335 lines
51 KiB
XML
335 lines
51 KiB
XML
<document id="047223FECFFB929D9CC9659AD0CDABC9" ID-DOI="10.5281/zenodo.198268" ID-GBIF-Dataset="c223b5c1-055d-4ff9-91d6-13cceb14a28b" ID-ISSN="1175-5326" ID-Zenodo-Dep="198268" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460291345981" checkinUser="plazi" docAuthor="Mortimer, Kate" docDate="2010" docId="03BDDD14E47C5539FF41F980BE27F929" docLanguage="en" docName="zt02628p026.pdf" docOrigin="Zootaxa 2628" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Magelona tinae Nateewathana & Hylleberg 1991" docType="treatment" docVersion="9" lastPageNumber="21" masterDocId="FF84A56CE46D552DFFD6FFC2BF53FF85" masterDocTitle="Magelonidae (Polychaeta) from the Arabian Peninsula: a review of known species, with notes on Magelona tinae from Thailand" masterLastPageNumber="26" masterPageNumber="1" pageNumber="18" updateTime="1698251417727" updateUser="plazi">
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<mods:titleInfo id="4B022FB3DFCB10896570DD9946D1BD91">
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<mods:title id="FCCC59A1C8874D6546113013B25F82FF">Magelonidae (Polychaeta) from the Arabian Peninsula: a review of known species, with notes on Magelona tinae from Thailand</mods:title>
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<mods:name id="D56F5139A5B4710A315E648218443254" type="personal">
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<mods:namePart id="96992B86D4F484CC781483FB805BA9BA">Mortimer, Kate</mods:namePart>
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<mods:title id="557C44C514E0197EA1A90CCC45926121">Zootaxa</mods:title>
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<mods:part id="2BD4B17CE02BA8B11F802C448A615248">
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<mods:date id="3CAE1881A58108AD679B8334F620BA48">2010</mods:date>
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<mods:detail id="24D322CD3E9FF3CE1A3014BAFDC85EB4" type="volume">
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<mods:number id="05FC0E037CB2EC044F703C833C84715A">2628</mods:number>
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<mods:classification id="F85B8A84D758037BA9E3ABAC7EB1BACE">journal article</mods:classification>
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<mods:identifier id="1E5551E3F0F80E50B48D8F89184DE6C0" type="DOI">10.5281/zenodo.198268</mods:identifier>
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<mods:identifier id="37118FBA2113D95571EB235F9E88FB29" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="FFAD523C6BEBD2F90C0C629D1AEA2FAB" type="Zenodo-Dep">198268</mods:identifier>
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<treatment id="03BDDD14E47C5539FF41F980BE27F929" ID-DOI="http://doi.org/10.5281/zenodo.6208092" ID-GBIF-Taxon="119398737" ID-Zenodo-Dep="6208092" LSID="urn:lsid:plazi:treatment:03BDDD14E47C5539FF41F980BE27F929" httpUri="http://treatment.plazi.org/id/03BDDD14E47C5539FF41F980BE27F929" lastPageId="20" lastPageNumber="21" pageId="17" pageNumber="18">
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<subSubSection id="C30E3F89E47C553CFF41F980BE54F9FA" pageId="17" pageNumber="18" type="nomenclature">
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<paragraph id="8BAB6C02E47C553CFF41F980BDA9F9D9" blockId="17.[151,762,1602,1663]" box="[151,762,1602,1628]" pageId="17" pageNumber="18">
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<heading id="D0E3DB6EE47C553CFF41F980BDA9F9D9" bold="true" box="[151,762,1602,1628]" fontSize="11" level="1" pageId="17" pageNumber="18" reason="1">
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<taxonomicName id="4C141781E47C553CFF41F980BDA9F9D9" ID-CoL="3XGTH" authority="Nateewathana & Hylleberg, 1991" authorityName="Nateewathana & Hylleberg" authorityYear="1991" box="[151,762,1602,1628]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="17" pageNumber="18" phylum="Annelida" rank="species" species="tinae">
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<emphasis id="B960B010E47C553CFF41F980BDA9F9D9" bold="true" box="[151,762,1602,1628]" pageId="17" pageNumber="18">
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<emphasis id="B960B010E47C553CFF41F980BE07F9D9" bold="true" box="[151,340,1602,1628]" italics="true" pageId="17" pageNumber="18">Magelona tinae</emphasis>
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<bibRefCitation id="EF8511F3E47C553CFE8AF980BDA9F9D9" author="Nateewathana" box="[348,762,1602,1628]" pageId="17" pageNumber="18" refString="Nateewathana, A. & Hylleberg, J. (1991) Magelonid polychaetes from Thailand, the Andaman Sea, with descriptions of eight new species. In: Petersen, M. E. &. Kirkegaard, J. B. (Eds), Systematics, biology and morphology of world Polychaeta. Proceedings of the 2 nd International Polychaete Conference, Copenhagen, 1986. Ophelia, Suppl. 5, pp. 169 - 184." type="journal article" year="1991">Nateewathana & Hylleberg, 1991</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8BAB6C02E47C553CFF41F9A7BE54F9FA" blockId="17.[151,762,1602,1663]" box="[151,263,1637,1663]" pageId="17" pageNumber="18">
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<figureCitation id="132F7087E47C553CFF41F9A7BE54F9FA" box="[151,263,1637,1663]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="17" pageNumber="18">Figure 11</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection id="C30E3F89E47C553CFF41F972BC22F942" box="[151,881,1712,1735]" pageId="17" pageNumber="18" type="reference_group">
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<paragraph id="8BAB6C02E47C553CFF41F972BC22F942" blockId="17.[151,881,1712,1735]" box="[151,881,1712,1735]" pageId="17" pageNumber="18">
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<treatmentCitationGroup id="AB044B2CE47C553CFF41F972BC22F942" box="[151,881,1712,1735]" pageId="17" pageNumber="18">
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<taxonomicName id="4C141781E47C553CFF41F972BDB2F942" ID-CoL="3XGTH" authority="Nateewathana & Hylleberg, 1991: 181" authorityName="Nateewathana & Hylleberg" authorityPageNumber="181" authorityYear="1991" box="[151,737,1712,1735]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="17" pageNumber="18" phylum="Annelida" rank="species" species="tinae">
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<emphasis id="B960B010E47C553CFF41F972BE6CF942" box="[151,319,1712,1735]" italics="true" pageId="17" pageNumber="18">Magelona tinae</emphasis>
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<treatmentCitation id="0AB54A13E47C553CFE93F972BDB2F942" author="Nateewathana" box="[325,737,1712,1735]" page="181" pageId="17" pageNumber="18" year="1991">
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<bibRefCitation id="EF8511F3E47C553CFE93F972BDFCF942" author="Nateewathana" box="[325,687,1712,1735]" pageId="17" pageNumber="18" refString="Nateewathana, A. & Hylleberg, J. (1991) Magelonid polychaetes from Thailand, the Andaman Sea, with descriptions of eight new species. In: Petersen, M. E. &. Kirkegaard, J. B. (Eds), Systematics, biology and morphology of world Polychaeta. Proceedings of the 2 nd International Polychaete Conference, Copenhagen, 1986. Ophelia, Suppl. 5, pp. 169 - 184." type="journal article" year="1991">Nateewathana & Hylleberg, 1991</bibRefCitation>
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: 181
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</treatmentCitation>
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</taxonomicName>
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–183, fig. 10.
