421 lines
64 KiB
XML
421 lines
64 KiB
XML
<document id="BDC10C53B9D78A023C79C4B3836FEB21" ID-DOI="10.5281/zenodo.182524" ID-GBIF-Dataset="3f3ccbb3-5e14-4c69-976b-ecc8f8308357" ID-ISSN="1175-5326" ID-Zenodo-Dep="182524" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1459868953332" checkinUser="plazi" docAuthor="Santos, Cinthya S. G. & Mackie, Andrew S. Y." docDate="2008" docId="621CBD285363244105D3219EB269FBB7" docLanguage="en" docName="zt01790p068.pdf" docOrigin="Zootaxa 1790" docStyle="DocumentStyle:6581673A57F01A3145754A1E615EDFF0.4:Zootaxa.2007-2008.journal_article" docStyleId="6581673A57F01A3145754A1E615EDFF0" docStyleName="Zootaxa.2007-2008.journal_article" docStyleVersion="4" docTitle="Poecilochaetus perequensis Santos & Mackie, sp. nov." docType="treatment" docVersion="7" lastPageNumber="66" masterDocId="9E25C550536B244C05442304B61CFFC5" masterDocTitle="New species of Poecilochaetus Claparède, 1875 (Polychaeta, Spionida, Poecilochaetidae) from Paranaguá Bay, southeastern Brazil" masterLastPageNumber="68" masterPageNumber="53" pageNumber="61" updateTime="1698226427176" updateUser="plazi">
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<mods:mods id="5DC012237FF196F56EF3FC83347B2B94" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo id="C1EFBA044422BDFC344FC6C9EAEC74DA">
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<mods:title id="13E3FB7CC497BC7604EF76F6AA431C67">New species of Poecilochaetus Claparède, 1875 (Polychaeta, Spionida, Poecilochaetidae) from Paranaguá Bay, southeastern Brazil</mods:title>
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</mods:titleInfo>
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<mods:name id="6C6C6B1E0580A32F943AD318BABFA132" type="personal">
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<mods:role id="DA9420BAD4AEBD0D2652A5726C42DE27">
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<mods:roleTerm id="07CDFF7221D8B8F42FD40B7589BA11B8">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="9C53ADCE951FD0463A585F5F97596810">Santos, Cinthya S. G.</mods:namePart>
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</mods:name>
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<mods:name id="102A7C1A98C0AD99E5B14DE4353423AD" type="personal">
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<mods:role id="064C2FA4FE28E9962324A592E6FE7660">
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<mods:roleTerm id="A8E529AF81C50E097509B1F010FC9AF0">Author</mods:roleTerm>
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</mods:role>
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<mods:namePart id="BEAFA921B447319B129C807E316DC5F1">Mackie, Andrew S. Y.</mods:namePart>
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</mods:name>
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<mods:typeOfResource id="5ACFF64F3B3868D24CF242033CFF1281">text</mods:typeOfResource>
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<mods:relatedItem id="19D32066EE167B2E774816F38C09A5F4" type="host">
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<mods:titleInfo id="D7959458105B8595E22FF9BDF5A8E3B5">
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||
<mods:title id="AB393D4DCC1A75672E4C26578CF4B0D2">Zootaxa</mods:title>
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||
</mods:titleInfo>
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||
<mods:part id="BF8A0EF41C1691D658985257F3ED7505">
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<mods:date id="4F5BD23D878C9B7D677A456B5ED6BD2D">2008</mods:date>
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<mods:detail id="A6C3CD606D0D64308D0DE60632152184" type="volume">
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<mods:number id="8B4E682B1D122391E8719A8E9BDE580C">1790</mods:number>
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</mods:detail>
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<mods:extent id="D6813DFDB03D36EFCD04F362AA3029FB" unit="page">
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<mods:start id="5F3F26F458696D579BD3EE8724F45924">53</mods:start>
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<mods:end id="87FAA222E6FA7B0CC8AAC9D2E34360A4">68</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:classification id="E8BBB2E9660AB1A4998F44D66A1E624B">journal article</mods:classification>
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<mods:identifier id="9569B3B1ED71A4918C9367FC62298090" type="DOI">10.5281/zenodo.182524</mods:identifier>
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<mods:identifier id="71D6D8B04FBDF3E1153E627FD91E5B09" type="GBIF-Dataset">3f3ccbb3-5e14-4c69-976b-ecc8f8308357</mods:identifier>
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<mods:identifier id="DE801D73D694115C9007D536532661AA" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="CA19205909237666DF98EC65673A3952" type="Zenodo-Dep">182524</mods:identifier>
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</mods:mods>
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<treatment id="621CBD285363244105D3219EB269FBB7" ID-DOI="http://doi.org/10.5281/zenodo.6235439" ID-GBIF-Taxon="119369111" ID-Zenodo-Dep="6235439" LSID="urn:lsid:plazi:treatment:621CBD285363244105D3219EB269FBB7" httpUri="http://treatment.plazi.org/id/621CBD285363244105D3219EB269FBB7" lastPageId="13" lastPageNumber="66" pageId="8" pageNumber="61">
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<subSubSection id="A2AF5FB55363244405D3219EB723FD12" pageId="8" pageNumber="61" type="nomenclature">
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||
<paragraph id="EA0A0C3E5363244405D3219EB53AFD71" blockId="8.[151,806,666,727]" box="[151,806,666,692]" pageId="8" pageNumber="61">
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||
<heading id="B142BB525363244405D3219EB53AFD71" bold="true" box="[151,806,666,692]" fontSize="11" level="1" pageId="8" pageNumber="61" reason="1">
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<emphasis id="D8C1D02C5363244405D3219EB53AFD71" bold="true" box="[151,806,666,692]" pageId="8" pageNumber="61">
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<taxonomicName id="2DB577BD5363244405D3219EB4DEFD71" ID-CoL="784SD" authority="Santos & Mackie" authorityName="Santos & Mackie" box="[151,706,666,692]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="8" pageNumber="61" phylum="Annelida" rank="species" species="perequensis" status="sp. nov.">
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<emphasis id="D8C1D02C5363244405D3219EB7FFFD71" bold="true" box="[151,483,666,692]" italics="true" pageId="8" pageNumber="61">Poecilochaetus perequensis</emphasis>
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Santos & Mackie
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</taxonomicName>
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<taxonomicNameLabel id="C3F26D5753632444078D219EB53AFD71" box="[713,806,666,692]" pageId="8" pageNumber="61" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="EA0A0C3E5363244405D321B9B723FD12" blockId="8.[151,806,666,727]" box="[151,319,701,727]" pageId="8" pageNumber="61">
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<figureCitation id="728E10BB5363244405D321B9B723FD12" box="[151,319,701,727]" captionStart-0="FIGURES 26 – 36" captionStart-1="FIGURES 37 – 42" captionStart-2="FIGURES 43 – 50" captionStartId-0="9.[151,269,1668,1692]" captionStartId-1="10.[151,270,1135,1159]" captionStartId-2="11.[151,269,1784,1808]" captionTargetBox-0="[220,1382,191,1632]" captionTargetBox-1="[190,1397,194,1095]" captionTargetBox-2="[244,1367,202,1755]" captionTargetId-0="figure@9.[198,1392,178,1641]" captionTargetId-1="figure@10.[186,1403,167,1106]" captionTargetId-2="figure@11.[188,1398,172,1757]" captionTargetPageId-0="9" captionTargetPageId-1="10" captionTargetPageId-2="11" captionText-0="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." captionText-1="FIGURES 37 – 42. Poecilochaetus perequensis sp. nov. Paratype. 37. parapodium 19, anterior view; 38. parapodium 30; 39. parapodium 49; 40. parapodium 63; 41. pygidium, dorsal view; 42. holotype pygidium. All chaetae omitted. All parapodia in anterior view. Scales 37 – 41. 0.2 mm; 42. 0.1 mm." captionText-2="FIGURES 43 – 50. Poecilochaetus perequensis sp. nov. Paratypes. 43. neuropodial hooks from chaetiger 2; 44 a. transitionary aristate chaeta from chaetiger 20, 44 b. detail; 45 a. fully formed aristate chaeta from chaetiger 63, lateral view, 45 b. detail; 46. aristate chaeta from chaetiger 35, frontal view; 47. notopodial hook from chaetiger 63; 48. notopodial hooks from chaetiger 71; 49. slender notopodial spine from posterior chaetiger; 50. neuropodial spines from chaetiger 80. Scales 43, 44 a, 45 a, 47 – 50.100 µm; 44 b, 45 b, 46.50 µm." httpUri-0="https://zenodo.org/record/182528/files/figure.png" httpUri-1="https://zenodo.org/record/182529/files/figure.png" httpUri-2="https://zenodo.org/record/182530/files/figure.png" pageId="8" pageNumber="61">Figures 26–50</figureCitation>
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="A2AF5FB55363244405D32003B7A2FBFF" pageId="8" pageNumber="61" type="materials_examined">
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<paragraph id="EA0A0C3E5363244405D32003B456FC07" blockId="8.[151,1437,775,2002]" pageId="8" pageNumber="61">
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<emphasis id="D8C1D02C5363244405D32003B78CFCE4" bold="true" box="[151,400,775,801]" pageId="8" pageNumber="61">Material examined.</emphasis>
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Just northwest of where Perequê Creek enters Paranaguá Bay, Paraná (
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<geoCoordinate id="8F816AF953632444004A200CB384FCE7" box="[1294,1432,775,802]" direction="south" orientation="latitude" pageId="8" pageNumber="61" precision="9" value="-25.563833">25°33.83’S</geoCoordinate>
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,
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<geoCoordinate id="8F816AF95363244405D32034B730FC8F" box="[151,300,815,842]" direction="west" orientation="longitude" pageId="8" pageNumber="61" precision="9" value="-48.3555">48°21.33’W</geoCoordinate>
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); muddy sand and standing water at mid-tide level.
