treatments-xml/data/85/7C/86/857C86680E76FFF7B9F139C1FDE0EFA3.xml
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<document id="44774F39E2F2480FCEE8E438FBB53D97" ID-CLB-Dataset="8799" ID-DOI="10.11646/zootaxa.4821.3.4" ID-GBIF-Dataset="30186aa6-d5ef-4204-907b-1b6bc37af396" ID-ISSN="1175-5326" ID-Zenodo-Dep="4401032" ID-ZooBank="F5D6CEBE-B8BC-4F73-85F7-EB3698A69512" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1609332003777" checkinUser="plazi" docAuthor="Zhang, Jinghuai, Hutchings, Pat, Burghardt, Ingo &amp; Kupriyanova, Elena" docDate="2020" docId="857C86680E76FFF7B9F139C1FDE0EFA3" docLanguage="en" docName="zootaxa.4821.3.4.pdf" docOrigin="Zootaxa 4821 (3)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Gesaia csiro Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova 2020, n. sp." docType="treatment" docUuid="D15FCEE3-10E2-4749-B4F3-E4E549A2ADDD" docUuidSource="ZooBank" docVersion="7" lastPageNumber="497" masterDocId="7945FE100E72FFFDB9663F3CFFD4E939" masterDocTitle="Two new species of Sabellariidae (Annelida, Polychaeta) from the abyss of eastern Australia" masterLastPageNumber="510" masterPageNumber="487" pageNumber="491" updateTime="1698849556444" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="C17ED851238AC4D7411239BDF9EB2B3B">Two new species of Sabellariidae (Annelida, Polychaeta) from the abyss of eastern Australia</mods:title>
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<mods:namePart id="9DE7C92D741676D1AD7E8BA4FAB9A81B">Zhang, Jinghuai</mods:namePart>
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<mods:affiliation id="55EB3BAB9D1C65E30160839BDCE034E8">South China Sea Environmental Monitoring Center, State Oceanic Administration, 155 Xingangxi Road, Guangzhou, P. R. China Australian Museum Research Institute, Australian Museum, 1, William Street, 2010, New South Wales, Australia. &amp; Department of Biological Sciences, Macquarie University, North Ryde 2109, Australia &amp; zhangjinghuai @ sohu. com; https: // orcid. org / 0000 - 0003 - 4745 - 6462</mods:affiliation>
<mods:nameIdentifier id="F1E1B5FA9861219DBE65D8F042FD9862" type="email">zhangjinghuai@sohu.com</mods:nameIdentifier>
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<mods:namePart id="DF40E73347942DAB6197B0BE0380D7F4">Hutchings, Pat</mods:namePart>
<mods:affiliation id="3F61440D9DE00F7A059396C1A2FF7E71">Department of Biological Sciences, Macquarie University, North Ryde 2109, Australia</mods:affiliation>
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<mods:namePart id="C21440FDD7F1C2244412A288C5D0277F">Burghardt, Ingo</mods:namePart>
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<mods:affiliation id="A68D2AC6B124562A693FBE59C00265A3">Ingo. burghardt @ austmus. gov. au; https: // orcid. org / 0000 - 0001 - 5251 - 1708</mods:affiliation>
<mods:nameIdentifier id="4F182984AA438E619C75A8B3901EF951" type="email">ngo.burghardt@austmus.gov.au</mods:nameIdentifier>
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<mods:namePart id="9C2E5560121826EC5617816C422F4486">Kupriyanova, Elena</mods:namePart>
<mods:nameIdentifier id="A4B3B15926227E9AF0F2E70E4FABB561" type="ORCID">0000-0003-0336-4718</mods:nameIdentifier>
<mods:affiliation id="F94C5AFE01B7C8DCDA9122E52A728E7B">Department of Biological Sciences, Macquarie University, North Ryde 2109, Australia &amp; Elena. kupriyanova @ austmus. gov. au; https: // orcid. org / 0000 - 0003 - 0336 - 4718</mods:affiliation>
<mods:nameIdentifier id="80F88BA7435AD6D06BFDAAA92AE2CC7E" type="email">lena.kupriyanova@austmus.gov.au</mods:nameIdentifier>
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<mods:date id="0D0E1B63E28EDA218E0254A5A66ABDCF">2020</mods:date>
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<treatment id="857C86680E76FFF7B9F139C1FDE0EFA3" ID-DOI="http://doi.org/10.5281/zenodo.4401069" ID-GBIF-Taxon="177008358" ID-Zenodo-Dep="4401069" LSID="urn:lsid:zoobank.org:act:D15FCEE3-10E2-4749-B4F3-E4E549A2ADDD" httpUri="http://treatment.plazi.org/id/857C86680E76FFF7B9F139C1FDE0EFA3" lastPageId="10" lastPageNumber="497" pageId="4" pageNumber="491">
<subSubSection id="45CF64F50E76FFF9B9F139C1FEA2EE21" box="[151,374,1789,1816]" pageId="4" pageNumber="491" type="nomenclature">
<paragraph id="0D6A377E0E76FFF9B9F139C1FEA2EE21" blockId="4.[151,380,1789,1852]" box="[151,374,1789,1816]" pageId="4" pageNumber="491">
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<emphasis id="3FA1EB6C0E76FFF9B9F139C1FEA2EE21" bold="true" box="[151,374,1789,1816]" pageId="4" pageNumber="491">
<taxonomicName id="CAD54CFD0E76FFF9B9F139C1FEF9EE2E" ID-CoL="85RDJ" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[151,301,1789,1815]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="4" pageNumber="491" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E76FFF9B9F139C1FEF9EE2E" bold="true" box="[151,301,1789,1815]" italics="true" pageId="4" pageNumber="491">Gesaia csiro</emphasis>
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<taxonomicNameLabel id="249256170E76FFF9B85239C2FEA2EE21" box="[308,374,1790,1816]" pageId="4" pageNumber="491" rank="species">n. sp.</taxonomicNameLabel>
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<paragraph id="0D6A377E0E76FFF9B9F1381DFEA8EE05" blockId="4.[151,380,1789,1852]" box="[151,380,1825,1852]" pageId="4" pageNumber="491">
<figureCitation id="95EE2BFB0E76FFF9B9F1381DFECAEE05" box="[151,286,1825,1852]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStart-2="FIGURE 4" captionStart-3="FIGURE 5" captionStartId-0="5.[151,250,1897,1921]" captionStartId-1="6.[151,250,1921,1945]" captionStartId-2="7.[151,250,1918,1942]" captionStartId-3="9.[151,250,1773,1797]" captionTargetBox-0="[162,1425,453,1871]" captionTargetBox-1="[157,1430,181,1897]" captionTargetBox-2="[151,1436,1137,1895]" captionTargetBox-3="[151,1436,181,1750]" captionTargetId-0="figure-146@5.[162,1425,453,1874]" captionTargetId-1="figure-22@6.[157,1430,181,1897]" captionTargetId-2="figure-406@7.[151,1436,1137,1895]" captionTargetId-3="figure-17@9.[151,1436,181,1750]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionTargetPageId-2="7" captionTargetPageId-3="9" captionText-0="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." captionText-1="FIGURE 3. Photos of Gesaia csiro n. sp. holotype (AM W.49506). A. Anterior end with tube (anterior parts broken), lateral view. B. Entire body, lateral view. C. Entire body, ventral view. DE. Close-up view of nuchal hooks. F. Anus. Abbreviations: br1, branchia of chaetiger 2; ca, cauda; nh, nuchal hooks; op, outer paleae; opa, opercular papilla; s, segment; tf, tentacular filaments." captionText-2="FIGURE 4. SEM of Gesaia csiro n. sp. (AM W.50680.004). A. Anterior end, dorso-lateral view. B. Anterior end, ventral view. C. Close-up view of buccal cavity. Abbreviations: bo, buccal organ; br, branchiae; ip, inner paleae; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." captionText-3="FIGURE 5. SEM micrographs of Gesaia csiro n. sp. chaetae (AM W.50680.004).AD. Close-up view of proximal (A), middle (B), middle distal (C), and distalmost parts (D) of outer paleae. E. Neuropodium from segment 4. F. Close-up view of neurochaetae from segment 4. G. Notopodial lanceolate chaetae from parathoracic segment. H. Abdominal notopodial uncini." figureDoi-0="http://doi.org/10.5281/zenodo.4401038" figureDoi-1="http://doi.org/10.5281/zenodo.4401040" figureDoi-2="http://doi.org/10.5281/zenodo.4401044" figureDoi-3="http://doi.org/10.5281/zenodo.4401047" httpUri-0="https://zenodo.org/record/4401038/files/figure.png" httpUri-1="https://zenodo.org/record/4401040/files/figure.png" httpUri-2="https://zenodo.org/record/4401044/files/figure.png" httpUri-3="https://zenodo.org/record/4401047/files/figure.png" pageId="4" pageNumber="491">Figures 25</figureCitation>
,
<tableCitation id="405702C50E76FFF9B84C381DFEA8EE05" box="[298,380,1825,1852]" captionStart="TABLE 2" captionStartId="8.[144,236,707,733]" captionText="TABLE 2. Diagnostic characters of species of Gesaia." pageId="4" pageNumber="491">Table 2</tableCitation>
</paragraph>
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<emphasis id="3FA1EB6C0E76FFF9B9F13855FE54EEBA" bold="true" box="[151,384,1897,1923]" pageId="4" pageNumber="491">Material examined.</emphasis>
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<emphasis id="3FA1EB6C0E76FFF9B8E03856FE27EEBD" bold="true" box="[390,499,1898,1924]" pageId="4" pageNumber="491">
<typeStatus id="D26E89DC0E76FFF9B8E03856FE27EEBD" box="[390,499,1898,1924]" pageId="4" pageNumber="491" type="holotype">Holotype</typeStatus>
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with tube,
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, 30º15.798´
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, 153º51.522´
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,
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, Brenke epibenthic sledge,
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6
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June 2017
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,
<collectionCode id="6BC4AFBB0E76FFF9BBE238B2FD65EE91" box="[644,689,1934,1960]" country="Australia" name="Australian Museum" pageId="4" pageNumber="491" type="Museum">AM</collectionCode>
W.49506.
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</paragraph>
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<typeStatus id="D26E89DC0E76FFF9B9A1388EFE97EEF5" box="[199,323,1970,1996]" pageId="4" pageNumber="491" type="paratype">Paratypes</typeStatus>
: St. 88
</emphasis>
, 30º15.840´
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, 153º52.2´
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,
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, beam trawl,
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6
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,
<collectionCode id="6BC4AFBB0E76FFF9B9BB38EAFEDEEEC9" box="[221,266,2006,2032]" country="Australia" name="Australian Museum" pageId="4" pageNumber="491" type="Museum">AM</collectionCode>
W.50680, 140 specs
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;
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<collectionCode id="6BC4AFBB0E76FFF9BB6038EAFDE7EEC9" box="[518,563,2006,2032]" country="Australia" name="Australian Museum" pageId="4" pageNumber="491" type="Museum">AM</collectionCode>
W.50681, 12 specs, W.50681.001 (tissue sample taken).
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, 30º15.798´
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153º51.522´
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,
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, Brenke epibenthic sledge
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,
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<collectingDate id="692FE8560E77FFF8BD243FABFB0FE988" box="[1090,1243,150,177]" pageId="5" pageNumber="492" value="2017-06-06">
6
<superScript id="FAA09A360E77FFF8BD363FAAFB89E99D" attach="left" box="[1104,1117,150,164]" fontSize="6" pageId="5" pageNumber="492">th</superScript>
June 2017
</collectingDate>
</date>
,
<collectionCode id="6BC4AFBB0E77FFF8BD833FABFAC6E988" box="[1253,1298,151,177]" country="Australia" name="Australian Museum" pageId="5" pageNumber="492" type="Museum">AM</collectionCode>
W.52780, 4 specs
</materialsCitation>
;
<collectionCode id="6BC4AFBB0E77FFF8B9873F87FEDAE9EC" box="[225,270,187,213]" country="Australia" name="Australian Museum" pageId="5" pageNumber="492" type="Museum">AM</collectionCode>
W.50680.001 to
<collectionCode id="6BC4AFBB0E77FFF8B8AB3F87FE2EE9EC" box="[461,506,187,213]" country="Australia" name="Australian Museum" pageId="5" pageNumber="492" type="Museum">AM</collectionCode>
W.50680.004, 4 dry specs, mounted on
<collectionCode id="6BC4AFBB0E77FFF8BADA3F87FC22E9EC" box="[956,1014,187,213]" pageId="5" pageNumber="492">SEM</collectionCode>
stubs.
</paragraph>
<paragraph id="0D6A377E0E77FFF8B9A13FE2FA4FE87B" blockId="5.[151,1436,150,429]" pageId="5" pageNumber="492">
<emphasis id="3FA1EB6C0E77FFF8B9A13FE2FE26E9C1" bold="true" box="[199,498,222,248]" pageId="5" pageNumber="492">Other material examined</emphasis>
:
<emphasis id="3FA1EB6C0E77FFF8BB643FE2FD90E9C1" bold="true" box="[514,580,222,248]" pageId="5" pageNumber="492">St. 89</emphasis>
, 30º15.798´
<geoCoordinate id="68E151B90E77FFF8BBBA3FE2FCB5E9C0" box="[732,865,222,249]" degrees="30" direction="south" minutes="17.358" orientation="latitude" pageId="5" pageNumber="492" precision="1" value="-30.2893">30º17.358´S</geoCoordinate>
153º51.522´
<geoCoordinate id="68E151B90E77FFF8BD663FE2FB43E9C0" box="[1024,1175,222,249]" degrees="153" direction="east" minutes="50.628" orientation="longitude" pageId="5" pageNumber="492" precision="1" value="153.8438">153º50.628´E</geoCoordinate>
,
<quantity id="CA2D9A9B0E77FFF8BDC23FE3FA94E9C0" box="[1188,1344,223,249]" metricMagnitude="3" metricUnit="m" metricValue="4.425" metricValueMax="4.436" metricValueMin="4.414" pageId="5" pageNumber="492" unit="m" value="4425.0" valueMax="4436.0" valueMin="4414.0">44144436 m</quantity>
,
<materialsCitation id="BDBD3D230E77FFF8BC2B3FE3FA41E825" ID-GBIF-Occurrence="3019614309" collectingDate="2017-06-06" collectingDateMax="2017-06-07" collectingDateMin="2017-06-06" collectionCode="AM" pageId="5" pageNumber="492" specimenCount="1">
Brenke epibenthic sledge,
<date id="796B11BE0E77FFF8B80E3E3FFDC8E824" box="[360,540,258,285]" pageId="5" pageNumber="492" value="2017-06-06" valueMax="2017-06-07" valueMin="2017-06-06">
<collectingDate id="692FE8560E77FFF8B80E3E3FFDC8E824" box="[360,540,258,285]" pageId="5" pageNumber="492" value="2017-06-06" valueMax="2017-06-07" valueMin="2017-06-06">
67
<superScript id="FAA09A360E77FFF8B8F73E3EFE4AE829" attach="left" box="[401,414,258,272]" fontSize="6" pageId="5" pageNumber="492">th</superScript>
June 2017
</collectingDate>
</date>
,
<collectionCode id="6BC4AFBB0E77FFF8BB4E3E3FFD81E824" box="[552,597,259,285]" country="Australia" name="Australian Museum" pageId="5" pageNumber="492" type="Museum">AM</collectionCode>
W.50678, 29 specs;
<collectionCode id="6BC4AFBB0E77FFF8BA263E3FFCB9E824" box="[832,877,259,285]" country="Australia" name="Australian Museum" pageId="5" pageNumber="492" type="Museum">AM</collectionCode>
W.50679, 11 specs (tissue sample taken);
<emphasis id="3FA1EB6C0E77FFF8BC2B3E3EFA41E825" bold="true" box="[1357,1429,258,284]" pageId="5" pageNumber="492">St.128</emphasis>
</materialsCitation>
,
<geoCoordinate id="68E151B90E77FFF8B9F13E1BFEFBE878" box="[151,303,295,321]" degrees="23" direction="south" minutes="37.8667" orientation="latitude" pageId="5" pageNumber="492" precision="1" value="-23.631111">23°37.8667S</geoCoordinate>
<geoCoordinate id="68E151B90E77FFF8B8503E1AFE0BE878" box="[310,479,294,321]" degrees="154" direction="east" minutes="39.5833" orientation="longitude" pageId="5" pageNumber="492" precision="1" value="154.65973">154°39.5833E</geoCoordinate>
,
<quantity id="CA2D9A9B0E77FFF8B88C3E1BFD50E878" box="[490,644,295,321]" metricMagnitude="3" metricUnit="m" metricValue="1.7655" metricValueMax="1.77" metricValueMin="1.761" pageId="5" pageNumber="492" unit="m" value="1765.5" valueMax="1770.0" valueMin="1761.0">17611770 m</quantity>
, 13
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June 201, beam trawl,
<collectionCode id="6BC4AFBB0E77FFF8BAD23E1BFC35E878" box="[948,993,295,321]" country="Australia" name="Australian Museum" pageId="5" pageNumber="492" type="Museum">AM</collectionCode>
W.50677, 7 specs (tissue sample taken).
</paragraph>
</subSubSection>
<subSubSection id="45CF64F50E77FFF7B9A13E76FE19E823" lastPageId="10" lastPageNumber="497" pageId="5" pageNumber="492" type="description">
<paragraph id="0D6A377E0E77FFF8B9A13E76FB65E894" blockId="5.[151,1436,150,429]" pageId="5" pageNumber="492">
<emphasis id="3FA1EB6C0E77FFF8B9A13E76FE85E85D" bold="true" box="[199,337,330,356]" pageId="5" pageNumber="492">Description</emphasis>
.
<typeStatus id="D26E89DC0E77FFF8B8063E77FE1CE85C" box="[352,456,331,357]" pageId="5" pageNumber="492" type="holotype">Holotype</typeStatus>
white after preservation in alcohol. Body tapering from abdomen to cauda, long cauda folded back onto ventrum.
<typeStatus id="D26E89DC0E77FFF8B8A13E53FDFBE8B0" box="[455,559,367,393]" pageId="5" pageNumber="492" type="holotype">Holotype</typeStatus>
<quantity id="CA2D9A9B0E77FFF8BB503E52FD4EE8B0" box="[566,666,366,393]" metricMagnitude="-2" metricUnit="m" metricValue="1.45" pageId="5" pageNumber="492" unit="mm" value="14.5">14.5 mm</quantity>
in body length (length of paleae
<quantity id="CA2D9A9B0E77FFF8BD683E53FB86E8B0" box="[1038,1106,367,393]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="5" pageNumber="492" unit="mm" value="4.0">4 mm</quantity>
, of operculum and thorax
<quantity id="CA2D9A9B0E77FFF8BC1F3E52FF11E894" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="5" pageNumber="492" unit="mm" value="2.5">2.5 mm</quantity>
, of abdomen
<quantity id="CA2D9A9B0E77FFF8B83B3EAFFE4AE894" box="[349,414,403,429]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="5" pageNumber="492" unit="mm" value="6.0">6 mm</quantity>
and of cauda
<quantity id="CA2D9A9B0E77FFF8BB5C3EAFFDABE894" box="[570,639,403,429]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="5" pageNumber="492" unit="mm" value="2.0">2 mm</quantity>
);
<quantity id="CA2D9A9B0E77FFF8BBF53EAFFD3DE894" box="[659,745,403,429]" metricMagnitude="-3" metricUnit="m" metricValue="1.7" pageId="5" pageNumber="492" unit="mm" value="1.7">1.7 mm</quantity>
maximum body width (
<figureCitation id="95EE2BFB0E77FFF8BA903EAFFB87E894" box="[1014,1107,403,429]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="5" pageNumber="492">Figs 2A</figureCitation>
,
<figureCitation id="95EE2BFB0E77FFF8BD393EAFFBB8E894" box="[1119,1132,403,429]" captionStart="FIGURE 3" captionStartId="6.[151,250,1921,1945]" captionTargetBox="[157,1430,181,1897]" captionTargetId="figure-22@6.[157,1430,181,1897]" captionTargetPageId="6" captionText="FIGURE 3. Photos of Gesaia csiro n. sp. holotype (AM W.49506). A. Anterior end with tube (anterior parts broken), lateral view. B. Entire body, lateral view. C. Entire body, ventral view. DE. Close-up view of nuchal hooks. F. Anus. Abbreviations: br1, branchia of chaetiger 2; ca, cauda; nh, nuchal hooks; op, outer paleae; opa, opercular papilla; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401040" httpUri="https://zenodo.org/record/4401040/files/figure.png" pageId="5" pageNumber="492">3</figureCitation>
BC).
</paragraph>
<caption id="59AA67F60E77FFF8B9F13855FD50EED4" ID-DOI="http://doi.org/10.5281/zenodo.4401038" ID-Zenodo-Dep="4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="5" pageNumber="492" startId="5.[151,250,1897,1921]" targetBox="[162,1425,453,1871]" targetPageId="5">
<paragraph id="0D6A377E0E77FFF8B9F13855FD50EED4" blockId="5.[151,1437,1897,2030]" pageId="5" pageNumber="492">
<emphasis id="3FA1EB6C0E77FFF8B9F13855FEC6EEB8" bold="true" box="[151,274,1897,1921]" pageId="5" pageNumber="492">FIGURE 2.</emphasis>
Line drawings of
<taxonomicName id="CAD54CFD0E77FFF8B8AA3856FD98EEB8" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[460,588,1898,1921]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="5" pageNumber="492" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E77FFF8B8AA3856FD98EEB8" box="[460,588,1898,1921]" italics="true" pageId="5" pageNumber="492">Gesaia csiro</emphasis>
</taxonomicName>
<emphasis id="3FA1EB6C0E77FFF8BB373856FD5EEEBB" bold="true" box="[593,650,1898,1922]" pageId="5" pageNumber="492">
<taxonomicNameLabel id="249256170E77FFF8BB373856FD5EEEBB" box="[593,650,1898,1922]" pageId="5" pageNumber="492" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments.
</paragraph>
</caption>
<caption id="59AA67F60E74FFFBB9F138BDFA5AEED8" ID-DOI="http://doi.org/10.5281/zenodo.4401040" ID-Zenodo-Dep="4401040" httpUri="https://zenodo.org/record/4401040/files/figure.png" pageId="6" pageNumber="493" startId="6.[151,250,1921,1945]" targetBox="[157,1430,181,1897]" targetPageId="6">
<paragraph id="0D6A377E0E74FFFBB9F138BDFA5AEED8" blockId="6.[151,1436,1921,2018]" pageId="6" pageNumber="493">
<emphasis id="3FA1EB6C0E74FFFBB9F138BDFEC0EEA0" bold="true" box="[151,276,1921,1945]" pageId="6" pageNumber="493">FIGURE 3.</emphasis>
Photos of
<taxonomicName id="CAD54CFD0E74FFFBB8E338BEFDD2EEA0" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[389,518,1922,1945]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="6" pageNumber="493" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E74FFFBB8E338BEFDD2EEA0" box="[389,518,1922,1945]" italics="true" pageId="6" pageNumber="493">Gesaia csiro</emphasis>
</taxonomicName>
<emphasis id="3FA1EB6C0E74FFFBBB6838BEFD9CEEA3" bold="true" box="[526,584,1922,1946]" pageId="6" pageNumber="493">
<taxonomicNameLabel id="249256170E74FFFBBB6838BEFD9CEEA3" box="[526,584,1922,1946]" pageId="6" pageNumber="493" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
holotype (AM W.49506). A. Anterior end with tube (anterior parts broken), lateral view. B. Entire body, lateral view. C. Entire body, ventral view. DE. Close-up view of nuchal hooks. F. Anus. Abbreviations: br1, branchia of chaetiger 2; ca, cauda; nh, nuchal hooks; op, outer paleae; opa, opercular papilla; s, segment; tf, tentacular filaments.
</paragraph>
</caption>
<paragraph id="0D6A377E0E75FFFAB9A13FABFF1EE8B0" blockId="7.[151,1437,151,1113]" pageId="7" pageNumber="494">
Operculum completely divided into two elongated lobes with distal ends perpendicular to longitudinal axis (
<figureCitation id="95EE2BFB0E75FFFAB9F93F87FF31E9EC" box="[159,229,187,213]" captionStart="FIGURE 3" captionStartId="6.[151,250,1921,1945]" captionTargetBox="[157,1430,181,1897]" captionTargetId="figure-22@6.[157,1430,181,1897]" captionTargetPageId="6" captionText="FIGURE 3. Photos of Gesaia csiro n. sp. holotype (AM W.49506). A. Anterior end with tube (anterior parts broken), lateral view. B. Entire body, lateral view. C. Entire body, ventral view. DE. Close-up view of nuchal hooks. F. Anus. Abbreviations: br1, branchia of chaetiger 2; ca, cauda; nh, nuchal hooks; op, outer paleae; opa, opercular papilla; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401040" httpUri="https://zenodo.org/record/4401040/files/figure.png" pageId="7" pageNumber="494">Figs 3</figureCitation>
BC, 4A). Operculum with 22 pairs of outer paleae, arranged in a circle around opercular lobes (
<figureCitation id="95EE2BFB0E75FFFABC533F87FA5BE9EC" box="[1333,1423,187,213]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Fig. 2C</figureCitation>
); outer paleae golden, slightly flattened, elongated, ending in fine tips rolled inward (
<figureCitation id="95EE2BFB0E75FFFABD5C3FE3FB6CE9C0" box="[1082,1208,223,249]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2A, C</figureCitation>
,
<figureCitation id="95EE2BFB0E75FFFABDA53FE3FB1BE9C0" box="[1219,1231,223,249]" captionStart="FIGURE 3" captionStartId="6.[151,250,1921,1945]" captionTargetBox="[157,1430,181,1897]" captionTargetId="figure-22@6.[157,1430,181,1897]" captionTargetPageId="6" captionText="FIGURE 3. Photos of Gesaia csiro n. sp. holotype (AM W.49506). A. Anterior end with tube (anterior parts broken), lateral view. B. Entire body, lateral view. C. Entire body, ventral view. DE. Close-up view of nuchal hooks. F. Anus. Abbreviations: br1, branchia of chaetiger 2; ca, cauda; nh, nuchal hooks; op, outer paleae; opa, opercular papilla; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401040" httpUri="https://zenodo.org/record/4401040/files/figure.png" pageId="7" pageNumber="494">3</figureCitation>
AC, 4B). Thecae ornamented, arranged diagonally; basal thecae complete, with slightly serrated distal edges (
<figureCitation id="95EE2BFB0E75FFFABDD93E3FFAC9E824" box="[1215,1309,258,285]" captionStart="FIGURE 5" captionStartId="9.[151,250,1773,1797]" captionTargetBox="[151,1436,181,1750]" captionTargetId="figure-17@9.[151,1436,181,1750]" captionTargetPageId="9" captionText="FIGURE 5. SEM micrographs of Gesaia csiro n. sp. chaetae (AM W.50680.004).AD. Close-up view of proximal (A), middle (B), middle distal (C), and distalmost parts (D) of outer paleae. E. Neuropodium from segment 4. F. Close-up view of neurochaetae from segment 4. G. Notopodial lanceolate chaetae from parathoracic segment. H. Abdominal notopodial uncini." figureDoi="http://doi.org/10.5281/zenodo.4401047" httpUri="https://zenodo.org/record/4401047/files/figure.png" pageId="7" pageNumber="494">Fig. 5A</figureCitation>
); thecae of middle part complete, distal edges slightly-expanded with weakly serrated margins (
<figureCitation id="95EE2BFB0E75FFFABD223E1BFB4EE878" box="[1092,1178,294,321]" captionStart="FIGURE 5" captionStartId="9.[151,250,1773,1797]" captionTargetBox="[151,1436,181,1750]" captionTargetId="figure-17@9.[151,1436,181,1750]" captionTargetPageId="9" captionText="FIGURE 5. SEM micrographs of Gesaia csiro n. sp. chaetae (AM W.50680.004).AD. Close-up view of proximal (A), middle (B), middle distal (C), and distalmost parts (D) of outer paleae. E. Neuropodium from segment 4. F. Close-up view of neurochaetae from segment 4. G. Notopodial lanceolate chaetae from parathoracic segment. H. Abdominal notopodial uncini." figureDoi="http://doi.org/10.5281/zenodo.4401047" httpUri="https://zenodo.org/record/4401047/files/figure.png" pageId="7" pageNumber="494">Fig. 5B</figureCitation>
) and with short irregular distal fringes (
<figureCitation id="95EE2BFB0E75FFFAB83C3E77FE66E85C" box="[346,434,330,357]" captionStart="FIGURE 5" captionStartId="9.[151,250,1773,1797]" captionTargetBox="[151,1436,181,1750]" captionTargetId="figure-17@9.[151,1436,181,1750]" captionTargetPageId="9" captionText="FIGURE 5. SEM micrographs of Gesaia csiro n. sp. chaetae (AM W.50680.004).AD. Close-up view of proximal (A), middle (B), middle distal (C), and distalmost parts (D) of outer paleae. E. Neuropodium from segment 4. F. Close-up view of neurochaetae from segment 4. G. Notopodial lanceolate chaetae from parathoracic segment. H. Abdominal notopodial uncini." figureDoi="http://doi.org/10.5281/zenodo.4401047" httpUri="https://zenodo.org/record/4401047/files/figure.png" pageId="7" pageNumber="494">Fig. 5C</figureCitation>
); thecae of distal part with elongated tips, and margins with heavily serrated margins (
<figureCitation id="95EE2BFB0E75FFFABC093E77FF68E8B0" captionStart="FIGURE 5" captionStartId="9.[151,250,1773,1797]" captionTargetBox="[151,1436,181,1750]" captionTargetId="figure-17@9.[151,1436,181,1750]" captionTargetPageId="9" captionText="FIGURE 5. SEM micrographs of Gesaia csiro n. sp. chaetae (AM W.50680.004).AD. Close-up view of proximal (A), middle (B), middle distal (C), and distalmost parts (D) of outer paleae. E. Neuropodium from segment 4. F. Close-up view of neurochaetae from segment 4. G. Notopodial lanceolate chaetae from parathoracic segment. H. Abdominal notopodial uncini." figureDoi="http://doi.org/10.5281/zenodo.4401047" httpUri="https://zenodo.org/record/4401047/files/figure.png" pageId="7" pageNumber="494">Fig. 5D</figureCitation>
).
</paragraph>
<paragraph id="0D6A377E0E75FFFAB9A13EAFFD87E8E8" blockId="7.[151,1437,151,1113]" pageId="7" pageNumber="494">
Two inner paleae on each opercular lobe; these paleae straight, circular in cross-section, golden, with smooth surface and tapering tips (
<figureCitation id="95EE2BFB0E75FFFAB8DE3E8BFDC0E8E8" box="[440,532,439,465]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2C</figureCitation>
,
<figureCitation id="95EE2BFB0E75FFFABB463E8BFD92E8E8" box="[544,582,439,465]" captionStart="FIGURE 4" captionStartId="7.[151,250,1918,1942]" captionTargetBox="[151,1436,1137,1895]" captionTargetId="figure-406@7.[151,1436,1137,1895]" captionTargetPageId="7" captionText="FIGURE 4. SEM of Gesaia csiro n. sp. (AM W.50680.004). A. Anterior end, dorso-lateral view. B. Anterior end, ventral view. C. Close-up view of buccal cavity. Abbreviations: bo, buccal organ; br, branchiae; ip, inner paleae; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401044" httpUri="https://zenodo.org/record/4401044/files/figure.png" pageId="7" pageNumber="494">4A</figureCitation>
).
</paragraph>
<paragraph id="0D6A377E0E75FFFAB9A13EE7FEA8EB20" blockId="7.[151,1437,151,1113]" pageId="7" pageNumber="494">
Six pairs of opercular papillae, arranged spirally from nuchal hooks to ventral-inner distal end of operculum (
<figureCitation id="95EE2BFB0E75FFFAB9F93EC3FF32EB20" box="[159,230,511,537]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2</figureCitation>
AB, 4AC).
</paragraph>
<paragraph id="0D6A377E0E75FFFAB9A13D1FFABEEBBC" blockId="7.[151,1437,151,1113]" pageId="7" pageNumber="494">
A pair of cylindrical nuchal hooks, conspicuously curved without limbation (
<figureCitation id="95EE2BFB0E75FFFABD563D1FFB59EB04" box="[1072,1165,547,573]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2B</figureCitation>
,
<figureCitation id="95EE2BFB0E75FFFABDFF3D1FFB68EB04" box="[1177,1212,547,573]" captionStart="FIGURE 3" captionStartId="6.[151,250,1921,1945]" captionTargetBox="[157,1430,181,1897]" captionTargetId="figure-22@6.[157,1430,181,1897]" captionTargetPageId="6" captionText="FIGURE 3. Photos of Gesaia csiro n. sp. holotype (AM W.49506). A. Anterior end with tube (anterior parts broken), lateral view. B. Entire body, lateral view. C. Entire body, ventral view. DE. Close-up view of nuchal hooks. F. Anus. Abbreviations: br1, branchia of chaetiger 2; ca, cauda; nh, nuchal hooks; op, outer paleae; opa, opercular papilla; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401040" httpUri="https://zenodo.org/record/4401040/files/figure.png" pageId="7" pageNumber="494">3B</figureCitation>
, DE, 4A). A small medial organ at dorsal junction of opercular lobes (
<figureCitation id="95EE2BFB0E75FFFABBB13D7BFCE4EB58" box="[727,816,583,609]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Fig. 2C</figureCitation>
). Eyes absent. Three pairs of tentacular filaments (
<figureCitation id="95EE2BFB0E75FFFABC0C3D7BFF68EBBC" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2A</figureCitation>
,
<figureCitation id="95EE2BFB0E75FFFAB9A13D57FF3EEBBC" box="[199,234,619,645]" captionStart="FIGURE 3" captionStartId="6.[151,250,1921,1945]" captionTargetBox="[157,1430,181,1897]" captionTargetId="figure-22@6.[157,1430,181,1897]" captionTargetPageId="6" captionText="FIGURE 3. Photos of Gesaia csiro n. sp. holotype (AM W.49506). A. Anterior end with tube (anterior parts broken), lateral view. B. Entire body, lateral view. C. Entire body, ventral view. DE. Close-up view of nuchal hooks. F. Anus. Abbreviations: br1, branchia of chaetiger 2; ca, cauda; nh, nuchal hooks; op, outer paleae; opa, opercular papilla; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401040" httpUri="https://zenodo.org/record/4401040/files/figure.png" pageId="7" pageNumber="494">3C</figureCitation>
,
<figureCitation id="95EE2BFB0E75FFFAB9903D57FECFEBBC" box="[246,283,619,645]" captionStart="FIGURE 4" captionStartId="7.[151,250,1918,1942]" captionTargetBox="[151,1436,1137,1895]" captionTargetId="figure-406@7.[151,1436,1137,1895]" captionTargetPageId="7" captionText="FIGURE 4. SEM of Gesaia csiro n. sp. (AM W.50680.004). A. Anterior end, dorso-lateral view. B. Anterior end, ventral view. C. Close-up view of buccal cavity. Abbreviations: bo, buccal organ; br, branchiae; ip, inner paleae; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401044" httpUri="https://zenodo.org/record/4401044/files/figure.png" pageId="7" pageNumber="494">4C</figureCitation>
). Buccal flaps absent (
<figureCitation id="95EE2BFB0E75FFFABB713D57FDA4EBBC" box="[535,624,619,645]" captionStart="FIGURE 4" captionStartId="7.[151,250,1918,1942]" captionTargetBox="[151,1436,1137,1895]" captionTargetId="figure-406@7.[151,1436,1137,1895]" captionTargetPageId="7" captionText="FIGURE 4. SEM of Gesaia csiro n. sp. (AM W.50680.004). A. Anterior end, dorso-lateral view. B. Anterior end, ventral view. C. Close-up view of buccal cavity. Abbreviations: bo, buccal organ; br, branchiae; ip, inner paleae; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401044" httpUri="https://zenodo.org/record/4401044/files/figure.png" pageId="7" pageNumber="494">Fig. 4C</figureCitation>
). Pair of fine long palps extended beyond operculum (
<figureCitation id="95EE2BFB0E75FFFABDA93D57FAF9EBBC" box="[1231,1325,619,645]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2A</figureCitation>
,
<figureCitation id="95EE2BFB0E75FFFABC5E3D57FA89EBBC" box="[1336,1373,619,645]" captionStart="FIGURE 4" captionStartId="7.[151,250,1918,1942]" captionTargetBox="[151,1436,1137,1895]" captionTargetId="figure-406@7.[151,1436,1137,1895]" captionTargetPageId="7" captionText="FIGURE 4. SEM of Gesaia csiro n. sp. (AM W.50680.004). A. Anterior end, dorso-lateral view. B. Anterior end, ventral view. C. Close-up view of buccal cavity. Abbreviations: bo, buccal organ; br, branchiae; ip, inner paleae; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401044" httpUri="https://zenodo.org/record/4401044/files/figure.png" pageId="7" pageNumber="494">4C</figureCitation>
).
</paragraph>
<paragraph id="0D6A377E0E75FFFAB9A13DB3FBEBEA2C" blockId="7.[151,1437,151,1113]" pageId="7" pageNumber="494">
Segment 1 (thoracic) with a pair of long tapering neuropodial cirri and capillary chaetae (
<figureCitation id="95EE2BFB0E75FFFABDBD3DB3FAF0EB90" box="[1243,1316,655,681]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2</figureCitation>
AB; 4C). Segment 2 (thoracic) with a pair of triangular lateral lobes between dorsal branchia and neuropodia with capillary chaetae, notopodia absent (
<figureCitation id="95EE2BFB0E75FFFAB8A23DEBFDF4EBC8" box="[452,544,727,753]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2B</figureCitation>
,
<figureCitation id="95EE2BFB0E75FFFABB4C3DEBFD85EBC8" box="[554,593,727,753]" captionStart="FIGURE 4" captionStartId="7.[151,250,1918,1942]" captionTargetBox="[151,1436,1137,1895]" captionTargetId="figure-406@7.[151,1436,1137,1895]" captionTargetPageId="7" captionText="FIGURE 4. SEM of Gesaia csiro n. sp. (AM W.50680.004). A. Anterior end, dorso-lateral view. B. Anterior end, ventral view. C. Close-up view of buccal cavity. Abbreviations: bo, buccal organ; br, branchiae; ip, inner paleae; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401044" httpUri="https://zenodo.org/record/4401044/files/figure.png" pageId="7" pageNumber="494">4A</figureCitation>
). Eleven pairs of dorsal tapering branchiae present on chaetigers 212, largest ones on chaetigers 36, subsequently reducing posteriorly in size (
<figureCitation id="95EE2BFB0E75FFFABAC33DC7FBD5EA2C" box="[933,1025,763,789]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2B</figureCitation>
,
<figureCitation id="95EE2BFB0E75FFFABD6A3DC7FBE7EA2C" box="[1036,1075,763,789]" captionStart="FIGURE 4" captionStartId="7.[151,250,1918,1942]" captionTargetBox="[151,1436,1137,1895]" captionTargetId="figure-406@7.[151,1436,1137,1895]" captionTargetPageId="7" captionText="FIGURE 4. SEM of Gesaia csiro n. sp. (AM W.50680.004). A. Anterior end, dorso-lateral view. B. Anterior end, ventral view. C. Close-up view of buccal cavity. Abbreviations: bo, buccal organ; br, branchiae; ip, inner paleae; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401044" httpUri="https://zenodo.org/record/4401044/files/figure.png" pageId="7" pageNumber="494">4A</figureCitation>
).
</paragraph>
<paragraph id="0D6A377E0E75FFFAB9A13C23FD22EAD4" blockId="7.[151,1437,151,1113]" pageId="7" pageNumber="494">
Segments 34 respectively with one ventral lobe, without neuropodial cirri (
<figureCitation id="95EE2BFB0E75FFFABD7B3C23FBB7EA00" box="[1053,1123,799,825]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2</figureCitation>
AB, 3BC, 4A). Segments 36 (parathoracic) with two
<typeStatus id="D26E89DC0E75FFFAB8B13C7FFDC6EA64" box="[471,530,835,861]" pageId="7" pageNumber="494">types</typeStatus>
of chaetae on noto- and neuropodia arranged in transverse rows: notopodia with 56 long robust lanceolate chaetae interspersed with few fine capillaries (
<figureCitation id="95EE2BFB0E75FFFABA833C5BFBFAEAB8" box="[997,1070,871,897]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2</figureCitation>
AB, 4A; 5G); neuropodia with about four fine lanceolate chaetae interspersed with several fine capillaries (
<figureCitation id="95EE2BFB0E75FFFABD743CB7FB83EA9C" box="[1042,1111,906,933]" captionStart="FIGURE 5" captionStartId="9.[151,250,1773,1797]" captionTargetBox="[151,1436,181,1750]" captionTargetId="figure-17@9.[151,1436,181,1750]" captionTargetPageId="9" captionText="FIGURE 5. SEM micrographs of Gesaia csiro n. sp. chaetae (AM W.50680.004).AD. Close-up view of proximal (A), middle (B), middle distal (C), and distalmost parts (D) of outer paleae. E. Neuropodium from segment 4. F. Close-up view of neurochaetae from segment 4. G. Notopodial lanceolate chaetae from parathoracic segment. H. Abdominal notopodial uncini." figureDoi="http://doi.org/10.5281/zenodo.4401047" httpUri="https://zenodo.org/record/4401047/files/figure.png" pageId="7" pageNumber="494">Fig. 5</figureCitation>
EF). Notopodial lanceolate chaetae much stouter than neuropodial ones (
<figureCitation id="95EE2BFB0E75FFFABBF03C93FD09EAF0" box="[662,733,943,969]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2</figureCitation>
AB, 3B, 5EG). Notopodial lanceolate chaetae on segment 6 directed more posteriorly than those on segments 35.
</paragraph>
<paragraph id="0D6A377E0E75FFFAB9A13CCBFDE8ED60" blockId="7.[151,1437,151,1113]" pageId="7" pageNumber="494">
Abdominal notopodial tori decreasing in size posteriorly, with number of uncini per row decreasing respectively. Each uncinus with two longitudinal rows of teeth (
<figureCitation id="95EE2BFB0E75FFFABA413B27FC57ED0C" box="[807,899,1050,1077]" captionStart="FIGURE 5" captionStartId="9.[151,250,1773,1797]" captionTargetBox="[151,1436,181,1750]" captionTargetId="figure-17@9.[151,1436,181,1750]" captionTargetPageId="9" captionText="FIGURE 5. SEM micrographs of Gesaia csiro n. sp. chaetae (AM W.50680.004).AD. Close-up view of proximal (A), middle (B), middle distal (C), and distalmost parts (D) of outer paleae. E. Neuropodium from segment 4. F. Close-up view of neurochaetae from segment 4. G. Notopodial lanceolate chaetae from parathoracic segment. H. Abdominal notopodial uncini." figureDoi="http://doi.org/10.5281/zenodo.4401047" httpUri="https://zenodo.org/record/4401047/files/figure.png" pageId="7" pageNumber="494">Fig. 5H</figureCitation>
). Neuropodia bearing long fine capillaries with fringes of thecae (
<figureCitation id="95EE2BFB0E75FFFAB8073B03FE73ED60" box="[353,423,1087,1113]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="7" pageNumber="494">Figs 2</figureCitation>
AB, 3BC).
</paragraph>
<caption id="59AA67F60E75FFFAB9F13842FB44EEE6" ID-DOI="http://doi.org/10.5281/zenodo.4401044" ID-Zenodo-Dep="4401044" httpUri="https://zenodo.org/record/4401044/files/figure.png" pageId="7" pageNumber="494" startId="7.[151,250,1918,1942]" targetBox="[151,1436,1137,1895]" targetPageId="7">
<paragraph id="0D6A377E0E75FFFAB9F13842FB44EEE6" blockId="7.[151,1437,1918,2015]" pageId="7" pageNumber="494">
<emphasis id="3FA1EB6C0E75FFFAB9F13842FEC7EEAF" bold="true" box="[151,275,1918,1942]" pageId="7" pageNumber="494">FIGURE 4.</emphasis>
SEM of
<taxonomicName id="CAD54CFD0E75FFFAB8083843FE3AEEAF" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[366,494,1919,1942]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="7" pageNumber="494" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E75FFFAB8083843FE3AEEAF" box="[366,494,1919,1942]" italics="true" pageId="7" pageNumber="494">Gesaia csiro</emphasis>
</taxonomicName>
<emphasis id="3FA1EB6C0E75FFFAB8923843FDF9EEAE" bold="true" box="[500,557,1919,1943]" pageId="7" pageNumber="494">
<taxonomicNameLabel id="249256170E75FFFAB8923843FDF9EEAE" box="[500,557,1919,1943]" pageId="7" pageNumber="494" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
(AM W.50680.004). A. Anterior end, dorso-lateral view. B. Anterior end, ventral view. C. Close-up view of buccal cavity. Abbreviations: bo, buccal organ; br, branchiae; ip, inner paleae; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments.
</paragraph>
</caption>
<caption id="59AA67F60E7AFFF5B9F63DFFFD36EBE4" box="[144,738,707,733]" pageId="8" pageNumber="495">
<paragraph id="0D6A377E0E7AFFF5B9F63DFFFD36EBE4" blockId="8.[144,738,707,733]" box="[144,738,707,733]" pageId="8" pageNumber="495">
<emphasis id="3FA1EB6C0E7AFFF5B9F63DFFFED3EBE4" bold="true" box="[144,263,707,733]" pageId="8" pageNumber="495">TABLE 2.</emphasis>
Diagnostic characters of species of
<taxonomicName id="CAD54CFD0E7AFFF5BBEE3DFFFD00EBE4" authorityName="Kirtley" authorityYear="1994" box="[648,724,707,733]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="495" phylum="Annelida" rank="genus">
<emphasis id="3FA1EB6C0E7AFFF5BBEE3DFFFD00EBE4" box="[648,724,707,733]" italics="true" pageId="8" pageNumber="495">Gesaia</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="0D6A377E0E7AFFF5B9F83DD0F835EC8A" pageId="8" pageNumber="495">
<table id="7FD5C5DE0E7A0002B9F83DD0F835ECEE" box="[158,2017,748,1495]" gridcols="5" gridrows="10" pageId="8" pageNumber="495">
<tr id="B3E5353C0E7A0002B9F83DD0F835EA10" box="[158,2017,748,809]" gridrow="0" pageId="8" pageNumber="495">
<th id="F0345C400E7A0002B9F83DD0FE01EA10" box="[158,469,748,809]" gridcol="0" gridrow="0" pageId="8" pageNumber="495">Species</th>
<th id="F0345C400E7A0002B89A3DD0FC69EA10" box="[508,957,748,809]" gridcol="1" gridrow="0" pageId="8" pageNumber="495">Type locality, depth</th>
<th id="F0345C400E7A0002BABF3DD0FAD1EA10" box="[985,1285,748,809]" gridcol="2" gridrow="0" pageId="8" pageNumber="495">Surface of inner paleae</th>
<th id="F0345C400E7A0002BC273DD0F9B4EA10" box="[1345,1632,748,809]" gridcol="3" gridrow="0" pageId="8" pageNumber="495">Distal fringe of distal thecae of outer paleae</th>
<th id="F0345C400E7A0002BFE93DD0F835EA10" box="[1679,2017,748,809]" gridcol="4" gridrow="0" pageId="8" pageNumber="495">Distal margin of distal thecae of outer paleae</th>
</tr>
<tr id="B3E5353C0E7A0002B9F83C04F835EA4C" box="[158,2017,824,885]" gridrow="1" pageId="8" pageNumber="495">
<th id="F0345C400E7A0002B9F83C04FE01EA4C" box="[158,469,824,885]" gridcol="0" gridrow="1" pageId="8" pageNumber="495">
<taxonomicName id="CAD54CFD0E7AFFF5B9F83C04FE01EA68" authority="(Fauvel, 1911)" baseAuthorityName="Fauvel" baseAuthorityYear="1911" box="[158,469,824,849]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="495" phylum="Annelida" rank="species" species="elegans">
<emphasis id="3FA1EB6C0E7AFFF5B9F83C04FEEDEA68" box="[158,313,824,849]" italics="true" pageId="8" pageNumber="495">Gesaia elegans</emphasis>
(
<bibRefCitation id="69444A8F0E7AFFF5B8213C04FE1AEA68" author="Fauvel, P." box="[327,462,824,849]" pageId="8" pageNumber="495" pagination="1 - 41" refId="ref11835" refString="Fauvel, P. (1911) Troisieme note preliminaire sur les polychetes provenant des campagnes de l'Hirondelle et de la Princesse- Alice, ou deposees dans la Musee Oceanographique de Monaco. Bulletin de l'Institute Oceanographique, 194, 1 - 41." type="journal article" year="1911">Fauvel, 1911</bibRefCitation>
)
</taxonomicName>
</th>
<td id="F0345C400E7A0002B89A3C04FC69EA4C" box="[508,957,824,885]" gridcol="1" gridrow="1" pageId="8" pageNumber="495">Off Madeira, East Atlantic Ocean,1968 m</td>
<td id="F0345C400E7A0002BABF3C04FAD1EA4C" box="[985,1285,824,885]" gridcol="2" gridrow="1" pageId="8" pageNumber="495">spiral edged surface of distal- middle portion</td>
<td id="F0345C400E7A0002BC273C04F9B4EA4C" box="[1345,1632,824,885]" gridcol="3" gridrow="1" pageId="8" pageNumber="495">present, unexpanded, short</td>
<td id="F0345C400E7A0002BFE93C04F835EA4C" box="[1679,2017,824,885]" gridcol="4" gridrow="1" pageId="8" pageNumber="495">complete, not splayed, spiral</td>
</tr>
<tr id="B3E5353C0E7A0002B9F83CB8F835EAF8" box="[158,2017,900,961]" gridrow="2" pageId="8" pageNumber="495">
<th id="F0345C400E7A0002B9F83CB8FE01EAF8" box="[158,469,900,961]" gridcol="0" gridrow="2" pageId="8" pageNumber="495">
<taxonomicName id="CAD54CFD0E7AFFF5B9F83CB8FE7FEAA4" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[158,427,900,925]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="495" phylum="Annelida" rank="species" species="fauchaldi">
<emphasis id="3FA1EB6C0E7AFFF5B9F83CB8FEC9EAA4" box="[158,285,900,925]" italics="true" pageId="8" pageNumber="495">G. fauchaldi</emphasis>
<bibRefCitation id="69444A8F0E7AFFF5B8453CB8FE7FEAA4" author="Kirtley, D. W." box="[291,427,900,925]" pageId="8" pageNumber="495" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
</th>
<td id="F0345C400E7A0002B89A3CB8FC69EAF8" box="[508,957,900,961]" gridcol="1" gridrow="2" pageId="8" pageNumber="495">Bermuda Rise, Northwest Atlantic Sea, 4749 m</td>
<td id="F0345C400E7A0002BABF3CB8FAD1EAF8" box="[985,1285,900,961]" gridcol="2" gridrow="2" pageId="8" pageNumber="495">smooth</td>
<td id="F0345C400E7A0002BC273CB8F9B4EAF8" box="[1345,1632,900,961]" gridcol="3" gridrow="2" pageId="8" pageNumber="495">present, long and short irregular, expanded</td>
<td id="F0345C400E7A0002BFE93CB8F835EAF8" box="[1679,2017,900,961]" gridcol="4" gridrow="2" pageId="8" pageNumber="495">hemithecate, not splayed, horizontal</td>
</tr>
<tr id="B3E5353C0E7A0002B9F83CEDF835ED37" box="[158,2017,977,1038]" gridrow="3" pageId="8" pageNumber="495">
<th id="F0345C400E7A0002B9F83CEDFE01ED37" box="[158,469,977,1038]" gridcol="0" gridrow="3" pageId="8" pageNumber="495">
<taxonomicName id="CAD54CFD0E7AFFF5B9F83CEDFE5EEAD3" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[158,394,977,1002]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="495" phylum="Annelida" rank="species" species="fossae">
<emphasis id="3FA1EB6C0E7AFFF5B9F83CEDFF28EAD3" box="[158,252,977,1002]" italics="true" pageId="8" pageNumber="495">G. fossae</emphasis>
<bibRefCitation id="69444A8F0E7AFFF5B8653CEDFE5EEAD3" author="Kirtley, D. W." box="[259,394,977,1002]" pageId="8" pageNumber="495" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
</th>
<td id="F0345C400E7A0002B89A3CEDFC69ED37" box="[508,957,977,1038]" gridcol="1" gridrow="3" pageId="8" pageNumber="495">Mozambique Channel, South Indian Ocean, 49835000 m</td>
<td id="F0345C400E7A0002BABF3CEDFAD1ED37" box="[985,1285,977,1038]" gridcol="2" gridrow="3" pageId="8" pageNumber="495">smooth</td>
<td id="F0345C400E7A0002BC273CEDF9B4ED37" box="[1345,1632,977,1038]" gridcol="3" gridrow="3" pageId="8" pageNumber="495">present, long, expanded</td>
<td id="F0345C400E7A0002BFE93CEDF835ED37" box="[1679,2017,977,1038]" gridcol="4" gridrow="3" pageId="8" pageNumber="495">complete, splayed, horizontal</td>
</tr>
<tr id="B3E5353C0E7A0002B9F83B21F835ED63" box="[158,2017,1053,1114]" gridrow="4" pageId="8" pageNumber="495">
<th id="F0345C400E7A0002B9F83B21FE01ED63" box="[158,469,1053,1114]" gridcol="0" gridrow="4" pageId="8" pageNumber="495">
<taxonomicName id="CAD54CFD0E7AFFF5B9F83B21FE6DED0F" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[158,441,1053,1078]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="495" phylum="Annelida" rank="species" species="hartmanae">
<emphasis id="3FA1EB6C0E7AFFF5B9F83B21FEFFED0F" box="[158,299,1053,1078]" italics="true" pageId="8" pageNumber="495">G. hartmanae</emphasis>
<bibRefCitation id="69444A8F0E7AFFF5B8573B21FE6DED0F" author="Kirtley, D. W." box="[305,441,1053,1078]" pageId="8" pageNumber="495" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
</th>
<td id="F0345C400E7A0002B89A3B21FC69ED63" box="[508,957,1053,1114]" gridcol="1" gridrow="4" pageId="8" pageNumber="495">Off South Sandwich Island, Southern Ocean, 2452 m</td>
<td id="F0345C400E7A0002BABF3B21FAD1ED63" box="[985,1285,1053,1114]" gridcol="2" gridrow="4" pageId="8" pageNumber="495">smooth</td>
<td id="F0345C400E7A0002BC273B21F9B4ED63" box="[1345,1632,1053,1114]" gridcol="3" gridrow="4" pageId="8" pageNumber="495">present, unexpanded, short</td>
<td id="F0345C400E7A0002BFE93B21F835ED63" box="[1679,2017,1053,1114]" gridcol="4" gridrow="4" pageId="8" pageNumber="495">complete, not splayed, horizontal</td>
</tr>
<tr id="B3E5353C0E7A0002B9F83B55F835ED9F" box="[158,2017,1129,1190]" gridrow="5" pageId="8" pageNumber="495">
<th id="F0345C400E7A0002B9F83B55FE01ED9F" box="[158,469,1129,1190]" gridcol="0" gridrow="5" pageId="8" pageNumber="495">
<taxonomicName id="CAD54CFD0E7AFFF5B9F83B55FEA9EDBB" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[158,381,1129,1154]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="495" phylum="Annelida" rank="species" species="hessi">
<emphasis id="3FA1EB6C0E7AFFF5B9F83B55FF24EDBB" box="[158,240,1129,1154]" italics="true" pageId="8" pageNumber="495">G. hessi</emphasis>
<bibRefCitation id="69444A8F0E7AFFF5B9903B55FEA9EDBB" author="Kirtley, D. W." box="[246,381,1129,1154]" pageId="8" pageNumber="495" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
</th>
<td id="F0345C400E7A0002B89A3B55FC69ED9F" box="[508,957,1129,1190]" gridcol="1" gridrow="5" pageId="8" pageNumber="495">Drake Passage, Antarctica, Southern Ocean, 4758 m</td>
<td id="F0345C400E7A0002BABF3B55FAD1ED9F" box="[985,1285,1129,1190]" gridcol="2" gridrow="5" pageId="8" pageNumber="495">distal thecal margins, poorly marked</td>
<td id="F0345C400E7A0002BC273B55F9B4ED9F" box="[1345,1632,1129,1190]" gridcol="3" gridrow="5" pageId="8" pageNumber="495">present, expanded, long</td>
<td id="F0345C400E7A0002BFE93B55F835ED9F" box="[1679,2017,1129,1190]" gridcol="4" gridrow="5" pageId="8" pageNumber="495">complete, not splayed, spiral</td>
</tr>
<tr id="B3E5353C0E7A0002B9F83B89F835EDCB" box="[158,2017,1205,1266]" gridrow="6" pageId="8" pageNumber="495">
<th id="F0345C400E7A0002B9F83B89FE01EDCB" box="[158,469,1205,1266]" gridcol="0" gridrow="6" pageId="8" pageNumber="495">
<taxonomicName id="CAD54CFD0E7AFFF5B9F83B89FEABEDF7" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[158,383,1205,1230]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="495" phylum="Annelida" rank="species" species="lanai">
<emphasis id="3FA1EB6C0E7AFFF5B9F83B89FF25EDF7" box="[158,241,1205,1230]" italics="true" pageId="8" pageNumber="495">G. lanai</emphasis>
<bibRefCitation id="69444A8F0E7AFFF5B9913B89FEABEDF7" author="Kirtley, D. W." box="[247,383,1205,1230]" pageId="8" pageNumber="495" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
</th>
<td id="F0345C400E7A0002B89A3B89FC69EDCB" box="[508,957,1205,1266]" gridcol="1" gridrow="6" pageId="8" pageNumber="495">East off Pernambuco, Brazil, South Atlantic Ocean,776805 m</td>
<td id="F0345C400E7A0002BABF3B89FAD1EDCB" box="[985,1285,1205,1266]" gridcol="2" gridrow="6" pageId="8" pageNumber="495">smooth</td>
<td id="F0345C400E7A0002BC273B89F9B4EDCB" box="[1345,1632,1205,1266]" gridcol="3" gridrow="6" pageId="8" pageNumber="495">present, unexpanded, short</td>
<td id="F0345C400E7A0002BFE93B89F835EDCB" box="[1679,2017,1205,1266]" gridcol="4" gridrow="6" pageId="8" pageNumber="495">hemithecate, splayed, horizontal</td>
</tr>
<tr id="B3E5353C0E7A0002B9F83A3EF835EC06" box="[158,2017,1282,1343]" gridrow="7" pageId="8" pageNumber="495">
<th id="F0345C400E7A0002B9F83A3EFE01EC06" box="[158,469,1282,1343]" gridcol="0" gridrow="7" pageId="8" pageNumber="495">
<taxonomicName id="CAD54CFD0E7AFFF5B9F83A3EFE54EC22" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[158,384,1282,1307]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="495" phylum="Annelida" rank="species" species="ryani">
<emphasis id="3FA1EB6C0E7AFFF5B9F83A3EFF26EC22" box="[158,242,1282,1307]" italics="true" pageId="8" pageNumber="495">G. ryani</emphasis>
<bibRefCitation id="69444A8F0E7AFFF5B99F3A3EFE54EC22" author="Kirtley, D. W." box="[249,384,1282,1307]" pageId="8" pageNumber="495" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
</th>
<td id="F0345C400E7A0002B89A3A3EFC69EC06" box="[508,957,1282,1343]" gridcol="1" gridrow="7" pageId="8" pageNumber="495">Between Prince Edward Island and Crozet Island, South Indian Ocean, 1622 m</td>
<td id="F0345C400E7A0002BABF3A3EFAD1EC06" box="[985,1285,1282,1343]" gridcol="2" gridrow="7" pageId="8" pageNumber="495">smooth (distal thecal margins poorly expressed)</td>
<td id="F0345C400E7A0002BC273A3EF9B4EC06" box="[1345,1632,1282,1343]" gridcol="3" gridrow="7" pageId="8" pageNumber="495">absent</td>
<td id="F0345C400E7A0002BFE93A3EF835EC06" box="[1679,2017,1282,1343]" gridcol="4" gridrow="7" pageId="8" pageNumber="495">complete, not splayed, horizontal</td>
</tr>
<tr id="B3E5353C0E7A0002B9F83A72F835ECB2" box="[158,2017,1358,1419]" gridrow="8" pageId="8" pageNumber="495">
<th id="F0345C400E7A0002B9F83A72FE01ECB2" box="[158,469,1358,1419]" gridcol="0" gridrow="8" pageId="8" pageNumber="495">
<taxonomicName id="CAD54CFD0E7AFFF5B9F83A72FE4EEC5E" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[158,410,1358,1383]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="495" phylum="Annelida" rank="species" species="vityazia">
<emphasis id="3FA1EB6C0E7AFFF5B9F83A72FED8EC5E" box="[158,268,1358,1383]" italics="true" pageId="8" pageNumber="495">G. vityazia</emphasis>
<bibRefCitation id="69444A8F0E7AFFF5B8743A72FE4EEC5E" author="Kirtley, D. W." box="[274,410,1358,1383]" pageId="8" pageNumber="495" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
</th>
<td id="F0345C400E7A0002B89A3A72FC69ECB2" box="[508,957,1358,1419]" gridcol="1" gridrow="8" pageId="8" pageNumber="495">Kurile-Kamchatka Trench, Northwest Pacific Ocean, 5790 m</td>
<td id="F0345C400E7A0002BABF3A72FAD1ECB2" box="[985,1285,1358,1419]" gridcol="2" gridrow="8" pageId="8" pageNumber="495">smooth</td>
<td id="F0345C400E7A0002BC273A72F9B4ECB2" box="[1345,1632,1358,1419]" gridcol="3" gridrow="8" pageId="8" pageNumber="495">present, expanded, long</td>
<td id="F0345C400E7A0002BFE93A72F835ECB2" box="[1679,2017,1358,1419]" gridcol="4" gridrow="8" pageId="8" pageNumber="495">hemithecate, not splayed, horizontal</td>
</tr>
<tr id="B3E5353C0E7A0002B9F83AA6F835ECEE" box="[158,2017,1434,1495]" gridrow="9" pageId="8" pageNumber="495">
<th id="F0345C400E7A0002B9F83AA6FE01ECEE" box="[158,469,1434,1495]" gridcol="0" gridrow="9" pageId="8" pageNumber="495">
<taxonomicName id="CAD54CFD0E7AFFF5B9F83AA6FF24EC8A" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[158,240,1434,1459]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="8" pageNumber="495" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E7AFFF5B9F83AA6FF24EC8A" box="[158,240,1434,1459]" italics="true" pageId="8" pageNumber="495">G. csiro</emphasis>
</taxonomicName>
<emphasis id="3FA1EB6C0E7AFFF5B9903AA6FEFBEC8A" bold="true" box="[246,303,1434,1459]" pageId="8" pageNumber="495">
<taxonomicNameLabel id="249256170E7AFFF5B9903AA6FEFBEC8A" box="[246,303,1434,1459]" pageId="8" pageNumber="495" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</th>
<td id="F0345C400E7A0002B89A3AA6FC69ECEE" box="[508,957,1434,1495]" gridcol="1" gridrow="9" pageId="8" pageNumber="495">Eastern Australia, South Pacific Ocean, 44144436 m</td>
<td id="F0345C400E7A0002BABF3AA6FAD1ECEE" box="[985,1285,1434,1495]" gridcol="2" gridrow="9" pageId="8" pageNumber="495">smooth</td>
<td id="F0345C400E7A0002BC273AA6F9B4ECEE" box="[1345,1632,1434,1495]" gridcol="3" gridrow="9" pageId="8" pageNumber="495">present, expanded, long irregular</td>
<td id="F0345C400E7A0002BFE93AA6F835ECEE" box="[1679,2017,1434,1495]" gridcol="4" gridrow="9" pageId="8" pageNumber="495">complete, not splayed, horizontal</td>
</tr>
</table>
</paragraph>
<caption id="59AA67F60E7BFFF4B9F139D1FAFDEE77" ID-DOI="http://doi.org/10.5281/zenodo.4401047" ID-Zenodo-Dep="4401047" httpUri="https://zenodo.org/record/4401047/files/figure.png" pageId="9" pageNumber="496" startId="9.[151,250,1773,1797]" targetBox="[151,1436,181,1750]" targetPageId="9">
<paragraph id="0D6A377E0E7BFFF4B9F139D1FAFDEE77" blockId="9.[151,1437,1773,1870]" pageId="9" pageNumber="496">
<emphasis id="3FA1EB6C0E7BFFF4B9F139D1FEC6EE3F" bold="true" box="[151,274,1773,1798]" pageId="9" pageNumber="496">FIGURE 5.</emphasis>
SEM micrographs of
<taxonomicName id="CAD54CFD0E7BFFF4B89739D2FDA4EE3C" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[497,624,1774,1797]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="9" pageNumber="496" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E7BFFF4B89739D2FDA4EE3C" box="[497,624,1774,1797]" italics="true" pageId="9" pageNumber="496">Gesaia csiro</emphasis>
</taxonomicName>
<emphasis id="3FA1EB6C0E7BFFF4BB1339D2FD7AEE3F" bold="true" box="[629,686,1774,1798]" pageId="9" pageNumber="496">
<taxonomicNameLabel id="249256170E7BFFF4BB1339D2FD7AEE3F" box="[629,686,1774,1798]" pageId="9" pageNumber="496" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
chaetae (AM W.50680.004). AD. Close-up view of proximal (A), middle (B), middle distal (C), and distalmost parts (D) of outer paleae. E. Neuropodium from segment 4. F. Close-up view of neurochaetae from segment 4. G. Notopodial lanceolate chaetae from parathoracic segment. H. Abdominal notopodial uncini.
</paragraph>
</caption>
<paragraph id="0D6A377E0E7BFFF4B9A13840FDABEE83" blockId="9.[151,1436,1916,2015]" pageId="9" pageNumber="496">
Cauda fine long, about two third length of abdomen (
<figureCitation id="95EE2BFB0E7BFFF4BA7E3840FCA1EEAF" box="[792,885,1916,1942]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="9" pageNumber="496">Figs 2A</figureCitation>
,
<figureCitation id="95EE2BFB0E7BFFF4BAE73840FC5AEEAF" box="[897,910,1916,1942]" captionStart="FIGURE 3" captionStartId="6.[151,250,1921,1945]" captionTargetBox="[157,1430,181,1897]" captionTargetId="figure-22@6.[157,1430,181,1897]" captionTargetPageId="6" captionText="FIGURE 3. Photos of Gesaia csiro n. sp. holotype (AM W.49506). A. Anterior end with tube (anterior parts broken), lateral view. B. Entire body, lateral view. C. Entire body, ventral view. DE. Close-up view of nuchal hooks. F. Anus. Abbreviations: br1, branchia of chaetiger 2; ca, cauda; nh, nuchal hooks; op, outer paleae; opa, opercular papilla; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401040" httpUri="https://zenodo.org/record/4401040/files/figure.png" pageId="9" pageNumber="496">3</figureCitation>
BC). Anus flat with three appendages on each side (
<figureCitation id="95EE2BFB0E7BFFF4B9B5389CFEE4EE83" box="[211,304,1952,1978]" captionStart="FIGURE 2" captionStartId="5.[151,250,1897,1921]" captionTargetBox="[162,1425,453,1871]" captionTargetId="figure-146@5.[162,1425,453,1874]" captionTargetPageId="5" captionText="FIGURE 2. Line drawings of Gesaia csiro n. sp. holotype (AM W.49506). A. Entire animal, ventral view. B. Anterior end, lateral view. C. Diagramatic presentation of arrangement of paleae on each opercular lobe. D. Anus. Abbreviations: br, branchiae; ca, cauda; ip, inner paleae; mo, medial organ; nec, neuropodial cirrus; nh, nuchal hooks; op, outer paleae; opa, opercular papillae; pa, palp; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401038" httpUri="https://zenodo.org/record/4401038/files/figure.png" pageId="9" pageNumber="496">Figs 2D</figureCitation>
,
<figureCitation id="95EE2BFB0E7BFFF4B85A389CFE89EE83" box="[316,349,1952,1978]" captionStart="FIGURE 3" captionStartId="6.[151,250,1921,1945]" captionTargetBox="[157,1430,181,1897]" captionTargetId="figure-22@6.[157,1430,181,1897]" captionTargetPageId="6" captionText="FIGURE 3. Photos of Gesaia csiro n. sp. holotype (AM W.49506). A. Anterior end with tube (anterior parts broken), lateral view. B. Entire body, lateral view. C. Entire body, ventral view. DE. Close-up view of nuchal hooks. F. Anus. Abbreviations: br1, branchia of chaetiger 2; ca, cauda; nh, nuchal hooks; op, outer paleae; opa, opercular papilla; s, segment; tf, tentacular filaments." figureDoi="http://doi.org/10.5281/zenodo.4401040" httpUri="https://zenodo.org/record/4401040/files/figure.png" pageId="9" pageNumber="496">3F</figureCitation>
). Tube made of fine sand.
</paragraph>
<paragraph id="0D6A377E0E7BFFF7B9A138FFFE19E823" blockId="9.[151,1436,1916,2015]" lastBlockId="10.[151,1437,150,1092]" lastPageId="10" lastPageNumber="497" pageId="9" pageNumber="496">
<emphasis id="3FA1EB6C0E7BFFF4B9A138FFFE93EEE4" bold="true" box="[199,327,1987,2013]" pageId="9" pageNumber="496">Variability</emphasis>
.
<materialsCitation id="BDBD3D230E7BFFF7B83338F8FE1EE823" ID-GBIF-Occurrence="3019614304" collectionCode="AM" lastPageId="10" lastPageNumber="497" pageId="9" pageNumber="496" specimenCount="1" typeStatus="paratype">
The
<typeStatus id="D26E89DC0E7BFFF4B8EE38F8FE27EEE7" box="[392,499,1988,2014]" pageId="9" pageNumber="496" type="paratype">paratypes</typeStatus>
are
<quantity id="CA2D9A9B0E7BFFF4BB4338F8FD1DEEE7" box="[549,713,1988,2014]" metricMagnitude="-2" metricUnit="m" metricValue="2.4850000000000003" metricValueMax="3.0100000000000002" metricValueMin="1.9600000000000002" pageId="9" pageNumber="496" unit="mm" value="24.85" valueMax="30.1" valueMin="19.6">19.630.1 mm</quantity>
in length (measured without cauda),
<quantity id="CA2D9A9B0E7BFFF4BD0B38F8FB21EEE7" box="[1133,1269,1988,2014]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" metricValueMax="2.3" metricValueMin="1.7" pageId="9" pageNumber="496" unit="mm" value="2.0" valueMax="2.3" valueMin="1.7">1.72.3 mm</quantity>
in width, have 2123 chaetigers (only counting specimens with cauda), 1524 pairs of outer paleae, 23 pairs of inner paleae, 58 pairs of opercular papillae, and 36 pairs of tentacular filaments. Several specimens from
<collectionCode id="6BC4AFBB0E78FFF7BDF53F86FB14E9ED" box="[1171,1216,186,212]" country="Australia" name="Australian Museum" pageId="10" pageNumber="497" type="Museum">AM</collectionCode>
W.58081 have two pairs of nuchal hooks, an anterior pair of small hooks and a pair of large hooks posteriorly, which suggests that these hooks may be regenerating
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="45CF64F50E78FFF7B9A13E18FB6EEAAD" pageId="10" pageNumber="497" type="discussion">
<paragraph id="0D6A377E0E78FFF7B9A13E18FE5AEBA4" blockId="10.[151,1437,150,1092]" pageId="10" pageNumber="497">
<emphasis id="3FA1EB6C0E78FFF7B9A13E18FEEFE807" bold="true" box="[199,315,292,318]" pageId="10" pageNumber="497">Remarks.</emphasis>
<taxonomicName id="CAD54CFD0E78FFF7B8223E18FE06E804" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[324,466,292,318]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E78FFF7B8223E18FE06E804" box="[324,466,292,318]" italics="true" pageId="10" pageNumber="497">Gesaia csiro</emphasis>
</taxonomicName>
<emphasis id="3FA1EB6C0E78FFF7B8BD3E18FDCFE807" bold="true" box="[475,539,292,318]" pageId="10" pageNumber="497">
<taxonomicNameLabel id="249256170E78FFF7B8BD3E18FDCFE807" box="[475,539,292,318]" pageId="10" pageNumber="497" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
differs from congeners by a combination of characters such as smooth surface of inner paleae, distal thecae of outer paleae with long, irregular and expanded distal fringe, distal margin of distal thecae of outer paleae circled and nearly horizontal to the longitudinal axis of blade (
<tableCitation id="405702C50E78FFF7BD3F3E56FB65E8BD" box="[1113,1201,362,388]" captionStart="TABLE 2" captionStartId="8.[144,236,707,733]" captionText="TABLE 2. Diagnostic characters of species of Gesaia." pageId="10" pageNumber="497">Table 2</tableCitation>
).
<taxonomicName id="CAD54CFD0E78FFF7BDA03E56FA81E8BD" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[1222,1365,362,388]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E78FFF7BDA03E56FA81E8BD" box="[1222,1365,362,388]" italics="true" pageId="10" pageNumber="497">Gesaia csiro</emphasis>
</taxonomicName>
<emphasis id="3FA1EB6C0E78FFF7BC3A3E56FA48E8BD" bold="true" box="[1372,1436,362,388]" pageId="10" pageNumber="497">
<taxonomicNameLabel id="249256170E78FFF7BC3A3E56FA48E8BD" box="[1372,1436,362,388]" pageId="10" pageNumber="497" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
has smooth surface of inner paleae and thus differs from
<taxonomicName id="CAD54CFD0E78FFF7BA413EB1FBEBE89E" authority="Fauvel, 1911" authorityName="Fauvel" authorityYear="1911" box="[807,1087,397,423]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="elegans">
<emphasis id="3FA1EB6C0E78FFF7BA413EB1FC75E89E" box="[807,929,397,423]" italics="true" pageId="10" pageNumber="497">G. elegans</emphasis>
<bibRefCitation id="69444A8F0E78FFF7BACC3EB1FBEBE89E" author="Fauvel, P." box="[938,1087,397,423]" pageId="10" pageNumber="497" pagination="1 - 41" refId="ref11835" refString="Fauvel, P. (1911) Troisieme note preliminaire sur les polychetes provenant des campagnes de l'Hirondelle et de la Princesse- Alice, ou deposees dans la Musee Oceanographique de Monaco. Bulletin de l'Institute Oceanographique, 194, 1 - 41." type="journal article" year="1911">Fauvel, 1911</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="CAD54CFD0E78FFF7BD2A3EB1FA93E89E" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[1100,1351,397,423]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="hessi">
<emphasis id="3FA1EB6C0E78FFF7BD2A3EB1FB7DE89E" box="[1100,1193,397,423]" italics="true" pageId="10" pageNumber="497">G. hessi</emphasis>
<bibRefCitation id="69444A8F0E78FFF7BDD73EB1FA93E89E" author="Kirtley, D. W." box="[1201,1351,397,423]" pageId="10" pageNumber="497" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="CAD54CFD0E78FFF7BCE73EB1FEA4E8F3" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="ryani">
<emphasis id="3FA1EB6C0E78FFF7BCE73EB1FF06E8F3" italics="true" pageId="10" pageNumber="497">G. ryani</emphasis>
<bibRefCitation id="69444A8F0E78FFF7B9BD3E8CFEA4E8F3" author="Kirtley, D. W." box="[219,368,432,458]" pageId="10" pageNumber="497" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
that are characterized by poorly ornamented surfaces of inner paleae.
<taxonomicName id="CAD54CFD0E78FFF7BDF03E8DFAF1E8F3" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[1174,1317,433,459]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E78FFF7BDF03E8DFAF1E8F3" box="[1174,1317,433,459]" italics="true" pageId="10" pageNumber="497">Gesaia csiro</emphasis>
</taxonomicName>
<emphasis id="3FA1EB6C0E78FFF7BC4B3E8CFABAE8F3" bold="true" box="[1325,1390,432,458]" pageId="10" pageNumber="497">
<taxonomicNameLabel id="249256170E78FFF7BC4B3E8CFABAE8F3" box="[1325,1390,432,458]" pageId="10" pageNumber="497" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
has long expanded distal fringe of distal thecae of outer paleae, while
<taxonomicName id="CAD54CFD0E78FFF7BA1B3EE8FC0EE8D4" authorityName="Kirtley" authorityYear="1994" box="[893,986,468,494]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="ryani">
<emphasis id="3FA1EB6C0E78FFF7BA1B3EE8FC0EE8D4" box="[893,986,468,494]" italics="true" pageId="10" pageNumber="497">G. ryani</emphasis>
</taxonomicName>
lacks the distal fringe altogether, and in
<taxonomicName id="CAD54CFD0E78FFF7B9F13ECBFE18EB28" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[151,460,503,529]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="hartmanae">
<emphasis id="3FA1EB6C0E78FFF7B9F13ECBFEE6EB28" box="[151,306,503,529]" italics="true" pageId="10" pageNumber="497">G. hartmanae</emphasis>
<bibRefCitation id="69444A8F0E78FFF7B85F3ECBFE18EB28" author="Kirtley, D. W." box="[313,460,503,529]" pageId="10" pageNumber="497" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
and in
<taxonomicName id="CAD54CFD0E78FFF7BB783ECBFCC0EB28" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[542,788,503,529]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="lanai">
<emphasis id="3FA1EB6C0E78FFF7BB783ECBFDAEEB28" box="[542,634,503,529]" italics="true" pageId="10" pageNumber="497">G. lanai</emphasis>
<bibRefCitation id="69444A8F0E78FFF7BBE63ECBFCC0EB28" author="Kirtley, D. W." box="[640,788,503,529]" pageId="10" pageNumber="497" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
this distal fringe is short and unexpanded.
<taxonomicName id="CAD54CFD0E78FFF7BD943ECBFAABEB29" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[1266,1407,503,529]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E78FFF7BD943ECBFAABEB29" box="[1266,1407,503,529]" italics="true" pageId="10" pageNumber="497">Gesaia csiro</emphasis>
</taxonomicName>
<emphasis id="3FA1EB6C0E78FFF7BCE03ECBFF6CEB0D" bold="true" pageId="10" pageNumber="497">
<taxonomicNameLabel id="249256170E78FFF7BCE03ECBFF6CEB0D" pageId="10" pageNumber="497" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
can be distinguished from
<taxonomicName id="CAD54CFD0E78FFF7B88D3D26FCC2EB0D" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[491,790,538,564]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="fauchaldi">
<emphasis id="3FA1EB6C0E78FFF7B88D3D26FDACEB0D" box="[491,632,538,564]" italics="true" pageId="10" pageNumber="497">G. fauchaldi</emphasis>
<bibRefCitation id="69444A8F0E78FFF7BB193D26FCC2EB0D" author="Kirtley, D. W." box="[639,790,538,564]" pageId="10" pageNumber="497" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="CAD54CFD0E78FFF7BA473D26FBFCEB0D" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[801,1064,538,564]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="fossae">
<emphasis id="3FA1EB6C0E78FFF7BA473D26FC5EEB0D" box="[801,906,538,564]" italics="true" pageId="10" pageNumber="497">G. fossae</emphasis>
<bibRefCitation id="69444A8F0E78FFF7BAF73D26FBFCEB0D" author="Kirtley, D. W." box="[913,1064,538,564]" pageId="10" pageNumber="497" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="CAD54CFD0E78FFF7BD023D26FAADEB0D" authority="Kirtley, 1994" authorityName="Kirtley" authorityYear="1994" box="[1124,1401,538,564]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="vityazia">
<emphasis id="3FA1EB6C0E78FFF7BD023D26FB09EB0D" box="[1124,1245,538,564]" italics="true" pageId="10" pageNumber="497">G. vityazia</emphasis>
<bibRefCitation id="69444A8F0E78FFF7BD833D26FAADEB0D" author="Kirtley, D. W." box="[1253,1401,538,564]" pageId="10" pageNumber="497" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley, 1994</bibRefCitation>
</taxonomicName>
by the distal margin of distal thecae of outer paleae: the margin of distal thecae is complete, not splayed and horizontal in
<taxonomicName id="CAD54CFD0E78FFF7B9D23D5DFEDAEB43" authority="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova, 2020" authorityName="Zhang &amp; Hutchings &amp; Burghardt &amp; Kupriyanova" authorityYear="2020" box="[180,270,609,635]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="csiro" status="sp. nov.">
<emphasis id="3FA1EB6C0E78FFF7B9D23D5DFEDAEB43" box="[180,270,609,635]" italics="true" pageId="10" pageNumber="497">G. csiro</emphasis>
</taxonomicName>
<emphasis id="3FA1EB6C0E78FFF7B8703D5CFE81EB43" bold="true" box="[278,341,608,634]" pageId="10" pageNumber="497">
<taxonomicNameLabel id="249256170E78FFF7B8703D5CFE81EB43" box="[278,341,608,634]" pageId="10" pageNumber="497" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, but
<taxonomicName id="CAD54CFD0E78FFF7B8E93D5DFDC8EB43" authorityName="Kirtley" authorityYear="1994" box="[399,540,608,635]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="fauchaldi">
<emphasis id="3FA1EB6C0E78FFF7B8E93D5DFDC8EB43" box="[399,540,608,635]" italics="true" pageId="10" pageNumber="497">G. fauchaldi</emphasis>
</taxonomicName>
and
<taxonomicName id="CAD54CFD0E78FFF7BB353D5DFD19EB43" authorityName="Kirtley" authorityYear="1994" box="[595,717,609,635]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="vityazia">
<emphasis id="3FA1EB6C0E78FFF7BB353D5DFD19EB43" box="[595,717,609,635]" italics="true" pageId="10" pageNumber="497">G. vityazia</emphasis>
</taxonomicName>
have hemithecate distal margins, while
<taxonomicName id="CAD54CFD0E78FFF7BDF43D5DFB2EEB43" authorityName="Kirtley" authorityYear="1994" box="[1170,1274,608,635]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="fossae">
<emphasis id="3FA1EB6C0E78FFF7BDF43D5DFB2EEB43" box="[1170,1274,608,635]" italics="true" pageId="10" pageNumber="497">G. fossae</emphasis>
</taxonomicName>
has complete, splayed distal margin.
</paragraph>
<paragraph id="0D6A377E0E78FFF7B9A13D9BFB6EEAAD" blockId="10.[151,1437,150,1092]" pageId="10" pageNumber="497">
<bibRefCitation id="69444A8F0E78FFF7B9A13D9BFEB3EBF8" author="Kirtley, D. W." box="[199,359,679,705]" pageId="10" pageNumber="497" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley (1994)</bibRefCitation>
described seven new
<taxonomicName id="CAD54CFD0E78FFF7BB3C3D9BFD7DEBF8" authorityName="Kirtley" authorityYear="1994" box="[602,681,679,705]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="genus">
<emphasis id="3FA1EB6C0E78FFF7BB3C3D9BFD7DEBF8" box="[602,681,679,705]" italics="true" pageId="10" pageNumber="497">Gesaia</emphasis>
</taxonomicName>
species from the upper bathyal to lower abyssal zone of the Pacific, Atlantic, South Indian and Southern oceans. Since
<bibRefCitation id="69444A8F0E78FFF7BB863DF6FC56EBDD" author="Kirtley, D. W." box="[736,898,714,740]" pageId="10" pageNumber="497" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley (1994)</bibRefCitation>
and until this study, no new species of
<taxonomicName id="CAD54CFD0E78FFF7BC2B3DF6FA48EBDD" authorityName="Kirtley" authorityYear="1994" box="[1357,1436,714,740]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="genus">
<emphasis id="3FA1EB6C0E78FFF7BC2B3DF6FA48EBDD" box="[1357,1436,714,740]" italics="true" pageId="10" pageNumber="497">Gesaia</emphasis>
</taxonomicName>
were described, but most of the descriptions of
<bibRefCitation id="69444A8F0E78FFF7BBC93DD1FC85EA3E" author="Kirtley, D. W." box="[687,849,749,775]" pageId="10" pageNumber="497" refId="ref12693" refString="Kirtley, D. W. (1994) A Review and Taxonomic Revision of the Family Sabellariidae Johnston, 1865 (Annelida; Polychaeta). Sabecon Press Science Series, Vero Beach, Florida, 223 pp." type="book" year="1994">Kirtley (1994)</bibRefCitation>
are based entirely on the morphology of the paleae, with few body characters described. Specimens of
<taxonomicName id="CAD54CFD0E78FFF7BBAE3C2DFCC3EA12" authorityName="Kirtley" authorityYear="1994" box="[712,791,785,811]" class="Polychaeta" family="Sabellariidae" genus="Gesaia" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="genus">
<emphasis id="3FA1EB6C0E78FFF7BBAE3C2DFCC3EA12" box="[712,791,785,811]" italics="true" pageId="10" pageNumber="497">Gesaia</emphasis>
</taxonomicName>
are easily broken at segment 7, and it is difficult to extract entire animals from their tubes as the posterior part of the body is fragile and breaks off. While the characters of the paleae do not get distorted during preservation and are useful to identify these species, a comprehensive review of the genus based on freshly collected material with entire body described would be very useful.
</paragraph>
</subSubSection>
<subSubSection id="45CF64F50E78FFF7B9A13CA1FB47EAC4" pageId="10" pageNumber="497" type="distribution">
<paragraph id="0D6A377E0E78FFF7B9A13CA1FE50EAE3" blockId="10.[151,1437,150,1092]" pageId="10" pageNumber="497">
<emphasis id="3FA1EB6C0E78FFF7B9A13CA1FE8DEA8E" bold="true" box="[199,345,925,951]" pageId="10" pageNumber="497">Distribution</emphasis>
. Off the east coast of
<collectingCountry id="75C277EE0E78FFF7BB3C3CA1FD15EA8E" box="[602,705,925,951]" name="Australia" pageId="10" pageNumber="497">Australia</collectingCountry>
from 30º15.798´
<geoCoordinate id="68E151B90E78FFF7BAF33CA1FBF4EA81" box="[917,1056,925,952]" degrees="30" direction="south" minutes="17.358" orientation="latitude" pageId="10" pageNumber="497" precision="1" value="-30.2893">30º17.358´S</geoCoordinate>
. The species is known only from
<typeStatus id="D26E89DC0E78FFF7B9F13CFDFF13EAE2" box="[151,199,961,987]" pageId="10" pageNumber="497">type</typeStatus>
locality (
<figureCitation id="95EE2BFB0E78FFF7B8543CFCFEA7EAE3" box="[306,371,960,986]" captionStart="FIGURE 1" captionStartId="4.[151,250,1647,1671]" captionTargetBox="[152,1408,186,1618]" captionTargetId="figure-22@4.[151,1435,181,1623]" captionTargetPageId="4" captionText="FIGURE 1. Map illustrating the sampling localities of Gesaia csiro n. sp., Phalacrostemma timoharai n. sp. and Phalacrostemma sp." figureDoi="http://doi.org/10.5281/zenodo.4401036" httpUri="https://zenodo.org/record/4401036/files/figure.png" pageId="10" pageNumber="497">Fig. 1</figureCitation>
).
</paragraph>
<paragraph id="0D6A377E0E78FFF7B9A13CDFFB47EAC4" blockId="10.[151,1437,150,1092]" box="[199,1171,995,1022]" pageId="10" pageNumber="497">
<emphasis id="3FA1EB6C0E78FFF7B9A13CDFFEFEEAC4" bold="true" box="[199,298,995,1021]" pageId="10" pageNumber="497">Habitat.</emphasis>
Depths
<quantity id="CA2D9A9B0E78FFF7B8E13CD8FDF1EAC7" box="[391,549,996,1022]" metricMagnitude="3" metricUnit="m" metricValue="4.441" metricValueMax="4.481" metricValueMin="4.401" pageId="10" pageNumber="497" unit="m" value="4441.0" valueMax="4481.0" valueMin="4401.0">44014481 m</quantity>
. Tubes built of fine sand forming colonies on substrate.
</paragraph>
</subSubSection>
<subSubSection id="45CF64F50E78FFF7B9A13B3BFD4FED94" pageId="10" pageNumber="497" type="etymology">
<paragraph id="0D6A377E0E78FFF7B9A13B3BFBBAED7D" blockId="10.[151,1437,150,1092]" pageId="10" pageNumber="497">
<emphasis id="3FA1EB6C0E78FFF7B9A13B3BFE9CED18" bold="true" box="[199,328,1031,1057]" pageId="10" pageNumber="497">Etymology</emphasis>
. The species was named after the Commonwealth Scientific and Industrial Research Organisation (CSIRO) that manages and operates R/V “Investigator” as the Marine National Facility.
</paragraph>
<paragraph id="0D6A377E0E78FFF7B9F13BAFFD4FED94" blockId="10.[151,667,1171,1198]" box="[151,667,1171,1198]" pageId="10" pageNumber="497">
<emphasis id="3FA1EB6C0E78FFF7B9F13BAFFF33ED94" bold="true" box="[151,231,1171,1197]" pageId="10" pageNumber="497">Genus</emphasis>
<taxonomicName id="CAD54CFD0E78FFF7B9883BAFFD4FED94" authority="Marenzeller, 1895" authorityName="Marenzeller" authorityYear="1895" box="[238,667,1171,1198]" class="Polychaeta" family="Sabellariidae" genus="Phalacrostemma" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="genus">
<emphasis id="3FA1EB6C0E78FFF7B9883BAFFE60ED94" box="[238,436,1171,1197]" italics="true" pageId="10" pageNumber="497">Phalacrostemma</emphasis>
<bibRefCitation id="69444A8F0E78FFF7B8DD3BA8FD4FED94" author="Marenzeller, E. von" box="[443,667,1171,1198]" pageId="10" pageNumber="497" pagination="191 - 192" refId="ref13208" refString="Marenzeller, E. von (1895) Phalacrostemme cidariophilum, eine neue Gattung und Art der Hermelliden. Anzeiger, Akademie der Wissenschaften, Wien, 32, 191 - 192." type="journal article" year="1895">
<emphasis id="3FA1EB6C0E78FFF7B8DD3BA8FD4FED94" bold="true" box="[443,667,1171,1198]" pageId="10" pageNumber="497">Marenzeller, 1895</emphasis>
</bibRefCitation>
</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="45CF64F50E78FFF7B9F13BE6FBC3EDCD" box="[151,1047,1242,1269]" pageId="10" pageNumber="497" type="type_taxon">
<paragraph id="0D6A377E0E78FFF7B9F13BE6FBC3EDCD" blockId="10.[151,1047,1242,1269]" box="[151,1047,1242,1269]" pageId="10" pageNumber="497">
<emphasis id="3FA1EB6C0E78FFF7B9F13BE6FEE6EDCD" bold="true" box="[151,306,1242,1268]" pageId="10" pageNumber="497">Type species.</emphasis>
<taxonomicName id="CAD54CFD0E78FFF7B85F3BE6FCA6EDCC" ID-CoL="4FQTL" authority="Marenzeller, 1895" authorityName="Marenzeller" authorityYear="1895" box="[313,882,1242,1269]" class="Polychaeta" family="Sabellariidae" genus="Phalacrostemma" kingdom="Animalia" order="Sabellida" pageId="10" pageNumber="497" phylum="Annelida" rank="species" species="cidariophilum">
<emphasis id="3FA1EB6C0E78FFF7B85F3BE6FD48EDCD" box="[313,668,1242,1268]" italics="true" pageId="10" pageNumber="497">Phalacrostemma cidariophilum</emphasis>
<bibRefCitation id="69444A8F0E78FFF7BBC53BE6FCA6EDCC" author="Marenzeller, E. von" box="[675,882,1242,1269]" pageId="10" pageNumber="497" pagination="191 - 192" refId="ref13208" refString="Marenzeller, E. von (1895) Phalacrostemme cidariophilum, eine neue Gattung und Art der Hermelliden. Anzeiger, Akademie der Wissenschaften, Wien, 32, 191 - 192." type="journal article" year="1895">Marenzeller, 1895</bibRefCitation>
</taxonomicName>
, by monotypy.
</paragraph>
</subSubSection>
<subSubSection id="45CF64F50E78FFF7B9F13A1CFD17EC03" box="[151,707,1312,1338]" pageId="10" pageNumber="497" type="materials_examined">
<paragraph id="0D6A377E0E78FFF7B9F13A1CFD17EC03" blockId="10.[151,1437,1312,1690]" box="[151,707,1312,1338]" pageId="10" pageNumber="497">
<emphasis id="3FA1EB6C0E78FFF7B9F13A1CFEE2EC03" bold="true" box="[151,310,1312,1338]" pageId="10" pageNumber="497">Type locality.</emphasis>
Off Pelagossa Island, Adriatic Sea.
</paragraph>
</subSubSection>
<subSubSection id="45CF64F50E78FFF7B9A13A7FFDE0EFA3" pageId="10" pageNumber="497" type="diagnosis">
<paragraph id="0D6A377E0E78FFF7B9A13A7FFDE0EFA3" blockId="10.[151,1437,1312,1690]" pageId="10" pageNumber="497">
<emphasis id="3FA1EB6C0E78FFF7B9A13A7FFE96EC64" bold="true" box="[199,322,1347,1373]" pageId="10" pageNumber="497">Diagnosis.</emphasis>
(after
<bibRefCitation id="69444A8F0E78FFF7B8F63A78FD7FEC67" author="Capa, M. &amp; Hutchings, P." box="[400,683,1347,1374]" pageId="10" pageNumber="497" pagination="144 - 163" refId="ref11416" refString="Capa, M. &amp; Hutchings, P. (2019) Sabellariidae Johnston, 1865. In: Westheide, W., Purschke, G. &amp; Boggemann, M. (Eds.), Handbook of Zoology. Annelida Volume 2: Pleistoannelida, Sedentaria II. De Gruyter, Berlin, pp. 144 - 163. https: // doi. org / 10.1515 / 9783110291681 - 005" type="book chapter" year="2019">Capa &amp; Hutchings 2019</bibRefCitation>
). Operculum with lobes completely fused to each other and distal disc perpendicular to operculum. Eight to 10 pairs of long and conical papillae around opercular lobes. Tentacular filaments absent or present along margins of buccal cavity. Buccal flaps present (or secondarily absent). One pair of palps similar in length to operculum. Median organ at dorsal junction of opercular lobes. Outer paleae arranged in a spiral, with straight cylindrical or slightly flattened blades with ornamented thecae. Few (two to eight) pairs of inner opercular paleae arranged in a short line on dorsal half of inner margin of opercular lobes, with straight cylindrical or slightly flattened blades with smooth margins. Two to five pairs of nuchal hooks with limbation on concave margin. Neuropodia of segment 1 with one to three pairs of cirri. Thoracic branchiae present. Four parathoracic segments. Parathoracic notopodia with lanceolate chaetae interspersed with capillaries, neuropodia with fine lanceolate chaetae interspersed with capillaries.
</paragraph>
</subSubSection>
</treatment>
</document>