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</treatmentCitationGroup>
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</paragraph>
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</subSubSection>
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<subSubSection id="C30E3F89E47C553CFF41F93ABC09F80E" pageId="17" pageNumber="18" type="materials_examined">
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<paragraph id="8BAB6C02E47C553CFF41F93ABC09F80E" blockId="17.[151,1437,1781,2006]" pageId="17" pageNumber="18">
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<emphasis id="B960B010E47C553CFF41F93ABEDFF897" bold="true" box="[151,396,1784,1810]" pageId="17" pageNumber="18">Material examined.</emphasis>
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Phuket Island, Thailand—Kamala Bay, fine sand,
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<quantity id="4CECC1E7E47C553CFC32F93ABB70F897" box="[996,1059,1784,1810]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="17" pageNumber="18" unit="m" value="10.0">10 m</quantity>
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,
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<typeStatus id="54AFD2A0E47C553CFBF9F93ABBC6F897" box="[1071,1173,1784,1810]" pageId="17" pageNumber="18" type="paratype">Paratype</typeStatus>
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(
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<collectionCode id="ED05F4C7E47C553CFB70F93ABBAAF897" box="[1190,1273,1784,1810]" httpUri="http://grbio.org/cool/c3cw-qjai" name="Phuket Marine Biological Centre" pageId="17" pageNumber="18">PMBC</collectionCode>
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3180; c),
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<date id="FFAA4AC2E47C553CFAA4F93ABE33F8BE" pageId="17" pageNumber="18" value="1980-09-17">17th September 1980</date>
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; Sta.
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<date id="FFAA4AC2E47C553CFE72F8E3BEB1F8BE" box="[420,482,1825,1851]" bridgedPair="-" pageId="17" pageNumber="18">IV–3</date>
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6/3 Bang Tao Bay,
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<quantity id="4CECC1E7E47C553CFD03F8E3BC41F8BE" box="[725,786,1825,1851]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="17" pageNumber="18" unit="m" value="10.0">10 m</quantity>
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(
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<collectionCode id="ED05F4C7E47C553CFCF5F8E3BC2BF8BE" box="[803,888,1825,1851]" httpUri="http://grbio.org/cool/c3cw-qjai" name="Phuket Marine Biological Centre" pageId="17" pageNumber="18">PMBC</collectionCode>
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4251; af),
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<date id="FFAA4AC2E47C553CFBD6F8E3BBBFF8BE" box="[1024,1260,1821,1851]" pageId="17" pageNumber="18" value="1982-11-09">9th November 1982</date>
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; Sta.
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<date id="FFAA4AC2E47C553CFAF9F8E3BA3EF8BE" box="[1327,1389,1825,1851]" bridgedPair="-" pageId="17" pageNumber="18">IV–3</date>
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3/1 Bang Tao Bay,
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<quantity id="4CECC1E7E47C553CFE9CF88BBED6F8E6" box="[330,389,1865,1891]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="17" pageNumber="18" unit="m" value="10.0">10 m</quantity>
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||
(
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<collectionCode id="ED05F4C7E47C553CFE42F88BBEB4F8E6" box="[404,487,1865,1891]" httpUri="http://grbio.org/cool/c3cw-qjai" name="Phuket Marine Biological Centre" pageId="17" pageNumber="18">PMBC</collectionCode>
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4253; af),
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<date id="FFAA4AC2E47C553CFDB1F88BBC19F8E6" box="[615,842,1862,1891]" pageId="17" pageNumber="18" value="1982-11-09">9th November 1982</date>
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; Sta.
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<date id="FFAA4AC2E47C553CFC5FF88BBC96F8E6" box="[905,965,1865,1891]" bridgedPair="-" pageId="17" pageNumber="18">IV–3</date>
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6/1 Bang Tao Bay,
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<quantity id="4CECC1E7E47C553CFB7AF88BBBB4F8E6" box="[1196,1255,1865,1891]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="17" pageNumber="18" unit="m" value="10.0">10 m</quantity>
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||
(
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<collectionCode id="ED05F4C7E47C553CFB20F88BBA1AF8E6" box="[1270,1353,1865,1891]" httpUri="http://grbio.org/cool/c3cw-qjai" name="Phuket Marine Biological Centre" pageId="17" pageNumber="18">PMBC</collectionCode>
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4254),
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<date id="FFAA4AC2E47C553CFF41F8B3BE29F80E" box="[151,378,1902,1931]" pageId="17" pageNumber="18" value="1982-11-09">9th November 1982</date>
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.