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<typeStatus id="350EB29C5363244406C22034B5EFFC8F" box="[902,1011,816,842]" pageId="8" pageNumber="61" type="holotype">Holotype</typeStatus>
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(
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<collectionCode id="8CA494FB5363244401452034B241FC8F" box="[1025,1117,816,842]" pageId="8" pageNumber="61">MCEM</collectionCode>
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1292) 1 dissected
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<typeStatus id="350EB29C5363244400732034B380FC8F" box="[1335,1436,816,842]" pageId="8" pageNumber="61" type="paratype">paratype</typeStatus>
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(
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<collectionCode id="8CA494FB5363244405DB205CB6E7FCB7" box="[159,251,856,882]" pageId="8" pageNumber="61">MCEM</collectionCode>
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1293), 1
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<typeStatus id="350EB29C536324440439205CB7FEFCB7" box="[381,482,856,882]" pageId="8" pageNumber="61" type="paratype">paratype</typeStatus>
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(
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<collectionCode id="8CA494FB5363244404B3205CB44FFCB7" box="[503,595,856,882]" pageId="8" pageNumber="61">MCEM</collectionCode>
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1294), 1 dissected
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<typeStatus id="350EB29C53632444060A205CB5AFFCB7" box="[846,947,856,882]" pageId="8" pageNumber="61" type="paratype">paratype</typeStatus>
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(
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<collectionCode id="8CA494FB53632444068C205CB20BFCB7" box="[968,1047,856,882]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="8" pageNumber="61">NMW</collectionCode>
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.Z.1998.082.0009), 19
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<typeStatus id="350EB29C536324440068205CB380FCB7" box="[1324,1436,856,882]" pageId="8" pageNumber="61" type="paratype">paratypes</typeStatus>
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(
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<collectionCode id="8CA494FB5363244405DB2084B6F1FC5F" box="[159,237,896,922]" httpUri="http://grbio.org/cool/c7yt-hh77" name="Naturhistorisches Museum, Wien" pageId="8" pageNumber="61">NMW</collectionCode>
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.Z.1998.082.0010–0014), 2
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<typeStatus id="350EB29C5363244407742084B4BCFC5F" box="[560,672,896,922]" pageId="8" pageNumber="61" type="paratype">paratypes</typeStatus>
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(
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<collectionCode id="8CA494FB5363244407EA2084B514FC5F" box="[686,776,896,922]" pageId="8" pageNumber="61">BMNH</collectionCode>
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2008.157–2008.158), 1
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<typeStatus id="350EB29C5363244401622084B297FC5F" box="[1062,1163,896,922]" pageId="8" pageNumber="61" type="paratype">paratype</typeStatus>
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(ZMUC-POL-1953), 1
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<typeStatus id="350EB29C5363244405D320ACB6E0FC07" box="[151,252,936,962]" pageId="8" pageNumber="61" type="paratype">paratype</typeStatus>
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(LACM-AHF
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<collectionCode id="8CA494FB5363244404E920ACB7EBFC07" box="[429,503,936,962]" pageId="8" pageNumber="61">POLY</collectionCode>
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2195).
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</paragraph>
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<paragraph id="EA0A0C3E53632444058220CBB7A2FBFF" blockId="8.[151,1437,775,2002]" pageId="8" pageNumber="61">
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<emphasis id="D8C1D02C53632444058220CBB415FC2C" bold="true" box="[198,521,975,1001]" pageId="8" pageNumber="61">Other material examined.</emphasis>
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Mouth of Maciel River, Paranaguá Bay, silty sand,
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<quantity id="2D4DA1DB53632444012320D4B2BAFC2F" box="[1127,1190,976,1002]" metricMagnitude="1" metricUnit="m" metricValue="1.5" pageId="8" pageNumber="61" unit="m" value="15.0">15 m</quantity>
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, (VIR 9802),
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<specimenCount id="FCB3C7B753632444000C20D4B6FDFBD7" pageId="8" pageNumber="61" type="generic">3 specimens</specimenCount>
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; Gamboa do Maciel,
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<specimenCount id="FCB3C7B753632444049820FCB47DFBD7" box="[476,609,1016,1042]" pageId="8" pageNumber="61" type="generic">1 specimen</specimenCount>
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(C. Santos);
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<collectingCountry id="92A24CAE5363244407B820FCB536FBD7" box="[764,810,1016,1042]" name="Iceland" pageId="8" pageNumber="61">Ilha</collectingCountry>
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das Cobras (
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<geoCoordinate id="8F816AF953632444068620FCB222FBD7" box="[962,1086,1016,1042]" direction="south" orientation="latitude" pageId="8" pageNumber="61" precision="92" value="-25.481667">25°28.9' S</geoCoordinate>
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,
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<geoCoordinate id="8F816AF953632444010F20FCB2CFFBD7" box="[1099,1235,1016,1042]" direction="west" orientation="longitude" pageId="8" pageNumber="61" precision="92" value="-48.433334">48°26.0' W</geoCoordinate>
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), silty sand,
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<quantity id="2D4DA1DB53632444002320FCB38BFBD7" box="[1383,1431,1016,1042]" metricMagnitude="0" metricUnit="m" metricValue="4.0" pageId="8" pageNumber="61" unit="m" value="4.0">4 m</quantity>
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,
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<specimenCount id="FCB3C7B75363244405D32724B73BFBFF" box="[151,295,1056,1082]" pageId="8" pageNumber="61" type="generic">4 specimens</specimenCount>
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(VIR 9796).
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</paragraph>
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</subSubSection>
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<subSubSection id="A2AF5FB55363244005822743B77FF90F" lastPageId="12" lastPageNumber="65" pageId="8" pageNumber="61" type="description">
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<paragraph id="EA0A0C3E5363244405822743B27AFAC7" blockId="8.[151,1437,775,2002]" pageId="8" pageNumber="61">
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<emphasis id="D8C1D02C5363244405822743B743FBA4" bold="true" box="[198,351,1095,1121]" pageId="8" pageNumber="61">Description.</emphasis>
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<typeStatus id="350EB29C53632444042E274CB7CBFBA7" box="[362,471,1096,1122]" pageId="8" pageNumber="61" type="holotype">Holotype</typeStatus>
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entire with 106 chaetigers,
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<quantity id="2D4DA1DB536324440676274CB595FBA7" box="[818,905,1096,1122]" metricMagnitude="-2" metricUnit="m" metricValue="3.6" pageId="8" pageNumber="61" unit="mm" value="36.0">36 mm</quantity>
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long and 1.40 mm wide from tip to tip of ampullaceous parapodia. Dissected
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<typeStatus id="350EB29C53632444077B2774B4B8FB4F" box="[575,676,1136,1162]" pageId="8" pageNumber="61" type="paratype">paratype</typeStatus>
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||
(MCEM 1293) entire with 90 chaetigers,
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<quantity id="2D4DA1DB5363244401D82774B2ECFB4F" box="[1180,1264,1136,1162]" metricMagnitude="-2" metricUnit="m" metricValue="2.3" pageId="8" pageNumber="61" unit="mm" value="23.0">23 mm</quantity>
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long and 1.25 mm wide. Second dissected
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<typeStatus id="350EB29C5363244404A6279CB45BFB77" box="[482,583,1176,1202]" pageId="8" pageNumber="61" type="paratype">paratype</typeStatus>
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||
(NMW.Z.1998.032.0009) entire (now in 2 pieces) with 95 chaetigers,
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||
<quantity id="2D4DA1DB53632444003B279CB6D9FB1F" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="8" pageNumber="61" unit="mm" value="25.0">25 mm</quantity>
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||
long and 1.20 mm wide. Other
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<typeStatus id="350EB29C53632444072027C4B4C8FB1F" box="[612,724,1216,1242]" pageId="8" pageNumber="61" type="paratype">paratypes</typeStatus>
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||
(1.0-1.7 mm wide), mostly fragmented; largest complete
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<typeStatus id="350EB29C5363244405D327ECB6E0FAC7" box="[151,252,1256,1282]" pageId="8" pageNumber="61" type="paratype">paratype</typeStatus>
|
||
(NMW.Z.1998.032.0014) 106 chaetigers,
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||
<quantity id="2D4DA1DB5363244407AB27ECB55DFAC7" box="[751,833,1256,1282]" metricMagnitude="-2" metricUnit="m" metricValue="4.1" pageId="8" pageNumber="61" unit="mm" value="41.0">41 mm</quantity>
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||
long and 1.65 mm wide.
