395 lines
52 KiB
XML
395 lines
52 KiB
XML
<document id="3FD7D8AE190921FCF83309B4CB790420" ID-CLB-Dataset="27775" ID-DOI="10.11646/zootaxa.4531.3.6" ID-GBIF-Dataset="47ae76b8-1dbf-439e-9770-8c89c652f9ef" ID-ISSN="1175-5326" ID-Zenodo-Dep="2614762" ID-ZooBank="12D74C84-57B0-4383-954D-D559EDD42C84" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1553787137799" checkinUser="plazi" docAuthor="Mandal, Sumit & Deb, Soumya" docDate="2018" docId="1553BF46FF9EFF92F2C273BBFE8110E7" docLanguage="en" docName="zootaxa.4531.3.6.pdf" docOrigin="Zootaxa 4531 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Ancistrosyllis matlaensis Mandal & Deb 2018, n. sp." docType="treatment" docVersion="8" lastPageNumber="423" masterDocId="E96AC73EFF9DFF96F255732CFFCB1500" masterDocTitle="Ancistrosyllis matlaensis n. sp. (Polychaeta: Pilargidae) from the Sundarban Estuarine System, India" masterLastPageNumber="429" masterPageNumber="419" pageNumber="422" updateTime="1698714896090" updateUser="ExternalLinkService">
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<mods:title id="BC978A4F78AE6F095832BBDAA2AB58A7">Ancistrosyllis matlaensis n. sp. (Polychaeta: Pilargidae) from the Sundarban Estuarine System, India</mods:title>
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<mods:namePart id="0CD780D6DED4FD9690CA386FE8F8D73C">Mandal, Sumit</mods:namePart>
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<mods:roleTerm id="F772072CF308A9577993E44669476573">Author</mods:roleTerm>
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<mods:namePart id="B8F4D2D597C9B0642124B93D3CE33EBC">Deb, Soumya</mods:namePart>
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<mods:typeOfResource id="C6A14E1BF3AE2512FB3F77600E75B9B4">text</mods:typeOfResource>
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<mods:title id="6A30BD324C9A0B14BC9B36E05C065A2C">Zootaxa</mods:title>
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<mods:part id="CF37716B83350208AF28516F661C1585">
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<mods:date id="CBF13986171EE4A90982BF3DDE10B228">2018</mods:date>
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<mods:number id="37FC8C80448D2DE09A1B66AE1EC11A82">2018-12-13</mods:number>
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<mods:number id="7DFBE025B68B32075F324EC816586E66">4531</mods:number>
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<treatment id="1553BF46FF9EFF92F2C273BBFE8110E7" ID-DOI="http://doi.org/10.5281/zenodo.6488420" ID-GBIF-Taxon="154520931" ID-Zenodo-Dep="6488420" LSID="urn:lsid:plazi:treatment:1553BF46FF9EFF92F2C273BBFE8110E7" httpUri="http://treatment.plazi.org/id/1553BF46FF9EFF92F2C273BBFE8110E7" lastPageId="4" lastPageNumber="423" pageId="3" pageNumber="422">
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<subSubSection id="D5E05DDBFF9EFF95F2C273BBFDC015B2" box="[151,523,151,178]" pageId="3" pageNumber="422" type="nomenclature">
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<paragraph id="9D450E50FF9EFF95F2C273BBFDC015B2" blockId="3.[151,523,151,211]" box="[151,523,151,178]" pageId="3" pageNumber="422">
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<heading id="C60DB93CFF9EFF95F2C273BBFDC015B2" bold="true" box="[151,523,151,178]" fontSize="11" level="1" pageId="3" pageNumber="422" reason="1">
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<emphasis id="AF8ED242FF9EFF95F2C273BBFDC015B2" bold="true" box="[151,523,151,178]" pageId="3" pageNumber="422">
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<taxonomicName id="5AFA75D3FF9EFF95F2C273BBFE0915B1" ID-CoL="DMWT" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[151,450,151,177]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="3" pageNumber="422" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
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<emphasis id="AF8ED242FF9EFF95F2C273BBFE0915B1" bold="true" box="[151,450,151,177]" italics="true" pageId="3" pageNumber="422">Ancistrosyllis matlaensis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="B4BD6F39FF9EFF95F39C73B4FDC015B2" box="[457,523,152,178]" pageId="3" pageNumber="422" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="D5E05DDBFF9EFF95F2C27396FEC015D3" box="[151,267,186,211]" pageId="3" pageNumber="422" type="description">
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<paragraph id="9D450E50FF9EFF95F2C27396FEC015D3" blockId="3.[151,523,151,211]" box="[151,267,186,211]" pageId="3" pageNumber="422">
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(
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<figureCitation id="05C112D5FF9EFF95F2CA7396FEC815D3" box="[159,259,186,211]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStart-2="FIGURE 4" captionStartId-0="3.[151,250,1711,1733]" captionStartId-1="7.[151,250,1864,1886]" captionStartId-2="8.[151,250,1160,1182]" captionTargetBox-0="[151,1435,775,1689]" captionTargetBox-1="[184,1432,204,1836]" captionTargetBox-2="[150,1435,193,1139]" captionTargetId-0="figure@3.[151,1436,773,1689]" captionTargetId-1="figure@7.[151,1436,195,1842]" captionTargetId-2="figure@8.[150,1436,193,1139]" captionTargetPageId-0="3" captionTargetPageId-1="7" captionTargetPageId-2="8" captionText-0="FIGURE 2. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323 a) Anterior end, dorsal view; b) anterior end with palps and antennae, ventral view; c) pharynx with denticles; d) Posterior end, dorsal view showing anal cirri (enlarged, papillated). (scales: a, 60 µm; b, d, 30 µm; c, 10 µm) (dc—dorsal cirri, vc—ventral cirri, la—lateral antennae, tc—tentacular cirri, dndenticles, ac—anal cirri)." captionText-1="FIGURE 3. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323 a) Anterior end, ventral view; b) paratype PUZ-357 anterior end, ventral view showing the dorsal hook from chaetiger 7; c) paratype PUZ-357 neuropodia with non limbate neurochaetae d) holotype PUZ- 323 sabre-like neurosetae with curved serrated cutting edges and bidented tips (scales: a, 60 µm; b, 100 µm; c, 50 µm; d, 5 µm) (la—lateral antennae, tc—tentacular cirri, nh—notopodial hook, dc—dorsal cirri, vc—ventral cirri, ncneurochaete)." captionText-2="FIGURE 4. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323. a) dorsal hooks and non limbate capillary chaetae; b) neurosetae with dorsal hook; c) neuropodia with non limbate neurochaetae; d) sabre-like neurochaetae with small hooked tip (scales: a, 25 µm; b, c, 15 µm; d, 5 µm) (nh—notopodial hook, nc—neurochaeta)." httpUri-0="https://zenodo.org/record/2614766/files/figure.png" httpUri-1="https://zenodo.org/record/2614768/files/figure.png" httpUri-2="https://zenodo.org/record/2614770/files/figure.png" pageId="3" pageNumber="422">Figs 2–4</figureCitation>
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)
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</paragraph>
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</subSubSection>