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<typeStatus id="54AFD2A0E47C553CFE53F8B3BEA1F80E" box="[389,498,1905,1931]" pageId="17" pageNumber="18" type="holotype">Holotype</typeStatus>
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not available for examination.
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</paragraph>
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</subSubSection>
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<subSubSection id="C30E3F89E47C553FFF13F854BC2BFE17" lastPageId="18" lastPageNumber="19" pageId="17" pageNumber="18" type="diagnosis">
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<paragraph id="8BAB6C02E47C553FFF13F854BC2BFE17" blockId="17.[151,1437,1781,2006]" lastBlockId="18.[151,1437,152,2007]" lastPageId="18" lastPageNumber="19" pageId="17" pageNumber="18">
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<emphasis id="B960B010E47C553CFF13F854BE19F835" bold="true" box="[197,330,1942,1968]" pageId="17" pageNumber="18">Diagnosis.</emphasis>
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Prostomium longer than wide, slender triangular, without prostomial horns. Notopodia of chaetigers 1–8 with subrectangular postchaetal lamellae, upper edges lightly crenulated, bilobed on several posterior chaetigers. Short cirriform dorsal processes present on chaetigers 1–8. Neuropodia with single long slender processes in a ventral position of similar size throughout thorax. Neuropodia of chaetiger 8 with digitiform, prechaetal processes, in addition to subtriangular postchaetal lamellae. Chaetiger 9 with low postchaetal lamellae, small neuropodial processes present ventrally at inner margins of chaetal rows. Chaetigers 1–8 with capillary chaetae, chaetiger 9 with mucronate chaetae. Abdominal lateral lamellae spatulate, bluntly pointed, basally constricted. Hooded hooks tridentate, in two groups,
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<emphasis id="B960B010E47F553FFB72FE90BA42FEEE" box="[1188,1297,338,363]" italics="true" pageId="18" pageNumber="19">vis–à–vis</emphasis>
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. Anteriorly and posteriorly open pouches present on abdominal chaetigers.
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</paragraph>
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</subSubSection>
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<subSubSection id="C30E3F89E47F5539FF13FE5FBCC7FDF7" lastPageId="20" lastPageNumber="21" pageId="18" pageNumber="19" type="description">
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<paragraph id="8BAB6C02E47F553FFF13FE5FBE46FDC9" blockId="18.[151,1437,152,2007]" pageId="18" pageNumber="19">
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<emphasis id="B960B010E47F553FFF13FE5FBE36FE32" bold="true" box="[197,357,413,439]" pageId="18" pageNumber="19">Description.</emphasis>
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A slender species (
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<figureCitation id="132F7087E47F553FFD8AFE5FBDE6FE32" box="[604,693,413,439]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Fig. 11</figureCitation>
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A); abdomen thicker than thorax.
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<typeStatus id="54AFD2A0E47F553FFB88FE5FBB99FE32" box="[1118,1226,413,439]" pageId="18" pageNumber="19" type="paratype">Paratype</typeStatus>
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complete in two fragments, (25 & 42 chaetigers) prostomium 1.0 mm long,
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<quantity id="4CECC1E7E47F553FFC80FE00BCE2FE59" box="[854,945,450,476]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="18" pageNumber="19" unit="mm" value="0.6">0.6 mm</quantity>
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||
wide; thorax (including prostomium)
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<quantity id="4CECC1E7E47F553FFAA1FE00BF96FD87" metricMagnitude="-3" metricUnit="m" metricValue="2.6" pageId="18" pageNumber="19" unit="mm" value="2.6">2.6 mm</quantity>
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long,
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<quantity id="4CECC1E7E47F553FFED9FE2ABE39FD87" box="[271,362,488,514]" metricMagnitude="-4" metricUnit="m" metricValue="6.0" pageId="18" pageNumber="19" unit="mm" value="0.6">0.6 mm</quantity>
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wide at widest point; abdomen
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<quantity id="4CECC1E7E47F553FFD34FE2ABC6EFD87" box="[738,829,488,514]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="18" pageNumber="19" unit="mm" value="0.5">0.5 mm</quantity>
|
||
wide; total length
|
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<quantity id="4CECC1E7E47F553FFBCCFE2ABBD0FD87" box="[1050,1155,488,514]" metricMagnitude="-2" metricUnit="m" metricValue="1.66" pageId="18" pageNumber="19" unit="mm" value="16.6">16.6 mm</quantity>
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for 67 chaetigers (note: recorded as 65 chaetigers by
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<bibRefCitation id="EF8511F3E47F553FFE22FDCFBCD2FDA2" author="Nateewathana" box="[500,897,525,551]" pageId="18" pageNumber="19" refString="Nateewathana, A. & Hylleberg, J. (1991) Magelonid polychaetes from Thailand, the Andaman Sea, with descriptions of eight new species. In: Petersen, M. E. &. Kirkegaard, J. B. (Eds), Systematics, biology and morphology of world Polychaeta. Proceedings of the 2 nd International Polychaete Conference, Copenhagen, 1986. Ophelia, Suppl. 5, pp. 169 - 184." type="journal article" year="1991">Nateewathana & Hylleberg 1991</bibRefCitation>
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||
). Other material
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||
<quantity id="4CECC1E7E47F553FFB9DFDCFBBFBFDA2" box="[1099,1192,525,551]" metricMagnitude="-3" metricUnit="m" metricValue="4.7" pageId="18" pageNumber="19" unit="mm" value="4.7">4.7 mm</quantity>
|
||
–
|
||
<quantity id="4CECC1E7E47F553FFB6EFDCFBA4CFDA2" box="[1208,1311,525,551]" metricMagnitude="-2" metricUnit="m" metricValue="1.45" pageId="18" pageNumber="19" unit="mm" value="14.5">14.5 mm</quantity>
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||
for 25–49 chaetigers.