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||
</paragraph>
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<paragraph id="EA0A0C3E5363244405822614B4F3FA67" blockId="8.[151,1437,775,2002]" pageId="8" pageNumber="61">
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||
Prostomium small, rounded pyramidal, longer than wide, anterior margin concave or straight; positioned between notopodia of chaetiger 1 (
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||
<figureCitation id="728E10BB536324440775263CB4B5FA97" box="[561,681,1336,1362]" captionStart="FIGURES 26 – 36" captionStartId="9.[151,269,1668,1692]" captionTargetBox="[220,1382,191,1632]" captionTargetId="figure@9.[198,1392,178,1641]" captionTargetPageId="9" captionText="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="8" pageNumber="61">Figure 26</figureCitation>
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||
). Two pairs of small subdermal dark brown to black eyes; anterior pair round to reniform on short flat frontal part of prostomium, other pair smaller and round to bar-shaped, set closer together on posterior base of domed part.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E53632444058226B4B517F8CF" blockId="8.[151,1437,775,2002]" pageId="8" pageNumber="61">
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||
Peristomium small, collar-like, surrounding prostomium laterally and giving rise to 3 nuchal lobes posteriorly (
|
||
<figureCitation id="728E10BB5363244405A226DCB740FA37" box="[230,348,1496,1522]" captionStart="FIGURES 26 – 36" captionStartId="9.[151,269,1668,1692]" captionTargetBox="[220,1382,191,1632]" captionTargetId="figure@9.[198,1392,178,1641]" captionTargetPageId="9" captionText="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="8" pageNumber="61">Figure 26</figureCitation>
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). Median lobe longer, of moderate length, reaching up to chaetiger 4 or 5. Lateral lobes short, divergent, basally fused to median, reaching chaetiger 2 or 3. Anteriorly grooved palps, long, tapering, reaching chaetiger 30–35; short basal part expanded, overlapping posterior dome of prostomium. Margins of palp groove adorned with dense papillae of two
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<typeStatus id="350EB29C5363244407D82554B4C1F9AF" box="[668,733,1616,1642]" pageId="8" pageNumber="61">types</typeStatus>
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, long slender cirriform (25–75 µm long) and shorter (7–15 µm), cirriform to clavate, forms. Cirriform papillae often distally narrowed, with short digitiform tips. Lateral surfaces of palps longitudinally with 3 sparse rows of long cirriform papillae; rows irregular and, in distal regions, increasingly positioned toward abfrontal surfaces. Long, blunt cylindrical facial tubercle from upper margin of mouth, just below prostomium (
|
||
<figureCitation id="728E10BB5363244407C325F4B4E2F8CF" box="[647,766,1776,1802]" captionStart="FIGURES 26 – 36" captionStartId="9.[151,269,1668,1692]" captionTargetBox="[220,1382,191,1632]" captionTargetId="figure@9.[198,1392,178,1641]" captionTargetPageId="9" captionText="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="8" pageNumber="61">Figure 26</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E536324440582241CB444F817" blockId="8.[151,1437,775,2002]" pageId="8" pageNumber="61">
|
||
Ventral surfaces of chaetigers 1 and 2, and margins of mouth, covered with tiny pale yellow, rounded tubercles. Parapodial faces of anterior chaetigers with some sparsely distributed and barely visible tubercles appearing, as for other body surfaces, smooth (under zoom microscopy,
|
||
<date id="9E0B2AFE5363244406A7246CB208F847" box="[995,1044,1896,1922]" pageId="8" pageNumber="61" value="1940-10">x40</date>
|
||
). Ventrolateral surfaces of chaetigers 6 and 7 slightly tuberculate. Obtuse triangular chitinous plate on posterior dorsum of chaetiger 9; pale straw to light reddish brown in colour.
|
||
</paragraph>
|
||
<caption id="BECA5CB65362244505D32580B418F8C6" httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="9" pageNumber="62" targetBox="[220,1382,191,1632]" targetPageId="9">
|
||
<paragraph id="EA0A0C3E5362244505D32580B418F8C6" blockId="9.[151,1437,1668,1795]" pageId="9" pageNumber="62">
|
||
<emphasis id="D8C1D02C5362244505D32580B77FF959" bold="true" box="[151,355,1668,1692]" pageId="9" pageNumber="62">FIGURES 26–36.</emphasis>
|
||
<taxonomicName id="2DB577BD53622445042A2580B487F95E" box="[366,667,1668,1691]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="9" pageNumber="62" phylum="Annelida" rank="species" species="perequensis" status="sp. nov.">
|
||
<emphasis id="D8C1D02C53622445042A2580B487F95E" box="[366,667,1668,1691]" italics="true" pageId="9" pageNumber="62">Poecilochaetus perequensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="C3F26D575362244507EC2580B4E3F95E" box="[680,767,1668,1691]" pageId="9" pageNumber="62" rank="species">sp. nov.</taxonomicNameLabel>
|
||
Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27–36. 0.2 mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="BECA5CB65361244605D3276BB533FB0E" httpUri="https://zenodo.org/record/182529/files/figure.png" pageId="10" pageNumber="63" targetBox="[190,1397,194,1095]" targetPageId="10">
|
||
<paragraph id="EA0A0C3E5361244605D3276BB533FB0E" blockId="10.[151,1436,1135,1227]" pageId="10" pageNumber="63">
|
||
<emphasis id="D8C1D02C5361244605D3276BB742FB42" bold="true" box="[151,350,1135,1159]" pageId="10" pageNumber="63">FIGURES 37–42.</emphasis>
|
||
<taxonomicName id="2DB577BD536124460420276BB491FB43" box="[356,653,1135,1158]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="10" pageNumber="63" phylum="Annelida" rank="species" species="perequensis" status="sp. nov.">
|
||
<emphasis id="D8C1D02C536124460420276BB491FB43" box="[356,653,1135,1158]" italics="true" pageId="10" pageNumber="63">Poecilochaetus perequensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="C3F26D575361244607D0276BB4F9FB43" box="[660,741,1135,1158]" pageId="10" pageNumber="63" rank="species">sp. nov.</taxonomicNameLabel>
|
||
Paratype. 37. parapodium 19, anterior view; 38. parapodium 30; 39. parapodium 49; 40. parapodium 63; 41. pygidium, dorsal view; 42. holotype pygidium. All chaetae omitted. All parapodia in anterior view. Scales 37–41. 0.2 mm; 42. 0.1mm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="EA0A0C3E5361244605822623B764FA24" blockId="10.[151,1437,1319,1985]" pageId="10" pageNumber="63">
|
||
Chaetiger 1 large, directed forwards; neuropodial postchaetal lobes long, cirriform, notopodial lobes short, triangular (
|
||
<figureCitation id="728E10BB53612446042E264BB7F9FAAC" box="[362,485,1359,1385]" captionStart="FIGURES 26 – 36" captionStartId="9.[151,269,1668,1692]" captionTargetBox="[220,1382,191,1632]" captionTargetId="figure@9.[198,1392,178,1641]" captionTargetPageId="9" captionText="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="10" pageNumber="63">Figure 27</figureCitation>
|
||
). Neuropodial postchaetal lobes of chaetigers 2–6 short (
|
||
<figureCitation id="728E10BB5361244601E7264BB349FAAC" box="[1187,1365,1359,1385]" captionStart="FIGURES 26 – 36" captionStartId="9.[151,269,1668,1692]" captionTargetBox="[220,1382,191,1632]" captionTargetId="figure@9.[198,1392,178,1641]" captionTargetPageId="9" captionText="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="10" pageNumber="63">Figures 28–31</figureCitation>
|
||
), lanceolate; longest on chaetiger 2 (
|
||
<figureCitation id="728E10BB53612446074C2673B461FA54" box="[520,637,1399,1425]" captionStart="FIGURES 26 – 36" captionStartId="9.[151,269,1668,1692]" captionTargetBox="[220,1382,191,1632]" captionTargetId="figure@9.[198,1392,178,1641]" captionTargetPageId="9" captionText="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="10" pageNumber="63">Figure 28</figureCitation>
|
||
), shortest on chaetigers 4–6 (
|
||
<figureCitation id="728E10BB5361244606942673B265FA54" box="[976,1145,1399,1425]" captionStart="FIGURES 26 – 36" captionStartId="9.[151,269,1668,1692]" captionTargetBox="[220,1382,191,1632]" captionTargetId="figure@9.[198,1392,178,1641]" captionTargetPageId="9" captionText="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="10" pageNumber="63">Figures 30-31</figureCitation>
|
||
). Notopodial postchaetal lobes on chaetigers 3, 4 and 6 of similar size and shape to respective neuropodial lobes, those of chaetigers 2 and 5 much longer.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E53612446058226EBB554F9F4" blockId="10.[151,1437,1319,1985]" pageId="10" pageNumber="63">
|
||
Ampullaceous postchaetal lobes on chaetigers 7–13 (
|
||
<figureCitation id="728E10BB53612446060526EBB5EFF9CC" box="[833,1011,1519,1545]" captionStart="FIGURES 26 – 36" captionStartId="9.[151,269,1668,1692]" captionTargetBox="[220,1382,191,1632]" captionTargetId="figure@9.[198,1392,178,1641]" captionTargetPageId="9" captionText="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="10" pageNumber="63">Figures 32–35</figureCitation>
|
||
). Wide basal parts of ampullaceous lobes glandular, distal parts smooth and slightly iridescent.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E536124460582253BB500F96C" blockId="10.[151,1437,1319,1985]" pageId="10" pageNumber="63">
|
||
Postchaetal lobes on chaetiger 14 (
|
||
<figureCitation id="728E10BB53612446071E253BB4D3F99C" box="[602,719,1599,1625]" captionStart="FIGURES 26 – 36" captionStartId="9.[151,269,1668,1692]" captionTargetBox="[220,1382,191,1632]" captionTargetId="figure@9.[198,1392,178,1641]" captionTargetPageId="9" captionText="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="10" pageNumber="63">Figure 36</figureCitation>
|
||
) similar to those on chaetiger 6. Thereafter, postchaetal lobes of both rami become narrower and shorter (
|
||
<figureCitation id="728E10BB5361244607E62563B54FF944" box="[674,851,1639,1665]" captionStart="FIGURES 37 – 42" captionStartId="10.[151,270,1135,1159]" captionTargetBox="[190,1397,194,1095]" captionTargetId="figure@10.[186,1403,167,1106]" captionTargetPageId="10" captionText="FIGURES 37 – 42. Poecilochaetus perequensis sp. nov. Paratype. 37. parapodium 19, anterior view; 38. parapodium 30; 39. parapodium 49; 40. parapodium 63; 41. pygidium, dorsal view; 42. holotype pygidium. All chaetae omitted. All parapodia in anterior view. Scales 37 – 41. 0.2 mm; 42. 0.1 mm." httpUri="https://zenodo.org/record/182529/files/figure.png" pageId="10" pageNumber="63">Figures 37–40</figureCitation>
|
||
). In posterior region, postchaetal lobes cirriform; notopodial lobes slightly longer than neuropodial ones.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E53612446058225B3B733F8B4" blockId="10.[151,1437,1319,1985]" pageId="10" pageNumber="63">
|
||
Interramal cup-like sensory papillae, with distal tufts of cilia, on chaetigers 1–5 (
|
||
<figureCitation id="728E10BB5361244601C425B3B332F914" box="[1152,1326,1719,1745]" captionStart="FIGURES 26 – 36" captionStartId="9.[151,269,1668,1692]" captionTargetBox="[220,1382,191,1632]" captionTargetId="figure@9.[198,1392,178,1641]" captionTargetPageId="9" captionText="FIGURES 26 – 36. Poecilochaetus perequensis sp. nov. Paratype. 26. anterior end, dorsal view, palps omitted; 27. parapodium 1; 28. parapodium 2; 29. parapodium 3; 30. parapodium 5; 31. parapodium 6; 32. parapodium 8; 33. parapodium 11; 34. parapodium 12; 35. parapodium 13; 36. parapodium 14. All chaetae omitted. All parapodia in anterior view. Scales. 26. 1 mm; 27 – 36. 0.2 mm." httpUri="https://zenodo.org/record/182528/files/figure.png" pageId="10" pageNumber="63">Figures 27–30</figureCitation>
|
||
) and 10– 15 (degree of protrusion variable after chaetiger 10), lacking on chaetigers 6–9. On following segments, sensory organs sessile, evident only as single projecting tufts of cilia (
|
||
<figureCitation id="728E10BB5361244606E72403B205F8E4" box="[931,1049,1799,1825]" captionStart="FIGURES 37 – 42" captionStartId="10.[151,270,1135,1159]" captionTargetBox="[190,1397,194,1095]" captionTargetId="figure@10.[186,1403,167,1106]" captionTargetPageId="10" captionText="FIGURES 37 – 42. Poecilochaetus perequensis sp. nov. Paratype. 37. parapodium 19, anterior view; 38. parapodium 30; 39. parapodium 49; 40. parapodium 63; 41. pygidium, dorsal view; 42. holotype pygidium. All chaetae omitted. All parapodia in anterior view. Scales 37 – 41. 0.2 mm; 42. 0.1 mm." httpUri="https://zenodo.org/record/182529/files/figure.png" pageId="10" pageNumber="63">Figure 39</figureCitation>
|
||
). In posterior region (from about chaetiger 70–80), sensory organs again projecting as low cilia-bearing papillae. Interramal cirri absent. Branchiae absent.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E536124460582247BB35CF804" blockId="10.[151,1437,1319,1985]" pageId="10" pageNumber="63">
|
||
Pygidium with small terminal anus and three ventral anal cirri; longer paired cirri arising just above short unpaired one, latter sometimes bifurcate (
|
||
<figureCitation id="728E10BB53612446073924A3B530F804" box="[637,812,1959,1985]" captionStart="FIGURES 37 – 42" captionStartId="10.[151,270,1135,1159]" captionTargetBox="[190,1397,194,1095]" captionTargetId="figure@10.[186,1403,167,1106]" captionTargetPageId="10" captionText="FIGURES 37 – 42. Poecilochaetus perequensis sp. nov. Paratype. 37. parapodium 19, anterior view; 38. parapodium 30; 39. parapodium 49; 40. parapodium 63; 41. pygidium, dorsal view; 42. holotype pygidium. All chaetae omitted. All parapodia in anterior view. Scales 37 – 41. 0.2 mm; 42. 0.1 mm." httpUri="https://zenodo.org/record/182529/files/figure.png" pageId="10" pageNumber="63">Figures 41, 42</figureCitation>
|
||
). Length ratio of superior to inferior cirri 2:1.
|
||
</paragraph>
|
||
<caption id="BECA5CB65360244705D325FCB513F85F" httpUri="https://zenodo.org/record/182530/files/figure.png" pageId="11" pageNumber="64" targetBox="[244,1367,202,1755]" targetPageId="11">
|
||
<paragraph id="EA0A0C3E5360244705D325FCB513F85F" blockId="11.[151,1436,1784,1946]" pageId="11" pageNumber="64">
|
||
<emphasis id="D8C1D02C5360244705D325FCB743F8D5" bold="true" box="[151,351,1784,1808]" pageId="11" pageNumber="64">FIGURES 43–50.</emphasis>
|
||
<taxonomicName id="2DB577BD53602447042225FCB493F8CA" box="[358,655,1784,1807]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="11" pageNumber="64" phylum="Annelida" rank="species" species="perequensis" status="sp. nov.">
|
||
<emphasis id="D8C1D02C53602447042225FCB493F8CA" box="[358,655,1784,1807]" italics="true" pageId="11" pageNumber="64">Poecilochaetus perequensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="C3F26D575360244707D325FCB4F7F8CA" box="[663,747,1784,1807]" pageId="11" pageNumber="64" rank="species">sp. nov.</taxonomicNameLabel>
|
||
Paratypes. 43. neuropodial hooks from chaetiger 2; 44a. transitionary aristate chaeta from chaetiger 20, 44b. detail; 45a. fully formed aristate chaeta from chaetiger 63, lateral view, 45b. detail; 46. aristate chaeta from chaetiger 35, frontal view; 47. notopodial hook from chaetiger 63; 48. notopodial hooks from chaetiger 71; 49. slender notopodial spine from posterior chaetiger; 50. neuropodial spines from chaetiger 80. Scales 43, 44a, 45a, 47–50.100 µm; 44b,45b,46.50 µm.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="EA0A0C3E536724400582239CB781FDDF" blockId="12.[151,1437,152,2018]" pageId="12" pageNumber="65">
|
||
Chaetiger 1 with long, slender capillaries, arranged fan-like in both rami, forming cephalic cage; notochaetae longer. Notopodial capillaries smooth (viewed at x400 magnification), slightly hirsute (at
|
||
<date id="9E0B2AFE5367244001B823C4B357FF1F" box="[1276,1355,192,218]" pageId="12" pageNumber="65" value="1000-10">x1000</date>
|
||
). Most neuropodial capillaries of chaetiger 1 appear distinctly annulated where concentric rings of fine hairs occur; transverse annulations on other neurochaetae and notochaetae indistinct. Neuropodia of chaetigers 2 and 3 with 4-5 hirsute falcate hooks (
|
||
<figureCitation id="728E10BB536724400742223CB461FE97" box="[518,637,312,338]" captionStart="FIGURES 43 – 50" captionStartId="11.[151,269,1784,1808]" captionTargetBox="[244,1367,202,1755]" captionTargetId="figure@11.[188,1398,172,1757]" captionTargetPageId="11" captionText="FIGURES 43 – 50. Poecilochaetus perequensis sp. nov. Paratypes. 43. neuropodial hooks from chaetiger 2; 44 a. transitionary aristate chaeta from chaetiger 20, 44 b. detail; 45 a. fully formed aristate chaeta from chaetiger 63, lateral view, 45 b. detail; 46. aristate chaeta from chaetiger 35, frontal view; 47. notopodial hook from chaetiger 63; 48. notopodial hooks from chaetiger 71; 49. slender notopodial spine from posterior chaetiger; 50. neuropodial spines from chaetiger 80. Scales 43, 44 a, 45 a, 47 – 50.100 µm; 44 b, 45 b, 46.50 µm." httpUri="https://zenodo.org/record/182530/files/figure.png" pageId="12" pageNumber="65">Figure 43</figureCitation>
|
||
). Several short slender capillaries (3–4) superior to emergent hooks in both chaetigers; single, partially formed, hooks seen embedded below bases of capillaries. Notopodia of same chaetigers with, slender capillaries; these and neuropodial ones smooth or with barely visible hairs (
|
||
<date id="9E0B2AFE5367244005DB22B4B6F2FE0F" box="[159,238,432,458]" pageId="12" pageNumber="65" value="1000-10">x1000</date>
|
||
). Following 2 chaetigers with capillaries only, some obviously hirsute (x400). Spinose chaetae appear in superior part of notopodia from chaetiger 6 (occasionally 5) and in inferior part of neuropodia from chaetiger 7 (occasionally 8).
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E536724400582212CB553FC47" blockId="12.[151,1437,152,2018]" pageId="12" pageNumber="65">
|
||
Chaetae markedly different from chaetiger 17 (one from 18); long, plumose capillaries appear superiorly and inferiorly in both rami, and larger, sympodial spinose chaetae replace earlier spinose chaetae. In addition, 6–8 robust, heavily hirsute, capillaries with plumose tips project from small conical parapodia. These robust capillaries completely replaced by aristate chaetae over following 2–3 chaetigers and intermediate forms can occur (
|
||
<figureCitation id="728E10BB5367244005AE21CCB77FFD27" box="[234,355,712,738]" captionStart="FIGURES 43 – 50" captionStartId="11.[151,269,1784,1808]" captionTargetBox="[244,1367,202,1755]" captionTargetId="figure@11.[188,1398,172,1757]" captionTargetPageId="11" captionText="FIGURES 43 – 50. Poecilochaetus perequensis sp. nov. Paratypes. 43. neuropodial hooks from chaetiger 2; 44 a. transitionary aristate chaeta from chaetiger 20, 44 b. detail; 45 a. fully formed aristate chaeta from chaetiger 63, lateral view, 45 b. detail; 46. aristate chaeta from chaetiger 35, frontal view; 47. notopodial hook from chaetiger 63; 48. notopodial hooks from chaetiger 71; 49. slender notopodial spine from posterior chaetiger; 50. neuropodial spines from chaetiger 80. Scales 43, 44 a, 45 a, 47 – 50.100 µm; 44 b, 45 b, 46.50 µm." httpUri="https://zenodo.org/record/182530/files/figure.png" pageId="12" pageNumber="65">Figure 44</figureCitation>
|
||
a, b); aristate chaetae generally numerous from chaetiger 19. Fully formed aristate chaeta (
|
||
<figureCitation id="728E10BB5367244005DB21F4B704FCCF" box="[159,280,752,778]" captionStart="FIGURES 43 – 50" captionStartId="11.[151,269,1784,1808]" captionTargetBox="[244,1367,202,1755]" captionTargetId="figure@11.[188,1398,172,1757]" captionTargetPageId="11" captionText="FIGURES 43 – 50. Poecilochaetus perequensis sp. nov. Paratypes. 43. neuropodial hooks from chaetiger 2; 44 a. transitionary aristate chaeta from chaetiger 20, 44 b. detail; 45 a. fully formed aristate chaeta from chaetiger 63, lateral view, 45 b. detail; 46. aristate chaeta from chaetiger 35, frontal view; 47. notopodial hook from chaetiger 63; 48. notopodial hooks from chaetiger 71; 49. slender notopodial spine from posterior chaetiger; 50. neuropodial spines from chaetiger 80. Scales 43, 44 a, 45 a, 47 – 50.100 µm; 44 b, 45 b, 46.50 µm." httpUri="https://zenodo.org/record/182530/files/figure.png" pageId="12" pageNumber="65">Figure 45</figureCitation>
|
||
a, b) with truncate hook-like tufted knob at base of plumose arista (arista easily detached). A ‘beard’ of long hairs occurs below knob, where chaetal shaft narrows. In frontal view, knob appears as rounded button above a narrowing shaft and below long plumose arista (
|
||
<figureCitation id="728E10BB5367244006AD2044B27EFC9F" box="[1001,1122,832,858]" captionStart="FIGURES 43 – 50" captionStartId="11.[151,269,1784,1808]" captionTargetBox="[244,1367,202,1755]" captionTargetId="figure@11.[188,1398,172,1757]" captionTargetPageId="11" captionText="FIGURES 43 – 50. Poecilochaetus perequensis sp. nov. Paratypes. 43. neuropodial hooks from chaetiger 2; 44 a. transitionary aristate chaeta from chaetiger 20, 44 b. detail; 45 a. fully formed aristate chaeta from chaetiger 63, lateral view, 45 b. detail; 46. aristate chaeta from chaetiger 35, frontal view; 47. notopodial hook from chaetiger 63; 48. notopodial hooks from chaetiger 71; 49. slender notopodial spine from posterior chaetiger; 50. neuropodial spines from chaetiger 80. Scales 43, 44 a, 45 a, 47 – 50.100 µm; 44 b, 45 b, 46.50 µm." httpUri="https://zenodo.org/record/182530/files/figure.png" pageId="12" pageNumber="65">Figure 46</figureCitation>
|
||
). Initially 7–8 aristate chaetae in each ramus, decreasing to
|
||
<quantity id="2D4DA1DB536724400765206CB470FC47" box="[545,620,872,898]" metricMagnitude="-1" metricUnit="m" metricValue="1.651" metricValueMax="1.778" metricValueMin="1.524" pageId="12" pageNumber="65" unit="in" value="6.5" valueMax="7.0" valueMin="6.0">6–7 in</quantity>
|
||
median chaetigers.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E5367244005822094B309FB2F" blockId="12.[151,1437,152,2018]" pageId="12" pageNumber="65">
|
||
In posterior third of body (around chaetigers 60–70 on larger specimens), dorsalmost two aristate chaetae in notopodia gradually transition into slightly sigmoidal spines with gently curved tips, some almost straight; uppermost spine thinnest (
|
||
<figureCitation id="728E10BB53672440049120E4B497FC3F" box="[469,651,992,1018]" captionStart="FIGURES 43 – 50" captionStartId="11.[151,269,1784,1808]" captionTargetBox="[244,1367,202,1755]" captionTargetId="figure@11.[188,1398,172,1757]" captionTargetPageId="11" captionText="FIGURES 43 – 50. Poecilochaetus perequensis sp. nov. Paratypes. 43. neuropodial hooks from chaetiger 2; 44 a. transitionary aristate chaeta from chaetiger 20, 44 b. detail; 45 a. fully formed aristate chaeta from chaetiger 63, lateral view, 45 b. detail; 46. aristate chaeta from chaetiger 35, frontal view; 47. notopodial hook from chaetiger 63; 48. notopodial hooks from chaetiger 71; 49. slender notopodial spine from posterior chaetiger; 50. neuropodial spines from chaetiger 80. Scales 43, 44 a, 45 a, 47 – 50.100 µm; 44 b, 45 b, 46.50 µm." httpUri="https://zenodo.org/record/182530/files/figure.png" pageId="12" pageNumber="65">Figures 47, 48</figureCitation>
|
||
). Notopodial spines accompanied by 5 aristate, 3 sympodial and small number of plumose chaetae. Corresponding neuropodia with 6–7 aristate, 4–5 sympodial, and more abundant plumose chaetae. In following segments (around chaetigers 75–80) notopodial spines increase to 4– 5 per notopodium, and other chaetae become less numerous—comprising 2–3 aristate and 2 sympodial chaetae accompanied inferiorly by sparse bundle of smooth capillaries. Any remaining plumose chaetae increasingly denuded of long hairs. Neuropodia with 5–7 aristate and 3–4 sympodial chaetae; plumose chaetae becoming progressively smoother with only 4–5 inferior chaetae retaining some sparse long hairs.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E53672440058227FCB787F9BF" blockId="12.[151,1437,152,2018]" pageId="12" pageNumber="65">
|
||
In posterior sixth of body (from about chaetiger 80-85), aristate chaetae and sympodial chaetae decrease to only 1 per notopodium, accompanied by 5–6 smooth capillaries. Neuropodia with 2–3 aristate, 1–2 sympodial and 4–5 smooth capillary chaetae. Sparsely haired plumose chaetae rare in both rami. Robust sigmoidal notopodial spines accompanied by small posterior row of slender, smooth needle-like, spines with slightly curved tips (
|
||
<figureCitation id="728E10BB536724400462269CB786FA77" box="[294,410,1432,1458]" captionStart="FIGURES 43 – 50" captionStartId="11.[151,269,1784,1808]" captionTargetBox="[244,1367,202,1755]" captionTargetId="figure@11.[188,1398,172,1757]" captionTargetPageId="11" captionText="FIGURES 43 – 50. Poecilochaetus perequensis sp. nov. Paratypes. 43. neuropodial hooks from chaetiger 2; 44 a. transitionary aristate chaeta from chaetiger 20, 44 b. detail; 45 a. fully formed aristate chaeta from chaetiger 63, lateral view, 45 b. detail; 46. aristate chaeta from chaetiger 35, frontal view; 47. notopodial hook from chaetiger 63; 48. notopodial hooks from chaetiger 71; 49. slender notopodial spine from posterior chaetiger; 50. neuropodial spines from chaetiger 80. Scales 43, 44 a, 45 a, 47 – 50.100 µm; 44 b, 45 b, 46.50 µm." httpUri="https://zenodo.org/record/182530/files/figure.png" pageId="12" pageNumber="65">Figure 49</figureCitation>
|
||
) from about chaetiger 75–80; initially 4–5 slender spines, later increasing to about
|
||
<quantity id="2D4DA1DB536724400025269CB380FA77" box="[1377,1436,1432,1458]" metricMagnitude="-1" metricUnit="m" metricValue="3.048" pageId="12" pageNumber="65" unit="in" value="12.0">12 in</quantity>
|
||
bundle. Number of sigmoidal spines increases to 6 or 7 on posteriormost chaetigers; aristate and sympodial chaetae absent. Neuropodia from about chaetiger 80–85 also with spines; initially 2 ventral spines, increasing to
|
||
<quantity id="2D4DA1DB5367244005F32514B6FAF9EF" box="[183,230,1552,1578]" metricMagnitude="-1" metricUnit="m" metricValue="1.016" pageId="12" pageNumber="65" unit="in" value="4.0">4 in</quantity>
|
||
number, accompanying 4–5 smooth capillaries and 2 (decreasing to 0) aristate chaetae. Neuropodial spines very similar to robust sigmoidal notopodial spines (
|
||
<figureCitation id="728E10BB536724400601253CB5A0F997" box="[837,956,1592,1618]" captionStart="FIGURES 43 – 50" captionStartId="11.[151,269,1784,1808]" captionTargetBox="[244,1367,202,1755]" captionTargetId="figure@11.[188,1398,172,1757]" captionTargetPageId="11" captionText="FIGURES 43 – 50. Poecilochaetus perequensis sp. nov. Paratypes. 43. neuropodial hooks from chaetiger 2; 44 a. transitionary aristate chaeta from chaetiger 20, 44 b. detail; 45 a. fully formed aristate chaeta from chaetiger 63, lateral view, 45 b. detail; 46. aristate chaeta from chaetiger 35, frontal view; 47. notopodial hook from chaetiger 63; 48. notopodial hooks from chaetiger 71; 49. slender notopodial spine from posterior chaetiger; 50. neuropodial spines from chaetiger 80. Scales 43, 44 a, 45 a, 47 – 50.100 µm; 44 b, 45 b, 46.50 µm." httpUri="https://zenodo.org/record/182530/files/figure.png" pageId="12" pageNumber="65">Figure 50</figureCitation>
|
||
), but maximally only a little thicker than superiormost of these.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E5367244005822583B77FF90F" blockId="12.[151,1437,152,2018]" pageId="12" pageNumber="65">
|
||
<emphasis id="D8C1D02C5367244005822583B73FF964" bold="true" box="[198,291,1671,1697]" pageId="12" pageNumber="65">Colour.</emphasis>
|
||
In life, anterior orange-red and yellow, median and posterior regions brown. Preserved specimens in alcohol, white.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="A2AF5FB553672440058225D3B71AF857" pageId="12" pageNumber="65" type="etymology">
|
||
<paragraph id="EA0A0C3E53672440058225D3B46CF887" blockId="12.[151,1437,152,2018]" pageId="12" pageNumber="65">
|
||
<emphasis id="D8C1D02C53672440058225D3B74FF934" bold="true" box="[198,339,1751,1777]" pageId="12" pageNumber="65">Etymology.</emphasis>
|
||
The specific name "
|
||
<taxonomicName id="2DB577BD53672440070B25DCB4FCF937" box="[591,736,1752,1778]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="65" phylum="Annelida" rank="species" species="perequensis">perequensis</taxonomicName>
|
||
" refers to the name of the creek near the
|
||
<typeStatus id="350EB29C5367244001A125DCB304F937" box="[1253,1304,1752,1778]" pageId="12" pageNumber="65">type</typeStatus>
|
||
locality in Paranaguá Bay. "Perequê" comes from the indigenous language Tupy-guarany, and means the entrance of a place for feeding and breeding of fishes.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E536724400582244BB71AF857" blockId="12.[151,1437,152,2018]" pageId="12" pageNumber="65">
|
||
<emphasis id="D8C1D02C536724400582244BB743F8AC" bold="true" box="[198,351,1871,1897]" pageId="12" pageNumber="65">Occurrence.</emphasis>
|
||
Muddy sand, intertidal flat and shallow sublittoral (to
|
||
<quantity id="2D4DA1DB5367244006A52454B201F8AF" box="[993,1053,1872,1898]" metricMagnitude="1" metricUnit="m" metricValue="1.5" pageId="12" pageNumber="65" unit="m" value="15.0">15 m</quantity>
|
||
) Paranaguá Bay, southeast coast of
|
||
<collectingCountry id="92A24CAE5367244005F2247CB71EF857" box="[182,258,1912,1938]" name="Brazil" pageId="12" pageNumber="65">Brazil</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="A2AF5FB5536724410582249BB269FBB7" lastPageId="13" lastPageNumber="66" pageId="12" pageNumber="65" type="discussion">
|
||
<paragraph id="EA0A0C3E536724410582249BB2EEFDAF" blockId="12.[151,1437,152,2018]" lastBlockId="13.[151,1436,152,1138]" lastPageId="13" lastPageNumber="66" pageId="12" pageNumber="65">
|
||
<emphasis id="D8C1D02C536724400582249BB75CF87C" bold="true" box="[198,320,1951,1977]" pageId="12" pageNumber="65">Remarks.</emphasis>
|
||
<taxonomicName id="2DB577BD53672440040324A4B490F87C" box="[327,652,1952,1977]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="65" phylum="Annelida" rank="species" species="perequensis" status="sp. nov.">
|
||
<emphasis id="D8C1D02C53672440040324A4B490F87C" box="[327,652,1952,1977]" italics="true" pageId="12" pageNumber="65">Poecilochaetus perequensis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="C3F26D575367244007D024A4B4F1F87C" box="[660,749,1952,1978]" pageId="12" pageNumber="65" rank="species">sp. nov.</taxonomicNameLabel>
|
||
resembles
|
||
<taxonomicName id="2DB577BD53672440063524A4B287F87F" authority="Nonato, 1963" authorityName="Nonato" authorityYear="1963" box="[881,1179,1952,1978]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="12" pageNumber="65" phylum="Annelida" rank="species" species="australis">
|
||
<emphasis id="D8C1D02C53672440063524A4B5E9F87C" box="[881,1013,1952,1977]" italics="true" pageId="12" pageNumber="65">P. australis</emphasis>
|
||
<bibRefCitation id="8E2471CF5367244006B824A4B287F87F" author="Nonato" box="[1020,1179,1952,1978]" pageId="12" pageNumber="68" refString="Nonato, E. (1963) Poecilochaetus australis sp. nov. (Annelida, Polychaeta). Neotropica, 9 (28), 17 - 26." type="journal article" year="1963">Nonato, 1963</bibRefCitation>
|
||
</taxonomicName>
|
||
, the only species previously reported to Brazilian coast, in the presence of aristate chaetae and ampullaceous postchaetal lobe on chaetigers 7–13. However,
|
||
<taxonomicName id="2DB577BD53662441049F239CB498FF74" box="[475,644,152,177]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="perequensis">
|
||
<emphasis id="D8C1D02C53662441049F239CB498FF74" box="[475,644,152,177]" italics="true" pageId="13" pageNumber="66">P. perequensis</emphasis>
|
||
</taxonomicName>
|
||
differs markedly in having both large and slender, smooth, curved spines in posterior notopodia, rather than only slender barbed ones. In addition, the lobes of the nuchal organ are more similar in length in
|
||
<emphasis id="D8C1D02C5366244104B423ECB4BCFEC4" box="[496,672,232,257]" italics="true" pageId="13" pageNumber="66">
|
||
<taxonomicName id="2DB577BD5366244104B423ECB480FEC4" box="[496,668,232,257]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="perequensis">P. perequensis</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
In
|
||
<taxonomicName id="2DB577BD53662441078C23ECB551FEC4" box="[712,845,232,257]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="australis">
|
||
<emphasis id="D8C1D02C53662441078C23ECB551FEC4" box="[712,845,232,257]" italics="true" pageId="13" pageNumber="66">P. australis</emphasis>
|
||
</taxonomicName>
|
||
they are more disparate, the median nuchal organ reaching to chaetiger 10, while the lateral ones are vestigial. The aristate chaetae are quite different in the 2 species. Aristate chaetae in
|
||
<taxonomicName id="2DB577BD5366244104A0223CB492FE94" box="[484,654,312,337]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="perequensis">
|
||
<emphasis id="D8C1D02C5366244104A0223CB492FE94" box="[484,654,312,337]" italics="true" pageId="13" pageNumber="66">P. perequensis</emphasis>
|
||
</taxonomicName>
|
||
have a lateral tufted hook-like projecting knob, surmounted by a plumose arista, as found in
|
||
<emphasis id="D8C1D02C5366244104932264B57DFEBC" box="[471,865,352,377]" italics="true" pageId="13" pageNumber="66">
|
||
<taxonomicName id="2DB577BD5366244104932264B4DCFEBC" box="[471,704,352,377]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="subSpecies" species="serpens" subSpecies="honiarae">P. serpens honiarae</taxonomicName>
|
||
,
|
||
<taxonomicName id="2DB577BD53662441078F2264B540FEBC" box="[715,860,352,377]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="trilobatus">P. trilobatus</taxonomicName>
|
||
,
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="2DB577BD5366244106DD2264B25EFEBC" box="[921,1090,352,377]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="koshikiensis">
|
||
<emphasis id="D8C1D02C5366244106DD2264B25EFEBC" box="[921,1090,352,377]" italics="true" pageId="13" pageNumber="66">P. koshikiensis</emphasis>
|
||
</taxonomicName>
|
||
. Should
|
||
<taxonomicName id="2DB577BD5366244101EF2264B759FE67" authority="Pilato & Cantone, 1976" authorityName="Pilato & Cantone" authorityYear="1976" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="gallardoi">
|
||
<emphasis id="D8C1D02C5366244101EF2264B32FFEBC" box="[1195,1331,352,377]" italics="true" pageId="13" pageNumber="66">P. gallardoi</emphasis>
|
||
<bibRefCitation id="8E2471CF53662441007E2264B759FE67" author="Pilato" pageId="13" pageNumber="68" refString="Pilato, G. & Cantone, G. (1976) Nuove specie di Poecilochaetus e considerazioni sulla famiglia dei Poecilochaetidae (Annelida: Polychaeta). Animalia, 3, 29 - 63." type="journal article" year="1976">Pilato & Cantone, 1976</bibRefCitation>
|
||
</taxonomicName>
|
||
prove to be the posterior end of
|
||
<taxonomicName id="2DB577BD536624410798228CB253FE67" authority="Gallardo, 1968" authorityName="Gallardo" authorityYear="1968" box="[732,1103,392,418]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="paratropicus">
|
||
<emphasis id="D8C1D02C536624410798228CB58EFE64" box="[732,914,392,417]" italics="true" pageId="13" pageNumber="66">P. paratropicus</emphasis>
|
||
<bibRefCitation id="8E2471CF5366244106D8228CB253FE67" author="Gallardo" box="[924,1103,392,418]" pageId="13" pageNumber="67" refString="Gallardo, V. A. (1968) Polychaeta from the Bay of Nha Trang, South Vietnam. Naga Report, 4, 35 - 279." type="journal article" year="1968">Gallardo, 1968</bibRefCitation>
|
||
</taxonomicName>
|
||
from
|
||
<collectingCountry id="92A24CAE5366244101D9228CB31CFE67" box="[1181,1280,392,418]" name="Vietnam" pageId="13" pageNumber="66">Vietnam</collectingCountry>
|
||
(see
|
||
<bibRefCitation id="8E2471CF536624410000228CB6CAFE0F" author="Mackie" pageId="13" pageNumber="68" refString="Mackie A. S. Y. (1990) The Poecilochaetidae and Trochochaetidae (Annelida: Polychaeta) of Hong Kong. In: Morton, B. (Ed), Proceedings of the Second International Marine Biological Workshop: The marine flora and fauna of Hong Kong and southern China. Hong Kong University Press, Hong Kong, pp. 337 - 362." type="book chapter" year="1990">Mackie 1990</bibRefCitation>
|
||
), then
|
||
<taxonomicName id="2DB577BD53662441046822B4B7F8FE0C" box="[300,484,432,457]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="paratropicus">
|
||
<emphasis id="D8C1D02C53662441046822B4B7F8FE0C" box="[300,484,432,457]" italics="true" pageId="13" pageNumber="66">P. paratropicus</emphasis>
|
||
</taxonomicName>
|
||
would possess this form of aristate chaeta too (see Table 1).