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<subSubSection id="D5E05DDBFF9EFF95F2C2722EFCAD14AB" pageId="3" pageNumber="422" type="materials_examined">
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<paragraph id="9D450E50FF9EFF95F2C2722EFE6E1463" blockId="3.[151,1437,258,721]" pageId="3" pageNumber="422">
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<emphasis id="AF8ED242FF9EFF95F2C2722EFE4A141B" bold="true" box="[151,385,258,283]" pageId="3" pageNumber="422">Material examined.</emphasis>
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Holotype- PUZ-323, (Length
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<quantity id="5A02A3B5FF9EFF95F082722FFCE2141A" box="[727,809,259,283]" metricMagnitude="-2" metricUnit="m" metricValue="4.8" pageId="3" pageNumber="422" unit="mm" value="48.0">48 mm</quantity>
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; width
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<quantity id="5A02A3B5FF9EFF95F129722EFC1E141A" box="[892,981,258,283]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="3" pageNumber="422" unit="mm" value="0.6">0.6 mm</quantity>
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; 80 chaetigers): collected from Station 3 (
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<geoCoordinate id="F8CE6897FF9EFF95F2CA720AFE8E143E" box="[159,325,294,319]" direction="north" orientation="latitude" pageId="3" pageNumber="422" precision="1" value="21.838028">21°50'16.9" N</geoCoordinate>
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,
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<geoCoordinate id="F8CE6897FF9EFF95F307720BFE39143F" box="[338,498,295,319]" direction="east" orientation="longitude" pageId="3" pageNumber="422" precision="1" value="88.658806">88°39'31.7" E</geoCoordinate>
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) in Matla river in Sundarban Estuarine System,
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<collectingCountry id="E5ED4EC0FF9EFF95F674720AFB90143F" box="[1057,1115,294,319]" name="India" pageId="3" pageNumber="422">India</collectingCountry>
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from
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<quantity id="5A02A3B5FF9EFF95F6F1720BFB1A143E" box="[1188,1233,295,319]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="3" pageNumber="422" unit="m" value="2.0">2 m</quantity>
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depth, silty-sand, during
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<date id="E9442890FF9EFF95F2B27266FE691463" box="[231,418,330,355]" pageId="3" pageNumber="422" value="2016-09">September 2016</date>
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.
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</paragraph>
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<paragraph id="9D450E50FF9EFF95F2927243FCAD14AB" blockId="3.[151,1437,258,721]" pageId="3" pageNumber="422">
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Paratypes-
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<specimenCount id="8BFCC5D9FF9EFF95F31F7243FE111487" box="[330,474,366,391]" pageId="3" pageNumber="422" type="generic">2 specimens</specimenCount>
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PUZ-357 and PUZ-358 from station number 4 (
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||
<geoCoordinate id="F8CE6897FF9EFF95F6727243FB141486" box="[1063,1247,367,391]" direction="north" orientation="latitude" pageId="3" pageNumber="422" precision="1" value="21.79288">21°47'34.37" N</geoCoordinate>
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,
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||
<geoCoordinate id="F8CE6897FF9EFF95F6A57243FA5F1487" box="[1264,1428,367,391]" direction="east" orientation="longitude" pageId="3" pageNumber="422" precision="1" value="88.65028">88°39'1.02" E</geoCoordinate>
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) collected
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<date id="E9442890FF9EFF95F35672BEFE1A14AB" box="[259,465,402,427]" pageId="3" pageNumber="422" value="2016-12-01">December 2016, 1</date>
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PUZ-359, collected
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<date id="E9442890FF9EFF95F0EF72BEFCA914AB" box="[698,866,402,427]" pageId="3" pageNumber="422" value="2017-02">February 2017</date>
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.
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="D5E05DDBFF9EFF95F292729AFB6D171D" pageId="3" pageNumber="422" type="diagnosis">
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<paragraph id="9D450E50FF9EFF95F292729AFB6D171D" blockId="3.[151,1437,258,721]" pageId="3" pageNumber="422">
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<emphasis id="AF8ED242FF9EFF95F292729AFE8A14CF" bold="true" box="[199,321,438,463]" pageId="3" pageNumber="422">Diagnosis.</emphasis>
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<taxonomicName id="5AFA75D3FF9EFF95F31E729AFDAE14CE" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[331,613,438,462]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="3" pageNumber="422" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
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<emphasis id="AF8ED242FF9EFF95F31E729AFDAE14CE" box="[331,613,438,462]" italics="true" pageId="3" pageNumber="422">Ancistrosyllis matlaensis</emphasis>
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</taxonomicName>
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<emphasis id="AF8ED242FF9EFF95F03A729AFD7A14CF" bold="true" box="[623,689,438,463]" pageId="3" pageNumber="422">
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<taxonomicNameLabel id="B4BD6F39FF9EFF95F03A729AFD7A14CF" box="[623,689,438,463]" pageId="3" pageNumber="422" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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is characterized by the absence of eyes, presence of two lateral antennae and absence of median antennae. Dorsal cirri from 1
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<superScript id="6A8FA318FF9EFF95F12072F5FCB414E7" attach="left" box="[885,895,473,487]" fontSize="6" pageId="3" pageNumber="422">st</superScript>
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chaetiger and ventral cirri from 2
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<superScript id="6A8FA318FF9EFF95F74072F5FAEE14E7" attach="left" box="[1301,1317,473,487]" fontSize="6" pageId="3" pageNumber="422">nd</superScript>
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chaetiger. Notopodial hook from 7
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<superScript id="6A8FA318FF9EFF95F3F3712CFE79170E" attach="left" box="[422,434,512,526]" fontSize="6" pageId="3" pageNumber="422">th</superScript>
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chaetiger; notopodia reduced and neuropodia truncate and straight.
