treatments-xml/data/E6/79/B6/E679B631FFAEFF848507FD38FA57F8B0.xml
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<document id="549002DF500CDF59F9B9113EE726F2DF" ID-DOI="10.3853/j.2201-4349.75.2023.1800" ID-ISSN="2201-4349" ID-Zenodo-Dep="10414191" IM.bibliography_approvedBy="carolina" IM.illustrations_approvedBy="carolina" IM.materialsCitations_approvedBy="carolina" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="carolina" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="carolina" checkinTime="1703108841751" checkinUser="felipe" docAuthor="Georgieva, Magdalena N., Wiklund, Helena, Ramos, Dino A., Neal, Lenka, Glasby, Christopher J. &amp; Gunton, Laetitia M." docDate="2023" docId="E679B631FFAEFF848507FD38FA57F8B0" docLanguage="en" docName="RecAustMus.75.3.167-213.pdf" docOrigin="Records of the Australian Museum (Rec. Aust. Mus.) 75 (3)" docSource="http://dx.doi.org/10.3853/j.2201-4349.75.2023.1800" docStyle="DocumentStyle:997BA24B490466A2F99594A367FA147F.4:RecAustMus.2019-.journal_article.0cover" docStyleId="997BA24B490466A2F99594A367FA147F" docStyleName="RecAustMus.2019-.journal_article.0cover" docStyleVersion="4" docTitle="Eumida longicirrata Hartmann-Schroder 1975" docType="treatment" docVersion="6" lastPageNumber="196" masterDocId="1A40CE49FFB3FF998400FFBFFFDAFFBA" masterDocTitle="The Annelid Community of a Natural Deep-sea Whale Fall off Eastern Australia" masterLastPageNumber="213" masterPageNumber="167" pageNumber="196" updateTime="1713651691940" updateUser="carolina" zenodo-license-document="CC-BY-4.0">
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<mods:title id="2C3A14D531866F57603B102C3109F35C">The Annelid Community of a Natural Deep-sea Whale Fall off Eastern Australia</mods:title>
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<mods:affiliation id="0B61B363166C97C643F3AB96FA1978F7">Life Sciences Department, Natural History Museum, London, United Kingdom &amp; Univ. Brest, CNRS, Ifremer, UMR 6197 Biologie et Ecologie des Ecosystèmes marins Profonds, Plouzané, France</mods:affiliation>
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<mods:affiliation id="B60101B87F5D1A0011D638C4EB2904AB">Life Sciences Department, Natural History Museum, London, United Kingdom &amp; Department of Marine Sciences, University of Gothenburg, Gothenburg, Sweden &amp; Gothenburg Global Biodiversity Centre, Gothenburg, Sweden</mods:affiliation>
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<mods:affiliation id="1C4579288273587B69B06CBF13A18781">Life Sciences Department, Natural History Museum, London, United Kingdom &amp; University of Grenada, Grenada, Spain</mods:affiliation>
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<mods:affiliation id="18632071A43AD4D90DF141DCFCC88101">Australian Museum Research Institute, Australian Museum, Sydney, Australia &amp; Natural Sciences, Museum and Art Gallery of the Northern Territory, Darwin, Australia &amp; Research Institute for the Environment and Livelihoods, Charles Darwin University, Darwin, Australia</mods:affiliation>
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<mods:date id="7D766B0E84C6FED876FB6BD1505821D7">2023</mods:date>
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<taxonomicName id="A9D07CA4FFAEFF848507FD38FDA2FD6B" ID-CoL="6H972" authority="Hartmann-Schroder, 1975" authorityName="Hartmann-Schroder" authorityYear="1975" class="Polychaeta" family="Phyllodocidae" genus="Eumida" isUncertain="true" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="longicirrata">
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<emphasis id="5CA4DB35FFAEFF848507FD38FEA0FD1C" bold="true" box="[263,378,647,678]" italics="true" pageId="29" pageNumber="196">Eumida</emphasis>
cf.
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<emphasis id="5CA4DB35FFAEFF848479FCA5FE8AFC88" bold="true" box="[121,336,794,818]" pageId="29" pageNumber="196">Material examined</emphasis>
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, beam trawl, start: 28.05°S 154.08°E,
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DNA vouchers:
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W.52192 (
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W.52193 (
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W.52194 (
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.
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<emphasis id="5CA4DB35FFAEFF848479FC48FF27FBB5" bold="true" box="[121,253,1015,1039]" pageId="29" pageNumber="196">Description</emphasis>
. Complete specimens measuring
<quantity id="A928AAC2FFAEFF84866BFC48FD36FBB5" box="[619,748,1015,1039]" metricMagnitude="-3" metricUnit="m" metricValue="5.199999999999999" metricValueMax="7.6" metricValueMin="2.8" pageId="29" pageNumber="196" unit="mm" value="5.199999999999999" valueMax="7.6" valueMin="2.8">2.87.6 mm</quantity>
long with 2042 segments, appearing biannulate (
<figureCitation id="F6EB1BA2FFAEFF84867FFBAAFD3BFB97" box="[639,737,1045,1069]" captionStart="Figure 21" captionStartId="30.[167,235,1701,1723]" captionTargetBox="[167,1467,152,1689]" captionTargetId="figure-11@30.[167,1467,151,1689]" captionTargetPageId="30" captionText="Figure 21. Eumida cf. longicirrata. (A) Photo of a live specimen (NHMUK ANEA 2022.406), scale bar is 1 mm; (B) ventral aspect of the anterior end showing the prostomium and tentacular cirri (NHMUK ANEA 2022.407408), scale bar is 250 µm; (C) fully everted proboscis (NHMUK ANEA 2022.404), scale bar is 750 µm; (D) light micrograph of mid-body parapodium (NHMUK ANEA 2022.404), scale bar is 200 µm; (E) light micrograph of heterogomph spinigers (NHMUK ANEA 2022.404), scale bar is 50 µm; (F) light micrograph of pygidium missing one anal cirrus (NHMUK ANEA 2022.406), scale bar is 250 µm." figureDoi="http://doi.org/10.5281/zenodo.10414237" httpUri="https://zenodo.org/record/10414237/files/figure.png" pageId="29" pageNumber="196">Fig. 21A</figureCitation>
). Segments widest anteriorly (
<quantity id="A928AAC2FFAEFF8485B2FB8DFD8EFBF0" box="[434,596,1074,1098]" metricMagnitude="-4" metricUnit="m" metricValue="6" metricValueMax="6.7" metricValueMin="5.3" pageId="29" pageNumber="196" unit="mm" value="0.6" valueMax="0.67" valueMin="0.53">0.530.67 mm</quantity>
) and tapering posteriorly.
</paragraph>
<paragraph id="6E6F0727FFAEFF848497FBD2FE57FAAD" blockId="29.[121,749,1015,1802]" pageId="29" pageNumber="196">
Prostomium pentagonal with rounded corners, wider than long (
<figureCitation id="F6EB1BA2FFAEFF8484EBFB35FE96FB18" box="[235,332,1162,1186]" captionStart="Figure 21" captionStartId="30.[167,235,1701,1723]" captionTargetBox="[167,1467,152,1689]" captionTargetId="figure-11@30.[167,1467,151,1689]" captionTargetPageId="30" captionText="Figure 21. Eumida cf. longicirrata. (A) Photo of a live specimen (NHMUK ANEA 2022.406), scale bar is 1 mm; (B) ventral aspect of the anterior end showing the prostomium and tentacular cirri (NHMUK ANEA 2022.407408), scale bar is 250 µm; (C) fully everted proboscis (NHMUK ANEA 2022.404), scale bar is 750 µm; (D) light micrograph of mid-body parapodium (NHMUK ANEA 2022.404), scale bar is 200 µm; (E) light micrograph of heterogomph spinigers (NHMUK ANEA 2022.404), scale bar is 50 µm; (F) light micrograph of pygidium missing one anal cirrus (NHMUK ANEA 2022.406), scale bar is 250 µm." figureDoi="http://doi.org/10.5281/zenodo.10414237" httpUri="https://zenodo.org/record/10414237/files/figure.png" pageId="29" pageNumber="196">Fig. 21B</figureCitation>
). Anterior end of prostomium with pair of antennae slightly longer than prostomium dorsally and similar pair of palps ventrally. A median antenna, shorter and thinner than frontal antennae, inserted near middle of prostomium. Eyes absent.
</paragraph>
<paragraph id="6E6F0727FFAEFF848497FAA2FDFFFA10" blockId="29.[121,749,1015,1802]" pageId="29" pageNumber="196">
Proboscis fully everted in
<specimenCount id="78D6CCAEFFAEFF8485D1FAA2FDB5FA8F" box="[465,623,1309,1333]" count="1" pageId="29" pageNumber="196" type="generic">one specimen</specimenCount>
(
<collectionCode id="08C19FE2FFAEFF848682FAA2FD31FA8F" box="[642,747,1309,1333]" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="29" pageNumber="196" type="Museum">NHMUK</collectionCode>
<specimenCode id="3E76AF5CFFAEFF84847AFA85FEEEFAE8" box="[122,308,1338,1362]" collectionCode="ANEA" pageId="29" pageNumber="196">ANEA 2022.404</specimenCode>
), funnel-shaped, with ~40 terminal cirri and low papilla in concentric rows on the column (
<figureCitation id="F6EB1BA2FFAEFF8486C1FAE8FF73FA37" captionStart="Figure 21" captionStartId="30.[167,235,1701,1723]" captionTargetBox="[167,1467,152,1689]" captionTargetId="figure-11@30.[167,1467,151,1689]" captionTargetPageId="30" captionText="Figure 21. Eumida cf. longicirrata. (A) Photo of a live specimen (NHMUK ANEA 2022.406), scale bar is 1 mm; (B) ventral aspect of the anterior end showing the prostomium and tentacular cirri (NHMUK ANEA 2022.407408), scale bar is 250 µm; (C) fully everted proboscis (NHMUK ANEA 2022.404), scale bar is 750 µm; (D) light micrograph of mid-body parapodium (NHMUK ANEA 2022.404), scale bar is 200 µm; (E) light micrograph of heterogomph spinigers (NHMUK ANEA 2022.404), scale bar is 50 µm; (F) light micrograph of pygidium missing one anal cirrus (NHMUK ANEA 2022.406), scale bar is 250 µm." figureDoi="http://doi.org/10.5281/zenodo.10414237" httpUri="https://zenodo.org/record/10414237/files/figure.png" pageId="29" pageNumber="196">Fig. 21C</figureCitation>
). Partially-everted proboscis appears columnar in other specimens (
<collectionCode id="08C19FE2FFAEFF8484F6FA2DFE87FA10" box="[246,349,1426,1450]" country="United Kingdom" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34665" lsid="urn:lsid:biocol.org:col:34665" name="Natural History Museum, London" pageId="29" pageNumber="196" type="Museum">NHMUK</collectionCode>
<specimenCode id="3E76AF5CFFAEFF848561FA2DFDC0FA10" box="[353,538,1426,1450]" collectionCode="ANEA" pageId="29" pageNumber="196">ANEA 2022.439</specimenCode>
).
</paragraph>
<paragraph id="6E6F0727FFAEFF848497FA10FEA7F92F" blockId="29.[121,749,1015,1802]" pageId="29" pageNumber="196">
First and second segments appear fused, with the first pair of tentacular cirri inserted ventral to the prostomium. Four tentacular cirri on segments 13 cylindrical, tapering distally (1 + C1/1 + C1/
<emphasis id="5CA4DB35FFAEFF848560F9B0FEB6F9A7" bold="true" box="[352,364,1551,1565]" italics="true" pageId="29" pageNumber="196">
<subScript id="F2540562FFAEFF848560F9B0FEB6F9A7" attach="right" box="[352,364,1551,1565]" fontSize="6" pageId="29" pageNumber="196">N</subScript>
</emphasis>
). In preserved specimens, the cirrus on segment 1 reaches segments 56, the dorsal cirrus on segment 2 reaches segments 67, the ventral cirrus on segment 2 reaches segments 57, and the cirrus on segment 3 reaches segments 78.
</paragraph>
<paragraph id="6E6F0727FFAEFF848497F925FBADFF15" blockId="29.[121,749,1015,1802]" lastBlockId="29.[793,1421,151,322]" pageId="29" pageNumber="196">
Dorsal cirri present from segment 4, ventral cirrus from the segment 3. Dorsal cirrus lanceolate, 1.52× longer than parapodial lobe, around 2.53× longer than wide (
<figureCitation id="F6EB1BA2FFAEFF848680F96AFD3BF957" box="[640,737,1749,1773]" captionStart="Figure 21" captionStartId="30.[167,235,1701,1723]" captionTargetBox="[167,1467,152,1689]" captionTargetId="figure-11@30.[167,1467,151,1689]" captionTargetPageId="30" captionText="Figure 21. Eumida cf. longicirrata. (A) Photo of a live specimen (NHMUK ANEA 2022.406), scale bar is 1 mm; (B) ventral aspect of the anterior end showing the prostomium and tentacular cirri (NHMUK ANEA 2022.407408), scale bar is 250 µm; (C) fully everted proboscis (NHMUK ANEA 2022.404), scale bar is 750 µm; (D) light micrograph of mid-body parapodium (NHMUK ANEA 2022.404), scale bar is 200 µm; (E) light micrograph of heterogomph spinigers (NHMUK ANEA 2022.404), scale bar is 50 µm; (F) light micrograph of pygidium missing one anal cirrus (NHMUK ANEA 2022.406), scale bar is 250 µm." figureDoi="http://doi.org/10.5281/zenodo.10414237" httpUri="https://zenodo.org/record/10414237/files/figure.png" pageId="29" pageNumber="196">Fig. 21D</figureCitation>
). Ventral cirrus lanceolate, slightly longer than parapodial lobe, around 2.53× longer than wide.
</paragraph>
<paragraph id="6E6F0727FFAEFF848738FF0AFB08FEBD" blockId="29.[793,1421,151,322]" pageId="29" pageNumber="196">
Parapodia uniramous with a single acicula and numerous heterogomph spinigers (
<figureCitation id="F6EB1BA2FFAEFF848025FF6DFB53FF50" box="[1061,1161,210,234]" captionStart="Figure 21" captionStartId="30.[167,235,1701,1723]" captionTargetBox="[167,1467,152,1689]" captionTargetId="figure-11@30.[167,1467,151,1689]" captionTargetPageId="30" captionText="Figure 21. Eumida cf. longicirrata. (A) Photo of a live specimen (NHMUK ANEA 2022.406), scale bar is 1 mm; (B) ventral aspect of the anterior end showing the prostomium and tentacular cirri (NHMUK ANEA 2022.407408), scale bar is 250 µm; (C) fully everted proboscis (NHMUK ANEA 2022.404), scale bar is 750 µm; (D) light micrograph of mid-body parapodium (NHMUK ANEA 2022.404), scale bar is 200 µm; (E) light micrograph of heterogomph spinigers (NHMUK ANEA 2022.404), scale bar is 50 µm; (F) light micrograph of pygidium missing one anal cirrus (NHMUK ANEA 2022.406), scale bar is 250 µm." figureDoi="http://doi.org/10.5281/zenodo.10414237" httpUri="https://zenodo.org/record/10414237/files/figure.png" pageId="29" pageNumber="196">Fig. 21E</figureCitation>
). Shaft of chaetae with apical teeth and blade with fine serration.
</paragraph>
<paragraph id="6E6F0727FFAEFF848738FEB2FBB0FEF8" blockId="29.[793,1421,151,322]" pageId="29" pageNumber="196">
Pygidium broad and blunt, with two terminal tear-shaped cirri easily detached (
<figureCitation id="F6EB1BA2FFAEFF8487FFFE95FB84FEF8" box="[1023,1118,298,322]" captionStart="Figure 21" captionStartId="30.[167,235,1701,1723]" captionTargetBox="[167,1467,152,1689]" captionTargetId="figure-11@30.[167,1467,151,1689]" captionTargetPageId="30" captionText="Figure 21. Eumida cf. longicirrata. (A) Photo of a live specimen (NHMUK ANEA 2022.406), scale bar is 1 mm; (B) ventral aspect of the anterior end showing the prostomium and tentacular cirri (NHMUK ANEA 2022.407408), scale bar is 250 µm; (C) fully everted proboscis (NHMUK ANEA 2022.404), scale bar is 750 µm; (D) light micrograph of mid-body parapodium (NHMUK ANEA 2022.404), scale bar is 200 µm; (E) light micrograph of heterogomph spinigers (NHMUK ANEA 2022.404), scale bar is 50 µm; (F) light micrograph of pygidium missing one anal cirrus (NHMUK ANEA 2022.406), scale bar is 250 µm." figureDoi="http://doi.org/10.5281/zenodo.10414237" httpUri="https://zenodo.org/record/10414237/files/figure.png" pageId="29" pageNumber="196">Fig. 21F</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="26CA54ACFFAEFF84871AFEE2FA57FE28" pageId="29" pageNumber="196" type="distribution">
<paragraph id="6E6F0727FFAEFF84871AFEE2FA57FE28" blockId="29.[793,1422,349,403]" pageId="29" pageNumber="196">
<emphasis id="5CA4DB35FFAEFF84871AFEE2FC78FECF" bold="true" box="[794,930,349,373]" pageId="29" pageNumber="196">Distribution</emphasis>
. IN2017_V03, Station 100. Pilot whale carcass, off Byron Bay,
<collectingRegion id="AC14C9C5FFAEFF8487BAFEC4FBA2FE28" box="[954,1144,378,402]" country="Australia" name="New South Wales" pageId="29" pageNumber="196">New South Wales</collectingRegion>
,
<collectingCountry id="16C747B7FFAEFF848080FEC5FB38FE28" box="[1152,1250,378,402]" name="Australia" pageId="29" pageNumber="196">Australia</collectingCountry>
in
<quantity id="A928AAC2FFAEFF848101FEC5FA53FE28" box="[1281,1417,378,402]" metricMagnitude="3" metricUnit="m" metricValue="1.0059999999999998" metricValueMax="1.013" metricValueMin="0.999" pageId="29" pageNumber="196" unit="m" value="1006.0" valueMax="1013.0" valueMin="999.0">9991013 m</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="26CA54ACFFAEFF84871AFE12FA57F8B0" pageId="29" pageNumber="196" type="discussion">
<paragraph id="6E6F0727FFAEFF84871AFE12FA80FCE5" blockId="29.[793,1422,429,1802]" pageId="29" pageNumber="196">
<emphasis id="5CA4DB35FFAEFF84871AFE12FC5BFE7F" bold="true" box="[794,897,429,453]" pageId="29" pageNumber="196">Remarks</emphasis>
. Recognized
<taxonomicName id="A9D07CA4FFAEFF84800FFE12FB68FE7F" box="[1039,1202,429,453]" pageId="29" pageNumber="196">
<emphasis id="5CA4DB35FFAEFF84800FFE12FBBBFE7F" box="[1039,1121,429,453]" italics="true" pageId="29" pageNumber="196">Eumida</emphasis>
species
</taxonomicName>
lacking eyes include
<taxonomicName id="A9D07CA4FFAEFF84871AFE75FB75FE58" authority="Eibye-Jacobsen, 1991" authorityName="Eibye-Jacobsen" authorityYear="1991" box="[794,1199,458,482]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="alvini">
<emphasis id="5CA4DB35FFAEFF84871AFE75FC6EFE58" box="[794,948,458,482]" italics="true" pageId="29" pageNumber="196">Eumida alvini</emphasis>
<bibRefCitation id="0A417AD6FFAEFF8487BEFE75FB75FE58" author="Eibye-Jacobsen, D." box="[958,1199,458,482]" pageId="29" pageNumber="196" pagination="81 - 140" refId="ref24299" refString="Eibye-Jacobsen, D. 1991. A revision of Eumida Malmgren, 1865 (Polychaeta: Phyllodocidae). Steenstrupia 17 (3): 81 - 140." type="journal article" year="1991">Eibye-Jacobsen, 1991</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="A9D07CA4FFAEFF8480BDFE75FC02FDBA" authority="Boggemann, 2009" authorityName="Boggemann" authorityYear="2009" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="angolensis">
<emphasis id="5CA4DB35FFAEFF8480BDFE75FA54FE58" box="[1213,1422,458,482]" italics="true" pageId="29" pageNumber="196">Eumida angolensis</emphasis>
<bibRefCitation id="0A417AD6FFAEFF84871AFE57FC02FDBA" author="Boggemann, M." box="[794,984,488,512]" pageId="29" pageNumber="196" pagination="251 - 428" refId="ref23406" refString="Boggemann, M. 2009. Polychaetes (Annelida) of the abyssal SE Atlantic. Organisms Diversity &amp; Evolution 9: 251 - 428. https: // doi. org / 10.1016 / j. ode. 2009.10.001" type="journal article" year="2009">Böggemann, 2009</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="A9D07CA4FFAEFF8487E0FE58FC19FDA7" authority="Hartmann-Schroder, 1975" authorityName="Hartmann-Schroder" authorityYear="1975" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="longicirrata" subGenus="Eumida">
<emphasis id="5CA4DB35FFAEFF8487E0FE58FBEBFE45" box="[992,1073,487,511]" italics="true" pageId="29" pageNumber="196">Eumida</emphasis>
(
<emphasis id="5CA4DB35FFAEFF84803EFE58FB55FE45" box="[1086,1167,487,511]" italics="true" pageId="29" pageNumber="196">Eumida</emphasis>
)
<emphasis id="5CA4DB35FFAEFF84809CFE58FAC3FE45" box="[1180,1305,487,511]" italics="true" pageId="29" pageNumber="196">longicirrata</emphasis>
<bibRefCitation id="0A417AD6FFAEFF84811DFE57FC19FDA7" author="Hartmann-Schroder, G." pageId="29" pageNumber="196" pagination="47 - 73" refId="ref25124" refString="Hartmann-Schroder, G. 1975. Polychaeten der Iberischen Tiefsee, gesammelt auf der 3. Reise der Meteor im Jahre 1966. Mitteilungen Aus Dem Hamburgischen Zoologischen Museum Und Institut 72: 47 - 73." type="journal article" year="1975">Hartmann-Schröder, 1975</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="A9D07CA4FFAEFF848004FDBAFA50FDA7" authority="(Uschakov, 1972)" baseAuthorityName="Uschakov" baseAuthorityYear="1972" box="[1028,1418,517,541]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="nuchala">
<emphasis id="5CA4DB35FFAEFF848004FDBAFB63FDA7" box="[1028,1209,517,541]" italics="true" pageId="29" pageNumber="196">Eumida nuchala</emphasis>
(
<bibRefCitation id="0A417AD6FFAEFF8480CAFDBAFA5BFDA7" author="Uschakov, P. V." box="[1226,1409,517,541]" pageId="29" pageNumber="196" pagination="1 - 272" refId="ref28085" refString="Uschakov, P. V. 1972. Fauna of the USSR. Polychaetes. Vol. I. Polychaetes of the suborder Phyllodociformia of the Polar Basin and the North-Western part of the Pacific (Family Phyllodocidae, Alciopidae, Tomopteridae, Typhloscolecidae and Lacydoniidae). Akademiya Nauk SSSR 102: 1 - 272." type="journal article" year="1972">Uschakov, 1972</bibRefCitation>
)
</taxonomicName>
. Among these, the IN2017_V03
<taxonomicName id="A9D07CA4FFAEFF848081FD9DFB0FFD80" authorityName="Malmgren" authorityYear="1865" box="[1153,1237,546,570]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="genus">
<emphasis id="5CA4DB35FFAEFF848081FD9DFB0FFD80" box="[1153,1237,546,570]" italics="true" pageId="29" pageNumber="196">Eumida</emphasis>
</taxonomicName>
specimens most closely resembled
<emphasis id="5CA4DB35FFAEFF8487E8FDFFFB4AFDED" box="[1000,1168,575,599]" italics="true" pageId="29" pageNumber="196">
<taxonomicName id="A9D07CA4FFAEFF8487E8FDFFFB57FDED" authorityName="Hartmann-Schroder" authorityYear="1975" box="[1000,1165,575,599]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="longicirrata">E. longicirrata</taxonomicName>
,
</emphasis>
which has the median antenna inserted slightly anterior to the middle of the prostomium unlike the other species where it is inserted closer to the posterior end. The other species are also distinct from the IN2017_V03 specimens in the following ways:
<taxonomicName id="A9D07CA4FFAEFF848176FD09FC8CFD50" authorityName="Eibye-Jacobsen" authorityYear="1991" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="alvini">
<emphasis id="5CA4DB35FFAEFF848176FD09FC8CFD50" italics="true" pageId="29" pageNumber="196">E. alvini</emphasis>
</taxonomicName>
have the median antenna longer than the frontal pair as well as very long tentacular and dorsal cirri;
<taxonomicName id="A9D07CA4FFAEFF848100FD4FFA57FCBD" authorityName="Boggemann" authorityYear="2009" box="[1280,1421,751,775]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="angolensis">
<emphasis id="5CA4DB35FFAEFF848100FD4FFA57FCBD" box="[1280,1421,751,775]" italics="true" pageId="29" pageNumber="196">E. angolensis</emphasis>
</taxonomicName>
have oval prostomium and “bottle-shaped” tentacular cirri (
<bibRefCitation id="0A417AD6FFAEFF848721FC95FC3FFCF8" author="Boggemann, M." box="[801,997,810,834]" pageId="29" pageNumber="196" pagination="251 - 428" refId="ref23406" refString="Boggemann, M. 2009. Polychaetes (Annelida) of the abyssal SE Atlantic. Organisms Diversity &amp; Evolution 9: 251 - 428. https: // doi. org / 10.1016 / j. ode. 2009.10.001" type="journal article" year="2009">Böggemann, 2009</bibRefCitation>
);
<taxonomicName id="A9D07CA4FFAEFF8487F5FC94FBBEFCF8" baseAuthorityName="Uschakov" baseAuthorityYear="1972" box="[1013,1124,810,834]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="nuchala">
<emphasis id="5CA4DB35FFAEFF8487F5FC94FBBEFCF8" box="[1013,1124,810,834]" italics="true" pageId="29" pageNumber="196">E. nuchala</emphasis>
</taxonomicName>
have enlarged nuchal organs and ventral cirri much longer than the parapodial lobe.
</paragraph>
<paragraph id="6E6F0727FFAEFF848738FCDAFB7CFA37" blockId="29.[793,1422,429,1802]" pageId="29" pageNumber="196">
Raised semicircular structures on the posterior end of the prostomium, described for
<taxonomicName id="A9D07CA4FFAEFF848047FC3CFB30FC20" authorityName="Hartmann-Schroder" authorityYear="1975" box="[1095,1258,898,922]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="longicirrata">
<emphasis id="5CA4DB35FFAEFF848047FC3CFB30FC20" box="[1095,1258,898,922]" italics="true" pageId="29" pageNumber="196">E. longicirrata</emphasis>
</taxonomicName>
, were difficult to observe in the IN2017_V03 specimens. This was also the case for other specimens identified as
<taxonomicName id="A9D07CA4FFAEFF8480ECFC01FBDFFC48" authority="(Ravara et al., 2017)" baseAuthorityName="Ravara" baseAuthorityYear="2017" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="longicirrata">
<emphasis id="5CA4DB35FFAEFF8480ECFC01FA57FC6F" box="[1260,1421,957,981]" italics="true" pageId="29" pageNumber="196">E. longicirrata</emphasis>
(
<bibRefCitation id="0A417AD6FFAEFF848721FC65FC26FC48" author="Ravara, A. &amp; D. Ramos &amp; M. A. L. Teixeira &amp; F. O. Costa &amp; M. R. Cunha" box="[801,1020,986,1010]" pageId="29" pageNumber="196" pagination="207 - 231" refId="ref26319" refString="Ravara, A., D. Ramos, M. A. L. Teixeira, F. O. Costa, and M. R. Cunha. 2017. Taxonomy, distribution and ecology of the order Phyllodocida (Annelida, Polychaeta) in deep-sea habitats around the Iberian margin. Deep Sea Research Part II: Tropical Studies in Oceanography 137: 207 - 231. https: // doi. org / 10.1016 / j. dsr 2.2016.08.008" type="journal article" year="2017">
Ravara
<emphasis id="5CA4DB35FFAEFF848779FC64FC63FC48" box="[889,953,986,1010]" italics="true" pageId="29" pageNumber="196">et al.,</emphasis>
2017
</bibRefCitation>
)
</taxonomicName>
. The micropapillae observed in the proboscis of the IN2017_V03 specimens is contrary to the smooth proboscis described for
<emphasis id="5CA4DB35FFAEFF8480AEFBA9FA80FB97" box="[1198,1370,1045,1069]" italics="true" pageId="29" pageNumber="196">
<taxonomicName id="A9D07CA4FFAEFF8480AEFBA9FA8CFB97" box="[1198,1366,1045,1069]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="longicirrata">E. longicirrata</taxonomicName>
.
</emphasis>
The presence of&gt;40 oral papillae (NHMUK ANEA 2022.404) is unusual since most
<taxonomicName id="A9D07CA4FFAEFF848000FBF0FB7CFBDD" box="[1024,1190,1103,1127]" pageId="29" pageNumber="196">
<emphasis id="5CA4DB35FFAEFF848000FBF0FB89FBDD" box="[1024,1107,1103,1127]" italics="true" pageId="29" pageNumber="196">Eumida</emphasis>
species
</taxonomicName>
often have 17, except for
<emphasis id="5CA4DB35FFAEFF84873EFBD1FC44FB3F" box="[830,926,1133,1157]" italics="true" pageId="29" pageNumber="196">
<taxonomicName id="A9D07CA4FFAEFF84873EFBD1FC40FB3F" authorityName="Eibye-Jacobsen" authorityYear="1991" box="[830,922,1133,1157]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="alvini">E. alvini</taxonomicName>
,
</emphasis>
which can range from 2250 (
<bibRefCitation id="0A417AD6FFAEFF8480DDFBD2FC8AFB18" author="Eibye-Jacobsen, D." pageId="29" pageNumber="196" pagination="81 - 140" refId="ref24299" refString="Eibye-Jacobsen, D. 1991. A revision of Eumida Malmgren, 1865 (Polychaeta: Phyllodocidae). Steenstrupia 17 (3): 81 - 140." type="journal article" year="1991">Eibye-Jacobsen, 1991</bibRefCitation>
). Estimates of tentacular cirri lengths, measured by the extent of reach along body segments, are similar to
<taxonomicName id="A9D07CA4FFAEFF848176FB17FC41FB67" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="longicirrata">
<emphasis id="5CA4DB35FFAEFF848176FB17FC41FB67" italics="true" pageId="29" pageNumber="196">E. longicirrata</emphasis>
</taxonomicName>
. It should be noted that live specimens were observed to have more contracted segments compared to preserved specimens (
<figureCitation id="F6EB1BA2FFAEFF848006FB40FB8FFAA2" box="[1030,1109,1279,1304]" captionStart="Figure 21" captionStartId="30.[167,235,1701,1723]" captionTargetBox="[167,1467,152,1689]" captionTargetId="figure-11@30.[167,1467,151,1689]" captionTargetPageId="30" captionText="Figure 21. Eumida cf. longicirrata. (A) Photo of a live specimen (NHMUK ANEA 2022.406), scale bar is 1 mm; (B) ventral aspect of the anterior end showing the prostomium and tentacular cirri (NHMUK ANEA 2022.407408), scale bar is 250 µm; (C) fully everted proboscis (NHMUK ANEA 2022.404), scale bar is 750 µm; (D) light micrograph of mid-body parapodium (NHMUK ANEA 2022.404), scale bar is 200 µm; (E) light micrograph of heterogomph spinigers (NHMUK ANEA 2022.404), scale bar is 50 µm; (F) light micrograph of pygidium missing one anal cirrus (NHMUK ANEA 2022.406), scale bar is 250 µm." figureDoi="http://doi.org/10.5281/zenodo.10414237" httpUri="https://zenodo.org/record/10414237/files/figure.png" pageId="29" pageNumber="196">Fig. 21</figureCitation>
), so this measurement differs between the two. Based on the illustrations of the
<typeStatus id="B16BB985FFAEFF848130FAA2FA57FA8F" box="[1328,1421,1309,1333]" pageId="29" pageNumber="196" type="holotype">holotype</typeStatus>
of
<taxonomicName id="A9D07CA4FFAEFF848737FA84FC0DFAE8" box="[823,983,1338,1362]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="longicirrata">
<emphasis id="5CA4DB35FFAEFF848737FA84FC0DFAE8" box="[823,983,1338,1362]" italics="true" pageId="29" pageNumber="196">E. longicirrata</emphasis>
</taxonomicName>
, estimates of cirri length were measured from live specimens while the IN2017_V03 specimens were measured from preserved specimens.
</paragraph>
<paragraph id="6E6F0727FFAEFF848738FA2DFA57F8B0" blockId="29.[793,1422,429,1802]" pageId="29" pageNumber="196">
Incorporating the COI sequences of IN2017_V03 specimens and all available sequences of the closely allied genus
<taxonomicName id="A9D07CA4FFAEFF848760FA72FC54FA5E" authorityName="Malmgren" authorityYear="1865" box="[864,910,1485,1508]" class="Polychaeta" family="Phyllodocidae" genus="Sige" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="genus">
<emphasis id="5CA4DB35FFAEFF848760FA72FC54FA5E" box="[864,910,1485,1508]" italics="true" pageId="29" pageNumber="196">Sige</emphasis>
</taxonomicName>
in GenBank with those used by
<bibRefCitation id="0A417AD6FFAEFF8480F6FA72FCBAF9B8" author="Teixeira, M. A. L. &amp; P. E. Vieira &amp; F. Pleijel &amp; B. R. Sampieri &amp; A. Ravara &amp; F. O. Costa &amp; A. Nygren" pageId="29" pageNumber="196" pagination="222 - 235" refId="ref27946" refString="Teixeira, M. A. L., P. E. Vieira, F. Pleijel, B. R. Sampieri, A. Ravara, F. O. Costa, and A. Nygren. 2020. Molecular and morphometric analyses identify new lineages within a large Eumida (Annelida) species complex. Zoologica Scripta 49 (2): 222 - 235. https: // doi. org / 10.1111 / zsc. 12397" type="journal article" year="2020">
Teixeira
<emphasis id="5CA4DB35FFAEFF848156FA71FA54FA5F" box="[1366,1422,1485,1509]" italics="true" pageId="29" pageNumber="196">et al.</emphasis>
(2020)
</bibRefCitation>
places these samples within a clade of
<taxonomicName id="A9D07CA4FFAEFF848101FA54FABBF9B8" box="[1281,1377,1515,1538]" class="Polychaeta" family="Phyllodocidae" genus="Sige" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="undetermined">
<emphasis id="5CA4DB35FFAEFF848101FA54FAF5F9B8" box="[1281,1327,1515,1538]" italics="true" pageId="29" pageNumber="196">Sige</emphasis>
spp.
</taxonomicName>
and sister group to
<taxonomicName id="A9D07CA4FFAEFF8487C6F9B7FAC0F9A5" authority="Malmgren, 1865" authorityName="Malmgren" authorityYear="1865" box="[966,1306,1543,1568]" class="Polychaeta" family="Phyllodocidae" genus="Sige" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="species" species="fusigera">
<emphasis id="5CA4DB35FFAEFF8487C6F9B7FB82F99A" box="[966,1112,1544,1568]" italics="true" pageId="29" pageNumber="196">Sige fusigera</emphasis>
<bibRefCitation id="0A417AD6FFAEFF848062F9B8FAC0F9A5" author="Malmgren, A. J." box="[1122,1306,1543,1567]" pageId="29" pageNumber="196" pagination="51 - 110" refId="ref25667" refString="Malmgren, A. J. 1865. Nordiska Hafs-Annulater [part one of three]. Ofversigt Af Koniglich Vetenskapsakademiens Forhandlingar, Stockholm 22 (1): 51 - 110." type="journal article" year="1865">Malmgren, 1865</bibRefCitation>
</taxonomicName>
(
<figureCitation id="F6EB1BA2FFAEFF84812CF9B8FA5BF99A" box="[1324,1409,1543,1568]" captionStart="Figure 22" captionStartId="31.[121,189,821,843]" captionTargetBox="[124,1413,155,801]" captionTargetId="figure-10@31.[121,1421,151,807]" captionTargetPageId="31" captionText="Figure 22. Phylogeny of the genus Eumida (Phyllodocidae) based on Bayesian analysis of the COI gene only. Numbers adjacent to nodes indicate posterior probabilities, and taxa for which sequences have been contributed by the present study are indicated in bold." figureDoi="http://doi.org/10.5281/zenodo.10414239" httpUri="https://zenodo.org/record/10414239/files/figure.png" pageId="29" pageNumber="196">Fig. 22</figureCitation>
). The Australian specimens, however, lack the characteristic pointed superior parapodial lobe of other
<taxonomicName id="A9D07CA4FFAEFF848102F9FCFA57F9E0" box="[1282,1421,1602,1626]" pageId="29" pageNumber="196">
<emphasis id="5CA4DB35FFAEFF848102F9FCFAE8F9E0" box="[1282,1330,1603,1626]" italics="true" pageId="29" pageNumber="196">Sige</emphasis>
species
</taxonomicName>
(
<bibRefCitation id="0A417AD6FFAEFF848721F9E0FC33F9C2" author="Eklof, J. &amp; F. Pleijel &amp; P. Sundberg" box="[801,1001,1631,1656]" pageId="29" pageNumber="196" pagination="261 - 271" refId="ref24328" refString="Eklof, J., F. Pleijel, and P. Sundberg. 2007. Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data. Molecular Phylogenetics and Evolution 45 (1): 261 - 271. https: // doi. org / 10.1016 / j. ympev. 2007.04.015" type="journal article" year="2007">
Eklöf
<emphasis id="5CA4DB35FFAEFF848767F9DFFC7CF9CD" box="[871,934,1631,1655]" italics="true" pageId="29" pageNumber="196">et al.,</emphasis>
2007
</bibRefCitation>
).
<bibRefCitation id="0A417AD6FFAEFF8487FDF9DFFAD2F9C2" author="San Martin, G. &amp; P. Alvarez-Campos &amp; Y. Kondo &amp; J. Nunez &amp; M. A. Fernandez-Alamo &amp; F. Pleijel &amp; F. E. Goetz &amp; A. Nygren &amp; K. Osborn" box="[1021,1288,1631,1656]" pageId="29" pageNumber="196" pagination="672 - 694" refId="ref26950" refString="San Martin, G., P. Alvarez-Campos, Y. Kondo, J. Nunez, M. A. Fernandez-Alamo, F. Pleijel, F. E. Goetz, A. Nygren, and K. Osborn. 2021. New symbiotic association in marine annelids: ectoparasites of comb jellies. Zoological Journal of the Linnean Society 191 (3): 672 - 694. https: // doi. org / 10.1093 / zoolinnean / zlaa 034" type="journal article" year="2021">
San Martín
<emphasis id="5CA4DB35FFAEFF848080F9DFFB62F9CD" box="[1152,1208,1631,1655]" italics="true" pageId="29" pageNumber="196">et al.</emphasis>
(2021)
</bibRefCitation>
found
<emphasis id="5CA4DB35FFAEFF848159F9DFFCB7F92F" italics="true" pageId="29" pageNumber="196">
<taxonomicName id="A9D07CA4FFAEFF848159F9DFFA53F9CD" authorityName="Malmgren" authorityYear="1865" box="[1369,1417,1632,1655]" class="Polychaeta" family="Phyllodocidae" genus="Sige" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="genus">Sige</taxonomicName>
,
<taxonomicName id="A9D07CA4FFAEFF84871AF9C2FCB7F92F" authorityName="Malmgren" authorityYear="1865" box="[794,877,1661,1685]" class="Polychaeta" family="Phyllodocidae" genus="Eumida" kingdom="Animalia" order="Phyllodocida" pageId="29" pageNumber="196" phylum="Annelida" rank="genus">Eumida</taxonomicName>
</emphasis>
and other closely related genera to be paraphyletic and polyphyletic in their analyses. Further investigation is warranted to explore the relationship among these genera. This is the first report of eyeless
<taxonomicName id="A9D07CA4FFAEFF848067F96AFAD1F957" box="[1127,1291,1749,1773]" pageId="29" pageNumber="196">
<emphasis id="5CA4DB35FFAEFF848067F96AFB63F957" box="[1127,1209,1749,1773]" italics="true" pageId="29" pageNumber="196">Eumida</emphasis>
species
</taxonomicName>
occurring at
<quantity id="A928AAC2FFAEFF84871AF94DFCB6F8B0" box="[794,876,1778,1802]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="29" pageNumber="196" unit="m" value="1000.0">1000 m</quantity>
. Previous records were collected at depths&gt;
<quantity id="A928AAC2FFAEFF848137F94DFA50F8B0" box="[1335,1418,1778,1802]" metricMagnitude="3" metricUnit="m" metricValue="3.0" pageId="29" pageNumber="196" unit="m" value="3000.0">3000 m</quantity>
.
</paragraph>
</subSubSection>
</treatment>
</document>