|
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</paragraph>
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<paragraph id="8BAB6C02E47F553FFF13FD9ABE8EFC19" blockId="18.[151,1437,152,2007]" pageId="18" pageNumber="19">
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Prostomium elongate, much longer than wide (L:W ratio 1.67), slender triangular, without prostomial horns, anterior margin smooth, rounded, formed into blunt tip; eyes absent. Two pairs of prominent longitudinal dorsal muscular ridges, outer pair (slightly shorter) abutting inners for entire length, inner pair reaching the distal tip of prostomium, where they diverge only very slightly. Fairly distinct quadrangular areas either side of muscular ridges. Proboscis not everted in any observed specimen. Palps arising ventrolaterally from base of prostomium, reaching around chaetigers 20–25, non–papillated region reaching chaetigers 3–4. Papillae relatively long. Proximally with 2 rows of papillae either side of inconspicuous ventral groove, distally 1–2 rows. Both palps retained on two specimens (PMBC 4251 & 4253), right–hand one only on
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<typeStatus id="54AFD2A0E47F553FFF41FC40BFAFFC19" box="[151,252,898,924]" pageId="18" pageNumber="19" type="paratype">paratype</typeStatus>
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(distal tip broken).
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</paragraph>
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<paragraph id="8BAB6C02E47F553FFF13FC6ABD84FB27" blockId="18.[151,1437,152,2007]" pageId="18" pageNumber="19">
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Peristomium achaetous, of similar size to chaetiger 1. Chaetigers 1–7 similar; parapodia biramous with triangular notopodial prechaetal lamellae confluent with subrectangular postchaetal lamellae, distal tips pointed. Postchaetal lamellae increasing in size gradually long thorax (
|
||
<figureCitation id="132F7087E47F553FFBF0FC30BBD6FB89" box="[1062,1157,1010,1036]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Figs 11</figureCitation>
|
||
B–F). Upper edges of postchaetal lamellae very lightly crenulated, degree of crenulation variable; an indistinct notch present in the upper margins of the sixth chaetiger (
|
||
<figureCitation id="132F7087E47F553FFD8BFBFFBDE1FBD2" box="[605,690,1085,1111]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Fig. 11</figureCitation>
|
||
E) which increases in size and develops into bilobed lamellae from chaetiger 7 (
|
||
<figureCitation id="132F7087E47F553FFEA7FBA0BE9BFBF9" box="[369,456,1122,1148]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Fig. 11</figureCitation>
|
||
F). Single short, slender, cirriform prechaetal superior process (DML) present on chaetigers 1–8, of similar size throughout thorax.
|
||
</paragraph>
|
||
<paragraph id="8BAB6C02E47F553FFF13FB6FBB72FA97" blockId="18.[151,1437,152,2007]" pageId="18" pageNumber="19">
|
||
Neuropodia of 1–7 with single long slender cirriform processes ventrally (VNL), directly under chaetae but becoming slightly prechaetal by chaetiger 5, distal tips pointed, of similar size throughout thorax. Pre– and postchaetal lamellae well–developed, encircling chaetae cuff–like (
|
||
<figureCitation id="132F7087E47F553FFC7FFB3ABCAEFA97" box="[937,1021,1272,1298]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Fig. 11</figureCitation>
|
||
C).
|
||
</paragraph>
|
||
<paragraph id="8BAB6C02E47F553FFF13FADFBD28FA49" blockId="18.[151,1437,152,2007]" pageId="18" pageNumber="19">
|
||
Chaetiger 8 (
|
||
<figureCitation id="132F7087E47F553FFE89FADFBEE6FAB2" box="[351,437,1309,1335]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Fig. 11</figureCitation>
|
||
G): Notopodial lamellae bilobed, dorsalmost portion triangular; lateral portion more rounded, upper edge minutely crenulate, with pointed tip. Neuropodial processes (VNL) prechaetal, digitiform, marginally shorter and thinner than on preceding chaetigers. Low prechaetal lamellae confluent with subtriangular postchaetal lamellae, encircling chaetae superiorly, cuff–like (
|
||
<figureCitation id="132F7087E47F553FFB5AFA4FBBB6FA22" box="[1164,1253,1421,1447]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Fig. 11</figureCitation>
|
||
G). Chaetae of chaetigers 1–8 simple winged capillaries.
|
||
</paragraph>
|
||
<paragraph id="8BAB6C02E47F553FFF13FA1ABA61F902" blockId="18.[151,1437,152,2007]" pageId="18" pageNumber="19">
|
||
Chaetiger 9: shorter than preceding chaetigers (
|
||
<figureCitation id="132F7087E47F553FFD21FA1ABC18FA77" box="[759,843,1496,1522]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Fig. 11</figureCitation>
|
||
A). Notopodial prechaetal lamellae low, confluent with higher postchaetal lamellae, upper edges minutely crenulate (
|
||
<figureCitation id="132F7087E47F553FFC17FA3FBB44F992" box="[961,1047,1533,1559]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Fig. 11</figureCitation>
|
||
H). Lamellae encircling chaetae underneath as slender cirriform lateral expansions. No superior processes (DML) observed. Neuropodia similar to notopodia, without lateral expansions, small ventral prechaetal processes present (VML of some authors). Chaetae spatulate (
|
||
<figureCitation id="132F7087E47F553FFE35F9AFBD65F902" box="[483,566,1645,1671]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Fig. 11</figureCitation>
|
||
K), arranged in arcs, chaetae longer towards margins of each fan.
|
||
</paragraph>
|
||
<paragraph id="8BAB6C02E47F553FFF13F950BD3FF957" blockId="18.[151,1437,152,2007]" pageId="18" pageNumber="19">
|
||
Oval markings present ventrally, level with lamellae of chaetiger 8 (
|
||
<figureCitation id="132F7087E47F553FFC21F950BB1FF929" box="[1015,1100,1682,1708]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Fig. 11</figureCitation>
|
||
J), and two reniform shaped markings present level with chaetiger 7.
|
||
</paragraph>
|
||
<paragraph id="8BAB6C02E47F553FFF13F91FBEE3F809" blockId="18.[151,1437,152,2007]" pageId="18" pageNumber="19">
|
||
Abdominal chaetigers (
|
||
<figureCitation id="132F7087E47F553FFE0AF91FBD62F972" box="[476,561,1757,1783]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">
|
||
Fig.
|
||
<date id="FFAA4AC2E47F553FFDC3F91FBD62F972" box="[533,561,1757,1783]" pageId="18" pageNumber="19" value="1911-01">11</date>
|
||
</figureCitation>
|
||
I) with broad, spatulate lateral lamellae, of about equal size in both rami, basally constricted, bluntly pointed, overlapping in anterior abdomen. Lamellar shape shows some variation. Extension of lateral lamellae behind chaetal rows present but not well–developed. Small triangular processes (DML & VML) present at inner margins of chaetal rows. Lamellae decreasing in size along abdomen, becoming more slender.
|
||
</paragraph>
|
||
<paragraph id="8BAB6C02E47F5539FF13F85ABB9BFE17" blockId="18.[151,1437,152,2007]" lastBlockId="20.[151,1437,152,1708]" lastPageId="20" lastPageNumber="21" pageId="18" pageNumber="19">
|
||
Abdominal chaetae (
|
||
<figureCitation id="132F7087E47F553FFE69F85ABD4AF837" box="[447,537,1944,1970]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="18" pageNumber="19">Figs 11</figureCitation>
|
||
L, M) tridentate hooded hooks of similar size, superior two fangs parallel, above main fang. Approximately 10 hooks per rami, hooks in two groups, main fangs
|
||
<emphasis id="B960B010E47F553FFB60F87FBA79F853" box="[1206,1322,1981,2006]" italics="true" pageId="18" pageNumber="19">vis–à–vis,</emphasis>
|
||
group at inner margins of chaetal rows with around twice number of chaetae (
|
||
<figureCitation id="132F7087E4795539FC6DFF5ABB43FF37" box="[955,1040,152,178]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="20" pageNumber="21">
|
||
Fig.
|
||
<date id="FFAA4AC2E4795539FC24FF5ABB43FF37" box="[1010,1040,152,178]" pageId="20" pageNumber="21" value="1911-01">11</date>
|
||
</figureCitation>
|
||
I). Paired anteriorly open pouches between chaetigers 11 and 12 (Σ configuration of
|
||
<bibRefCitation id="EF8511F3E4795539FD3AFF7FBCE6FF52" author="Fiege" box="[748,949,189,215]" pageId="20" pageNumber="21" refString="Fiege, D., Licher, F. & Mackie, A. S. Y. (2000) A partial review of the European Magelonidae (Annelida: Polychaeta): Magelona mirabilis redefined and M. johnstoni sp. nov. distinguished. Journal of the Marine Biological Association of the United Kingdom, 80, 215 - 234." type="journal article" year="2000">
|
||
Fiege
|
||
<emphasis id="B960B010E4795539FCE0FF7FBC21FF53" box="[822,882,189,214]" italics="true" pageId="20" pageNumber="21">et al.</emphasis>
|
||
2000
|
||
</bibRefCitation>
|
||
—see discussion), well–developed, large membrane, often extruded, bounded between two cuticular flaps. Unpaired posteriorly open pouches (C configuration of
|
||
<bibRefCitation id="EF8511F3E4795539FE89FECABD7AFEA7" author="Fiege" box="[351,553,264,290]" pageId="20" pageNumber="21" refString="Fiege, D., Licher, F. & Mackie, A. S. Y. (2000) A partial review of the European Magelonidae (Annelida: Polychaeta): Magelona mirabilis redefined and M. johnstoni sp. nov. distinguished. Journal of the Marine Biological Association of the United Kingdom, 80, 215 - 234." type="journal article" year="2000">
|
||
Fiege
|
||
<emphasis id="B960B010E4795539FE7FFECABEB6FEA4" box="[425,485,264,289]" italics="true" pageId="20" pageNumber="21">et al.</emphasis>
|
||
2000
|
||
</bibRefCitation>
|
||
—see discussion) present posteriorly, on alternate chaetigers, more or less regularly. Pouches quite large, often convoluted. On
|
||
<typeStatus id="54AFD2A0E4795539FCD0FEEFBC3DFEC2" box="[774,878,301,327]" pageId="20" pageNumber="21" type="paratype">paratype</typeStatus>
|
||
, pouches observed on 11, 22L, 24R, 26L, 28R, 30L, 32R, 34L, 36R, 38L, 40R, 42L, 44R, 46L, 48R, 50L, 52R, 54L, 56R, 58L, 60R, 62L and 64R. Pygidium with two short digitiform anal cirri, left–hand cirri shorter than right (presumed damaged?).