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</paragraph>
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</subSubSection>
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<subSubSection id="D5E05DDBFF9EFF92F2927104FF781464" lastPageId="4" lastPageNumber="423" pageId="3" pageNumber="422" type="description">
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<paragraph id="9D450E50FF9EFF95F2927104FDD717D1" blockId="3.[151,1437,258,721]" pageId="3" pageNumber="422">
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<emphasis id="AF8ED242FF9EFF95F2927104FD9A1741" bold="true" box="[199,593,552,577]" pageId="3" pageNumber="422">
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Description (based on
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<typeStatus id="4241B0F2FF9EFF95F3817104FD8F1741" box="[468,580,552,577]" pageId="3" pageNumber="422" type="holotype">Holotype</typeStatus>
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).
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</emphasis>
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Specimen complete, with 80 segments and
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<quantity id="5A02A3B5FF9EFF95F6147104FB5B1740" box="[1089,1168,552,576]" metricMagnitude="-2" metricUnit="m" metricValue="4.8" pageId="3" pageNumber="422" unit="mm" value="48.0">48 mm</quantity>
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long and
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||
<quantity id="5A02A3B5FF9EFF95F7547104FA9C1740" box="[1281,1367,552,577]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="3" pageNumber="422" unit="mm" value="0.6">0.6 mm</quantity>
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wide. Body creamy white, depressed, tapered anteriorly (
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<figureCitation id="05C112D5FF9EFF95F0BF7160FC8F1765" box="[746,836,588,613]" captionStart="FIGURE 2" captionStartId="3.[151,250,1711,1733]" captionTargetBox="[151,1435,775,1689]" captionTargetId="figure@3.[151,1436,773,1689]" captionTargetPageId="3" captionText="FIGURE 2. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323 a) Anterior end, dorsal view; b) anterior end with palps and antennae, ventral view; c) pharynx with denticles; d) Posterior end, dorsal view showing anal cirri (enlarged, papillated). (scales: a, 60 µm; b, d, 30 µm; c, 10 µm) (dc—dorsal cirri, vc—ventral cirri, la—lateral antennae, tc—tentacular cirri, dndenticles, ac—anal cirri)." httpUri="https://zenodo.org/record/2614766/files/figure.png" pageId="3" pageNumber="422">Figs 2a</figureCitation>
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,
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<figureCitation id="05C112D5FF9EFF95F1067161FCBB1765" box="[851,880,589,613]" captionStart="FIGURE 3" captionStartId="7.[151,250,1864,1886]" captionTargetBox="[184,1432,204,1836]" captionTargetId="figure@7.[151,1436,195,1842]" captionTargetPageId="7" captionText="FIGURE 3. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323 a) Anterior end, ventral view; b) paratype PUZ-357 anterior end, ventral view showing the dorsal hook from chaetiger 7; c) paratype PUZ-357 neuropodia with non limbate neurochaetae d) holotype PUZ- 323 sabre-like neurosetae with curved serrated cutting edges and bidented tips (scales: a, 60 µm; b, 100 µm; c, 50 µm; d, 5 µm) (la—lateral antennae, tc—tentacular cirri, nh—notopodial hook, dc—dorsal cirri, vc—ventral cirri, ncneurochaete)." httpUri="https://zenodo.org/record/2614768/files/figure.png" pageId="3" pageNumber="422">3a</figureCitation>
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). Prostomium broad, with two lateral antennae, median antennae absent. Eyes absent. Palps biarticulate, divergent; palpophores comparatively larger than palpostyles (
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<figureCitation id="05C112D5FF9EFF95F37C71B8FE4917AD" box="[297,386,660,685]" captionStart="FIGURE 2" captionStartId="3.[151,250,1711,1733]" captionTargetBox="[151,1435,775,1689]" captionTargetId="figure@3.[151,1436,773,1689]" captionTargetPageId="3" captionText="FIGURE 2. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323 a) Anterior end, dorsal view; b) anterior end with palps and antennae, ventral view; c) pharynx with denticles; d) Posterior end, dorsal view showing anal cirri (enlarged, papillated). (scales: a, 60 µm; b, d, 30 µm; c, 10 µm) (dc—dorsal cirri, vc—ventral cirri, la—lateral antennae, tc—tentacular cirri, dndenticles, ac—anal cirri)." httpUri="https://zenodo.org/record/2614766/files/figure.png" pageId="3" pageNumber="422">Fig. 2b</figureCitation>
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). Pharynx globular, soft, unarmed, with denticles (
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<figureCitation id="05C112D5FF9EFF95F18971B8FBFA17AD" box="[988,1073,660,685]" captionStart="FIGURE 2" captionStartId="3.[151,250,1711,1733]" captionTargetBox="[151,1435,775,1689]" captionTargetId="figure@3.[151,1436,773,1689]" captionTargetPageId="3" captionText="FIGURE 2. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323 a) Anterior end, dorsal view; b) anterior end with palps and antennae, ventral view; c) pharynx with denticles; d) Posterior end, dorsal view showing anal cirri (enlarged, papillated). (scales: a, 60 µm; b, d, 30 µm; c, 10 µm) (dc—dorsal cirri, vc—ventral cirri, la—lateral antennae, tc—tentacular cirri, dndenticles, ac—anal cirri)." httpUri="https://zenodo.org/record/2614766/files/figure.png" pageId="3" pageNumber="422">Fig. 2c</figureCitation>
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) and marginal papillae absent. Peristomium fused to prostomium.
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</paragraph>
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<caption id="C9855ED8FF9EFF95F2C27583FE5C1221" httpUri="https://zenodo.org/record/2614766/files/figure.png" pageId="3" pageNumber="422" startId="3.[151,250,1711,1733]" targetBox="[151,1435,775,1689]" targetPageId="3">
|
||
<paragraph id="9D450E50FF9EFF95F2C27583FE5C1221" blockId="3.[151,1437,1711,1825]" pageId="3" pageNumber="422">
|
||
<emphasis id="AF8ED242FF9EFF95F2C27583FEDF13C4" bold="true" box="[151,276,1711,1733]" pageId="3" pageNumber="422">FIGURE 2.</emphasis>
|
||
<taxonomicName id="5AFA75D3FF9EFF95F3497583FDD213C5" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[284,537,1711,1733]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="3" pageNumber="422" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF9EFF95F3497583FDD213C5" box="[284,537,1711,1733]" italics="true" pageId="3" pageNumber="422">Ancistrosyllis matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF9EFF95F0747583FD9713C4" bold="true" box="[545,604,1711,1732]" pageId="3" pageNumber="422">
|
||
<taxonomicNameLabel id="B4BD6F39FF9EFF95F0747583FD9713C4" box="[545,604,1711,1732]" pageId="3" pageNumber="422" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
holotype PUZ- 323 a) Anterior end, dorsal view; b) anterior end with palps and antennae, ventral view; c) pharynx with denticles; d) Posterior end, dorsal view showing anal cirri (enlarged, papillated). (scales: a, 60 µm; b, d, 30 µm; c, 10 µm) (dc—dorsal cirri, vc—ventral cirri, la—lateral antennae, tc—tentacular cirri, dndenticles, ac—anal cirri).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="9D450E50FF9EFF92F2927464FF7E15F8" blockId="3.[151,1436,1864,2003]" lastBlockId="4.[151,1437,151,1511]" lastPageId="4" lastPageNumber="423" pageId="3" pageNumber="422">
|
||
Parapodia poorly developed, ovoid, truncate and papillose. Cirri present on all parapodia. Two pairs of tentacular cirri, conical, papillose and inserted laterally. Dorsal cirri present from 1
|
||
<superScript id="6A8FA318FF9EFF95F6007447FB941279" attach="left" box="[1109,1119,1899,1913]" fontSize="6" pageId="3" pageNumber="422">st</superScript>
|
||
chaetiger, ovoid, papillose, papillae minute and quadrate, slightly longer than subsequent ones. Neuropodia truncate and straight, dorsal cirri smaller than ventral ones in segments which bears both of them (i.e. from 2
|
||
<superScript id="6A8FA318FF9EFF95F641749AFBEF12C4" attach="left" box="[1044,1060,1974,1988]" fontSize="6" pageId="3" pageNumber="422">nd</superScript>
|
||
segment onwards). Notochaetae present from chaetiger 7; a large hook above dorsal cirrus resembling barbless fish hook (
|
||
<figureCitation id="05C112D5FF99FF92F6D573BBFB2515B0" box="[1152,1262,151,176]" captionStart="FIGURE 4" captionStartId="8.[151,250,1160,1182]" captionTargetBox="[150,1435,193,1139]" captionTargetId="figure@8.[150,1436,193,1139]" captionTargetPageId="8" captionText="FIGURE 4. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323. a) dorsal hooks and non limbate capillary chaetae; b) neurosetae with dorsal hook; c) neuropodia with non limbate neurochaetae; d) sabre-like neurochaetae with small hooked tip (scales: a, 25 µm; b, c, 15 µm; d, 5 µm) (nh—notopodial hook, nc—neurochaeta)." httpUri="https://zenodo.org/record/2614770/files/figure.png" pageId="4" pageNumber="423">Fig. 4a, b</figureCitation>
|
||
). Neurochaetae sabre shaped, with bent falcate bidentate tips (
|
||
<figureCitation id="05C112D5FF99FF92F0F57390FD3815D5" box="[672,755,188,213]" captionStart="FIGURE 3" captionStartId="7.[151,250,1864,1886]" captionTargetBox="[184,1432,204,1836]" captionTargetId="figure@7.[151,1436,195,1842]" captionTargetPageId="7" captionText="FIGURE 3. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323 a) Anterior end, ventral view; b) paratype PUZ-357 anterior end, ventral view showing the dorsal hook from chaetiger 7; c) paratype PUZ-357 neuropodia with non limbate neurochaetae d) holotype PUZ- 323 sabre-like neurosetae with curved serrated cutting edges and bidented tips (scales: a, 60 µm; b, 100 µm; c, 50 µm; d, 5 µm) (la—lateral antennae, tc—tentacular cirri, nh—notopodial hook, dc—dorsal cirri, vc—ventral cirri, ncneurochaete)." httpUri="https://zenodo.org/record/2614768/files/figure.png" pageId="4" pageNumber="423">Fig. 3d</figureCitation>
|
||
), smaller neurochaetae with minute serrated blades (
|
||
<figureCitation id="05C112D5FF99FF92F7137390FF6315F8" captionStart="FIGURE 4" captionStartId="8.[151,250,1160,1182]" captionTargetBox="[150,1435,193,1139]" captionTargetId="figure@8.[150,1436,193,1139]" captionTargetPageId="8" captionText="FIGURE 4. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323. a) dorsal hooks and non limbate capillary chaetae; b) neurosetae with dorsal hook; c) neuropodia with non limbate neurochaetae; d) sabre-like neurochaetae with small hooked tip (scales: a, 25 µm; b, c, 15 µm; d, 5 µm) (nh—notopodial hook, nc—neurochaeta)." httpUri="https://zenodo.org/record/2614770/files/figure.png" pageId="4" pageNumber="423">Fig. 4c, d</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="9D450E50FF99FF92F2927228FAFC141D" blockId="4.[151,1437,151,1511]" box="[199,1335,260,285]" pageId="4" pageNumber="423">
|
||
Pygidium bilobed with two lateral digitate anal cirri, covered with minute quadrate papillae (
|
||
<figureCitation id="05C112D5FF99FF92F6837228FAE1141D" box="[1238,1322,260,285]" captionStart="FIGURE 2" captionStartId="3.[151,250,1711,1733]" captionTargetBox="[151,1435,775,1689]" captionTargetId="figure@3.[151,1436,773,1689]" captionTargetPageId="3" captionText="FIGURE 2. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323 a) Anterior end, dorsal view; b) anterior end with palps and antennae, ventral view; c) pharynx with denticles; d) Posterior end, dorsal view showing anal cirri (enlarged, papillated). (scales: a, 60 µm; b, d, 30 µm; c, 10 µm) (dc—dorsal cirri, vc—ventral cirri, la—lateral antennae, tc—tentacular cirri, dndenticles, ac—anal cirri)." httpUri="https://zenodo.org/record/2614766/files/figure.png" pageId="4" pageNumber="423">Fig. 2d</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="9D450E50FF99FF92F292720BFF781464" blockId="4.[151,1437,151,1511]" pageId="4" pageNumber="423">
|
||
<emphasis id="AF8ED242FF99FF92F292720BFE141440" bold="true" box="[199,479,295,320]" pageId="4" pageNumber="423">
|
||
Variations in
|
||
<typeStatus id="4241B0F2FF99FF92F332720BFE141440" box="[359,479,295,320]" pageId="4" pageNumber="423" type="paratype">Paratypes</typeStatus>
|
||
</emphasis>
|
||
: except for minor variation in size they are entirely identical to the
|
||
<typeStatus id="4241B0F2FF99FF92F686720BFAFE1440" box="[1235,1333,295,320]" pageId="4" pageNumber="423" type="holotype">holotype</typeStatus>
|
||
(
|
||
<figureCitation id="05C112D5FF99FF92F711720BFF6D1464" captionStart="FIGURE 3" captionStartId="7.[151,250,1864,1886]" captionTargetBox="[184,1432,204,1836]" captionTargetId="figure@7.[151,1436,195,1842]" captionTargetPageId="7" captionText="FIGURE 3. Ancistrosyllis matlaensis n. sp. holotype PUZ- 323 a) Anterior end, ventral view; b) paratype PUZ-357 anterior end, ventral view showing the dorsal hook from chaetiger 7; c) paratype PUZ-357 neuropodia with non limbate neurochaetae d) holotype PUZ- 323 sabre-like neurosetae with curved serrated cutting edges and bidented tips (scales: a, 60 µm; b, 100 µm; c, 50 µm; d, 5 µm) (la—lateral antennae, tc—tentacular cirri, nh—notopodial hook, dc—dorsal cirri, vc—ventral cirri, ncneurochaete)." httpUri="https://zenodo.org/record/2614768/files/figure.png" pageId="4" pageNumber="423">Fig. 3b, c</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D5E05DDBFF99FF92F2927243FE8811C7" pageId="4" pageNumber="423" type="distribution">
|
||
<paragraph id="9D450E50FF99FF92F2927243FCB314AD" blockId="4.[151,1437,151,1511]" pageId="4" pageNumber="423">
|
||
<emphasis id="AF8ED242FF99FF92F2927243FEAB1488" bold="true" box="[199,352,367,392]" pageId="4" pageNumber="423">Distribution.</emphasis>
|
||
<taxonomicName id="5AFA75D3FF99FF92F333725CFDB71488" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[358,636,368,392]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF99FF92F333725CFDB71488" box="[358,636,368,392]" italics="true" pageId="4" pageNumber="423">Ancistrosyllis matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF99FF92F0D77243FD0B1488" bold="true" box="[642,704,367,392]" pageId="4" pageNumber="423">
|
||
<taxonomicNameLabel id="B4BD6F39FF99FF92F0D77243FD0B1488" box="[642,704,367,392]" pageId="4" pageNumber="423" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is only known from the
|
||
<typeStatus id="4241B0F2FF99FF92F185725CFBCB1488" box="[976,1024,368,392]" pageId="4" pageNumber="423">type</typeStatus>
|
||
locality river Matla. It represents the first record of the genus from Sundarban Estuarine System,
|
||
<collectingCountry id="E5ED4EC0FF99FF92F16272B8FCBF14AD" box="[823,884,404,429]" name="India" pageId="4" pageNumber="423">India</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="9D450E50FF99FF92F292729BFAFD163B" blockId="4.[151,1437,151,1511]" pageId="4" pageNumber="423">
|
||
<emphasis id="AF8ED242FF99FF92F292729BFEA914D0" bold="true" box="[199,354,439,464]" pageId="4" pageNumber="423">Comparison.</emphasis>
|
||
Comprehensive comparisons with all other species assigned under genus
|
||
<taxonomicName id="5AFA75D3FF99FF92F6837294FAA514D0" authorityName="McIntosh" authorityYear="1878" box="[1238,1390,440,464]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="genus">
|
||
<emphasis id="AF8ED242FF99FF92F6837294FAA514D0" box="[1238,1390,440,464]" italics="true" pageId="4" pageNumber="423">Ancistrosyllis</emphasis>
|
||
</taxonomicName>
|
||
are provided in
|
||
<tableCitation id="D0783BEBFF99FF92F37572F0FEBC14F4" box="[288,375,476,501]" captionStart="TABLE 2" captionStartId="5.[147,225,591,611]" captionText="TABLE 2. The main differentiating characters of Ancistrosyllis species (based on Pettibone 1966, Fiege & Böggemann 1999 and respective original descriptions)" pageId="4" pageNumber="423">Table 2</tableCitation>
|
||
.
|
||
<taxonomicName id="5AFA75D3FF99FF92F3D672F0FD5114F4" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[387,666,476,500]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF99FF92F3D672F0FD5114F4" box="[387,666,476,500]" italics="true" pageId="4" pageNumber="423">Ancistrosyllis matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF99FF92F0F772F0FD2A14F5" bold="true" box="[674,737,476,501]" pageId="4" pageNumber="423">
|
||
<taxonomicNameLabel id="B4BD6F39FF99FF92F0F772F0FD2A14F5" box="[674,737,476,501]" pageId="4" pageNumber="423" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
differs from
|
||
<taxonomicName id="5AFA75D3FF99FF92F12C72F0FBE614F4" authorityName="McIntosh" authorityYear="1878" box="[889,1069,476,500]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="groenlandica">
|
||
<emphasis id="AF8ED242FF99FF92F12C72F0FBE614F4" box="[889,1069,476,500]" italics="true" pageId="4" pageNumber="423">A. groenlandica</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<emphasis id="AF8ED242FF99FF92F66972F0FA5E14F4" box="[1084,1429,476,500]" italics="true" pageId="4" pageNumber="423">
|
||
<taxonomicName id="5AFA75D3FF99FF92F66972F0FB1314F4" baseAuthorityName="Pettibone" baseAuthorityYear="1966" box="[1084,1240,476,500]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="hartmanae">A. hartmanae</taxonomicName>
|
||
,
|
||
<taxonomicName id="5AFA75D3FF99FF92F6B172F0FA5E14F4" baseAuthorityName="Gardiner" baseAuthorityYear="1976" box="[1252,1429,476,500]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="commensalis">A. commensalis</taxonomicName>
|
||
</emphasis>
|
||
,
|
||
<taxonomicName id="5AFA75D3FF99FF92F2C2712CFEE91718" authorityName="Hartman" authorityYear="1963" box="[151,290,512,536]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="breviceps">
|
||
<emphasis id="AF8ED242FF99FF92F2C2712CFEE91718" box="[151,290,512,536]" italics="true" pageId="4" pageNumber="423">A. breviceps</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="5AFA75D3FF99FF92F366712CFE521718" authorityName="Fiege & Boggemann" authorityYear="1999" box="[307,409,512,536]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="fironii">
|
||
<emphasis id="AF8ED242FF99FF92F366712CFE521718" box="[307,409,512,536]" italics="true" pageId="4" pageNumber="423">A. fironii</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="5AFA75D3FF99FF92F3FF712CFDC41717" authorityName="Pettibone" authorityYear="1966" box="[426,527,512,535]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="jonesi">
|
||
<emphasis id="AF8ED242FF99FF92F3FF712CFDC41717" box="[426,527,512,535]" italics="true" pageId="4" pageNumber="423">A. jonesi</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="5AFA75D3FF99FF92F01F712CFD1E1718" authorityName="Read & Fauchald" authorityYear="2018" baseAuthorityName="Korschelt" baseAuthorityYear="1893" box="[586,725,512,536]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="cingulata">
|
||
<emphasis id="AF8ED242FF99FF92F01F712CFD1E1718" box="[586,725,512,536]" italics="true" pageId="4" pageNumber="423">A. cingulata</emphasis>
|
||
</taxonomicName>
|
||
in lacking a median antenna.
|
||
<taxonomicName id="5AFA75D3FF99FF92F667712CFB071718" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[1074,1228,512,536]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF99FF92F667712CFB071718" box="[1074,1228,512,536]" italics="true" pageId="4" pageNumber="423">A. matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF99FF92F68072D3FADD1718" bold="true" box="[1237,1302,511,536]" pageId="4" pageNumber="423">
|
||
<taxonomicNameLabel id="B4BD6F39FF99FF92F68072D3FADD1718" box="[1237,1302,511,536]" pageId="4" pageNumber="423" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is different from
|
||
<taxonomicName id="5AFA75D3FF99FF92F282710BFE9E173F" baseAuthorityName="Wesenberg-Lund" baseAuthorityYear="1962" box="[215,341,551,575]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="quellina">
|
||
<emphasis id="AF8ED242FF99FF92F282710BFE9E173F" box="[215,341,551,575]" italics="true" pageId="4" pageNumber="423">A. quellina</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="5AFA75D3FF99FF92F330710BFE24173F" baseAuthorityName="Jones" baseAuthorityYear="1961" box="[357,495,551,575]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="papillosa">
|
||
<emphasis id="AF8ED242FF99FF92F330710BFE24173F" box="[357,495,551,575]" italics="true" pageId="4" pageNumber="423">A. papillosa</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="5AFA75D3FF99FF92F079710BFD1D173F" baseAuthorityName="Gardiner" baseAuthorityYear="1976" box="[556,726,551,575]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="carolinensis">
|
||
<emphasis id="AF8ED242FF99FF92F079710BFD1D173F" box="[556,726,551,575]" italics="true" pageId="4" pageNumber="423">A. carolinensis</emphasis>
|
||
</taxonomicName>
|
||
in showing the first appearance of notopodial hooks from 7
|
||
<superScript id="6A8FA318FF99FF92F7C5710FFA571731" attach="none" box="[1424,1436,547,561]" fontSize="6" pageId="4" pageNumber="423">th</superScript>
|
||
chaetiger. Among all the species currently classified under
|
||
<taxonomicName id="5AFA75D3FF99FF92F17A7167FC0D1763" authorityName="McIntosh" authorityYear="1878" box="[815,966,587,611]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="genus">
|
||
<emphasis id="AF8ED242FF99FF92F17A7167FC0D1763" box="[815,966,587,611]" italics="true" pageId="4" pageNumber="423">Ancistrosyllis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="5AFA75D3FF99FF92F1817167FBA71763" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[980,1132,587,611]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF99FF92F1817167FBA71763" box="[980,1132,587,611]" italics="true" pageId="4" pageNumber="423">A. matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF99FF92F6267166FB791763" bold="true" box="[1139,1202,586,611]" pageId="4" pageNumber="423">
|
||
<taxonomicNameLabel id="B4BD6F39FF99FF92F6267166FB791763" box="[1139,1202,586,611]" pageId="4" pageNumber="423" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is most similar to
|
||
<taxonomicName id="5AFA75D3FF99FF92F7D17167FF2E1787" baseAuthorityName="Day" baseAuthorityYear="1957" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="falcata">
|
||
<emphasis id="AF8ED242FF99FF92F7D17167FF2E1787" italics="true" pageId="4" pageNumber="423">A. falcata</emphasis>
|
||
</taxonomicName>
|
||
in having the first notopodial hooked setae from chaetiger 7. However,
|
||
<taxonomicName id="5AFA75D3FF99FF92F6457143FB631787" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[1040,1192,623,647]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF99FF92F6457143FB631787" box="[1040,1192,623,647]" italics="true" pageId="4" pageNumber="423">A. matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF99FF92F6FA7142FB251787" bold="true" box="[1199,1262,622,647]" pageId="4" pageNumber="423">
|
||
<taxonomicNameLabel id="B4BD6F39FF99FF92F6FA7142FB251787" box="[1199,1262,622,647]" pageId="4" pageNumber="423" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
differs from
|
||
<taxonomicName id="5AFA75D3FF99FF92F7D17143FF2E17AB" baseAuthorityName="Day" baseAuthorityYear="1957" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="falcata">
|
||
<emphasis id="AF8ED242FF99FF92F7D17143FF2E17AB" italics="true" pageId="4" pageNumber="423">A. falcata</emphasis>
|
||
</taxonomicName>
|
||
in lacking eyes (vs. presence of eyes in
|
||
<taxonomicName id="5AFA75D3FF99FF92F09271BFFCFC17AB" baseAuthorityName="Day" baseAuthorityYear="1957" box="[711,823,659,683]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="falcata">
|
||
<emphasis id="AF8ED242FF99FF92F09271BFFCFC17AB" box="[711,823,659,683]" italics="true" pageId="4" pageNumber="423">A. falcata</emphasis>
|
||
</taxonomicName>
|
||
). These two species also differ in the shape of their tentacular cirri, conical and fusiform in
|
||
<taxonomicName id="5AFA75D3FF99FF92F00F719BFD3917CF" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[602,754,695,719]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF99FF92F00F719BFD3917CF" box="[602,754,695,719]" italics="true" pageId="4" pageNumber="423">A. matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF99FF92F0AF719AFCF117CF" bold="true" box="[762,826,694,719]" pageId="4" pageNumber="423">
|
||
<taxonomicNameLabel id="B4BD6F39FF99FF92F0AF719AFCF117CF" box="[762,826,694,719]" pageId="4" pageNumber="423" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="5AFA75D3FF99FF92F127719BFC2A17CF" baseAuthorityName="Day" baseAuthorityYear="1957" box="[882,993,695,719]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="falcata">
|
||
<emphasis id="AF8ED242FF99FF92F127719BFC2A17CF" box="[882,993,695,719]" italics="true" pageId="4" pageNumber="423">A. falcata</emphasis>
|
||
</taxonomicName>
|
||
respectively. Furthermore, ventral cirri are larger than the dorsal ones in the new species and start from the second segment whereas in
|
||
<taxonomicName id="5AFA75D3FF99FF92F6AA71F7FABB17F3" baseAuthorityName="Day" baseAuthorityYear="1957" box="[1279,1392,731,755]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="falcata">
|
||
<emphasis id="AF8ED242FF99FF92F6AA71F7FABB17F3" box="[1279,1392,731,755]" italics="true" pageId="4" pageNumber="423">A. falcata</emphasis>
|
||
</taxonomicName>
|
||
the character state is exactly opposite—ventral cirri are smaller than dorsal ones and starts from first segment. Neuropodia truncate and straight in new species but truncate, bent and downwards in
|
||
<taxonomicName id="5AFA75D3FF99FF92F603700FFB08163B" baseAuthorityName="Day" baseAuthorityYear="1957" box="[1110,1219,803,827]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="falcata">
|
||
<emphasis id="AF8ED242FF99FF92F603700FFB08163B" box="[1110,1219,803,827]" italics="true" pageId="4" pageNumber="423">A. falcata</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<tableCitation id="D0783BEBFF99FF92F687700EFAE3163B" box="[1234,1320,802,827]" captionStart="TABLE 2" captionStartId="5.[147,225,591,611]" captionText="TABLE 2. The main differentiating characters of Ancistrosyllis species (based on Pettibone 1966, Fiege & Böggemann 1999 and respective original descriptions)" pageId="4" pageNumber="423">Table 2</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="9D450E50FF99FF92F292706AFB3E16A7" blockId="4.[151,1437,151,1511]" pageId="4" pageNumber="423">
|
||
The neurochaetae of
|
||
<taxonomicName id="5AFA75D3FF99FF92F3E9706BFD9D165F" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[444,598,839,863]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF99FF92F3E9706BFD9D165F" box="[444,598,839,863]" italics="true" pageId="4" pageNumber="423">A. matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF99FF92F035706AFD6A165F" bold="true" box="[608,673,838,863]" pageId="4" pageNumber="423">
|
||
<taxonomicNameLabel id="B4BD6F39FF99FF92F035706AFD6A165F" box="[608,673,838,863]" pageId="4" pageNumber="423" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
are similar, but vary in length and shape (curved serrated cutting edges and bidentate tips); whereas in other species of
|
||
<taxonomicName id="5AFA75D3FF99FF92F0AD7047FC441683" authorityName="McIntosh" authorityYear="1878" box="[760,911,875,899]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="genus">
|
||
<emphasis id="AF8ED242FF99FF92F0AD7047FC441683" box="[760,911,875,899]" italics="true" pageId="4" pageNumber="423">Ancistrosyllis</emphasis>
|
||
</taxonomicName>
|
||
neurochaetae are of varying length, where the shorter ones are limbate, poorly spiny or indented and the longer capillaries are narrow and smooth.
|
||
</paragraph>
|
||
<paragraph id="9D450E50FF99FF92F292709EFE8811C7" blockId="4.[151,1437,151,1511]" pageId="4" pageNumber="423">
|
||
<emphasis id="AF8ED242FF99FF92F292709EFE4616CB" bold="true" box="[199,397,946,971]" pageId="4" pageNumber="423">Ecological notes.</emphasis>
|
||
<taxonomicName id="5AFA75D3FF99FF92F3C1709FFD6116CB" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[404,682,947,971]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF99FF92F3C1709FFD6116CB" box="[404,682,947,971]" italics="true" pageId="4" pageNumber="423">Ancistrosyllis matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF99FF92F0E5709EFD2516CB" bold="true" box="[688,750,946,971]" pageId="4" pageNumber="423">
|
||
<taxonomicNameLabel id="B4BD6F39FF99FF92F0E5709EFD2516CB" box="[688,750,946,971]" pageId="4" pageNumber="423" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
lives in silty-sand at depth of
|
||
<quantity id="5A02A3B5FF99FF92F66B709FFBA016CA" box="[1086,1131,947,971]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="4" pageNumber="423" unit="m" value="2.0">2 m</quantity>
|
||
, in a salinity of 16.68 PSU. One important abiotic variable, salinity, is quite different between the
|
||
<taxonomicName id="5AFA75D3FF99FF92F1E170FBFB8716EF" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[948,1100,983,1007]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF99FF92F1E170FBFB8716EF" box="[948,1100,983,1007]" italics="true" pageId="4" pageNumber="423">A. matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF99FF92F60170FAFB5F16EF" bold="true" box="[1108,1172,982,1007]" pageId="4" pageNumber="423">
|
||
<taxonomicNameLabel id="B4BD6F39FF99FF92F60170FAFB5F16EF" box="[1108,1172,982,1007]" pageId="4" pageNumber="423" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
and
|
||
<taxonomicName id="5AFA75D3FF99FF92F69870FBFAF716EF" baseAuthorityName="Day" baseAuthorityYear="1957" box="[1229,1340,983,1007]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="falcata">
|
||
<emphasis id="AF8ED242FF99FF92F69870FBFAF716EF" box="[1229,1340,983,1007]" italics="true" pageId="4" pageNumber="423">A. falcata</emphasis>
|
||
</taxonomicName>
|
||
—which the former closely resembles. The new species has been recorded from 16.68 PSU (the average annual salinity of the two collecting stations are 21.68 PSU [M3] and 20.91 PSU [M4]) and
|
||
<taxonomicName id="5AFA75D3FF99FF92F1B67733FB9A1137" baseAuthorityName="Day" baseAuthorityYear="1957" box="[995,1105,1055,1079]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="falcata">
|
||
<emphasis id="AF8ED242FF99FF92F1B67733FB9A1137" box="[995,1105,1055,1079]" italics="true" pageId="4" pageNumber="423">A. falcata</emphasis>
|
||
</taxonomicName>
|
||
has usually been recorded in waters with salinity 28-38.6 PSU (
|
||
<bibRefCitation id="F96B73A1FF99FF92F049776EFCBB115B" author="Bogdanos, C. & Satsmadjis, J." box="[540,880,1090,1115]" pageId="4" pageNumber="423" pagination="77 - 105" refId="ref2818" refString="Bogdanos, C. & Satsmadjis, J. (1983) The macrozoobenthos of an Aegean embayment, Thalassographica, 6, 77 - 105." type="journal article" year="1983">Bogdanos & Satsmadjis 1983</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="F96B73A1FF99FF92F12E776EFB01115B" author="Bogdanos, C. & Satsmadjis, J." box="[891,1226,1090,1115]" pageId="4" pageNumber="423" pagination="77 - 105" refId="ref2845" refString="Bogdanos, C. & Satsmadjis, J. (1987) The Patraikos gulf bottom fauna, Thalassographica, 10 (1), 77 - 105." type="journal article" year="1987">Bogdanos & Satsmadjis 1987</bibRefCitation>
|
||
and
|
||
<bibRefCitation id="F96B73A1FF99FF92F757776EFEB2117F" author="Nicolaidou, A. & Papadopoulou, K. N." pageId="4" pageNumber="423" pagination="193 - 204" refId="ref4191" refString="Nicolaidou, A. & Papadopoulou, K. N. (1989) Factors Affecting the Distribution and Diversity of Polychaetes in Amvrakikos Bay, Greece. Marine Ecology, 10 (3), 193 - 204." type="journal article" year="1989">Nicolaidou & Papadopoulou 1989</bibRefCitation>
|
||
); (
|
||
<bibRefCitation id="F96B73A1FF99FF92F3C0774BFDDD117F" author="Day, J. H." box="[405,534,1126,1151]" pageId="4" pageNumber="423" pagination="59 - 129" refId="ref3059" refString="Day, J. H. (1957) The polychaete fauna of South Africa, Part 4, New species and records from Natal and Mozambique. Annals of the Natal Museum, 14 (1), 59 - 129." type="journal article" year="1957">Day [1957]</bibRefCitation>
|
||
did not provide ecological data for the
|
||
<typeStatus id="4241B0F2FF99FF92F1997744FC371180" box="[972,1020,1128,1152]" pageId="4" pageNumber="423">type</typeStatus>
|
||
locality but at Inhaca Island which is the
|
||
<typeStatus id="4241B0F2FF99FF92F29477A7FF3A11A3" box="[193,241,1163,1187]" pageId="4" pageNumber="423">type</typeStatus>
|
||
locality of
|
||
<taxonomicName id="5AFA75D3FF99FF92F32177A7FE2911A3" baseAuthorityName="Day" baseAuthorityYear="1957" box="[372,482,1163,1187]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="falcata">
|
||
<emphasis id="AF8ED242FF99FF92F32177A7FE2911A3" box="[372,482,1163,1187]" italics="true" pageId="4" pageNumber="423">A. falcata</emphasis>
|
||
</taxonomicName>
|
||
the salinity is usually much higher than the new species collection locality [
|
||
<bibRefCitation id="F96B73A1FF99FF92F71577A7FEE411C7" author="Macnae, W. & Kalk, M." pageId="4" pageNumber="423" pagination="19 - 34" refId="ref3930" refString="Macnae, W. & Kalk, M. (1962) The Ecology of the Mangrove Swamps at Inhaca Island, Mocambique. Journal of Ecology, 50 (1), 19 - 34. https: // doi. org / 10.2307 / 2257188" type="journal article" year="1962">Macnae & Kalk 1962</bibRefCitation>
|
||
]).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="D5E05DDBFF99FF92F29277FEFE8110E7" pageId="4" pageNumber="423" type="etymology">
|
||
<paragraph id="9D450E50FF99FF92F29277FEFF3A100F" blockId="4.[151,1437,151,1511]" pageId="4" pageNumber="423">
|
||
<emphasis id="AF8ED242FF99FF92F29277FEFE8511EB" bold="true" box="[199,334,1234,1259]" pageId="4" pageNumber="423">Etymology.</emphasis>
|
||
This species is being named after the river Matla, one of the largest river of Sundarban Estuarine System.
|
||
</paragraph>
|
||
<paragraph id="9D450E50FF99FF92F2927636FE8110E7" blockId="4.[151,1437,151,1511]" pageId="4" pageNumber="423">
|
||
<emphasis id="AF8ED242FF99FF92F2927636FE9F1033" bold="true" box="[199,340,1306,1331]" pageId="4" pageNumber="423">Conclusion.</emphasis>
|
||
<taxonomicName id="5AFA75D3FF99FF92F3347637FDB51033" authority="Mandal & Deb, 2018" authorityName="Mandal & Deb" authorityYear="2018" box="[353,638,1307,1331]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="matlaensis" status="sp. nov.">
|
||
<emphasis id="AF8ED242FF99FF92F3347637FDB51033" box="[353,638,1307,1331]" italics="true" pageId="4" pageNumber="423">Ancistrosyllis matlaensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="AF8ED242FF99FF92F0DE7636FD1B1033" bold="true" box="[651,720,1306,1331]" pageId="4" pageNumber="423">
|
||
<taxonomicNameLabel id="B4BD6F39FF99FF92F0DE7636FD1B1033" box="[651,720,1306,1331]" pageId="4" pageNumber="423" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is described from the Indian waters and contributes to the knowledge about the morphological features and its relation to various ecological factors of this species. This report will contribute to the polychaete checklist of Indian waters. As has also been said above there are important morphological and ecological differences between the new species and
|
||
<taxonomicName id="5AFA75D3FF99FF92F18576ABFBF4109F" baseAuthorityName="Day" baseAuthorityYear="1957" box="[976,1087,1415,1439]" class="Polychaeta" family="Pilargidae" genus="Ancistrosyllis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="4" pageNumber="423" phylum="Annelida" rank="species" species="falcata">
|
||
<emphasis id="AF8ED242FF99FF92F18576ABFBF4109F" box="[976,1087,1415,1439]" italics="true" pageId="4" pageNumber="423">A. falcata</emphasis>
|
||
</taxonomicName>
|
||
which proves that the present species is a different evolutionary lineage. Hence, it is a different species according to General Lineage Concept (
|
||
<bibRefCitation id="F96B73A1FF99FF92F2CB76E2FEF610E7" author="Queiroz, K. de" box="[158,317,1486,1511]" pageId="4" pageNumber="423" pagination="57 - 75" refId="ref4296" refString="Queiroz, K. de (1998) The general lineage concept of species, species criteria, and the process of speciation: A Conceptual Unification and Terminological Recommendations. In: Howard, D. J. & Berlocher, S. H. (Eds.), Endless Forms: Species and Speciation. Oxford University Press, Oxford, pp. 57 - 75." type="book chapter" year="1998">Queiroz 1998</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |