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<document id="63528CA3FD5EBCC4F63A37A80E7AC2C6" ID-DOI="10.11646/zootaxa.4019.1.12" ID-GBIF-Dataset="6ef51ae2-1fd9-478d-bcdd-9ced4992551b" ID-ISSN="1175-5326" ID-Zenodo-Dep="253393" ID-ZooBank="710CEEF1-F9D9-469F-9184-DC9903650F4C" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461260809308" checkinUser="plazi" docAuthor="Hutchings, Pat, Nogueira, João Miguel Matos &amp; Carrerette, Orlemir" docDate="2015" docId="F97B5A001A54385C0EAF3BE5FB9F40B0" docLanguage="en" docName="zt04019p274.pdf" docOrigin="Zootaxa 4019 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Terebellides akares Hutchings, Nogueira &amp; Carrerette, 2015, n. sp." docType="treatment" docVersion="9" lastPageNumber="266" masterDocId="054222781A4138460E383919FF984410" masterDocTitle="Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia" masterLastPageNumber="274" masterPageNumber="240" pageNumber="261" updateTime="1698609381483" updateUser="plazi">
<mods:mods id="B8CED391B0082C18DD872B54675CC415" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="4990B0297036431CA0D79998AD2C9A58">Telothelepodidae, Thelepodidae and Trichobranchidae (Annelida, Terebelliformia) from Lizard Island, Great Barrier Reef, Australia</mods:title>
</mods:titleInfo>
<mods:name id="B47C4F1A984596EC5BF198574EE47901" type="personal">
<mods:role id="3FF7D68B3A7664D9FDDC56106DDC0CEF">
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<mods:namePart id="87F474DED1B17EE902E619066B328D59">Hutchings, Pat</mods:namePart>
</mods:name>
<mods:name id="02AF69C1AB6368FA4466180DE6AF50F0" type="personal">
<mods:role id="5237B26BAEFDF9CE3DF5CB0052BC054C">
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<mods:namePart id="F1CA880B4ABD96AECF3FA0ABAAD36E55">Nogueira, João Miguel Matos</mods:namePart>
</mods:name>
<mods:name id="B5314E55253261DD3F1BAFEB8AC61BD4" type="personal">
<mods:role id="A92FC4F1244A6A0D6E6E4568537CD2BC">
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<mods:namePart id="2BE820DD553E3C8C7790057D381890AF">Carrerette, Orlemir</mods:namePart>
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<mods:typeOfResource id="E5A23337FCC631A1D022F2BC49D4CA1A">text</mods:typeOfResource>
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<mods:title id="F6D6B26713941C9FD965EFF1436AA02C">Zootaxa</mods:title>
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<mods:part id="F55EED8A9E46D564B22127350661C470">
<mods:date id="6B5195746AD7AEFE6471E217687C01AA">2015</mods:date>
<mods:detail id="8C0C455D531FE75294B080BA91A80B31" type="volume">
<mods:number id="C5F10482F4D5E5AFDDF06102CF6842C7">4019</mods:number>
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<mods:detail id="1FEE845A1C624442E565AB3905E935D3" type="issue">
<mods:number id="90422D9A129121AEE593AFD420B139D1">1</mods:number>
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<mods:start id="339A65ADFE0592E4C6D5E03213C00B82">240</mods:start>
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<mods:classification id="F5CD347D9A755F0707D955F9A260FA02">journal article</mods:classification>
<mods:identifier id="CAF29577F74B03E5783F783FFEF99318" type="DOI">10.11646/zootaxa.4019.1.12</mods:identifier>
<mods:identifier id="D25D75F338517676A7F6D28A550D3E36" type="GBIF-Dataset">6ef51ae2-1fd9-478d-bcdd-9ced4992551b</mods:identifier>
<mods:identifier id="5001DEECC5CD767B9248DFD4C04048C0" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="3515B1D159ACA01D62FE38C5851B0444" type="Zenodo-Dep">253393</mods:identifier>
<mods:identifier id="8C1DE373B166341D84BC0EC991592BB7" type="ZooBank">710CEEF1-F9D9-469F-9184-DC9903650F4C</mods:identifier>
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<treatment id="F97B5A001A54385C0EAF3BE5FB9F40B0" ID-DOI="http://doi.org/10.5281/zenodo.6096740" ID-GBIF-Taxon="119636968" ID-Zenodo-Dep="6096740" LSID="urn:lsid:plazi:treatment:F97B5A001A54385C0EAF3BE5FB9F40B0" httpUri="http://treatment.plazi.org/id/F97B5A001A54385C0EAF3BE5FB9F40B0" lastPageId="26" lastPageNumber="266" pageId="21" pageNumber="261">
<subSubSection id="39C8B89D1A5438530EAF3BE5FEE14727" pageId="21" pageNumber="261" type="nomenclature">
<paragraph id="716DEB161A5438530EAF3BE5FE5F4706" blockId="21.[151,455,764,823]" box="[151,455,764,790]" pageId="21" pageNumber="261">
<heading id="2A255C7A1A5438530EAF3BE5FE5F4706" bold="true" box="[151,455,764,790]" fontSize="11" level="1" pageId="21" pageNumber="261" reason="1">
<emphasis id="43A637041A5438530EAF3BE5FE5F4706" bold="true" box="[151,455,764,790]" pageId="21" pageNumber="261">
<taxonomicName id="B6D290951A5438530EAF3BE5FEE64706" ID-CoL="7BPXR" box="[151,382,764,790]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="21" pageNumber="261" phylum="Annelida" rank="species" species="akares" status="sp. nov.">
<emphasis id="43A637041A5438530EAF3BE5FEE64706" bold="true" box="[151,382,764,790]" italics="true" pageId="21" pageNumber="261">Terebellides akares</emphasis>
</taxonomicName>
<taxonomicNameLabel id="58958A7F1A5438530FBC3BE5FE5F4706" box="[388,455,764,790]" pageId="21" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="716DEB161A5438530EAF3A07FEE14727" blockId="21.[151,455,764,823]" box="[151,377,798,823]" pageId="21" pageNumber="261">
(
<figureCitation id="E9E9F7931A5438530EA73A07FF784727" box="[159,224,798,823]" captionStart="FIGURE 1" captionStartId="1.[151,250,1877,1899]" captionTargetBox="[207,1381,181,1847]" captionTargetId="figure@1.[203,1385,177,1850]" captionTargetPageId="1" captionText="FIGURE 1. Live specimens. A, Streblosoma curvus n. sp., AM W. 44276, MI QLD 2355; B – C. AM W. 44287, MI QLD 2375; D – F. Thelepus paiderotos n. sp., AM W. 44600, MI QLD 2397 (D – E), AM W. 44283, MI QLD 2368 (F); G – H. Terebellides akares n. sp., AM W. 45450, MI QLD 2445; I. Trichobranchus hirsutus n. sp., AM W. 45444, MI QLD 2444. Photos: A – I – A. Semenov." httpUri="https://zenodo.org/record/253394/files/figure.png" pageId="21" pageNumber="261">Figs 1</figureCitation>
G–H, 12–16)
</paragraph>
</subSubSection>
<subSubSection id="39C8B89D1A5438530EAF3A7FFAF140F7" pageId="21" pageNumber="261" type="materials_examined">
<paragraph id="716DEB161A5438530EAF3A7FFD4D401F" blockId="21.[151,1437,870,2011]" pageId="21" pageNumber="261">
<emphasis id="43A637041A5438530EAF3A7FFED0476F" bold="true" box="[151,328,870,895]" pageId="21" pageNumber="261">
<typeStatus id="AE6955B41A5438530EAF3A7FFF4A476F" box="[151,210,870,895]" pageId="21" pageNumber="261">Type</typeStatus>
material.
</emphasis>
<typeStatus id="AE6955B41A5438530F6B3A7FFE58476F" box="[339,448,870,895]" pageId="21" pageNumber="261" type="holotype">Holotype</typeStatus>
:
<collectionCode id="17C373D31A5438530FF63A7EFD94476E" box="[462,524,871,894]" httpUri="http://grbio.org/cool/jg13-7fbc" name="Northern Territory Museum of Arts and Sciences" pageId="21" pageNumber="261">NTM</collectionCode>
W.
<date id="056CCDD61A5438530C0E3A7EFD15476F" box="[566,653,871,895]" pageId="21" pageNumber="261" value="43-02-31">023143</date>
, Lizard Island, S end of Coconut Beach, reef flat,
<geoCoordinate id="14E68DD11A5438530ADD3A7EFA0F476F" box="[1253,1431,871,895]" direction="south" orientation="latitude" pageId="21" pageNumber="261" precision="1" value="-14.695033">14°41'42.120&quot;S</geoCoordinate>
,
<geoCoordinate id="14E68DD11A5438530EAF3A93FEC147B3" box="[151,345,906,931]" direction="east" orientation="longitude" pageId="21" pageNumber="261" precision="1" value="145.46979">145°28'11.280&quot;E</geoCoordinate>
, coll. C. Glasby,
<date id="056CCDD61A5438530C1F3A93FD2A47B3" box="[551,690,906,931]" pageId="21" pageNumber="261" value="2008-04-05">5 Apr 2008</date>
, CReefs, complete,
<quantity id="B62A46F31A5438530DA63A92FC7B47B2" box="[926,995,907,930]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="21" pageNumber="261" unit="mm" value="7.0">7 mm</quantity>
long,
<quantity id="B62A46F31A5438530A093A92FBEE47B2" box="[1073,1142,907,931]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="21" pageNumber="261" unit="mm" value="1.0">1 mm</quantity>
wide, with 45 segments.
<typeStatus id="AE6955B41A5438530EAF3AB6FE9147D7" box="[151,265,943,967]" pageId="21" pageNumber="261" type="paratype">Paratypes</typeStatus>
:
<collectionCode id="17C373D31A5438530F2C3AB6FECA47D6" box="[276,338,943,966]" httpUri="http://grbio.org/cool/jg13-7fbc" name="Northern Territory Museum of Arts and Sciences" pageId="21" pageNumber="261">NTM</collectionCode>
W.025894 (2, 1 mounted on SEM pin), both complete,
<quantity id="B62A46F31A5438530DF43AB6FB8547D6" box="[972,1053,943,967]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="21" pageNumber="261" unit="mm" value="10.0">10 mm</quantity>
long,
<quantity id="B62A46F31A5438530A5D3AB7FB2447D6" box="[1125,1212,942,967]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="21" pageNumber="261" unit="mm" value="1.5">1.5 mm</quantity>
wide, 45 segments, gravid;
<quantity id="B62A46F31A5438530ED73ACBFEAA47FA" box="[239,306,978,1003]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="21" pageNumber="261" unit="mm" value="5.0">5 mm</quantity>
long, 1.0 mm wide, 37 segments; AM W.45831, MI QLD 2441 (1 mounted on 2 SEM pins); AM W.47596, CReefs, intertidal, mounted on SEM pin.
</paragraph>
<paragraph id="716DEB161A5438530EFF3D03FAF140F7" blockId="21.[151,1437,870,2011]" pageId="21" pageNumber="261">
<emphasis id="43A637041A5438530EFF3D03FD9A4023" bold="true" box="[199,514,1050,1075]" pageId="21" pageNumber="261">Other material examined.</emphasis>
AM W.47624, MI QLD 2205, South of Mermaid Cove,
<geoCoordinate id="14E68DD11A5438530AA53D03FA864023" box="[1181,1310,1050,1075]" direction="south" orientation="latitude" pageId="21" pageNumber="261" precision="15" value="-14.648055">14°38'53&quot;S</geoCoordinate>
,
<geoCoordinate id="14E68DD11A5438530B163D03FA0F4023" box="[1326,1431,1050,1075]" direction="east" orientation="longitude" pageId="21" pageNumber="261" precision="925" value="145.45">145°27'E</geoCoordinate>
, coarse coral rubble,
<quantity id="B62A46F31A5438530F433D27FE534046" box="[379,459,1086,1111]" metricMagnitude="1" metricUnit="m" metricValue="1.45" pageId="21" pageNumber="261" unit="m" value="14.5">14.5 m</quantity>
,
<date id="056CCDD61A5438530FEF3D26FDC24047" box="[471,602,1087,1111]" pageId="21" pageNumber="261" value="2010-09-01">1 Sep 2010</date>
, CReefs, LI–10–047, complete, small, 34 segments; AM W.47625, Lizard Island, MacGillivray Reef,
<geoCoordinate id="14E68DD11A5438530FE13D7BFDC3406B" box="[473,603,1122,1147]" direction="south" orientation="latitude" pageId="21" pageNumber="261" precision="15" value="-14.6475">14°38'51&quot;S</geoCoordinate>
,
<geoCoordinate id="14E68DD11A5438530C533D7BFD64406B" box="[619,764,1122,1147]" direction="east" orientation="longitude" pageId="21" pageNumber="261" precision="15" value="145.48778">145°29'16&quot;E</geoCoordinate>
, coral rubble,
<quantity id="B62A46F31A5438530D933D7BFB90406A" box="[939,1032,1122,1147]" metricMagnitude="1" metricUnit="m" metricValue="1.15" metricValueMax="1.6" metricValueMin="0.7" pageId="21" pageNumber="261" unit="m" value="11.5" valueMax="16.0" valueMin="7.0">7–16 m</quantity>
,
<date id="056CCDD61A5438530A203D7AFB3B406B" box="[1048,1187,1123,1147]" pageId="21" pageNumber="261" value="2010-09-03">3 Sep 2010</date>
, CReefs, LI–10–062, complete, 40–41 segments,
<quantity id="B62A46F31A5438530FEF3D9EFD83408E" box="[471,539,1159,1182]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="21" pageNumber="261" unit="mm" value="7.0">7 mm</quantity>
long, ~
<quantity id="B62A46F31A5438530C4E3D9FFD57408E" box="[630,719,1158,1183]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="21" pageNumber="261" unit="mm" value="1.5">1.5 mm</quantity>
maximum width (segs 11–12); AM W.47626, MI QLD 2244, High Rock,
<geoCoordinate id="14E68DD11A5438530F183DB2FE3940D3" box="[288,417,1195,1219]" direction="south" orientation="latitude" pageId="21" pageNumber="261" precision="15" value="-14.826111">14°49'34&quot;S</geoCoordinate>
,
<geoCoordinate id="14E68DD11A5438530F953DB3FDA640D3" box="[429,574,1194,1219]" direction="east" orientation="longitude" pageId="21" pageNumber="261" precision="15" value="145.55223">145°33'08&quot;E</geoCoordinate>
, coral rubble,
<quantity id="B62A46F31A5438530CD83DB2FC8440D2" box="[736,796,1195,1219]" metricMagnitude="1" metricUnit="m" metricValue="2.0" pageId="21" pageNumber="261" unit="m" value="20.0">20 m</quantity>
,
<date id="056CCDD61A5438530D103DB2FC2F40D3" box="[808,951,1195,1219]" pageId="21" pageNumber="261" value="2010-09-11">11 Sep 2010</date>
, CReefs, LI–10–134, very small specimen, in poor state of preservation, with ~40 segments; AM W.44168, MI QLD 2359; AM W.44573, MI QLD 2406.
</paragraph>
</subSubSection>
<subSubSection id="39C8B89D1A54385C0EFF3DEBFC454575" lastPageId="26" lastPageNumber="266" pageId="21" pageNumber="261" type="description">
<paragraph id="716DEB161A5438510EFF3DEBFB5E43F5" blockId="21.[151,1437,870,2011]" lastBlockId="23.[151,1437,1796,2021]" lastPageId="23" lastPageNumber="263" pageId="21" pageNumber="261">
<emphasis id="43A637041A5438530EFF3DEBFEC1411B" bold="true" box="[199,345,1266,1291]" pageId="21" pageNumber="261">Description.</emphasis>
In life with reddish body and dark red branchiae, with well developed vascular system, buccal tentacles colourless (
<figureCitation id="E9E9F7931A5438530FB83C0FFE27413F" box="[384,447,1302,1327]" captionStart="FIGURE 1" captionStartId="1.[151,250,1877,1899]" captionTargetBox="[207,1381,181,1847]" captionTargetId="figure@1.[203,1385,177,1850]" captionTargetPageId="1" captionText="FIGURE 1. Live specimens. A, Streblosoma curvus n. sp., AM W. 44276, MI QLD 2355; B – C. AM W. 44287, MI QLD 2375; D – F. Thelepus paiderotos n. sp., AM W. 44600, MI QLD 2397 (D – E), AM W. 44283, MI QLD 2368 (F); G – H. Terebellides akares n. sp., AM W. 45450, MI QLD 2445; I. Trichobranchus hirsutus n. sp., AM W. 45444, MI QLD 2444. Photos: A – I – A. Semenov." httpUri="https://zenodo.org/record/253394/files/figure.png" pageId="21" pageNumber="261">Fig. 1</figureCitation>
G–H). Transverse prostomium attached to dorsal surface of upper lip; basal part without eyespots; distal part extending along dorsal margin of upper lip until near anterior margin. Buccal tentacles of two
<typeStatus id="AE6955B41A5438530EAF3C46FF4D4167" box="[151,213,1375,1399]" pageId="21" pageNumber="261">types</typeStatus>
, short tentacles uniformly cylindrical, slightly expanded at tips, long tentacles more expanded at tips, foliaceous (
<figureCitation id="E9E9F7931A5438530F213C9BFEF5418B" box="[281,365,1410,1435]" captionStart="FIGURE 12" captionStartId="22.[151,250,1858,1880]" captionTargetBox="[216,1373,197,1839]" captionTargetId="figure@22.[210,1377,193,1844]" captionTargetPageId="22" captionText="FIGURE 12. Terebellides akares n. sp., holotype NTM W. 023143. A – D. Entire worm, right dorso-lateral, right and left laterals, and ventral view, respectively; E – H. Anterior end, ventral, left and right laterals, and right dorso-lateral views; I – M. Close ups of anterior end, left and right lateral, each in two progressively closer views, and ventral view, respectively, unspecified arrow in J points to nephridial papilla, arrows in M point to neuropodia; N – O. Posterior end, right and left lateral views, respectively. Abbreviations: numbers refer to segments, ll = lower lip, ul = upper lip. Scale bars: A – D = 0.7 mm, E – F, H – I, K, N – O = 0.3 mm, G = 0.5 mm, J, L – M = 0.2 mm." httpUri="https://zenodo.org/record/253405/files/figure.png" pageId="21" pageNumber="261">Figs 12</figureCitation>
A–M; 14A–G, K; 15A–B; 16A–E, H). Peristomium forming lips, continuing dorsally as narrow annulation; upper lip large, longer than wide, convoluted; lower lip developed, projecting forwards, with laterally rounded nearly straight distally marginal lobe (
<figureCitation id="E9E9F7931A5438530C8F3CD3FC9441F3" box="[695,780,1482,1507]" captionStart="FIGURE 12" captionStartId="22.[151,250,1858,1880]" captionTargetBox="[216,1373,197,1839]" captionTargetId="figure@22.[210,1377,193,1844]" captionTargetPageId="22" captionText="FIGURE 12. Terebellides akares n. sp., holotype NTM W. 023143. A – D. Entire worm, right dorso-lateral, right and left laterals, and ventral view, respectively; E – H. Anterior end, ventral, left and right laterals, and right dorso-lateral views; I – M. Close ups of anterior end, left and right lateral, each in two progressively closer views, and ventral view, respectively, unspecified arrow in J points to nephridial papilla, arrows in M point to neuropodia; N – O. Posterior end, right and left lateral views, respectively. Abbreviations: numbers refer to segments, ll = lower lip, ul = upper lip. Scale bars: A – D = 0.7 mm, E – F, H – I, K, N – O = 0.3 mm, G = 0.5 mm, J, L – M = 0.2 mm." httpUri="https://zenodo.org/record/253405/files/figure.png" pageId="21" pageNumber="261">Figs 12</figureCitation>
B–G, I–M; 14K; 15A–B; 16B–C, E). Anterior segments, until segment 10, with thickened anterior margins lateral and ventrally, forming low lobes as short collars across ventrum covering posterior part of preceeding segment, lobes progressively shorter from segment 3; segment 1 short, conspicuous dorsally, much shorter than following segments, more developed laterally and ventrally, below expanded lower lip, with almost inconspicuous ventral collar; segment 2 dorsally thin, with main stem of branchiae, more developed laterally and ventrally; segment 3 dorsally fused to segment 2, more developed ventrally, as protruding crest, at an angle with anterior segments; following segments aligned with segment 4 (
<figureCitation id="E9E9F7931A5438530B523FBBFF3842CF" captionStart="FIGURE 1" captionStartId="1.[151,250,1877,1899]" captionTargetBox="[207,1381,181,1847]" captionTargetId="figure@1.[203,1385,177,1850]" captionTargetPageId="1" captionText="FIGURE 1. Live specimens. A, Streblosoma curvus n. sp., AM W. 44276, MI QLD 2355; B – C. AM W. 44287, MI QLD 2375; D – F. Thelepus paiderotos n. sp., AM W. 44600, MI QLD 2397 (D – E), AM W. 44283, MI QLD 2368 (F); G – H. Terebellides akares n. sp., AM W. 45450, MI QLD 2445; I. Trichobranchus hirsutus n. sp., AM W. 45444, MI QLD 2444. Photos: A – I – A. Semenov." httpUri="https://zenodo.org/record/253394/files/figure.png" pageId="21" pageNumber="261">Figs 1</figureCitation>
G–H; 12A–M; 12A–M; 14A–B, K–L; 15A–B; 16B–C, E). Single 5-lobed lamellate branchia, lamellae on both sides with several rows of cilia and distal row of scattered papillae ciliated at tips; posterior pair of lobes much shorter, completely free (
<figureCitation id="E9E9F7931A5438530F953E17FE684337" box="[429,496,1806,1831]" captionStart="FIGURE 1" captionStartId="1.[151,250,1877,1899]" captionTargetBox="[207,1381,181,1847]" captionTargetId="figure@1.[203,1385,177,1850]" captionTargetPageId="1" captionText="FIGURE 1. Live specimens. A, Streblosoma curvus n. sp., AM W. 44276, MI QLD 2355; B – C. AM W. 44287, MI QLD 2375; D – F. Thelepus paiderotos n. sp., AM W. 44600, MI QLD 2397 (D – E), AM W. 44283, MI QLD 2368 (F); G – H. Terebellides akares n. sp., AM W. 45450, MI QLD 2445; I. Trichobranchus hirsutus n. sp., AM W. 45444, MI QLD 2444. Photos: A – I – A. Semenov." httpUri="https://zenodo.org/record/253394/files/figure.png" pageId="21" pageNumber="261">Figs 1</figureCitation>
H; 12A–M; 14A, C–D, G–J; 15A–B; 16A–B, D, F, H–J). Notopodia beginning from segment 3, first two pairs shorter than following ones, especially first one (
<figureCitation id="E9E9F7931A5438530DDA3E2BFBAE435B" box="[994,1078,1842,1867]" captionStart="FIGURE 12" captionStartId="22.[151,250,1858,1880]" captionTargetBox="[216,1373,197,1839]" captionTargetId="figure@22.[210,1377,193,1844]" captionTargetPageId="22" captionText="FIGURE 12. Terebellides akares n. sp., holotype NTM W. 023143. A – D. Entire worm, right dorso-lateral, right and left laterals, and ventral view, respectively; E – H. Anterior end, ventral, left and right laterals, and right dorso-lateral views; I – M. Close ups of anterior end, left and right lateral, each in two progressively closer views, and ventral view, respectively, unspecified arrow in J points to nephridial papilla, arrows in M point to neuropodia; N – O. Posterior end, right and left lateral views, respectively. Abbreviations: numbers refer to segments, ll = lower lip, ul = upper lip. Scale bars: A – D = 0.7 mm, E – F, H – I, K, N – O = 0.3 mm, G = 0.5 mm, J, L – M = 0.2 mm." httpUri="https://zenodo.org/record/253405/files/figure.png" pageId="21" pageNumber="261">Figs 12</figureCitation>
A–M; 14A–D, G, K–L; 15A–B, D–E, H–I; 16A–E); narrowly-winged notochaetae in both rows, wings barely visible under light microscopy, visible as short and fine hairs under SEM, those of chaetae of posterior row only present on distal half of chaetae; chaetae of anterior row about 2/3 length of those of posterior row (
<figureCitation id="E9E9F7931A5438530DA63E87FC6B43A7" box="[926,1011,1950,1975]" captionStart="FIGURE 13" captionStartId="23.[151,250,1615,1637]" captionTargetBox="[178,1409,181,1592]" captionTargetId="figure@23.[177,1410,180,1601]" captionTargetPageId="23" captionText="FIGURE 13. Terebellides akares n. sp., AM W. 44168. A – D. Notochaetae, segments 8 and 16, respectively, both under progressively higher magnifications; E – F. Neuropodial spines, segments 7 and 8, respectively; G – I. Uncini, segment 15, under progressively higher magnifications; J – L. Uncini, segment 22, under lower and higher magnifications; M. Uncini, segment 33. Scale bars: A, C = 50 Μm, B, E – F, H, J = 20 Μm, D, G = 30 Μm, I, M = 10 Μm, K – L = 5 Μm." httpUri="https://zenodo.org/record/253406/files/figure.png" pageId="21" pageNumber="261">Figs 13</figureCitation>
A–D; 15D–I). Neuropodia beginning from segment 7, sessile, chaetae emerging directly from body wall. Neurochaetae of first 1–2 segments as thin, distally tapered acicular spines subdistally bent at right angle, those of first pair (segment 7) shorter and with bayonet-like tip (
<figureCitation id="E9E9F7931A5638510F6E3E3FFE30432F" box="[342,424,1830,1855]" captionStart="FIGURE 13" captionStartId="23.[151,250,1615,1637]" captionTargetBox="[178,1409,181,1592]" captionTargetId="figure@23.[177,1410,180,1601]" captionTargetPageId="23" captionText="FIGURE 13. Terebellides akares n. sp., AM W. 44168. A – D. Notochaetae, segments 8 and 16, respectively, both under progressively higher magnifications; E – F. Neuropodial spines, segments 7 and 8, respectively; G – I. Uncini, segment 15, under progressively higher magnifications; J – L. Uncini, segment 22, under lower and higher magnifications; M. Uncini, segment 33. Scale bars: A, C = 50 Μm, B, E – F, H, J = 20 Μm, D, G = 30 Μm, I, M = 10 Μm, K – L = 5 Μm." httpUri="https://zenodo.org/record/253406/files/figure.png" pageId="23" pageNumber="263">Figs 13</figureCitation>
E–F; 15H–I, L); following neuropodia with acicular uncini with 4 rows of secondary teeth until end of notopodia; abdominal neuropodia as foliaceous pinnules, bearing avicular uncini with 3–4 rows of secondary teeth; relatively few uncini per torus throughout (
<figureCitation id="E9E9F7931A5638510D703E70FC054391" box="[840,925,1897,1922]" captionStart="FIGURE 13" captionStartId="23.[151,250,1615,1637]" captionTargetBox="[178,1409,181,1592]" captionTargetId="figure@23.[177,1410,180,1601]" captionTargetPageId="23" captionText="FIGURE 13. Terebellides akares n. sp., AM W. 44168. A – D. Notochaetae, segments 8 and 16, respectively, both under progressively higher magnifications; E – F. Neuropodial spines, segments 7 and 8, respectively; G – I. Uncini, segment 15, under progressively higher magnifications; J – L. Uncini, segment 22, under lower and higher magnifications; M. Uncini, segment 33. Scale bars: A, C = 50 Μm, B, E – F, H, J = 20 Μm, D, G = 30 Μm, I, M = 10 Μm, K – L = 5 Μm." httpUri="https://zenodo.org/record/253406/files/figure.png" pageId="23" pageNumber="263">Figs 13</figureCitation>
G–M; 14A–B, K–L; 15A–C, H–N; 16B, G). Remarkably short abdomen, with compact segments, about 1/3–1/4 of extension of region with notopodia (
<figureCitation id="E9E9F7931A5638510B523E93FF2A43D4" captionStart="FIGURE 12" captionStartId="22.[151,250,1858,1880]" captionTargetBox="[216,1373,197,1839]" captionTargetId="figure@22.[210,1377,193,1844]" captionTargetPageId="22" captionText="FIGURE 12. Terebellides akares n. sp., holotype NTM W. 023143. A – D. Entire worm, right dorso-lateral, right and left laterals, and ventral view, respectively; E – H. Anterior end, ventral, left and right laterals, and right dorso-lateral views; I – M. Close ups of anterior end, left and right lateral, each in two progressively closer views, and ventral view, respectively, unspecified arrow in J points to nephridial papilla, arrows in M point to neuropodia; N – O. Posterior end, right and left lateral views, respectively. Abbreviations: numbers refer to segments, ll = lower lip, ul = upper lip. Scale bars: A – D = 0.7 mm, E – F, H – I, K, N – O = 0.3 mm, G = 0.5 mm, J, L – M = 0.2 mm." httpUri="https://zenodo.org/record/253405/files/figure.png" pageId="23" pageNumber="263">Figs 12</figureCitation>
A–D, N–O; 14A–B; 15C). Nephridial papillae on segment 3, genital papillae on segments 6–7, not always conspicuous (
<figureCitation id="E9E9F7931A5638510F083ED5FE1D43F5" box="[304,389,1996,2021]" captionStart="FIGURE 15" captionStartId="25.[151,250,1858,1880]" captionTargetBox="[216,1370,194,1826]" captionTargetId="figure@25.[215,1371,193,1837]" captionTargetPageId="25" captionText="FIGURE 15. Terebellides akares n. sp., paratype NTM W. 025894. A – B. Progressively closer views of anterior end, left lateral view; C. Posterior end, right lateral view; D. Notopodia, segments 5 – 10, arrows point to genital papillae of segments 6 – 7; E – G. Notochaetae, segment 7, in progressively closer views; H – I. Neuropodia, segments 7 – 8, from right and left sides of body; J. Neuropodium, segment 22; K. Uncini, segment 22; L. Neuropodial spines, segment 7; M. Uncini, segment 13; N. Uncini, segment 22. Scale bars: A = 300 Μm, B = 200 Μm, C – D = 100 Μm, E, H = 50 Μm, F = 20 Μm, G, J = 10 Μm, I = 40 Μm, K, M = 5 Μm, L = 6 Μm, N = 2 Μm." httpUri="https://zenodo.org/record/253408/files/figure.png" pageId="23" pageNumber="263">Figs 15</figureCitation>
D; 16C). Pygidium smooth to slightly crenulate (
<figureCitation id="E9E9F7931A5638510D913ED5FC6443F5" box="[937,1020,1996,2021]" captionStart="FIGURE 12" captionStartId="22.[151,250,1858,1880]" captionTargetBox="[216,1373,197,1839]" captionTargetId="figure@22.[210,1377,193,1844]" captionTargetPageId="22" captionText="FIGURE 12. Terebellides akares n. sp., holotype NTM W. 023143. A – D. Entire worm, right dorso-lateral, right and left laterals, and ventral view, respectively; E – H. Anterior end, ventral, left and right laterals, and right dorso-lateral views; I – M. Close ups of anterior end, left and right lateral, each in two progressively closer views, and ventral view, respectively, unspecified arrow in J points to nephridial papilla, arrows in M point to neuropodia; N – O. Posterior end, right and left lateral views, respectively. Abbreviations: numbers refer to segments, ll = lower lip, ul = upper lip. Scale bars: A – D = 0.7 mm, E – F, H – I, K, N – O = 0.3 mm, G = 0.5 mm, J, L – M = 0.2 mm." httpUri="https://zenodo.org/record/253405/files/figure.png" pageId="23" pageNumber="263">Figs 12</figureCitation>
A–D, N–O; 15C).
</paragraph>
<caption id="25ADBB9E1A5738500EAF3E5BFD5743E1" httpUri="https://zenodo.org/record/253405/files/figure.png" pageId="22" pageNumber="262" targetBox="[216,1373,197,1839]" targetPageId="22">
<paragraph id="716DEB161A5738500EAF3E5BFD5743E1" blockId="22.[151,1437,1858,2033]" pageId="22" pageNumber="262">
<emphasis id="43A637041A5738500EAF3E5BFEBC4348" bold="true" box="[151,292,1858,1880]" pageId="22" pageNumber="262">FIGURE 12.</emphasis>
<taxonomicName id="B6D290951A5738500F173E5BFE6F4348" box="[303,503,1858,1880]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="22" pageNumber="262" phylum="Annelida" rank="species" species="akares" status="sp. nov.">
<emphasis id="43A637041A5738500F173E5BFE6F4348" box="[303,503,1858,1880]" italics="true" pageId="22" pageNumber="262">Terebellides akares</emphasis>
</taxonomicName>
<taxonomicNameLabel id="58958A7F1A5738500C393E5AFDA54348" box="[513,573,1859,1880]" pageId="22" pageNumber="262" rank="species">n. sp.</taxonomicNameLabel>
, holotype NTM W.023143. A–D. Entire worm, right dorso-lateral, right and left laterals, and ventral view, respectively; E–H. Anterior end, ventral, left and right laterals, and right dorso-lateral views; I–M. Close ups of anterior end, left and right lateral, each in two progressively closer views, and ventral view, respectively, unspecified arrow in J points to nephridial papilla, arrows in M point to neuropodia; N–O. Posterior end, right and left lateral views, respectively. Abbreviations: numbers refer to segments, ll = lower lip, ul = upper lip. Scale bars: A–D = 0.7 mm, E–F, H–I, K, N–O = 0.3 mm, G = 0.5 mm, J, L–M = 0.2 mm.
</paragraph>
</caption>
<caption id="25ADBB9E1A5638510EAF3F56FBA242D2" httpUri="https://zenodo.org/record/253406/files/figure.png" pageId="23" pageNumber="263" targetBox="[178,1409,181,1592]" targetPageId="23">
<paragraph id="716DEB161A5638510EAF3F56FBA242D2" blockId="23.[151,1436,1615,1730]" pageId="23" pageNumber="263">
<emphasis id="43A637041A5638510EAF3F56FEBC4275" bold="true" box="[151,292,1615,1637]" pageId="23" pageNumber="263">FIGURE 13.</emphasis>
<taxonomicName id="B6D290951A5638510F173F56FE604275" box="[303,504,1615,1637]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="23" pageNumber="263" phylum="Annelida" rank="species" species="akares" status="sp. nov.">
<emphasis id="43A637041A5638510F173F56FE604275" box="[303,504,1615,1637]" italics="true" pageId="23" pageNumber="263">Terebellides akares</emphasis>
</taxonomicName>
<taxonomicNameLabel id="58958A7F1A5638510C3B3F49FDD84275" box="[515,576,1616,1637]" pageId="23" pageNumber="263" rank="species">n. sp.</taxonomicNameLabel>
, AM W.44168. A–D. Notochaetae, segments 8 and 16, respectively, both under progressively higher magnifications; E–F. Neuropodial spines, segments 7 and 8, respectively; G–I. Uncini, segment 15, under progressively higher magnifications; J–L. Uncini, segment 22, under lower and higher magnifications; M. Uncini, segment 33. Scale bars: A, C = 50 Μm, B, E–F, H, J = 20 Μm, D, G = 30 Μm, I, M = 10 Μm, K–L = 5 Μm.
</paragraph>
</caption>
<caption id="25ADBB9E1A59385E0EAF3E05FF7443DB" httpUri="https://zenodo.org/record/253407/files/figure.png" pageId="24" pageNumber="264" targetBox="[175,1423,197,1802]" targetPageId="24">
<paragraph id="716DEB161A59385E0EAF3E05FF7443DB" blockId="24.[151,1436,1820,1995]" pageId="24" pageNumber="264">
<emphasis id="43A637041A59385E0EAF3E05FEBE4322" bold="true" box="[151,294,1820,1842]" pageId="24" pageNumber="264">FIGURE 14.</emphasis>
<taxonomicName id="B6D290951A59385E0F0B3E05FE654322" box="[307,509,1820,1842]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="24" pageNumber="264" phylum="Annelida" rank="species" species="akares" status="sp. nov.">
<emphasis id="43A637041A59385E0F0B3E05FE654322" box="[307,509,1820,1842]" italics="true" pageId="24" pageNumber="264">Terebellides akares</emphasis>
</taxonomicName>
<taxonomicNameLabel id="58958A7F1A59385E0C313E04FDDE4322" box="[521,582,1821,1842]" pageId="24" pageNumber="264" rank="species">n. sp.</taxonomicNameLabel>
, paratype NTM W.025894. A–B. Entire worm, left lateral and ventral views, respectively; C–D. Progressively closer views of anterior end, dorsal view; E–F. Close ups of buccal tentacles; G. Notopodia, segments 5–10; H–J. Close ups of branchia; K–L. Close ups of anterior end, left lateral view in progressively higher magnifications, ventral and right ventro-lateral views, respectively. Abbreviations: numbers refer to segments, ll = lower lip. Scale bars: A = 500 Μm, B = 700 Μm, C = 400 Μm, D, K = 300 Μm, E = 100 Μm, F, I = 20 Μm, G = 150 Μm, H, J = 70 Μm, L = 200 Μm.
</paragraph>
</caption>
<caption id="25ADBB9E1A58385F0EAF3E5BFE3443E1" httpUri="https://zenodo.org/record/253408/files/figure.png" pageId="25" pageNumber="265" targetBox="[216,1370,194,1826]" targetPageId="25">
<paragraph id="716DEB161A58385F0EAF3E5BFE3443E1" blockId="25.[151,1437,1858,2033]" pageId="25" pageNumber="265">
<emphasis id="43A637041A58385F0EAF3E5BFE874348" bold="true" box="[151,287,1858,1880]" pageId="25" pageNumber="265">FIGURE 15.</emphasis>
<taxonomicName id="B6D290951A58385F0F1D3E5BFE714348" box="[293,489,1858,1880]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="25" pageNumber="265" phylum="Annelida" rank="species" species="akares" status="sp. nov.">
<emphasis id="43A637041A58385F0F1D3E5BFE714348" box="[293,489,1858,1880]" italics="true" pageId="25" pageNumber="265">Terebellides akares</emphasis>
</taxonomicName>
<taxonomicNameLabel id="58958A7F1A58385F0FD73E5AFDBC4348" box="[495,548,1859,1880]" pageId="25" pageNumber="265" rank="species">n. sp.</taxonomicNameLabel>
, paratype NTM W.025894. A–B. Progressively closer views of anterior end, left lateral view; C. Posterior end, right lateral view; D. Notopodia, segments 5–10, arrows point to genital papillae of segments 6–7; E–G. Notochaetae, segment 7, in progressively closer views; H–I. Neuropodia, segments 7–8, from right and left sides of body; J. Neuropodium, segment 22; K. Uncini, segment 22; L. Neuropodial spines, segment 7; M. Uncini, segment 13; N. Uncini, segment 22. Scale bars: A = 300 Μm, B = 200 Μm, C–D = 100 Μm, E, H = 50 Μm, F = 20 Μm, G, J = 10 Μm, I = 40 Μm, K, M = 5 Μm, L = 6 Μm, N = 2 Μm.
</paragraph>
</caption>
<paragraph id="716DEB161A5B385C0EFF398EFC454575" blockId="26.[151,1437,151,1184]" pageId="26" pageNumber="266">
<emphasis id="43A637041A5B385C0EFF398EFEA344A0" bold="true" box="[199,315,151,176]" pageId="26" pageNumber="266">Variation.</emphasis>
Some specimens, such as
<typeStatus id="AE6955B41A5B385C0C453981FD4544A0" box="[637,733,152,176]" pageId="26" pageNumber="266" type="paratype">paratype</typeStatus>
AM W.45831, examined under SEM, have a single pair of neuropodia bearing acicular spines, on segment 8, instead of two pairs, on segments 7 and 8. Those specimens are otherwise similar to animals with acicular spines on segments 7 and 8, and so we consider this as a variable character in
<taxonomicName id="B6D290951A5B385C0F1C381CFE13450D" box="[292,395,260,285]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="akares" status="sp. nov.">
<emphasis id="43A637041A5B385C0F1C381CFE13450D" box="[292,395,260,285]" italics="true" pageId="26" pageNumber="266">T. akares</emphasis>
</taxonomicName>
<taxonomicNameLabel id="58958A7F1A5B385C0FAB381CFE48450C" box="[403,464,261,284]" pageId="26" pageNumber="266" rank="species">n. sp.</taxonomicNameLabel>
In addition, in specimens with two pairs of neuropodia with acicular spines, those of the first pair are always much shorter than spines from the second pair, indicating that they may be so small as to be difficult to see under the SEM, as they do not protrude from the body wall.
</paragraph>
</subSubSection>
<subSubSection id="39C8B89D1A5B385C0EFF3876FC0C47D8" pageId="26" pageNumber="266" type="discussion">
<paragraph id="716DEB161A5B385C0EFF3876FB3C46B8" blockId="26.[151,1437,151,1184]" pageId="26" pageNumber="266">
<emphasis id="43A637041A5B385C0EFF3876FEA34598" bold="true" box="[199,315,367,392]" pageId="26" pageNumber="266">Remarks.</emphasis>
According to
<bibRefCitation id="154396E71A5B385C0FE43869FC854598" author="Parapar" box="[476,797,367,392]" pageId="26" pageNumber="266" refString="Parapar, J. and Hutchings, P. (2014). Redescription of Terebellides stroemii (Polychaeta, Trichobranchidae) and designation of a neotype. Journal of the Marine Biological Association of the United Kingdom, 96 (2), 323 - 337." type="journal article" year="2014">Parapar &amp; Hutchings (2014)</bibRefCitation>
, there is another species of
<taxonomicName id="B6D290951A5B385C0A6B3876FB424598" box="[1107,1242,367,392]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="genus">
<emphasis id="43A637041A5B385C0A6B3876FB424598" box="[1107,1242,367,392]" italics="true" pageId="26" pageNumber="266">Terebellides</emphasis>
</taxonomicName>
having two pairs of neuropodia with spines, on segments 7 and 8,
<taxonomicName id="B6D290951A5B385C0C84388CFA9345BC" authority="Parapar, Moreira &amp; Helgason, 2013" authorityName="Parapar, Moreira &amp; Helgason" authorityYear="2013" box="[700,1291,404,429]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="bigeniculatus">
<emphasis id="43A637041A5B385C0C84388CFCF645BD" box="[700,878,404,429]" italics="true" pageId="26" pageNumber="266">T. bigeniculatus</emphasis>
Parapar, Moreira &amp; Helgason, 2013
</taxonomicName>
.
<taxonomicName id="B6D290951A5B385C0B2D388DFEB645C0" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="bigeniculatus">
<emphasis id="43A637041A5B385C0B2D388DFEB645C0" italics="true" pageId="26" pageNumber="266">Terebellides bigeniculatus</emphasis>
</taxonomicName>
differs from
<taxonomicName id="B6D290951A5B385C0FFF38A0FDB445C0" box="[455,556,439,464]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="akares" status="sp. nov.">
<emphasis id="43A637041A5B385C0FFF38A0FDB445C0" box="[455,556,439,464]" italics="true" pageId="26" pageNumber="266">T. akares</emphasis>
</taxonomicName>
<taxonomicNameLabel id="58958A7F1A5B385C0C0E38A1FDEC45DF" box="[566,628,440,463]" pageId="26" pageNumber="266" rank="species">n. sp.</taxonomicNameLabel>
by having branchial lamellae distally smooth, lacking papillae (visible under light microscopy); neuropodial spines of segments 7 and 8 similar to each other, bent at right angle and gently tapering; abdominal neuropodia as rounded pinnules, with uncini originating all around and separated from each other by deep grooves; and smaller nephridial and genital papillae of segments 6–7. In contrast, branchial lamellae of
<taxonomicName id="B6D290951A5B385C0F253B50FE1A4670" box="[285,386,583,608]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="akares" status="sp. nov.">
<emphasis id="43A637041A5B385C0F253B50FE1A4670" box="[285,386,583,608]" italics="true" pageId="26" pageNumber="266">T. akares</emphasis>
</taxonomicName>
<taxonomicNameLabel id="58958A7F1A5B385C0FB43B51FE51464F" box="[396,457,584,607]" pageId="26" pageNumber="266" rank="species">n. sp.</taxonomicNameLabel>
have a distal row of scattered papillae on both sides; neuropodial spines of segment 7 are bayonet-like chaetae and those of segment 8 are bent at right angle and gently tapering; and abdominal neuropodia are wider than long, with uncini only on top, with shallower grooves in between.
</paragraph>
<paragraph id="716DEB161A5B385C0EFF3BADFC0C47D8" blockId="26.[151,1437,151,1184]" pageId="26" pageNumber="266">
Currently five species are recorded from
<collectingCountry id="09C5AB861A5B385C0C9C3BADFC9346DD" box="[676,779,692,717]" name="Australia" pageId="26" pageNumber="266">Australia</collectingCountry>
and none from the Great Barrier Reef. Of these, only
<taxonomicName id="B6D290951A5B385C0BBF3BACFD9546E0" authority="Hutchings &amp; Peart, 2000" authorityName="Hutchings &amp; Peart" authorityYear="2000" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="narribri">
<emphasis id="43A637041A5B385C0BBF3BACFF6946E0" italics="true" pageId="26" pageNumber="266">T. narribri</emphasis>
<bibRefCitation id="154396E71A5B385C0EC03BCEFD9546E0" author="Hutchings" box="[248,525,727,752]" pageId="26" pageNumber="266" refString="Hutchings, P. A. &amp; Peart, R. (2000) A revision of the Australian Trichobranchidae (Polychaeta). Invertebrate Taxonomy, 14 (2), 225 - 272. http: // dx. doi. org / 10.1071 / IT 98005" type="journal article" year="2000">Hutchings &amp; Peart, 2000</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="B6D290951A5B385C0C7B3BC0FC4746E0" authority="Hutchings &amp; Peart, 2000" authorityName="Hutchings &amp; Peart" authorityYear="2000" box="[579,991,727,752]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="woolawa">
<emphasis id="43A637041A5B385C0C7B3BC0FD5946E0" box="[579,705,727,752]" italics="true" pageId="26" pageNumber="266">T. woolawa</emphasis>
<bibRefCitation id="154396E71A5B385C0CF23BCEFC4746E0" author="Hutchings" box="[714,991,727,752]" pageId="26" pageNumber="266" refString="Hutchings, P. A. &amp; Peart, R. (2000) A revision of the Australian Trichobranchidae (Polychaeta). Invertebrate Taxonomy, 14 (2), 225 - 272. http: // dx. doi. org / 10.1071 / IT 98005" type="journal article" year="2000">Hutchings &amp; Peart, 2000</bibRefCitation>
</taxonomicName>
have five branchial lobes, all the others have four pairs.
<taxonomicName id="B6D290951A5B385C0F743BE5FDBC4705" box="[332,548,764,789]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="akares" status="sp. nov.">
<emphasis id="43A637041A5B385C0F743BE5FDBC4705" box="[332,548,764,789]" italics="true" pageId="26" pageNumber="266">Terebellides akares</emphasis>
</taxonomicName>
<taxonomicNameLabel id="58958A7F1A5B385C0C133BE4FDFF4704" box="[555,615,765,788]" pageId="26" pageNumber="266" rank="species">n. sp.</taxonomicNameLabel>
can be distinguished from
<taxonomicName id="B6D290951A5B385C0DAE3BE4FB8E4705" box="[918,1046,764,789]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="woolawa">
<emphasis id="43A637041A5B385C0DAE3BE4FB8E4705" box="[918,1046,764,789]" italics="true" pageId="26" pageNumber="266">T. woolawa</emphasis>
</taxonomicName>
that has all branchial lobes similar in size in contrast to our new species where the posterior pair is much shorter.
<taxonomicName id="B6D290951A5B385C0A263A06FA904728" box="[1054,1288,799,824]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="narribri">
<emphasis id="43A637041A5B385C0A263A06FA904728" box="[1054,1288,799,824]" italics="true" pageId="26" pageNumber="266">Terebellides narribri</emphasis>
</taxonomicName>
has only the first pair of notopodia reduced, in contrast, our new species has the first two pairs much shorter and with short chaetae, whereas in
<taxonomicName id="B6D290951A5B385C0FB83A70FE6F4790" box="[384,503,871,896]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="narribri">
<emphasis id="43A637041A5B385C0FB83A70FE6F4790" box="[384,503,871,896]" italics="true" pageId="26" pageNumber="266">T. narribri</emphasis>
</taxonomicName>
it is only the podia which are reduced, not the length of the chaetae. Both these previously described Australian species only have the first pair of neuropodia with acicular chaetae, whereas
<taxonomicName id="B6D290951A5B385C0BBF3A94FF7947D8" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="akares" status="sp. nov.">
<emphasis id="43A637041A5B385C0BBF3A94FF7947D8" italics="true" pageId="26" pageNumber="266">T. akares</emphasis>
</taxonomicName>
<taxonomicNameLabel id="58958A7F1A5B385C0EDF3AA9FEBB47D7" box="[231,291,944,967]" pageId="26" pageNumber="266" rank="species">n. sp.</taxonomicNameLabel>
has the first two pairs of neuropodia with such chaetae.
</paragraph>
</subSubSection>
<subSubSection id="39C8B89D1A5B385C0EFF3ACDFCA84025" pageId="26" pageNumber="266" type="etymology">
<paragraph id="716DEB161A5B385C0EFF3ACDFD074000" blockId="26.[151,1437,151,1184]" pageId="26" pageNumber="266">
<emphasis id="43A637041A5B385C0EFF3ACDFED647FD" bold="true" box="[199,334,980,1005]" pageId="26" pageNumber="266">Etymology.</emphasis>
The specific name “
<taxonomicName id="B6D290951A5B385C0C7C3ACDFD1547FD" box="[580,653,980,1005]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="akares">
<emphasis id="43A637041A5B385C0C7C3ACDFD1547FD" box="[580,653,980,1005]" italics="true" pageId="26" pageNumber="266">akares</emphasis>
</taxonomicName>
” refers to the distinctly short abdomen, with compacted segments, from the Greek word “
<taxonomicName id="B6D290951A5B385C0FAC3AEEFE7A4000" box="[404,482,1015,1040]" class="Polychaeta" family="Trichobranchidae" genus="Terebellides" kingdom="Animalia" order="Terebellida" pageId="26" pageNumber="266" phylum="Annelida" rank="species" species="akares">akares</taxonomicName>
”, meaning short.
</paragraph>
<paragraph id="716DEB161A5B385C0EFF3D05FCA84025" blockId="26.[151,1437,151,1184]" box="[199,816,1052,1077]" pageId="26" pageNumber="266">
<emphasis id="43A637041A5B385C0EFF3D05FEB24025" bold="true" box="[199,298,1052,1077]" pageId="26" pageNumber="266">Habitat.</emphasis>
In amongst coral rubble in the intertidal zone.
</paragraph>
</subSubSection>
<subSubSection id="39C8B89D1A5B385C0EFF3D26FE42406D" pageId="26" pageNumber="266" type="materials_examined">
<paragraph id="716DEB161A5B385C0EFF3D26FE42406D" blockId="26.[151,1437,151,1184]" pageId="26" pageNumber="266">
<emphasis id="43A637041A5B385C0EFF3D26FEFD4048" bold="true" box="[199,357,1087,1112]" pageId="26" pageNumber="266">
<typeStatus id="AE6955B41A5B385C0EFF3D26FE9A4048" box="[199,258,1087,1112]" pageId="26" pageNumber="266">Type</typeStatus>
locality.
</emphasis>
Reef flat at south end of Coconut Beach,
<geoCoordinate id="14E68DD11A5B385C0D033D59FC244048" box="[827,956,1088,1112]" direction="south" orientation="latitude" pageId="26" pageNumber="266" precision="15" value="-14.695">14°41'42&quot;S</geoCoordinate>
,
<geoCoordinate id="14E68DD11A5B385C0DF03D26FBC24048" box="[968,1114,1087,1112]" direction="east" orientation="longitude" pageId="26" pageNumber="266" precision="15" value="145.46971">145°28'11”E</geoCoordinate>
, Lizard Island, Great Barrier Reef, Queensland,
<collectingCountry id="09C5AB861A5B385C0F543D7DFE4E406D" box="[364,470,1124,1149]" name="Australia" pageId="26" pageNumber="266">Australia</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="39C8B89D1A5B385C0EFF3D9EFB9F40B0" box="[199,1031,1159,1184]" pageId="26" pageNumber="266" type="distribution">
<paragraph id="716DEB161A5B385C0EFF3D9EFB9F40B0" blockId="26.[151,1437,151,1184]" box="[199,1031,1159,1184]" pageId="26" pageNumber="266">
<emphasis id="43A637041A5B385C0EFF3D9EFEC140B0" bold="true" box="[199,345,1159,1184]" pageId="26" pageNumber="266">Distribution</emphasis>
. Known only from Lizard Island and North Direction Island.
</paragraph>
</subSubSection>
</treatment>
</document>
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