|
||
<bibRefCitation id="8E2471CF5366244101A022B4B6F9FE37" author="Eibye-Jacobsen" pageId="13" pageNumber="67" refString="Eibye-Jacobsen, D. (2006) A preliminary phylogenetic analysis of Poecilochaetidae (Annelida: Polychaeta) at the species level. Marine Ecology, 26 (2005), 171 - 180." type="journal article" year="2006">Eibye-Jacobsen (2006)</bibRefCitation>
|
||
identified
|
||
<taxonomicName id="2DB577BD53662441042322DCB400FE34" box="[359,540,472,497]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="paratropicus">
|
||
<emphasis id="D8C1D02C53662441042322DCB400FE34" box="[359,540,472,497]" italics="true" pageId="13" pageNumber="66">P. paratropicus</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<collectingCountry id="92A24CAE53662441072C22DCB4CCFE37" box="[616,720,472,498]" name="Thailand" pageId="13" pageNumber="66">Thailand</collectingCountry>
|
||
and coded the species as having a dorsal chitinous plate on chaetiger 9, and posterior notopodia with both curved hooks and straight (or weakly curved) spines. The first feature is a new observation, the second consistent with the synonymy of
|
||
<taxonomicName id="2DB577BD5366244106B8212CB29AFD84" box="[1020,1158,552,577]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="gallardoi">
|
||
<emphasis id="D8C1D02C5366244106B8212CB29AFD84" box="[1020,1158,552,577]" italics="true" pageId="13" pageNumber="66">P. gallardoi</emphasis>
|
||
</taxonomicName>
|
||
, however
|
||
<bibRefCitation id="8E2471CF536624410045212CB70FFDAF" author="Eibye-Jacobsen" pageId="13" pageNumber="67" refString="Eibye-Jacobsen, D. (2006) A preliminary phylogenetic analysis of Poecilochaetidae (Annelida: Polychaeta) at the species level. Marine Ecology, 26 (2005), 171 - 180." type="journal article" year="2006">Eibye-Jacobsen (2006)</bibRefCitation>
|
||
did not consider the presence or absence of aristate chaetae in his cladistic analyses.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E536624410582217CB6E1FC3F" blockId="13.[151,1436,152,1138]" pageId="13" pageNumber="66">
|
||
All 6 taxa, including (
|
||
<taxonomicName id="2DB577BD536624410496217CB460FD54" box="[466,636,632,657]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="perequensis">
|
||
<emphasis id="D8C1D02C536624410496217CB460FD54" box="[466,636,632,657]" italics="true" pageId="13" pageNumber="66">P. perequensis</emphasis>
|
||
</taxonomicName>
|
||
) have ampullaceous lobes on chaetigers 7–13, but the presence of branchiae readily distinguishes
|
||
<taxonomicName id="2DB577BD53662441074C21A4B461FD7C" box="[520,637,672,697]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="serpens">
|
||
<emphasis id="D8C1D02C53662441074C21A4B461FD7C" box="[520,637,672,697]" italics="true" pageId="13" pageNumber="66">P. serpens</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="2DB577BD5366244107C821A4B56FFD7C" box="[652,883,672,697]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="subSpecies" species="serpens" subSpecies="honiarae">
|
||
<emphasis id="D8C1D02C5366244107C821A4B56FFD7C" box="[652,883,672,697]" italics="true" pageId="13" pageNumber="66">P. serpens honiarae</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="2DB577BD5366244106EF21A4B226FD7C" box="[939,1082,672,697]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="trilobatus">
|
||
<emphasis id="D8C1D02C5366244106EF21A4B226FD7C" box="[939,1082,672,697]" italics="true" pageId="13" pageNumber="66">P. trilobatus</emphasis>
|
||
</taxonomicName>
|
||
from the others.
|
||
<taxonomicName id="2DB577BD53662441004521A4B7F9FD27" authority="Miura, 1988" authorityName="Miura" authorityYear="1988" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="koshikiensis">
|
||
<emphasis id="D8C1D02C53662441004521A4B752FD24" italics="true" pageId="13" pageNumber="66">Poecilochaetus koshikiensis</emphasis>
|
||
<bibRefCitation id="8E2471CF53662441041021CCB7F9FD27" author="Miura" box="[340,485,712,738]" pageId="13" pageNumber="68" refString="Miura, T. (1988) Poecilochaetus koshikiensis, a new polychaete species from Shimo-Koshiki Island, Japan. Proceedings of the Biological Society of Washington, 101, 671 - 675." type="journal article" year="1988">Miura, 1988</bibRefCitation>
|
||
</taxonomicName>
|
||
has reduced, discoid, lateral nuchal lobes—rather than the short (reaching chaetiger 2 or 3), medium (reaching chaetiger 4 or 5) or long (reaching chaetiger 6 or beyond) lobes of the other 5 taxa.
|
||
<taxonomicName id="2DB577BD53662441059C201CB403FCF4" box="[216,543,792,817]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="perequensis">
|
||
<emphasis id="D8C1D02C53662441059C201CB403FCF4" box="[216,543,792,817]" italics="true" pageId="13" pageNumber="66">Poecilochaetus perequensis</emphasis>
|
||
</taxonomicName>
|
||
appears closest to
|
||
<taxonomicName id="2DB577BD536624410640201CB5A6FCF4" box="[772,954,792,817]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="paratropicus">
|
||
<emphasis id="D8C1D02C536624410640201CB5A6FCF4" box="[772,954,792,817]" italics="true" pageId="13" pageNumber="66">P. paratropicus</emphasis>
|
||
</taxonomicName>
|
||
(including
|
||
<taxonomicName id="2DB577BD536624410100201CB2D3FCF4" box="[1092,1231,792,817]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="gallardoi">
|
||
<emphasis id="D8C1D02C536624410100201CB2D3FCF4" box="[1092,1231,792,817]" italics="true" pageId="13" pageNumber="66">P. gallardoi</emphasis>
|
||
</taxonomicName>
|
||
). Both have plumose chaetae from chaetiger 17, and posterior notopodial hooks and spines. Nevertheless, the two species are easily separated by the fact that the posterior notopodial hooks and spines are relatively slender in
|
||
<emphasis id="D8C1D02C536624410004206CB6F3FC6C" italics="true" pageId="13" pageNumber="66">P. p e re - quensis</emphasis>
|
||
compared to the robust forms found in
|
||
<taxonomicName id="2DB577BD5366244107A12094B581FC6C" box="[741,925,912,937]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="paratropicus">
|
||
<emphasis id="D8C1D02C5366244107A12094B581FC6C" box="[741,925,912,937]" italics="true" pageId="13" pageNumber="66">P. paratropicus</emphasis>
|
||
</taxonomicName>
|
||
. Furthermore, aristate chaetae are always present by chaetiger 19 (18-20) in
|
||
<taxonomicName id="2DB577BD53662441076D20BCB4CCFC14" box="[553,720,952,977]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="perequensis">
|
||
<emphasis id="D8C1D02C53662441076D20BCB4CCFC14" box="[553,720,952,977]" italics="true" pageId="13" pageNumber="66">P. perequensis</emphasis>
|
||
</taxonomicName>
|
||
, but are absent from at least the first 25 chaetigers in
|
||
<emphasis id="D8C1D02C53662441007A20BCB6EAFC3C" italics="true" pageId="13" pageNumber="66">
|
||
P. p a r a -
|
||
<taxonomicName id="2DB577BD5366244105D320E4B6EAFC3C" box="[151,246,992,1017]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="tropicus">tropicus</taxonomicName>
|
||
</emphasis>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="EA0A0C3E536624410582270CB269FBB7" blockId="13.[151,1436,152,1138]" pageId="13" pageNumber="66">
|
||
The distinctive sigmoidal notopodial hooks of
|
||
<taxonomicName id="2DB577BD5366244107AD270CB232FBE4" box="[745,1070,1032,1057]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="perequensis">
|
||
<emphasis id="D8C1D02C5366244107AD270CB232FBE4" box="[745,1070,1032,1057]" italics="true" pageId="13" pageNumber="66">Poecilochaetus perequensis</emphasis>
|
||
</taxonomicName>
|
||
are very similar to those found posteriorly in
|
||
<taxonomicName id="2DB577BD53662441047E2734B4FFFB8F" authority="Pilato & Cantone, 1976" authorityName="Pilato & Cantone" authorityYear="1976" box="[314,739,1072,1098]" class="Polychaeta" family="Poecilochaetidae" genus="Poecilochaetus" kingdom="Animalia" order="Spionida" pageId="13" pageNumber="66" phylum="Annelida" rank="species" species="fauchaldi">
|
||
<emphasis id="D8C1D02C53662441047E2734B7DAFB8C" box="[314,454,1072,1097]" italics="true" pageId="13" pageNumber="66">P. fauchaldi</emphasis>
|
||
<bibRefCitation id="8E2471CF5366244104882734B4FFFB8F" author="Pilato" box="[460,739,1072,1098]" pageId="13" pageNumber="68" refString="Pilato, G. & Cantone, G. (1976) Nuove specie di Poecilochaetus e considerazioni sulla famiglia dei Poecilochaetidae (Annelida: Polychaeta). Animalia, 3, 29 - 63." type="journal article" year="1976">Pilato & Cantone, 1976</bibRefCitation>
|
||
</taxonomicName>
|
||
. The Mediterranean species differs in having discoid lateral nuchal organs and robust posterior notopodial spines, and also lacks aristate chaetae.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |