9FA1D" box="[291,420,1472,1496]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.50033">39º30.02’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A3099FA0DAD66FA1D" box="[433,571,1472,1496]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.937">09°56.22’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A336FFA0DADCAFA1D" box="[583,663,1472,1496]" metricMagnitude="3" metricUnit="m" metricValue="3.464" pageId="7" pageNumber="8" unit="m" value="3464.0">3464m</quantity>
, 103 individuals; St.15758#2
<geoCoordinate id="C3C9503BEE2DBC4A32D3FA0DAB21FA1D" box="[1019,1148,1472,1496]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.582333">39º34.94’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A35A1FA0DAA4EFA1D" box="[1161,1299,1472,1496]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-10.316667">10°19.00’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3437FA0DAA2DFA1D" box="[1311,1392,1472,1496]" metricMagnitude="3" metricUnit="m" metricValue="4.332" pageId="7" pageNumber="8" unit="m" value="4332.0">4332m</quantity>
, 26 individuals; St. 15758#6
<geoCoordinate id="C3C9503BEE2DBC4A3096FA29AD62FA39" box="[446,575,1508,1532]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.583168">39º34.99’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A3363FA29AD8BFA39" box="[587,726,1508,1532]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-10.316667">10°19.00’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A33C9FA29AC6FFA39" box="[737,818,1508,1532]" metricMagnitude="3" metricUnit="m" metricValue="4.335" pageId="7" pageNumber="8" unit="m" value="4335.0">4335m</quantity>
, 65 individuals; St.15765#2
<geoCoordinate id="C3C9503BEE2DBC4A35ADFA29AA5BFA39" box="[1157,1286,1508,1532]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.583332">39º35.00’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A343AFA29AAC1FA39" box="[1298,1436,1508,1532]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-10.317333">10°19.04’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A31BFF9CAAFBAF9DA" box="[151,231,1543,1567]" metricMagnitude="3" metricUnit="m" metricValue="4.336" pageId="7" pageNumber="8" unit="m" value="4336.0">4336m</quantity>
, 39 individuals.
</paragraph>
</subSubSection>
<subSubSection id="EEE76577EE2DBC4A31EFF9E6AECEF828" pageId="7" pageNumber="8" type="description">
<paragraph id="A64236FCEE2DBC4A31EFF9E6AB83F914" blockId="7.[151,1437,1294,2029]" pageId="7" pageNumber="8">
RRS
<emphasis id="9489EAEEEE2DBC4A302CF9E7AEE6F987" box="[260,443,1578,1603]" italics="true" pageId="7" pageNumber="8">Charles Darwin</emphasis>
179, April/
<date id="D243103CEE2DBC4A3317F9E7ADE9F986" box="[575,692,1578,1603]" pageId="7" pageNumber="8" value="2006-05">May 2006</date>
, St. 56847#6
<geoCoordinate id="C3C9503BEE2DBC4A327AF9E6AC88F986" box="[850,981,1579,1603]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.592834">39°35.57’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A32F6F9E6AB35F986" box="[990,1128,1579,1603]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-10.333167">10°19.99’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3558F9E6AB9DF986" box="[1136,1216,1579,1603]" metricMagnitude="3" metricUnit="m" metricValue="4.403" pageId="7" pageNumber="8" unit="m" value="4403.0">4403m</quantity>
, 33 individuals; St. 56847#7
<geoCoordinate id="C3C9503BEE2DBC4A302CF983AECEF9A3" box="[260,403,1614,1638]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.5925">39° 35.55’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A30B6F983AD69F9A3" box="[414,564,1614,1638]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-10.334333">10° 20.06’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3317F983ADD0F9A3" box="[575,653,1614,1638]" metricMagnitude="3" metricUnit="m" metricValue="4.404" pageId="7" pageNumber="8" unit="m" value="4404.0">4404m</quantity>
33 individuals; St. 56851#1
<geoCoordinate id="C3C9503BEE2DBC4A32CDF983AB28F9A3" box="[997,1141,1614,1638]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.499832">39° 29.99’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A35A8F983AA48F9A3" box="[1152,1301,1614,1638]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.932834">09° 55.97’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3408F983AA2DF9A3" box="[1312,1392,1614,1638]" metricMagnitude="3" metricUnit="m" metricValue="3.517" pageId="7" pageNumber="8" unit="m" value="3517.0">3517m</quantity>
, 36 individuals; St. 56851#2
<geoCoordinate id="C3C9503BEE2DBC4A309FF9BFAD66F94F" box="[439,571,1650,1674]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.499832">39°29.99’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A336CF9BFAD93F94F" box="[580,718,1650,1674]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.9335">09°56.01’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A33F0F9BFAC75F94F" box="[728,808,1650,1674]" metricMagnitude="3" metricUnit="m" metricValue="3.517" pageId="7" pageNumber="8" unit="m" value="3517.0">3517m</quantity>
, 76 individuals; St.56856#1
<geoCoordinate id="C3C9503BEE2DBC4A355AF9BFABA2F94F" box="[1138,1279,1650,1674]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.49917">39° 29.95’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A3421F9BFAAC1F94F" box="[1289,1436,1650,1674]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.933333">09° 56.00’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A31BFF958AFBAF968" box="[151,231,1685,1709]" metricMagnitude="3" metricUnit="m" metricValue="3.5189999999999997" pageId="7" pageNumber="8" unit="m" value="3519.0">3519m</quantity>
, 40 individuals; St. 56856#2
<geoCoordinate id="C3C9503BEE2DBC4A336CF958AD9AF968" box="[580,711,1685,1709]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.5">39°30.00’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A33FAF958AC3AF968" box="[722,871,1685,1709]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.933">09° 55.98’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A325BF958AC9DF968" box="[883,960,1685,1709]" metricMagnitude="3" metricUnit="m" metricValue="3.522" pageId="7" pageNumber="8" unit="m" value="3522.0">3522m</quantity>
49 individuals; St. 56859#1
<geoCoordinate id="C3C9503BEE2DBC4A3430F958AAC1F968" box="[1304,1436,1685,1709]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.593">39°35.58’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A31BFF975AE7CF915" box="[151,289,1720,1744]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-10.333333">10°20.00’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3000F975AE25F915" box="[296,376,1720,1744]" metricMagnitude="3" metricUnit="m" metricValue="4.418" pageId="7" pageNumber="8" unit="m" value="4418.0">4418m</quantity>
, 37 individuals; St. 56861#1
<geoCoordinate id="C3C9503BEE2DBC4A33E8F975AC1EF915" box="[704,835,1720,1744]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="39.592834">39°35.57’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A3262F975AC89F915" box="[842,980,1720,1744]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-10.333667">10°20.02’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A32F3F975AB71F915" box="[987,1068,1720,1744]" metricMagnitude="3" metricUnit="m" metricValue="4.404" pageId="7" pageNumber="8" unit="m" value="4404.0">4404m</quantity>
, 44 individuals.
</paragraph>
<paragraph id="A64236FCEE2DBC4A31EFF916AD76F89A" blockId="7.[151,1437,1294,2029]" pageId="7" pageNumber="8">
<emphasis id="9489EAEEEE2DBC4A31EFF916AE20F936" box="[199,381,1755,1780]" italics="true" pageId="7" pageNumber="8">Setúbal canyon:</emphasis>
RRS
<emphasis id="9489EAEEEE2DBC4A30E9F916AD25F936" box="[449,632,1755,1780]" italics="true" pageId="7" pageNumber="8">Charles Darwin</emphasis>
179 April/
<date id="D243103CEE2DBC4A33DCF916AC37F931" box="[756,874,1755,1780]" pageId="7" pageNumber="8" value="2006-05">May 2006</date>
, St. 56804#5
<geoCoordinate id="C3C9503BEE2DBC4A352EF911ABD4F931" box="[1030,1161,1756,1780]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="38.1545">38°09.27’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A35B9F911AA41F931" box="[1169,1308,1756,1780]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.6155">09°36.93’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A340BF911AA29F931" box="[1315,1396,1756,1780]" metricMagnitude="3" metricUnit="m" metricValue="3.275" pageId="7" pageNumber="8" unit="m" value="3275.0">3275m</quantity>
, 75 individuals; St. 56804#6
<geoCoordinate id="C3C9503BEE2DBC4A3092F932AD60F8D2" box="[442,573,1791,1815]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="38.154335">38°09.26’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A3360F932AD8CF8D2" box="[584,721,1791,1815]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.615666">09°36.94’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A33F4F932AC71F8D2" box="[732,812,1791,1815]" metricMagnitude="3" metricUnit="m" metricValue="3.275" pageId="7" pageNumber="8" unit="m" value="3275.0">3275m</quantity>
, 48 individuals; St. 56806#1
<geoCoordinate id="C3C9503BEE2DBC4A35ACF932AA55F8D2" box="[1156,1288,1791,1815]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="38.154835">38°09.29’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A343AF932AAC0F8D2" box="[1298,1437,1791,1815]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.616">09°36.96’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A31BFF8EEAFBAF8FE" box="[151,231,1827,1851]" metricMagnitude="3" metricUnit="m" metricValue="3.275" pageId="7" pageNumber="8" unit="m" value="3275.0">3275m</quantity>
, 60 individuals; St. 56810#1
<geoCoordinate id="C3C9503BEE2DBC4A336DF8EEAD94F8FE" box="[581,713,1827,1851]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="38.153667">38°09.22’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A33FDF8EEAC02F8FE" box="[725,863,1827,1851]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.617">09°37.02’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3242F8EEACE6F8FE" box="[874,955,1827,1851]" metricMagnitude="3" metricUnit="m" metricValue="3.2239999999999993" pageId="7" pageNumber="8" unit="m" value="3224.0">3224m</quantity>
, 23 individuals; St. 56816#1
<geoCoordinate id="C3C9503BEE2DBC4A3430F8EEAAC1F8FE" box="[1304,1436,1827,1851]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="38.1545">38°09.27’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A31BFF88AAE7DF89A" box="[151,288,1863,1887]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.615666">09°36.94’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3000F88AAE25F89A" box="[296,376,1863,1887]" metricMagnitude="3" metricUnit="m" metricValue="3.275" pageId="7" pageNumber="8" unit="m" value="3275.0">3275m</quantity>
, 37 individuals.
</paragraph>
<paragraph id="A64236FCEE2DBC4A31EFF8A7AECEF828" blockId="7.[151,1437,1294,2029]" pageId="7" pageNumber="8">
<emphasis id="9489EAEEEE2DBC4A31EFF8A7AE24F844" box="[199,377,1898,1922]" italics="true" pageId="7" pageNumber="8">Cascais canyon</emphasis>
: RRS
<emphasis id="9489EAEEEE2DBC4A30EFF8A4AD23F844" box="[455,638,1897,1922]" italics="true" pageId="7" pageNumber="8">Charles Darwin</emphasis>
179 April/
<date id="D243103CEE2DBC4A33D4F8A4AC2EF847" box="[764,883,1897,1922]" pageId="7" pageNumber="8" value="2006-05">May 2006</date>
, St. 56821#1
<geoCoordinate id="C3C9503BEE2DBC4A3539F8A7ABC8F847" box="[1041,1173,1898,1922]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="38.29933">38°17.96’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A35B6F8A7AA7AF847" box="[1182,1319,1898,1922]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.781167">09°46.87’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3418F8A7AADCF847" box="[1328,1409,1898,1922]" metricMagnitude="3" metricUnit="m" metricValue="3.219" pageId="7" pageNumber="8" unit="m" value="3219.0">3219m</quantity>
, 1 individual; St. 56823#2
<geoCoordinate id="C3C9503BEE2DBC4A309DF840AD64F860" box="[437,569,1933,1957]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="38.300167">38°18.01’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A336EF840AD92F860" box="[582,719,1933,1957]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.783667">09°47.02’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A33F4F840AC70F860" box="[732,813,1933,1957]" metricMagnitude="3" metricUnit="m" metricValue="3.218" pageId="7" pageNumber="8" unit="m" value="3218.0">3218m</quantity>
, 2 individuals; St. 56823#3
<geoCoordinate id="C3C9503BEE2DBC4A35AAF840AA5BF860" box="[1154,1286,1933,1957]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="38.299835">38°17.99’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A343AF840AAC1F860" box="[1298,1436,1933,1957]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.7845">09°47.07’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A31BFF87CAFBAF80C" box="[151,231,1969,1993]" metricMagnitude="3" metricUnit="m" metricValue="3.219" pageId="7" pageNumber="8" unit="m" value="3219.0">3219m</quantity>
, 2 individual; St. 56828#1
<geoCoordinate id="C3C9503BEE2DBC4A3332F87CADC3F80C" box="[538,670,1969,1993]" direction="north" orientation="latitude" pageId="7" pageNumber="8" precision="9" value="38.300335">38°18.02’N</geoCoordinate>
<geoCoordinate id="C3C9503BEE2DBC4A338EF87CAC72F80C" box="[678,815,1969,1993]" direction="west" orientation="longitude" pageId="7" pageNumber="8" precision="9" value="-9.783">09°46.98’W</geoCoordinate>
<quantity id="61059B19EE2DBC4A3210F87CACD5F80C" box="[824,904,1969,1993]" metricMagnitude="3" metricUnit="m" metricValue="3.199" pageId="7" pageNumber="8" unit="m" value="3199.0">3199m</quantity>
, 3 individuals; St. 56837#7 38.3748° -9.8920°,
<quantity id="61059B19EE2DBC4A31BFF819AFB3F829" box="[151,238,2004,2028]" metricMagnitude="3" metricUnit="m" metricValue="4.243" pageId="7" pageNumber="8" unit="m" value="4243.0">4243 m</quantity>
, 3 individuals.
</paragraph>
</subSubSection>
<subSubSection id="EEE76577EE22BC4531EFFF5AAE9DFED8" pageId="8" pageNumber="9" type="materials_examined">
<paragraph id="A64236FCEE22BC4531EFFF5AAE9DFED8" blockId="8.[151,1436,151,285]" pageId="8" pageNumber="9">
<emphasis id="9489EAEEEE22BC4531EFFF5AAE85FF75" bold="true" box="[199,472,151,176]" pageId="8" pageNumber="9">Other material studied</emphasis>
:
<taxonomicName id="61FD4D7FEE22BC4530CFFF55ACD6FF75" authority="Maciolek, 1985" authorityName="Maciolek" authorityYear="1985" box="[487,907,151,176]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="8" pageNumber="9" phylum="Annelida" rank="species" species="laciniosa">
<emphasis id="9489EAEEEE22BC4530CFFF55AD8CFF75" box="[487,721,151,176]" italics="true" pageId="8" pageNumber="9">Prionospio laciniosa</emphasis>
Maciolek, 1985
</taxonomicName>
;
<typeStatus id="7946885EEE22BC4532BFFF55AB5FFF6A" box="[919,1026,152,175]" pageId="8" pageNumber="9" type="paratype">paratypes</typeStatus>
(USNM 67674-75).
<emphasis id="9489EAEEEE22BC4531EFFF71AEEBFF10" bold="true" box="[199,438,188,213]" pageId="8" pageNumber="9">Diagnostic features.</emphasis>
Wrinkled branchiae on chaetigers 2 and 5, rectangular prostomium, dorsal crests from chaetiger 6 extending to beyond chaetiger 20, distal ends of proximal dorsal lamellae bent toward the mid-line and produced into slender tips.
</paragraph>
</subSubSection>
<caption id="F2826674EE22BC4531BFF923AEB2F884" httpUri="https://zenodo.org/record/259918/files/figure.png" pageId="8" pageNumber="9" targetBox="[151,1434,359,1742]" targetPageId="8">
<paragraph id="A64236FCEE22BC4531BFF923AEB2F884" blockId="8.[151,1436,1773,1857]" pageId="8" pageNumber="9">
<emphasis id="9489EAEEEE22BC4531BFF923AE4FF8C6" bold="true" box="[151,274,1774,1795]" pageId="8" pageNumber="9">FIGURE 4.</emphasis>
<taxonomicName id="61FD4D7FEE22BC453030F923AEB5F8C6" box="[280,488,1773,1795]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="8" pageNumber="9" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE22BC453030F923AEB5F8C6" box="[280,488,1773,1795]" italics="true" pageId="8" pageNumber="9">Prionospio vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE22BC4530C6F923AD63F8C6" box="[494,574,1774,1795]" pageId="8" pageNumber="9" rank="species">
<emphasis id="9489EAEEEE22BC4530C6F923AD63F8C6" bold="true" box="[494,574,1774,1795]" pageId="8" pageNumber="9">sp. nov.</emphasis>
</taxonomicNameLabel>
a) Dorsal view of anterior chaetigers; scale bar = 200 µm. b) Lateral view of anterior chaetigers; scale bar = 200 µm. c) Detail of branchial arrangement; scale bar = 200 µm. d) Photomicrograph of neuropodial hooded hooks; scale bar = 10 µm.
</paragraph>
</caption>
<subSubSection id="EEE76577EE22BC4431EFF8A5AEACFA90" lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9" type="description">
<paragraph id="A64236FCEE22BC4431EFF8A5AEB3FF3D" blockId="8.[151,1436,1896,2029]" lastBlockId="9.[151,1437,151,2015]" lastPageId="9" lastPageNumber="10" pageId="8" pageNumber="9">
<emphasis id="9489EAEEEE22BC4531EFF8A5AE04F844" bold="true" box="[199,345,1896,1921]" pageId="8" pageNumber="9">Description.</emphasis>
A small and slender species,
<typeStatus id="7946885EEE22BC45338CF8A5AC5BF844" box="[676,774,1896,1921]" pageId="8" pageNumber="9" type="holotype">holotype</typeStatus>
complete with 65 chaetigers, measuring
<quantity id="61059B19EE22BC4535F9F8A5AA68F845" box="[1233,1333,1896,1920]" metricMagnitude="-2" metricUnit="m" metricValue="1.24" pageId="8" pageNumber="9" unit="mm" value="12.4">12.4 mm</quantity>
long and
<quantity id="61059B19EE22BC4531BFF840AFA1F861" box="[151,252,1933,1957]" metricMagnitude="-4" metricUnit="m" metricValue="2.5" pageId="8" pageNumber="9" unit="mm" value="0.25">0.25 mm</quantity>
wide at chaetiger 1. Colour in alcohol pale yellow. Prostomium rectangular for about 2/3 of length, then tapering into caruncle reaching to anterior margin of chaetiger 2; posterior portion surrounded by heavily ciliated nuchal organs (
<figureCitation id="3EC62A79EE22BC453078F819AEC6F828" box="[336,411,2004,2029]" captionStart="FIGURE 4" captionStartId="8.[151,250,1774,1795]" captionTargetBox="[151,1434,359,1742]" captionTargetId="figure@8.[151,1436,359,1744]" captionTargetPageId="8" captionText="FIGURE 4. Prionospio vallensis sp. nov. a) Dorsal view of anterior chaetigers; scale bar = 200 µm. b) Lateral view of anterior chaetigers; scale bar = 200 µm. c) Detail of branchial arrangement; scale bar = 200 µm. d) Photomicrograph of neuropodial hooded hooks; scale bar = 10 µm." httpUri="https://zenodo.org/record/259918/files/figure.png" pageId="8" pageNumber="9">Fig. 4</figureCitation>
a); anterior margin truncated (
<figureCitation id="3EC62A79EE22BC45322EF819AC19F828" box="[774,836,2004,2029]" captionStart="FIGURE 4" captionStartId="8.[151,250,1774,1795]" captionTargetBox="[151,1434,359,1742]" captionTargetId="figure@8.[151,1436,359,1744]" captionTargetPageId="8" captionText="FIGURE 4. Prionospio vallensis sp. nov. a) Dorsal view of anterior chaetigers; scale bar = 200 µm. b) Lateral view of anterior chaetigers; scale bar = 200 µm. c) Detail of branchial arrangement; scale bar = 200 µm. d) Photomicrograph of neuropodial hooded hooks; scale bar = 10 µm." httpUri="https://zenodo.org/record/259918/files/figure.png" pageId="8" pageNumber="9">Fig.4</figureCitation>
), prostomial peaks absent; eyes absent (1 pair of colourless eyes present in some specimens, positioned on prostomium just before caruncle, best observed on stained specimens). Peristomium well developed ventrally, forming distinct lateral wings; chaetiger 1 reduced, dorsally fused to peristomium.
</paragraph>
<paragraph id="A64236FCEE23BC4431EFFEC9AEE3FDA5" blockId="9.[151,1437,151,2015]" pageId="9" pageNumber="10">
Branchiae present on chaetigers 2–5, 4 pairs, all apinnate, but wrinkled (
<figureCitation id="3EC62A79EE23BC4432DCFEC9AB72FED8" box="[1012,1071,260,285]" captionStart="FIGURE 4" captionStartId="8.[151,250,1774,1795]" captionTargetBox="[151,1434,359,1742]" captionTargetId="figure@8.[151,1436,359,1744]" captionTargetPageId="8" captionText="FIGURE 4. Prionospio vallensis sp. nov. a) Dorsal view of anterior chaetigers; scale bar = 200 µm. b) Lateral view of anterior chaetigers; scale bar = 200 µm. c) Detail of branchial arrangement; scale bar = 200 µm. d) Photomicrograph of neuropodial hooded hooks; scale bar = 10 µm." httpUri="https://zenodo.org/record/259918/files/figure.png" pageId="9" pageNumber="10">Fig.4</figureCitation>
b,c). First pair longest, reaching to the anterior margin of chaetiger 8, approximately six times longer than the corresponding notopodial lamellae, distinctly wrinkled with deep grooves, thickened at the base, then cylindrical, tapering into blunt tip (in some specimens the first pair rather slender, still wrinkled but without deep grooves, possibly regenerating), heavily ciliated; pair 4 similar to pair 1 but shorter, by a ratio of 1:4, approximately four times longer than the corresponding notopodial lamellae; pairs 2 and 3 short and heavily ciliated, only slightly longer than notopodial lamellae, with wrinkled surface, fleshy and triangular, wider at base and tapering distally, both pairs are partially covered by enlarged notopodial lamellae; all branchiae free from notopodial lamellae, positioned laterally and slightly posteriorly in relation to inner edge of notopodial lamellae (branchial pairs 1 and 4 easily lost and missing in majority of specimens).
</paragraph>
<paragraph id="A64236FCEE23BC4431EFFDA1ADB1FCFD" blockId="9.[151,1437,151,2015]" pageId="9" pageNumber="10">
Notopodial lamellae on chaetiger 1 well developed (Fig.2.2a), rounded with very produced tip pointed dorsally; lamellae largest on branchial segments, particularly on chaetigers 3 and 4, subtriangular and somewhat bent, with tips pointing to the midline of dorsum (Fig.2.2 b,c), notopodial lamellae on chaetiger 6 becoming smaller; from chaetiger 7 lamellae small, triangular, pointed distally, often bent, in mid-body segments becoming low, globular (Fig.2.2d). Distinct dorsal crests present from chaetiger 6 and on subsequent chaetigers (
<figureCitation id="3EC62A79EE23BC44340DFD31AA35FCD0" box="[1317,1384,764,789]" captionStart="FIGURE 4" captionStartId="8.[151,250,1774,1795]" captionTargetBox="[151,1434,359,1742]" captionTargetId="figure@8.[151,1436,359,1744]" captionTargetPageId="8" captionText="FIGURE 4. Prionospio vallensis sp. nov. a) Dorsal view of anterior chaetigers; scale bar = 200 µm. b) Lateral view of anterior chaetigers; scale bar = 200 µm. c) Detail of branchial arrangement; scale bar = 200 µm. d) Photomicrograph of neuropodial hooded hooks; scale bar = 10 µm." httpUri="https://zenodo.org/record/259918/files/figure.png" pageId="9" pageNumber="10">Fig. 4</figureCitation>
a) to beyond chaetiger 20. Interparapodial pouches absent.
</paragraph>
<paragraph id="A64236FCEE23BC4431EFFC89AEB4FC0D" blockId="9.[151,1437,151,2015]" pageId="9" pageNumber="10">Neuropodial lamellae largest in branchial segments; small and rounded in chaetiger 1, neuropodia of chaetiger 2 square-shaped, similar in shape but with distinct tip pointing dorsally on chaetiger 3 (Fig. 2.2), in chaetigers 4 and 5 tip not protruded, lamellae square to slightly rounded in shape; from chaetiger 6 becoming small (low rising) and distinctly globular (Fig. 1.2d).</paragraph>
<paragraph id="A64236FCEE23BC4431EFFC19ACDBFB2D" blockId="9.[151,1437,151,2015]" pageId="9" pageNumber="10">
Anterior chaetae all capillaries, granulated, forming dense fascicles, arranged in two rows in both noto- and neuropodia, neuropodial capillaries become long in middle and posterior segments reaching over 4–5 chaetigers in length. Sabre chaetae first occur in neuropodia of chaetiger 10, up to two per fascicle, robust, curved, heavily granulated. Neuropodial hooks first occur on chaetiger 12 but occasionally start from chaetiger 13, up to eight per fascicle; primary hood inflated and somewhat rectangular in shape, secondary hood present and well developed; each hook with six pairs of smaller teeth sequentially reduced in size above the main fang. Notopodial hooks appear around segment 45 (
<typeStatus id="7946885EEE23BC4430F9FB61AD69FB00" box="[465,564,1196,1221]" pageId="9" pageNumber="10" type="holotype">holotype</typeStatus>
damaged in this section, all other specimens examined were incomplete and notopodial hooks not observed), two per fascicle, long and slender.
</paragraph>
<paragraph id="A64236FCEE23BC4431EFFB39AB4FFAC8" blockId="9.[151,1437,151,2015]" box="[199,1042,1268,1293]" pageId="9" pageNumber="10">Pygidium conical, without any appendages, but these might have been lost.</paragraph>
<paragraph id="A64236FCEE23BC4431EFFAD5AEACFA90" blockId="9.[151,1437,151,2015]" pageId="9" pageNumber="10">
<emphasis id="9489EAEEEE23BC4431EFFAD5AE89FAEA" bold="true" box="[199,468,1304,1327]" pageId="9" pageNumber="10">Methyl green pattern.</emphasis>
The borders of prostomium, including caruncle, peristomium, and dorsal crests on segments 12–20 stain strongly.
</paragraph>
</subSubSection>
<subSubSection id="EEE76577EE23BC4731EFFAADAEABFF11" lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10" type="discussion">
<paragraph id="A64236FCEE23BC4431EFFAADAE07F97B" blockId="9.[151,1437,151,2015]" pageId="9" pageNumber="10">
<emphasis id="9489EAEEEE23BC4431EFFAADAE66FAB2" bold="true" box="[199,315,1376,1399]" pageId="9" pageNumber="10">Remarks.</emphasis>
<taxonomicName id="61FD4D7FEE23BC443061FAACAD6BFABD" box="[329,566,1375,1400]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC443061FAACAD6BFABD" box="[329,566,1375,1400]" italics="true" pageId="9" pageNumber="10">Prionospio vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC44336DFAADADFAFAB2" box="[581,679,1376,1399]" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC44336DFAADADFAFAB2" bold="true" box="[581,679,1376,1399]" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
is characterised by wrinkled branchiae on segments 2 and 5.
<taxonomicName id="61FD4D7FEE23BC4431BFFA48AED6FA58" box="[151,395,1412,1437]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="fauchaldi">
<emphasis id="9489EAEEEE23BC4431BFFA48AED6FA58" box="[151,395,1412,1437]" italics="true" pageId="9" pageNumber="10">Prionospio fauchaldi</emphasis>
</taxonomicName>
and
<taxonomicName id="61FD4D7FEE23BC4430E7FA48AD05FA58" box="[463,600,1412,1437]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="laciniosa">
<emphasis id="9489EAEEEE23BC4430E7FA48AD05FA58" box="[463,600,1412,1437]" italics="true" pageId="9" pageNumber="10">P. laciniosa</emphasis>
</taxonomicName>
, both described by Maciolek, 1985, also possess wrinkled branchiae.
<taxonomicName id="61FD4D7FEE23BC4431BFFA64AEDAFA05" box="[151,391,1447,1472]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="fauchaldi">
<emphasis id="9489EAEEEE23BC4431BFFA64AEDAFA05" box="[151,391,1447,1472]" italics="true" pageId="9" pageNumber="10">Prionospio fauchaldi</emphasis>
</taxonomicName>
is recorded from the West Atlantic, SE coast of Africa in
<quantity id="61059B19EE23BC443506FA65ABE3FA05" box="[1070,1214,1448,1472]" metricMagnitude="3" metricUnit="m" metricValue="2.7399999999999998" metricValueMax="4.95" metricValueMin="0.53" pageId="9" pageNumber="10" unit="m" value="2740.0" valueMax="4950.0" valueMin="530.0">530–4950 m</quantity>
and in the western Pacific in approximately
<quantity id="61059B19EE23BC44309EFA01AD31FA21" box="[438,620,1484,1508]" metricMagnitude="3" metricUnit="m" metricValue="2.75" metricValueMax="3.0" metricValueMin="2.5" pageId="9" pageNumber="10" unit="m" value="2750.0" valueMax="3000.0" valueMin="2500.0">2500 to 3000 m</quantity>
(Blake et al. 2009), and
<taxonomicName id="61FD4D7FEE23BC4432A2FA00AB53FA20" box="[906,1038,1484,1509]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="laciniosa">
<emphasis id="9489EAEEEE23BC4432A2FA00AB53FA20" box="[906,1038,1484,1509]" italics="true" pageId="9" pageNumber="10">P. laciniosa</emphasis>
</taxonomicName>
is recorded from the west coast of Africa at
<quantity id="61059B19EE23BC44302FFA3DAEDEF9CD" box="[263,387,1520,1544]" metricMagnitude="2" metricUnit="m" metricValue="5.345" metricValueMax="5.42" metricValueMin="5.27" pageId="9" pageNumber="10" unit="m" value="534.5" valueMax="542.0" valueMin="527.0">
527–
<specimenCount id="B0FBFD75EE23BC443069FA3DAEDEF9CD" box="[321,387,1520,1544]" pageId="9" pageNumber="10" type="generic">542m</specimenCount>
</quantity>
.
<taxonomicName id="61FD4D7FEE23BC4430B8FA3CAD24F9CD" box="[400,633,1519,1544]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC4430B8FA3CAD24F9CD" box="[400,633,1519,1544]" italics="true" pageId="9" pageNumber="10">Prionospio vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC4433ACFA3DADBCF9C2" box="[644,737,1520,1543]" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC4433ACFA3DADBCF9C2" bold="true" box="[644,737,1520,1543]" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
further resembles
<taxonomicName id="61FD4D7FEE23BC443294FA3CAB18F9CD" box="[956,1093,1519,1544]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="fauchaldi">
<emphasis id="9489EAEEEE23BC443294FA3CAB18F9CD" box="[956,1093,1519,1544]" italics="true" pageId="9" pageNumber="10">P. fauchaldi</emphasis>
</taxonomicName>
by having a similar shape of prostomium and peristomium, with sabre chaetae and neuropodial hooks starting in the same segments. The major differences are that in
<taxonomicName id="61FD4D7FEE23BC4430A7F9F4AD49F995" box="[399,532,1591,1616]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="fauchaldi">
<emphasis id="9489EAEEEE23BC4430A7F9F4AD49F995" box="[399,532,1591,1616]" italics="true" pageId="9" pageNumber="10">P. fauchaldi</emphasis>
</taxonomicName>
the first and fourth pair of branchiae are of the same length, while the first pair is longer than fourth in
<taxonomicName id="61FD4D7FEE23BC4430A2F9ADAD54F9B2" box="[394,521,1630,1655]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC4430A2F9ADAD54F9B2" box="[394,521,1630,1655]" italics="true" pageId="9" pageNumber="10">P. vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC44333BF992AD33F9B3" box="[531,622,1631,1654]" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC44333BF992AD33F9B3" bold="true" box="[531,622,1631,1654]" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
; sabre chaetae are slender in
<taxonomicName id="61FD4D7FEE23BC4432EDF9ADAB10F9B2" box="[965,1101,1630,1655]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="fauchaldi">
<emphasis id="9489EAEEEE23BC4432EDF9ADAB10F9B2" box="[965,1101,1630,1655]" italics="true" pageId="9" pageNumber="10">P. fauchaldi</emphasis>
</taxonomicName>
but robust in
<taxonomicName id="61FD4D7FEE23BC4435D9F9ADAA2CF9B2" box="[1265,1393,1630,1655]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC4435D9F9ADAA2CF9B2" box="[1265,1393,1630,1655]" italics="true" pageId="9" pageNumber="10">P. vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC443452F992AF95F95F" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC443452F992AF95F95F" bold="true" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
; and
<taxonomicName id="61FD4D7FEE23BC443038F94EAEC7F95E" box="[272,410,1666,1691]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="fauchaldi">
<emphasis id="9489EAEEEE23BC443038F94EAEC7F95E" box="[272,410,1666,1691]" italics="true" pageId="9" pageNumber="10">P. fauchaldi</emphasis>
</taxonomicName>
possesses extremely long capillaries on the third chaetiger, but these are lacking in
<taxonomicName id="61FD4D7FEE23BC4434AFF94EAFA4F97A" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC4434AFF94EAFA4F97A" italics="true" pageId="9" pageNumber="10">P. vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC443028F96AAE07F97B" box="[256,346,1703,1726]" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC443028F96AAE07F97B" bold="true" box="[256,346,1703,1726]" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
</paragraph>
<paragraph id="A64236FCEE23BC4731EFF906AEABFF11" blockId="9.[151,1437,151,2015]" lastBlockId="10.[151,1437,151,863]" lastPageId="10" lastPageNumber="11" pageId="9" pageNumber="10">
<taxonomicName id="61FD4D7FEE23BC4431EFF906AEF1F926" box="[199,428,1738,1763]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC4431EFF906AEF1F926" box="[199,428,1738,1763]" italics="true" pageId="9" pageNumber="10">Prionospio vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC44309BF906AD50F927" box="[435,525,1739,1762]" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC44309BF906AD50F927" bold="true" box="[435,525,1739,1762]" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
is most similar to
<taxonomicName id="61FD4D7FEE23BC4433F4F906AC03F926" box="[732,862,1738,1763]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="laciniosa">
<emphasis id="9489EAEEEE23BC4433F4F906AC03F926" box="[732,862,1738,1763]" italics="true" pageId="9" pageNumber="10">P. laciniosa</emphasis>
</taxonomicName>
, which also has the first wrinkled pair of branchiae longer than the fourth, but differs from
<taxonomicName id="61FD4D7FEE23BC443357F93DAC5EF8C2" box="[639,771,1774,1799]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC443357F93DAC5EF8C2" box="[639,771,1774,1799]" italics="true" pageId="9" pageNumber="10">P. vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC443239F922AC2CF8C3" box="[785,881,1775,1798]" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC443239F922AC2CF8C3" bold="true" box="[785,881,1775,1798]" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
in having a triangular rather than rectangular prostomium and presence of distinct dorsal flaps, which were not seen in
<taxonomicName id="61FD4D7FEE23BC4432EEF8DEAB1EF8EE" box="[966,1091,1810,1835]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC4432EEF8DEAB1EF8EE" box="[966,1091,1810,1835]" italics="true" pageId="9" pageNumber="10">P. vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC443561F8DEABFFF8EF" box="[1097,1186,1811,1834]" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC443561F8DEABFFF8EF" bold="true" box="[1097,1186,1811,1834]" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
The dorsal crests in
<taxonomicName id="61FD4D7FEE23BC4434AFF8DEAFA3F88A" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="laciniosa">
<emphasis id="9489EAEEEE23BC4434AFF8DEAFA3F88A" italics="true" pageId="9" pageNumber="10">P. laciniosa</emphasis>
</taxonomicName>
are present only on chaetigers 5–13 while in
<taxonomicName id="61FD4D7FEE23BC44322EF8F5ACD8F88A" box="[774,901,1846,1871]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC44322EF8F5ACD8F88A" box="[774,901,1846,1871]" italics="true" pageId="9" pageNumber="10">P. vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC4432A5F8FAACB5F88B" box="[909,1000,1847,1870]" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC4432A5F8FAACB5F88B" bold="true" box="[909,1000,1847,1870]" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
they start on chaetiger 6 and continue beyond chaetiger 20. The shape of notopodial lamellae of the branchial region is also different, whilst subtriangular in both species, the distal ends are bent and directed to the middle and extend into slender tips in
<taxonomicName id="61FD4D7FEE23BC4435DBF84DAA2FF852" box="[1267,1394,1918,1943]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC4435DBF84DAA2FF852" box="[1267,1394,1918,1943]" italics="true" pageId="9" pageNumber="10">P. vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC443452F8B2AF95F87F" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC443452F8B2AF95F87F" bold="true" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
, whereas in
<taxonomicName id="61FD4D7FEE23BC443048F86EAEBBF87E" box="[352,486,1954,1979]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="laciniosa">
<emphasis id="9489EAEEEE23BC443048F86EAEBBF87E" box="[352,486,1954,1979]" italics="true" pageId="9" pageNumber="10">P. laciniosa</emphasis>
</taxonomicName>
this bend is less prominent and the tips are more robust. The sabre chaetae in
<taxonomicName id="61FD4D7FEE23BC4434AFF86EAFA4F81A" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE23BC4434AFF86EAFA4F81A" italics="true" pageId="9" pageNumber="10">P. vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE23BC443029F80AAE01F81B" box="[257,348,1991,2014]" pageId="9" pageNumber="10" rank="species">
<emphasis id="9489EAEEEE23BC443029F80AAE01F81B" bold="true" box="[257,348,1991,2014]" pageId="9" pageNumber="10">sp. nov.</emphasis>
</taxonomicNameLabel>
are more robust and shorter than in
<taxonomicName id="61FD4D7FEE23BC4433D3F805AC23F81A" box="[763,894,1990,2015]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="10" phylum="Annelida" rank="species" species="laciniosa">
<emphasis id="9489EAEEEE23BC4433D3F805AC23F81A" box="[763,894,1990,2015]" italics="true" pageId="9" pageNumber="10">P. laciniosa</emphasis>
</taxonomicName>
. The specimens of both species were of similar size, therefore these differences, particularly presence/absence of dorsal flaps are unlikely to be of result of different developmental stages.
</paragraph>
</subSubSection>
<subSubSection id="EEE76577EE20BC4731EFFF2DABCBFE69" pageId="10" pageNumber="11" type="etymology">
<paragraph id="A64236FCEE20BC4731EFFF2DAA76FF32" blockId="10.[151,1437,151,863]" box="[199,1323,223,248]" pageId="10" pageNumber="11">
<emphasis id="9489EAEEEE20BC4731EFFF2DAE13FF32" bold="true" box="[199,334,224,247]" pageId="10" pageNumber="11">Etymology.</emphasis>
<taxonomicName id="61FD4D7FEE20BC47307DFF12AEEAFF3D" box="[341,439,223,248]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="vallensis">
<emphasis id="9489EAEEEE20BC47307DFF12AEEAFF3D" box="[341,439,223,248]" italics="true" pageId="10" pageNumber="11">vallensis</emphasis>
</taxonomicName>
from the Latin
<emphasis id="9489EAEEEE20BC47334EFF12ADFAFF3D" box="[614,679,223,248]" italics="true" pageId="10" pageNumber="11">valles</emphasis>
, meaning valley, the closest Latin expression for canyon.
</paragraph>
<paragraph id="A64236FCEE20BC4731EFFEC8ABCBFE69" blockId="10.[151,1437,151,863]" pageId="10" pageNumber="11">
<emphasis id="9489EAEEEE20BC4731EFFEC8AE76FEDE" bold="true" box="[199,299,260,284]" pageId="10" pageNumber="11">Ecology.</emphasis>
<taxonomicName id="61FD4D7FEE20BC473010FEC8AEE6FED8" box="[312,443,260,285]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE20BC473010FEC8AEE6FED8" box="[312,443,260,285]" italics="true" pageId="10" pageNumber="11">P. vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE20BC4730EFFEC8AD7BFED9" box="[455,550,261,284]" pageId="10" pageNumber="11" rank="species">
<emphasis id="9489EAEEEE20BC4730EFFEC8AD7BFED9" bold="true" box="[455,550,261,284]" pageId="10" pageNumber="11">sp. nov.</emphasis>
</taxonomicNameLabel>
was previously recorded from Setúbal canyon at
<quantity id="61059B19EE20BC473555FEC9AB8AFED9" box="[1149,1239,260,284]" metricMagnitude="3" metricUnit="m" metricValue="3.4" pageId="10" pageNumber="11" unit="m" value="3400.0">3400 m</quantity>
during the RRS
<emphasis id="9489EAEEEE20BC4731BFFEE5AE54FEFA" box="[151,265,296,319]" italics="true" pageId="10" pageNumber="11">Discovery</emphasis>
cruise
<quantity id="61059B19EE20BC473073FEE5AEFFFE85" box="[347,418,295,320]" metricMagnitude="0" metricUnit="m" metricValue="4.7244" pageId="10" pageNumber="11" unit="in" value="186.0">186 in</quantity>
1989; although not formally described, it was recorded as
<taxonomicName id="61FD4D7FEE20BC473515FEEAABF0FE85" box="[1085,1197,295,320]" class="Polychaeta" family="Spionidae" kingdom="Animalia" order="Spionida" pageId="10" pageNumber="11" phylum="Annelida" rank="family">Spionidae</taxonomicName>
H. It was the second most abundant species in that study. Examination of photographs of polychaete specimens collected in 1999 during OMEX II from Nazaré canyon and reported by Curdia
<emphasis id="9489EAEEEE20BC47322DFEBDAC62FE4D" box="[773,831,367,392]" italics="true" pageId="10" pageNumber="11">et al.</emphasis>
(2004) as
<taxonomicName id="61FD4D7FEE20BC47329FFEBDAB6EFE42" box="[951,1075,368,391]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="10" pageNumber="11" phylum="Annelida" rank="genus">
<emphasis id="9489EAEEEE20BC47329FFEBDAB6EFE42" box="[951,1075,368,391]" italics="true" pageId="10" pageNumber="11">Prionospio</emphasis>
</taxonomicName>
sp. G is likely to be
<taxonomicName id="61FD4D7FEE20BC473437FEBDAFA4FE68" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="vallensis">
<emphasis id="9489EAEEEE20BC473437FEBDAFA4FE68" italics="true" pageId="10" pageNumber="11">Prionospio vallensis</emphasis>
</taxonomicName>
. It was reported as the most abundant macrofaunal species at
<quantity id="61059B19EE20BC473287FE59AB5EFE69" box="[943,1027,404,428]" metricMagnitude="3" metricUnit="m" metricValue="3.514" pageId="10" pageNumber="11" unit="m" value="3514.0">3514 m</quantity>
and
<quantity id="61059B19EE20BC473512FE59ABCFFE69" box="[1082,1170,404,428]" metricMagnitude="3" metricUnit="m" metricValue="4.141" pageId="10" pageNumber="11" unit="m" value="4141.0">4141 m</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="EEE76577EE20BC4731EFFE75AD18FCFE" pageId="10" pageNumber="11" type="description">
<paragraph id="A64236FCEE20BC4731EFFE75AD18FCFE" blockId="10.[151,1437,151,863]" pageId="10" pageNumber="11">
<taxonomicName id="61FD4D7FEE20BC4731EFFE75AEECFE15" box="[199,433,439,464]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="10" pageNumber="11" phylum="Annelida" rank="species" species="vallensis" status="sp. nov.">
<emphasis id="9489EAEEEE20BC4731EFFE75AEECFE15" box="[199,433,439,464]" italics="true" pageId="10" pageNumber="11">Prionospio vallensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE20BC473095FE75AD41FE0A" box="[445,540,440,463]" pageId="10" pageNumber="11" rank="species">
<emphasis id="9489EAEEEE20BC473095FE75AD41FE0A" bold="true" box="[445,540,440,463]" pageId="10" pageNumber="11">sp. nov.</emphasis>
</taxonomicNameLabel>
was the single most abundant polychaete in Portuguese canyons, achieving densities of 784 ind./m
<quantity id="61059B19EE20BC4730BEFE16AEE7FE32" box="[406,442,475,503]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="10" pageNumber="11" unit="in" value="2.0">2 in</quantity>
Setúbal canyon (
<quantity id="61059B19EE20BC473352FE13AD8CFE32" box="[634,721,478,503]" metricMagnitude="3" metricUnit="m" metricValue="3.4" pageId="10" pageNumber="11" unit="m" value="3400.0">3400 m</quantity>
) and up to 918 ind./m
<quantity id="61059B19EE20BC4732EEFE16ACB7FE32" box="[966,1002,475,503]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="10" pageNumber="11" unit="in" value="2.0">2 in</quantity>
Nazaré canyon (
<quantity id="61059B19EE20BC47358EFE13ABA0FE32" box="[1190,1277,478,503]" metricMagnitude="3" metricUnit="m" metricValue="3.4" pageId="10" pageNumber="11" unit="m" value="3400.0">3400 m</quantity>
) (
<collectingCountry id="DEEA766CEE20BC47343BFE13AA00FE32" box="[1299,1373,478,503]" name="Saint Helena, Ascension and Tristan da Cunha" pageId="10" pageNumber="11">Cunha</collectingCountry>
<emphasis id="9489EAEEEE20BC47344CFE2DAAC0FE32" box="[1380,1437,478,503]" italics="true" pageId="10" pageNumber="11">et al.</emphasis>
2011; Paterson
<emphasis id="9489EAEEEE20BC473066FDCEAED6FDDE" box="[334,395,514,539]" italics="true" pageId="10" pageNumber="11">et al.</emphasis>
2011). The difference in the abundance between our study and previous ones may be a reflection of different sampling design used during
<emphasis id="9489EAEEEE20BC4733C2FDEAACC8FDFA" box="[746,917,551,575]" italics="true" pageId="10" pageNumber="11">RRS Discovery</emphasis>
cruise186, where macrofauna was sieved on 300-micron mesh. However, it was not present in Portuguese canyon samples collected at
<quantity id="61059B19EE20BC4735B9FD86ABBBFDA7" box="[1169,1254,587,611]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="11" unit="m" value="1000.0">1000 m</quantity>
or on the Tagus Abyssal Plain, which is adjacent to Setúbal and Cascais canyons. It is possible that this is a deep canyon “specialist” able to utilize the organically enriched sediments found within the canyon (compared to similar noncanyon depths) and/or rapidly occupy sediments following frequent disturbances, which occur within canyons. Data from previous studies in these canyons (Gage
<emphasis id="9489EAEEEE20BC4733FDFD16AC50FD36" box="[725,781,730,755]" italics="true" pageId="10" pageNumber="11">et al.</emphasis>
1995; Curdia
<emphasis id="9489EAEEEE20BC473285FD16ACBBFD36" box="[941,998,730,755]" italics="true" pageId="10" pageNumber="11">et al.</emphasis>
2004) suggest that
<taxonomicName id="61FD4D7FEE20BC473597FD16AA65FD37" box="[1215,1336,730,755]" class="Polychaeta" family="Spionidae" genus="Prionospio" kingdom="Animalia" order="Spionida" pageId="10" pageNumber="11" phylum="Annelida" rank="subSpecies" species="vall" status="sp. nov." subSpecies="ensis">
<emphasis id="9489EAEEEE20BC473597FD16AA65FD37" box="[1215,1336,730,755]" italics="true" pageId="10" pageNumber="11">P. vall ensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="8FBA5795EE20BC47346BFD16AAC1FD37" box="[1347,1436,731,754]" pageId="10" pageNumber="11" rank="species">
<emphasis id="9489EAEEEE20BC47346BFD16AAC1FD37" bold="true" box="[1347,1436,731,754]" pageId="10" pageNumber="11">sp. nov.</emphasis>
</taxonomicNameLabel>
has been able to maintain high-density populations in Portuguese canyons on more than a decadal timescale (sampling in 1989, 1999, 2005, 2006).
</paragraph>
</subSubSection>
<subSubSection id="EEE76577EE20BC4731EFFC8BAA5BFC9A" box="[199,1286,838,863]" pageId="10" pageNumber="11" type="distribution">
<paragraph id="A64236FCEE20BC4731EFFC8BAA5BFC9A" blockId="10.[151,1437,151,863]" box="[199,1286,838,863]" pageId="10" pageNumber="11">
<emphasis id="9489EAEEEE20BC4731EFFC8BAE3DFC9B" bold="true" box="[199,352,838,863]" pageId="10" pageNumber="11">Distribution.</emphasis>
Nazaré, Setúbal, and Cascais canyons along the Portuguese margin,
<quantity id="61059B19EE20BC47354CFC8AAA5FFC9A" box="[1124,1282,839,863]" metricMagnitude="3" metricUnit="m" metricValue="3.8089999999999997" metricValueMax="4.419" metricValueMin="3.199" pageId="10" pageNumber="11" unit="m" value="3809.0" valueMax="4419.0" valueMin="3199.0">3199–4419 m</quantity>
.
</paragraph>
</subSubSection>
</treatment>
</document>
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