|
||
</paragraph>
|
||
<caption id="DF6B3C8AE47E553EFF41F891BFB8F86F" httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="19" pageNumber="20" targetBox="[180,1369,184,1853]" targetPageId="19">
|
||
<paragraph id="8BAB6C02E47E553EFF41F891BFB8F86F" blockId="19.[151,1437,1875,2026]" pageId="19" pageNumber="20">
|
||
<emphasis id="B960B010E47E553EFF41F891BE7AF8EE" bold="true" box="[151,297,1875,1899]" pageId="19" pageNumber="20">FIGURE 11.</emphasis>
|
||
<taxonomicName id="4C141781E47E553EFEE7F891BE8DF8EF" box="[305,478,1875,1898]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="19" pageNumber="20" phylum="Annelida" rank="species" species="tinae">
|
||
<emphasis id="B960B010E47E553EFEE7F891BE8DF8EF" box="[305,478,1875,1898]" italics="true" pageId="19" pageNumber="20">Magelona tinae</emphasis>
|
||
</taxonomicName>
|
||
(Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D–I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L–M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BAB6C02E4795539FF13FE5FBDE3FDC9" blockId="20.[151,1437,152,1708]" pageId="20" pageNumber="21">
|
||
<emphasis id="B960B010E4795539FF13FE5FBE71FE32" bold="true" box="[197,290,413,439]" pageId="20" pageNumber="21">Colour.</emphasis>
|
||
Specimens generally pale, with cream to white coloration. Staining with methyl green shows no clear pattern, but an overall diffuse stain. Small speckled areas dorsally, next to parapodia on chaetigers 1 to 5 are present (
|
||
<figureCitation id="132F7087E4795539FEFDFE2ABED2FD87" box="[299,385,488,514]" captionStart="FIGURE 11" captionStartId="19.[151,257,1875,1899]" captionTargetBox="[180,1369,184,1853]" captionTargetId="figure@19.[180,1428,130,1894]" captionTargetPageId="19" captionText="FIGURE 11. Magelona tinae (Paratype, PMBC 3180) A, anterior region, dorsal view, methyl green staining pattern shown; B, chaetiger 1, anterior view; C, neuropodium of chaetiger 1, dorsal view; D – I, chaetigers 3, 6, 7, 8, 9 & 10 respectively (anterior views); J, venter between chaetigers 7 and 9, showing ventral markings; K, mucronate chaeta from chaetiger 9, L – M, tridentate abdominal hooded hooks, frontal, lateral oblique views respectively (hoods omitted for clarity)." httpUri="https://zenodo.org/record/198279/files/figure.png" pageId="20" pageNumber="21">Fig. 11</figureCitation>
|
||
A). Slight staining evident abdominally between parapodia.
|
||
<bibRefCitation id="EF8511F3E4795539FB83FE2ABFB6FDA2" author="Nateewathana" pageId="20" pageNumber="21" refString="Nateewathana, A. & Hylleberg, J. (1991) Magelonid polychaetes from Thailand, the Andaman Sea, with descriptions of eight new species. In: Petersen, M. E. &. Kirkegaard, J. B. (Eds), Systematics, biology and morphology of world Polychaeta. Proceedings of the 2 nd International Polychaete Conference, Copenhagen, 1986. Ophelia, Suppl. 5, pp. 169 - 184." type="journal article" year="1991">Nateewathana & Hylleberg (1991)</bibRefCitation>
|
||
recorded a diffuse dorsolateral staining pattern with methyl blue between chaetigers 1 and 9, and blue staining ventrally between chaetigers 6 and 9.
|
||
</paragraph>
|
||
<paragraph id="8BAB6C02E4795539FF13FD95BCC7FDF7" blockId="20.[151,1437,152,1708]" box="[197,916,599,626]" pageId="20" pageNumber="21">
|
||
<emphasis id="B960B010E4795539FF13FD95BE7FFDF4" bold="true" box="[197,300,599,625]" pageId="20" pageNumber="21">Habitat.</emphasis>
|
||
<typeStatus id="54AFD2A0E4795539FEE2FD9ABE3DFDF7" box="[308,366,600,626]" pageId="20" pageNumber="21">Type</typeStatus>
|
||
specimens found in very fine–fine sand,
|
||
<specimenCount id="9D12A78BE4795539FC87FD9ABCC7FDF7" box="[849,916,600,626]" pageId="20" pageNumber="21" type="generic">
|
||
<quantity id="4CECC1E7E4795539FC87FD9ABCDCFDF7" box="[849,911,600,626]" metricMagnitude="1" metricUnit="m" metricValue="1.0" pageId="20" pageNumber="21" unit="m" value="10.0">10 m</quantity>
|
||
.
|
||
</specimenCount>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30E3F89E4795539FF13FDBFBE27F929" pageId="20" pageNumber="21" type="discussion">
|
||
<paragraph id="8BAB6C02E4795539FF13FDBFBDB2FCA9" blockId="20.[151,1437,152,1708]" pageId="20" pageNumber="21">
|
||
<emphasis id="B960B010E4795539FF13FDBFBE12FD12" bold="true" box="[197,321,637,663]" pageId="20" pageNumber="21">Remarks.</emphasis>
|
||
Several differences from the original description of
|
||
<taxonomicName id="4C141781E4795539FC12FDBFBB7AFD13" box="[964,1065,637,662]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="tinae">
|
||
<emphasis id="B960B010E4795539FC12FDBFBB7AFD13" box="[964,1065,637,662]" italics="true" pageId="20" pageNumber="21">M. tinae</emphasis>
|
||
</taxonomicName>
|
||
have been noted; the shape of abdominal lateral lamellae, being more rounded/spatulate than figured (
|
||
<bibRefCitation id="EF8511F3E4795539FC36FD60BF9BFD67" author="Nateewathana" pageId="20" pageNumber="21" refString="Nateewathana, A. & Hylleberg, J. (1991) Magelonid polychaetes from Thailand, the Andaman Sea, with descriptions of eight new species. In: Petersen, M. E. &. Kirkegaard, J. B. (Eds), Systematics, biology and morphology of world Polychaeta. Proceedings of the 2 nd International Polychaete Conference, Copenhagen, 1986. Ophelia, Suppl. 5, pp. 169 - 184." type="journal article" year="1991">Nateewathana & Hylleberg 1991, fig. 10F</bibRefCitation>
|
||
), and the slightly crenulate nature of the upper edges of the notopodial postchaetal lamellae of chaetiger 9. Foliaceous posteriorly open pouches are present in addition to the paired pouches between chaetiger 11–12 as reported by
|
||
<bibRefCitation id="EF8511F3E4795539FE92FCD0BD8EFCA9" author="Nateewathana" box="[324,733,786,812]" pageId="20" pageNumber="21" refString="Nateewathana, A. & Hylleberg, J. (1991) Magelonid polychaetes from Thailand, the Andaman Sea, with descriptions of eight new species. In: Petersen, M. E. &. Kirkegaard, J. B. (Eds), Systematics, biology and morphology of world Polychaeta. Proceedings of the 2 nd International Polychaete Conference, Copenhagen, 1986. Ophelia, Suppl. 5, pp. 169 - 184." type="journal article" year="1991">Nateewathana & Hylleberg (1991)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BAB6C02E4795539FF13FCFABD22FBF9" blockId="20.[151,1437,152,1708]" pageId="20" pageNumber="21">
|
||
Morphologically,
|
||
<taxonomicName id="4C141781E4795539FE4AFCFABD52FCD4" box="[412,513,824,849]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="tinae">
|
||
<emphasis id="B960B010E4795539FE4AFCFABD52FCD4" box="[412,513,824,849]" italics="true" pageId="20" pageNumber="21">M. tinae</emphasis>
|
||
</taxonomicName>
|
||
is extremely similar to
|
||
<taxonomicName id="4C141781E4795539FCF4FCFABC9CFCD4" box="[802,975,824,849]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="obockensis">
|
||
<emphasis id="B960B010E4795539FCF4FCFABC9CFCD4" box="[802,975,824,849]" italics="true" pageId="20" pageNumber="21">M. obockensis</emphasis>
|
||
</taxonomicName>
|
||
in terms of prostomial shape, form of thoracic and abdominal lamellae and presence of mucronate chaetae on chaetiger 9. Many similarities in the shape of the thoracic postchaetal lamellae exist; presence of pointed tips on lateral margins, minutely crenulated upper edges, and the presence of bilobed lamellae in the posterior thorax. However, slight variations between the two species have been observed.
|
||
<taxonomicName id="4C141781E4795539FCE5FC0FBCBEFC63" box="[819,1005,973,998]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="tinae">
|
||
<emphasis id="B960B010E4795539FCE5FC0FBCBEFC63" box="[819,1005,973,998]" italics="true" pageId="20" pageNumber="21">Magelona tinae</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName id="4C141781E4795539FB5DFC0FBA67FC63" box="[1163,1332,973,998]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="obockensis">
|
||
<emphasis id="B960B010E4795539FB5DFC0FBA67FC63" box="[1163,1332,973,998]" italics="true" pageId="20" pageNumber="21">M. obockensis</emphasis>
|
||
</taxonomicName>
|
||
in terms of thoracic notopodial lamellar shape being more rounded oblong and less foliaceous; the postchaetal lamellae of chaetiger 9 less crenulated; prechaetal superior processes (DML) on chaetiger 9 were not observed; bilobed thoracic postchaetal lamellae being present only on chaetigers 7–8; postchaetal expansions of the lateral lamellae in the abdomen less developed.
|
||
</paragraph>
|
||
<paragraph id="8BAB6C02E4795539FF13FB4ABBE2FA04" blockId="20.[151,1437,152,1708]" pageId="20" pageNumber="21">
|
||
Small indistinct markings (not swollen) resembling the shape of those ventral swellings of
|
||
<taxonomicName id="4C141781E4795539FB22FB4ABACFFB24" box="[1268,1436,1160,1185]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="obockensis">
|
||
<emphasis id="B960B010E4795539FB22FB4ABACFFB24" box="[1268,1436,1160,1185]" italics="true" pageId="20" pageNumber="21">M. obockensis</emphasis>
|
||
</taxonomicName>
|
||
were seen on both
|
||
<typeStatus id="54AFD2A0E4795539FE52FB6FBEEAFB42" box="[388,441,1197,1223]" pageId="20" pageNumber="21">type</typeStatus>
|
||
and non–
|
||
<typeStatus id="54AFD2A0E4795539FDE0FB6FBD38FB42" box="[566,619,1197,1223]" pageId="20" pageNumber="21">type</typeStatus>
|
||
material of
|
||
<emphasis id="B960B010E4795539FCD0FB6FBC24FB43" box="[774,887,1197,1222]" italics="true" pageId="20" pageNumber="21">
|
||
<taxonomicName id="4C141781E4795539FCD0FB6FBC21FB43" box="[774,882,1197,1222]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="tinae">M. tinae</taxonomicName>
|
||
,
|
||
</emphasis>
|
||
level with chaetigers 7–8.
|
||
<bibRefCitation id="EF8511F3E4795539FB1BFB6FBE87FB69" author="Nateewathana" pageId="20" pageNumber="21" refString="Nateewathana, A. & Hylleberg, J. (1991) Magelonid polychaetes from Thailand, the Andaman Sea, with descriptions of eight new species. In: Petersen, M. E. &. Kirkegaard, J. B. (Eds), Systematics, biology and morphology of world Polychaeta. Proceedings of the 2 nd International Polychaete Conference, Copenhagen, 1986. Ophelia, Suppl. 5, pp. 169 - 184." type="journal article" year="1991">Nateewathana & Hylleberg (1991, fig. 10H)</bibRefCitation>
|
||
also drew several structures on the venter of the
|
||
<typeStatus id="54AFD2A0E4795539FBCFFB10BB2CFB69" box="[1049,1151,1234,1260]" pageId="20" pageNumber="21" type="holotype">holotype</typeStatus>
|
||
between chaetigers 6–8 (although they made no mention of this in their description).
|
||
<bibRefCitation id="EF8511F3E4795539FC8AFB3ABBA2FA97" author="Nateewathana" box="[860,1265,1272,1298]" pageId="20" pageNumber="21" refString="Nateewathana, A. & Hylleberg, J. (1991) Magelonid polychaetes from Thailand, the Andaman Sea, with descriptions of eight new species. In: Petersen, M. E. &. Kirkegaard, J. B. (Eds), Systematics, biology and morphology of world Polychaeta. Proceedings of the 2 nd International Polychaete Conference, Copenhagen, 1986. Ophelia, Suppl. 5, pp. 169 - 184." type="journal article" year="1991">Nateewathana & Hylleberg (1991)</bibRefCitation>
|
||
noted staining ventrally between chaetigers 6 and 9 with methyl blue, this appears to be associated with these structures in their figured specimen. The staining patterns with methyl green for both
|
||
<taxonomicName id="4C141781E4795539FC26FA81BB01FAD9" box="[1008,1106,1347,1372]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="tinae">
|
||
<emphasis id="B960B010E4795539FC26FA81BB01FAD9" box="[1008,1106,1347,1372]" italics="true" pageId="20" pageNumber="21">M. tinae</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C141781E4795539FB5AFA81BA67FAD9" box="[1164,1332,1347,1372]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="obockensis">
|
||
<emphasis id="B960B010E4795539FB5AFA81BA67FAD9" box="[1164,1332,1347,1372]" italics="true" pageId="20" pageNumber="21">M. obockensis</emphasis>
|
||
</taxonomicName>
|
||
are very similar, however, no white speckling associated with the venter was observed in
|
||
<emphasis id="B960B010E4795539FB9EFAAABBE2FA04" box="[1096,1201,1384,1409]" italics="true" pageId="20" pageNumber="21">
|
||
<taxonomicName id="4C141781E4795539FB9EFAAABBFEFA04" box="[1096,1197,1384,1409]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="tinae">M. tinae</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BAB6C02E4795539FF13FA4FBE27F929" blockId="20.[151,1437,152,1708]" pageId="20" pageNumber="21">
|
||
Some of the variations seen between these two species could be explained by size,
|
||
<taxonomicName id="4C141781E4795539FB33FA4FBA1DFA23" box="[1253,1358,1421,1446]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="tinae">
|
||
<emphasis id="B960B010E4795539FB33FA4FBA1DFA23" box="[1253,1358,1421,1446]" italics="true" pageId="20" pageNumber="21">M. tinae</emphasis>
|
||
</taxonomicName>
|
||
being somewhat smaller than either
|
||
<taxonomicName id="4C141781E4795539FDCCFA71BD82FA49" box="[538,721,1459,1484]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="obockensis">
|
||
<emphasis id="B960B010E4795539FDCCFA71BD82FA49" box="[538,721,1459,1484]" italics="true" pageId="20" pageNumber="21">M. obockensis</emphasis>
|
||
</taxonomicName>
|
||
or
|
||
<emphasis id="B960B010E4795539FD28FA71BC92FA49" box="[766,961,1459,1484]" italics="true" pageId="20" pageNumber="21">
|
||
<taxonomicName id="4C141781E4795539FD28FA71BCEEFA49" box="[766,957,1459,1484]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="heteropoda">M. heteropoda</taxonomicName>
|
||
.
|
||
</emphasis>
|
||
The development of the bilobed and crenulated notopodial lamellae, and ventral swellings for instance may be linked directly to size. The lack of dorsal superior process on chaetiger
|
||
<quantity id="4CECC1E7E4795539FD86FA3FBD2DF992" box="[592,638,1533,1559]" metricMagnitude="-1" metricUnit="m" metricValue="2.286" pageId="20" pageNumber="21" unit="in" value="9.0">9 in</quantity>
|
||
<taxonomicName id="4C141781E4795539FD51FA3FBDB8F993" box="[647,747,1533,1558]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="tinae">
|
||
<emphasis id="B960B010E4795539FD51FA3FBDB8F993" box="[647,747,1533,1558]" italics="true" pageId="20" pageNumber="21">M. tinae</emphasis>
|
||
</taxonomicName>
|
||
may also be linked to size. Those of
|
||
<taxonomicName id="4C141781E4795539FB78FA3FBA09F993" box="[1198,1370,1533,1558]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="obockensis">
|
||
<emphasis id="B960B010E4795539FB78FA3FBA09F993" box="[1198,1370,1533,1558]" italics="true" pageId="20" pageNumber="21">M. obockensis</emphasis>
|
||
</taxonomicName>
|
||
were small and difficult to see even on larger specimens, and may be perceived to be lacking in smaller specimens. It is clear that these species are extremely morphological similar, further investigation between specimens of a similar size is warranted, in order to investigate these variations, before any conclusions can be made about the status
|
||
<taxonomicName id="4C141781E4795539FEDAF951BE3DF929" box="[268,366,1683,1708]" class="Polychaeta" family="Magelonidae" genus="Magelona" kingdom="Animalia" order="Spionida" pageId="20" pageNumber="21" phylum="Annelida" rank="species" species="tinae">
|
||
<emphasis id="B960B010E4795539FEDAF951BE3DF929" box="[268,366,1683,1708]" italics="true" pageId="20" pageNumber="21">M. tinae</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |