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<document id="81CB022058E57A6AA4BC6D45504909B0" ID-DOI="10.11646/zootaxa.4019.1.8" ID-GBIF-Dataset="9f11b13f-1fcc-4618-a8e2-e2a56340c6a1" ID-ISSN="1175-5326" ID-Zenodo-Dep="240803" ID-ZooBank="8C14F828-F8FB-4783-928B-399B33B4246D" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461259506560" checkinUser="plazi" docAuthor="Capa, María &amp; Murray, Anna" docDate="2015" docId="039D9472FFC52A14DA9409B7D0F5CDAE" docLanguage="en" docName="zt04019p167.pdf" docOrigin="Zootaxa 4019 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Megalomma jubata Capa &amp; Murray, 2015, n. sp." docType="treatment" docVersion="14" lastPageNumber="130" masterDocId="FFA4EC0AFFDB2A34DA03080FD36BCF2B" masterDocTitle="A taxonomic guide to the fanworms (Sabellidae, Annelida) of Lizard Island, Great Barrier Reef, Australia, including new species and new records" masterLastPageNumber="167" masterPageNumber="98" pageNumber="128" updateTime="1698609219861" updateUser="plazi">
<mods:mods id="43321BC7D1B9741DE4B1D291F78CC70B" xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:title id="E160E47A7A636EBA28BB5834DC25A84E">A taxonomic guide to the fanworms (Sabellidae, Annelida) of Lizard Island, Great Barrier Reef, Australia, including new species and new records</mods:title>
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<mods:name id="5E2ECB19AC3D90C55F5EB42AD2ECB253" type="personal">
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<mods:namePart id="D7FF7E493A9B7A3CAD8DB0C2EF827AFE">Capa, María</mods:namePart>
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<mods:namePart id="1AF0DFC463384E58E13984FE063E941D">Murray, Anna</mods:namePart>
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<mods:title id="08EA9961CE4AF0CBB762FA0E256A0D1C">Zootaxa</mods:title>
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<mods:date id="1848A58B50A81F3B244220983EF441D2">2015</mods:date>
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<mods:number id="8FD07E7C396C5A566E4B6D47C20B4ABA">4019</mods:number>
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<mods:classification id="47D3947884D6794C4C09F3051CE5D3C7">journal article</mods:classification>
<mods:identifier id="2242E121A01E591932BC027A64D55C5E" type="DOI">10.11646/zootaxa.4019.1.8</mods:identifier>
<mods:identifier id="453DE8F403E75962E1D72EEF653072DA" type="GBIF-Dataset">9f11b13f-1fcc-4618-a8e2-e2a56340c6a1</mods:identifier>
<mods:identifier id="763783BCD82BD6FF1747F992B513E773" type="ISSN">1175-5326</mods:identifier>
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<mods:identifier id="4CDB6C8CD8D44718020C8634BE925397" type="ZooBank">8C14F828-F8FB-4783-928B-399B33B4246D</mods:identifier>
</mods:mods>
<treatment id="039D9472FFC52A14DA9409B7D0F5CDAE" ID-DOI="http://doi.org/10.5281/zenodo.5064496" ID-GBIF-Taxon="119636928" ID-Zenodo-Dep="5064496" LSID="urn:lsid:plazi:treatment:039D9472FFC52A14DA9409B7D0F5CDAE" httpUri="http://treatment.plazi.org/id/039D9472FFC52A14DA9409B7D0F5CDAE" lastPageId="32" lastPageNumber="130" pageId="30" pageNumber="128">
<subSubSection id="C32E76EFFFC52A2ADA9409B7D393CED8" pageId="30" pageNumber="128" type="nomenclature">
<paragraph id="8B8B2564FFC52A2ADA9409B7D2A0CEF9" blockId="30.[151,459,440,499]" box="[151,459,440,466]" pageId="30" pageNumber="128">
<heading id="D0C39208FFC52A2ADA9409B7D2A0CEF9" bold="true" box="[151,459,440,466]" fontSize="11" level="1" pageId="30" pageNumber="128" reason="1">
<emphasis id="B940F976FFC52A2ADA9409B7D2A0CEF9" bold="true" box="[151,459,440,466]" pageId="30" pageNumber="128">
<taxonomicName id="4C345EE7FFC52A2ADA9409B7D2E9CEF9" ID-CoL="737QW" box="[151,386,440,466]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="30" pageNumber="128" phylum="Annelida" rank="species" species="jubata" status="sp. nov.">
<emphasis id="B940F976FFC52A2ADA9409B7D2E9CEF9" bold="true" box="[151,386,440,466]" italics="true" pageId="30" pageNumber="128">Megalomma jubata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A273440DFFC52A2ADB8A09B7D2A0CEF9" box="[393,459,440,466]" pageId="30" pageNumber="128" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8B8B2564FFC52A2ADA9409D5D393CED8" blockId="30.[151,459,440,499]" box="[151,248,474,499]" pageId="30" pageNumber="128">
(
<figureCitation id="130F39E1FFC52A2ADA9C09D5D39ACED8" box="[159,241,474,499]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C32E76EFFFC52A2ADA940A2DD17DCC1C" pageId="30" pageNumber="128" type="materials_examined">
<paragraph id="8B8B2564FFC52A2ADA940A2DD745CDC4" blockId="30.[151,1437,546,2011]" pageId="30" pageNumber="128">
<emphasis id="B940F976FFC52A2ADA940A2DD2E2CD10" bold="true" box="[151,393,546,571]" pageId="30" pageNumber="128">Material examined.</emphasis>
Queensland, Lizard
<collectingCountry id="F32365F4FFC52A2AD88D0A2DD1BCCD10" box="[654,727,546,571]" name="Iceland" pageId="30" pageNumber="128">Island</collectingCountry>
:
<typeStatus id="548F9BC6FFC52A2AD8E90A2DD03ECD10" box="[746,853,546,571]" pageId="30" pageNumber="128" type="holotype">Holotype</typeStatus>
, AM W.36495, MacGillivray Reef,
<geoCoordinate id="EE0043A3FFC52A2ADF150A2DD6FCCD10" box="[1302,1431,546,571]" direction="south" orientation="latitude" pageId="30" pageNumber="128" precision="15" value="-14.656944">14°39'25&quot;S</geoCoordinate>
,
<geoCoordinate id="EE0043A3FFC52A2ADA940A49D241CD74" box="[151,298,582,607]" direction="east" orientation="longitude" pageId="30" pageNumber="128" precision="15" value="145.49472">145°29′41′′E</geoCoordinate>
, coarse coral rubble,
<quantity id="4CCC8881FFC52A2AD81B0A48D12ECD75" box="[536,581,583,607]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="30" pageNumber="128" unit="m" value="2.0">2 m</quantity>
,
<date id="FF8A03A4FFC52A2AD8530A48D18BCD74" box="[592,736,582,607]" pageId="30" pageNumber="128" value="2009-02-21">21 Feb 2009</date>
.
<typeStatus id="548F9BC6FFC52A2AD8E90A48D031CD74" box="[746,858,583,607]" pageId="30" pageNumber="128" type="paratype">Paratypes</typeStatus>
, AM W.36480 (2), Linnet Reef, Great Barrier Reef,
<geoCoordinate id="EE0043A3FFC52A2ADA940A65D271CDA8" box="[151,282,618,643]" direction="south" orientation="latitude" pageId="30" pageNumber="128" precision="15" value="-14.780556">14°46′50′′S</geoCoordinate>
,
<geoCoordinate id="EE0043A3FFC52A2ADB290A65D2D6CDA8" box="[298,445,618,643]" direction="east" orientation="longitude" pageId="30" pageNumber="128" precision="15" value="145.34944">145°20′58′′E</geoCoordinate>
, coarse coral rubble,
<quantity id="4CCC8881FFC52A2AD8BF0A64D186CDA9" box="[700,749,619,643]" metricMagnitude="0" metricUnit="m" metricValue="4.0" pageId="30" pageNumber="128" unit="m" value="4.0">4 m</quantity>
,
<date id="FF8A03A4FFC52A2AD8FF0A64D0F8CDA8" box="[764,915,618,643]" pageId="30" pageNumber="128" value="2009-02-23">23 Feb 2009</date>
; AM W.36481, Coconut Beach,
<geoCoordinate id="EE0043A3FFC52A2ADF170A65D6FCCDA8" box="[1300,1431,618,643]" direction="south" orientation="latitude" pageId="30" pageNumber="128" precision="15" value="-14.681389">14°40′53′′S</geoCoordinate>
,
<geoCoordinate id="EE0043A3FFC52A2ADA940A81D241CD8C" box="[151,298,654,679]" direction="east" orientation="longitude" pageId="30" pageNumber="128" precision="15" value="145.47249">145°28′21′′E</geoCoordinate>
,
<taxonomicName id="4C345EE7FFC52A2ADB3B0A81D2CDCD8C" box="[312,422,654,679]" class="Bryopsidophyceae" family="Halimedaceae" genus="Halimeda" higherTaxonomySource="GBIF" kingdom="Plantae" order="Bryopsidales" pageId="30" pageNumber="128" phylum="Chlorophyta" rank="genus">
<emphasis id="B940F976FFC52A2ADB3B0A81D2CDCD8C" box="[312,422,654,679]" italics="true" pageId="30" pageNumber="128">Halimeda</emphasis>
</taxonomicName>
algae &amp; coral rubble,
<quantity id="4CCC8881FFC52A2AD8B30A80D18BCD8D" box="[688,736,655,679]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="30" pageNumber="128" unit="m" value="2.0">2 m</quantity>
,
<date id="FF8A03A4FFC52A2AD8EC0A80D01DCD8C" box="[751,886,654,679]" pageId="30" pageNumber="128" value="2009-02-07">7 Feb 2009</date>
; AM W.41106; AM W.47337, Lagoon between Palfrey
<collectingCountry id="F32365F4FFC52A2ADAF20ABDD25ECDE0" box="[241,309,690,715]" name="Iceland" pageId="30" pageNumber="128">Island</collectingCountry>
and South
<collectingCountry id="F32365F4FFC52A2ADBB90ABDD16ACDE0" box="[442,513,690,715]" name="Iceland" pageId="30" pageNumber="128">Island</collectingCountry>
,
<geoCoordinate id="EE0043A3FFC52A2AD80C0ABDD1F9CDE0" box="[527,658,690,715]" direction="south" orientation="latitude" pageId="30" pageNumber="128" precision="15" value="-14.6975">14°41′51′′S</geoCoordinate>
,
<geoCoordinate id="EE0043A3FFC52A2AD8A30ABDD05FCDE0" box="[672,820,690,715]" direction="east" orientation="longitude" pageId="30" pageNumber="128" precision="15" value="145.45027">145°27′01′′E</geoCoordinate>
, coarse coral rubble,
<quantity id="4CCC8881FFC52A2ADE290ABCD732CDE1" box="[1066,1113,691,715]" metricMagnitude="0" metricUnit="m" metricValue="2.0" pageId="30" pageNumber="128" unit="m" value="2.0">2 m</quantity>
,
<date id="FF8A03A4FFC52A2ADE640ABCD787CDE0" box="[1127,1260,691,715]" pageId="30" pageNumber="128" value="2010-09-01">1 Sep 2010</date>
; AM W.47338, Watsons Bay,
<geoCoordinate id="EE0043A3FFC52A2ADB360AD9D2D2CDC4" box="[309,441,726,751]" direction="south" orientation="latitude" pageId="30" pageNumber="128" precision="15" value="-14.657222">14°39′26′′S</geoCoordinate>
,
<geoCoordinate id="EE0043A3FFC52A2ADBC60AD9D13CCDC4" box="[453,599,726,751]" direction="east" orientation="longitude" pageId="30" pageNumber="128" precision="15" value="145.45084">145°27′03′′E</geoCoordinate>
, coarse coral rubble,
<quantity id="4CCC8881FFC52A2AD9450AD9D0E3CDC5" box="[838,904,726,751]" metricMagnitude="0" metricUnit="m" metricValue="4.5" pageId="30" pageNumber="128" unit="m" value="4.5">4.5 m</quantity>
,
<date id="FF8A03A4FFC52A2AD9970AD8D741CDC4" box="[916,1066,727,751]" pageId="30" pageNumber="128" value="2010-08-28">28 Aug 2010</date>
.
</paragraph>
<paragraph id="8B8B2564FFC52A2ADAC40AF5D17DCC1C" blockId="30.[151,1437,546,2011]" pageId="30" pageNumber="128">
<emphasis id="B940F976FFC52A2ADAC40AF5D297CC38" bold="true" box="[199,508,762,787]" pageId="30" pageNumber="128">Other material examined.</emphasis>
Queensland, Heron
<collectingCountry id="F32365F4FFC52A2AD8E00AF5D047CC38" box="[739,812,762,787]" name="Iceland" pageId="30" pageNumber="128">Island</collectingCountry>
: AM W.39514.001 (on SEM), Sykes Reef,
<geoCoordinate id="EE0043A3FFC52A2ADF170AF5D6FCCC38" box="[1300,1431,762,787]" direction="south" orientation="latitude" pageId="30" pageNumber="128" precision="15" value="-23.432222">23°25′56′′S</geoCoordinate>
,
<geoCoordinate id="EE0043A3FFC52A2ADA940B11D241CC1C" box="[151,298,798,823]" direction="east" orientation="longitude" pageId="30" pageNumber="128" precision="15" value="152.03389">152°02′02′′E</geoCoordinate>
,
<quantity id="4CCC8881FFC52A2ADB360B11D21BCC1D" box="[309,368,798,823]" metricMagnitude="1" metricUnit="m" metricValue="1.5" pageId="30" pageNumber="128" unit="m" value="15.0">15 m</quantity>
,
<date id="FF8A03A4FFC52A2ADB7F0B10D178CC1C" box="[380,531,799,823]" pageId="30" pageNumber="128" value="2009-11-14">14 Nov 2009</date>
.
</paragraph>
</subSubSection>
<subSubSection id="C32E76EFFFC52A2ADAC40B4DD7EAC990" pageId="30" pageNumber="128" type="description">
<paragraph id="8B8B2564FFC52A2ADAC40B4DD187C9BC" blockId="30.[151,1437,546,2011]" pageId="30" pageNumber="128">
<emphasis id="B940F976FFC52A2ADAC40B4DD232CC70" bold="true" box="[199,345,834,859]" pageId="30" pageNumber="128">Description.</emphasis>
<typeStatus id="548F9BC6FFC52A2ADB610B4DD2A1CC70" box="[354,458,834,859]" pageId="30" pageNumber="128" type="holotype">Holotype</typeStatus>
a complete specimen,
<quantity id="4CCC8881FFC52A2AD8DB0B4CD041CC71" box="[728,810,835,859]" metricMagnitude="-2" metricUnit="m" metricValue="2.3" pageId="30" pageNumber="128" unit="mm" value="23.0">23 mm</quantity>
long (crown of
<quantity id="4CCC8881FFC52A2AD9E80B4DD75ACC70" box="[1003,1073,834,859]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="30" pageNumber="128" unit="mm" value="5.0">5 mm</quantity>
) and
<quantity id="4CCC8881FFC52A2ADE760B4DD7A4CC71" box="[1141,1231,834,859]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="30" pageNumber="128" unit="mm" value="2.5">2.5 mm</quantity>
wide, with seven thoracic chaetigers and numerous abdominal segments;
<typeStatus id="548F9BC6FFC52A2AD90E0B68D013CC54" box="[781,888,871,895]" pageId="30" pageNumber="128" type="paratype">paratypes</typeStatus>
up to
<quantity id="4CCC8881FFC52A2AD9C20B69D77BCC55" box="[961,1040,870,895]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="30" pageNumber="128" unit="mm" value="25.0">25 mm</quantity>
long (crown
<quantity id="4CCC8881FFC52A2ADEA40B69D786CC54" box="[1191,1261,870,895]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="30" pageNumber="128" unit="mm" value="5.0">5 mm</quantity>
),
<quantity id="4CCC8881FFC52A2ADF030B69D63CCC55" box="[1280,1367,870,895]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="30" pageNumber="128" unit="mm" value="2.5">2.5 mm</quantity>
wide; thorax with 6–11 chaetigers, numerous abdominal chaetigers. Specimens not observed alive. Some preserved specimens with longitudinal bands of pigment on radiolar bases, and three or four faint brown and orange transverse bands of pigment in radioles and pinnules (
<figureCitation id="130F39E1FFC52A2AD90D0BDDD009CCC0" box="[782,866,978,1003]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
A–B). The caruncle may also have faint pigment distally. Some specimens pigmented dorsally and ventrally on thorax and collar, with darker pigment patches ventral to neuropodial tori and between neuro- and notopodia. Radiolar crown with semicircular lobes (
<figureCitation id="130F39E1FFC52A2ADF2A0C15D613CB18" box="[1321,1400,1050,1075]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
A– B). Dorsal and ventral flanges absent. Basal membrane or radiolar flanges absent. About 10 vacuolated cells supporting radioles in cross section basally. Dorsalmost pair of radioles longer than the rest, each with a large subdistal compound eye spiralling around radiolar tip; additional pair of eyes on following two dorsalmost radioles, decreasing in size. Dorsal lips with medium-length radiolar appendages (
<figureCitation id="130F39E1FFC52A2AD9D40CA5D741CBE8" box="[983,1066,1194,1219]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
F), three pairs of dorsal pinnular appendages. Caruncle present (
<figureCitation id="130F39E1FFC52A2ADBF00CC1D129CBCC" box="[499,578,1230,1255]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
C–E, G). Ventral lips and parallel lamellae present, ventral sacs present (
<figureCitation id="130F39E1FFC52A2ADF6C0CC1D3DFCA20" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
D). Posterior peristomial ring collar with dorsal margins fused to faecal groove and forming dorsal pockets at either side and short, rounded dorsal lappets (
<figureCitation id="130F39E1FFC52A2AD8A70D19D193CA04" box="[676,760,1302,1327]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
E); midventral incision separating low ventral lappets (
<figureCitation id="130F39E1FFC52A2ADF6C0D19D3DFCA78" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
D). Glandular ridge on anterior chaetigers absent. Thoracic ventral shields separated from adjacent neuropodial tori by a gap (
<figureCitation id="130F39E1FFC52A2ADB350D51D2E3CA5C" box="[310,392,1374,1399]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
C–D). First ventral shield with m-shaped anterior margin. Interramal eyespots absent. Collar chaetae elongate narrowly-hooded in two oblique rows. Following thoracic chaetigers with conical notopodia, with superior elongate narrowly-hooded and inferior broadly-hooded notochaetae (
<typeStatus id="548F9BC6FFC52A2ADE330DA8D709CA94" box="[1072,1122,1447,1471]" pageId="30" pageNumber="128">type</typeStatus>
B,
<figureCitation id="130F39E1FFC52A2ADE9B0DA9D785CA94" box="[1176,1262,1446,1471]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
H–I). Thoracic neuropodial uncini avicular, with several rows of small similar-sized teeth above main fang (
<figureCitation id="130F39E1FFC52A2ADEED0DC5D62DCAC8" box="[1262,1350,1482,1507]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
J), well developed breast and medium-sized handle. Companion chaetae with dentate appearance on proximal half of hood, distally asymmetrical (
<figureCitation id="130F39E1FFC52A2ADB9A0E1DD286C900" box="[409,493,1554,1579]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
J). Abdominal neuropodia as low elevations with elongate, broadly-hooded chaetae arranged in rows (
<figureCitation id="130F39E1FFC52A2ADB600E39D2DEC964" box="[355,437,1590,1615]" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
K). Notopodial abdominal uncini similar to thoracic uncini but with shorter handles (
<figureCitation id="130F39E1FFC52A2ADF6C0E39D3DFC958" captionStart="FIGURE 12" captionStartId="31.[151,250,1720,1742]" captionTargetBox="[244,1356,372,1689]" captionTargetId="figure@31.[238,1356,368,1696]" captionTargetPageId="31" captionText="FIGURE 12. Megalomma jubata n. sp. A – C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D – L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang." httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="30" pageNumber="128">Fig. 12</figureCitation>
L). Pygidium rounded with scattered eyespots. Pygidial cirrus absent. Tube membranous and embedded with sand, crushed coral fragments and other small debris.
</paragraph>
<paragraph id="8B8B2564FFC52A2ADAC40EADD7EAC990" blockId="30.[151,1437,546,2011]" box="[199,1153,1698,1723]" pageId="30" pageNumber="128">
<emphasis id="B940F976FFC52A2ADAC40EADD250C990" bold="true" box="[199,315,1698,1723]" pageId="30" pageNumber="128">Variation.</emphasis>
<typeStatus id="548F9BC6FFC52A2ADB460EACD2D9C990" box="[325,434,1699,1723]" pageId="30" pageNumber="128" type="paratype">Paratypes</typeStatus>
have 0–5 pairs of compound distal eyes on dorsalmost radioles.
</paragraph>
</subSubSection>
<subSubSection id="C32E76EFFFC52A2ADAC40EC9D6F7C8F0" pageId="30" pageNumber="128" type="discussion">
<paragraph id="8B8B2564FFC52A2ADAC40EC9D6F7C8F0" blockId="30.[151,1437,546,2011]" pageId="30" pageNumber="128">
<emphasis id="B940F976FFC52A2ADAC40EC9D250C9F4" bold="true" box="[199,315,1734,1759]" pageId="30" pageNumber="128">Remarks.</emphasis>
<taxonomicName id="4C345EE7FFC52A2ADB400EC9D175C9F4" box="[323,542,1734,1759]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="30" pageNumber="128" phylum="Annelida" rank="species" species="jubata" status="sp. nov.">
<emphasis id="B940F976FFC52A2ADB400EC9D175C9F4" box="[323,542,1734,1759]" italics="true" pageId="30" pageNumber="128">Megalomma jubata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A273440DFFC52A2AD8240EC8D10FC9F5" box="[551,612,1735,1758]" pageId="30" pageNumber="128" rank="species">n. sp.</taxonomicNameLabel>
is characterised by the presence of a conspicuous caruncle, dorsal collar margins fused to faecal groove forming pockets at either side and with short rounded dorsal lappets, radiolar eyes on 1–5 pairs of dorsalmost radioles, thoracic neuropodial tori separated from ventral shields and inferior thoracic chaetae
<typeStatus id="548F9BC6FFC52A2ADAF70F3CD24FC860" box="[244,292,1843,1867]" pageId="30" pageNumber="128">type</typeStatus>
B. It would therefore be allocated to the informal &quot;Group 1C&quot; (proposed by
<bibRefCitation id="EFA55895FFC52A2ADE9F0F3CD6FEC860" author="Capa" box="[1180,1429,1843,1867]" pageId="30" pageNumber="128" refString="Capa, M. &amp; Murray, A. (2009) Review of the genus Megalomma (Sabellidae: Polychaeta) in Australia with description of three new species, new records and notes on certain features with phylogenetic implications. Records of the Australian Museum, 61, 201 - 224. http: // dx. doi. org / 10.3853 / j. 0067 - 1975.61.2009.1529" type="journal article" year="2009">Capa &amp; Murray 2009</bibRefCitation>
) together with
<taxonomicName id="4C345EE7FFC52A2ADB300F58D1D3C844" authority="Willey, 1905" authorityName="Willey" authorityYear="1905" box="[307,696,1878,1903]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="30" pageNumber="128" phylum="Annelida" rank="species" species="quadrioculatum">
<emphasis id="B940F976FFC52A2ADB300F58D167C844" box="[307,524,1878,1903]" italics="true" pageId="30" pageNumber="128">M. quadrioculatum</emphasis>
(
<bibRefCitation id="EFA55895FFC52A2AD8180F59D1DBC844" author="Willey" box="[539,688,1878,1903]" pageId="30" pageNumber="128" refString="Willey, A. (1905) Report on the Polychaeta collected by Professor Herdman, at Ceylon, in 1902. Report to the Government of Ceylon on the Pearl Oyster Fisheries of the Gulf of Manaar, with supplementary reports upon the Marine Biology of Ceylon, by Other Naturalists. Part IV supplementary report, 30, 212 - 324." type="journal article" year="1905">Willey, 1905</bibRefCitation>
)
</taxonomicName>
, that also bears a caruncle.
<taxonomicName id="4C345EE7FFC52A2AD9EC0F59D7A1C844" box="[1007,1226,1878,1903]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="30" pageNumber="128" phylum="Annelida" rank="species" species="jubata" status="sp. nov.">
<emphasis id="B940F976FFC52A2AD9EC0F59D7A1C844" box="[1007,1226,1878,1903]" italics="true" pageId="30" pageNumber="128">Megalomma jubata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A273440DFFC52A2ADED20F58D665C845" box="[1233,1294,1879,1902]" pageId="30" pageNumber="128" rank="species">n. sp.</taxonomicNameLabel>
differs from
<taxonomicName id="4C345EE7FFC52A2ADA940F73D21AC8B8" box="[151,369,1914,1939]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="30" pageNumber="128" phylum="Annelida" rank="species" species="quadrioculatum">
<emphasis id="B940F976FFC52A2ADA940F73D21AC8B8" box="[151,369,1914,1939]" italics="true" pageId="30" pageNumber="128">M. quadrioculatum</emphasis>
</taxonomicName>
in the shape of the inferior thoracic chaetae, which are
<typeStatus id="548F9BC6FFC52A2AD9FB0F74D743C8B8" box="[1016,1064,1915,1939]" pageId="30" pageNumber="128">type</typeStatus>
B, compared with
<typeStatus id="548F9BC6FFC52A2ADF0B0F74D653C8B8" box="[1288,1336,1915,1939]" pageId="30" pageNumber="128">type</typeStatus>
A in
<taxonomicName id="4C345EE7FFC52A2ADF7E0F73D221C89C" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="30" pageNumber="128" phylum="Annelida" rank="species" species="quadrioculatum">
<emphasis id="B940F976FFC52A2ADF7E0F73D221C89C" italics="true" pageId="30" pageNumber="128">M. quadrioculatum</emphasis>
</taxonomicName>
. Other congeners described as having a caruncle, a homoplastic feature (
<bibRefCitation id="EFA55895FFC52A2ADE990F90D6FCC89C" author="Capa" box="[1178,1431,1951,1975]" pageId="30" pageNumber="128" refString="Capa, M. &amp; Murray, A. (2009) Review of the genus Megalomma (Sabellidae: Polychaeta) in Australia with description of three new species, new records and notes on certain features with phylogenetic implications. Records of the Australian Museum, 61, 201 - 224. http: // dx. doi. org / 10.3853 / j. 0067 - 1975.61.2009.1529" type="journal article" year="2009">Capa &amp; Murray 2009</bibRefCitation>
;
<bibRefCitation id="EFA55895FFC52A2ADA940FCDD106C8F0" author="Tovar-Hernandez" box="[151,621,1986,2011]" pageId="30" pageNumber="128" refString="Tovar-Hernandez, M. A., &amp; Carrera-Parra, L. F. (2011) Megalomma Johansson, 1925 (Polychaeta: Sabellidae) from America and other world-wide localities, and phylogenetic relationships within the genus. Zootaxa, 2861, 1 - 71." type="journal article" year="2011">Tovar-Hernández &amp; Carrera-Parra 2011</bibRefCitation>
) are
<taxonomicName id="4C345EE7FFC52A2AD8B60FCBD600C8F0" authority="Tovar-Hernandez &amp; Salazar-Vallejo, 2008" authorityName="Tovar-Hernandez &amp; Salazar-Vallejo" authorityYear="2008" box="[693,1387,1986,2011]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="30" pageNumber="128" phylum="Annelida" rank="species" species="carunculata">
<emphasis id="B940F976FFC52A2AD8B60FCBD002C8F0" box="[693,873,1986,2011]" italics="true" pageId="30" pageNumber="128">M. carunculata</emphasis>
<bibRefCitation id="EFA55895FFC52A2AD97A0FCDD600C8F0" author="Tovar-Hernandez" box="[889,1387,1986,2011]" pageId="30" pageNumber="128" refString="Tovar-Hernandez, M. A., &amp; Salazar-Vallejo, S. I. (2008) Caruncle in Megalomma Johansson, 1925 (Polychaeta: Sabellidae) and the description of a new species from the Eastern Tropical Pacific. Journal of Natural History, 42 (29 - 30), 1951 - 1973. http: // dx. doi. org / 10.1080 / 00222930802140186" type="journal article" year="2008">Tovar-Hernández &amp; Salazar-Vallejo, 2008</bibRefCitation>
</taxonomicName>
,
<emphasis id="B940F976FFC52A2ADF7E0FCBD6F7C8F0" box="[1405,1436,1988,2011]" italics="true" pageId="30" pageNumber="128">M.</emphasis>
</paragraph>
</subSubSection>
<subSubSection id="C32E76EFFFC42A14DA940898D2A9CEFB" lastPageId="32" lastPageNumber="130" pageId="31" pageNumber="129" type="reference_group">
<paragraph id="8B8B2564FFC42A2BDA940898D272CE6B" blockId="31.[151,1436,151,320]" pageId="31" pageNumber="129">
<taxonomicName id="4C345EE7FFC42A2BDA940898D2DACF9B" ID-CoL="6R7QV" authority="Ehlers, 1887" authorityName="Ehlers" authorityYear="1887" box="[151,433,151,176]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="31" pageNumber="129" phylum="Annelida" rank="species" species="lobiferum">
<emphasis id="B940F976FFC42A2BDA940898D26FCF9B" box="[151,260,151,176]" italics="true" pageId="31" pageNumber="129">lobiferum</emphasis>
(
<bibRefCitation id="EFA55895FFC42A2BDB160898D2C2CF9B" author="Ehlers" box="[277,425,151,176]" pageId="31" pageNumber="129" refString="Ehlers, E. (1887) Report on the results of dredging, under the direction of L. F. Pourtales, during the years 1868 - 1870, and of Alexander Agassiz, in the Gulf of Mexico (1877 - 78) in the U. S. Coast Survey Steamer &quot; Blake &quot;, Lieut. - Com. C. d. Sigsbee, U. S. N., and Commander J. R. Bartlett, U. S. N., commanding. 31. Report on the annelids. Memoirs of the Museum of Comparative Zoology at Harvard College, 15, 1 - 335." type="journal article" year="1887">Ehlers, 1887</bibRefCitation>
)
</taxonomicName>
,
<taxonomicName id="4C345EE7FFC42A2BDBBC0896D19CCF9B" ID-CoL="6QVSV" authority="Reish, 1963" authorityName="Reish" authorityYear="1963" box="[447,759,151,176]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="31" pageNumber="129" phylum="Annelida" rank="species" species="pigmentum">
<emphasis id="B940F976FFC42A2BDBBC0896D108CF9B" box="[447,611,153,176]" italics="true" pageId="31" pageNumber="129">M. pigmentum</emphasis>
<bibRefCitation id="EFA55895FFC42A2BD86F0898D19CCF9B" author="Reish" box="[620,759,151,176]" pageId="31" pageNumber="129" refString="Reish, D. J. (1963) A quantitative study of the benthic polychaetous annelids of Bahia de San Quintin, Baja California. Pacific Naturalist, 3 (14), 399 - 436." type="journal article" year="1963">Reish, 1963</bibRefCitation>
</taxonomicName>
, and
<taxonomicName id="4C345EE7FFC42A2BD9360896D715CF9B" ID-CoL="737T6" authority="Ehlers, 1904" authorityName="Ehlers" authorityYear="1904" box="[821,1150,151,176]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="31" pageNumber="129" phylum="Annelida" rank="species" species="suspiciens">
<emphasis id="B940F976FFC42A2BD9360896D0A4CF9B" box="[821,975,153,176]" italics="true" pageId="31" pageNumber="129">M. suspiciens</emphasis>
(
<bibRefCitation id="EFA55895FFC42A2BD9E30898D71ECF9B" author="Ehlers" box="[992,1141,151,176]" pageId="31" pageNumber="129" refString="Ehlers, E. (1904) Neuseelandische Anneliden. Abhandlungen der Koniglichen Gesellschaft der Wissenschaften zu Gottingen. Mathematisch-Physikalische Klasse. Neue Folge, 3, 1 - 80." type="journal article" year="1904">Ehlers, 1904</bibRefCitation>
)
</taxonomicName>
.
<taxonomicName id="4C345EE7FFC42A2BDE880898D6F7CF9B" ID-CoL="6QVSV" box="[1163,1436,151,176]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="31" pageNumber="129" phylum="Annelida" rank="species" species="pigmentum">
<emphasis id="B940F976FFC42A2BDE880898D6F7CF9B" box="[1163,1436,151,176]" italics="true" pageId="31" pageNumber="129">Megalomma pigmentum</emphasis>
</taxonomicName>
possesses widely separated dorsal collar margins, lacks collar pockets on either side, and bears a single pair of radiolar eyes.
<taxonomicName id="4C345EE7FFC42A2BDB4408D0D13CCFD3" ID-CoL="737T6" box="[327,599,223,248]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="31" pageNumber="129" phylum="Annelida" rank="species" species="suspiciens">
<emphasis id="B940F976FFC42A2BDB4408D0D13CCFD3" box="[327,599,223,248]" italics="true" pageId="31" pageNumber="129">Megalomma suspiciens</emphasis>
</taxonomicName>
,
<taxonomicName id="4C345EE7FFC42A2BD86D08EED04FCFD3" ID-CoL="7382Y" box="[622,804,223,248]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="31" pageNumber="129" phylum="Annelida" rank="species" species="carunculata">
<emphasis id="B940F976FFC42A2BD86D08EED04FCFD3" box="[622,804,223,248]" italics="true" pageId="31" pageNumber="129">M. carunculata</emphasis>
</taxonomicName>
and
<taxonomicName id="4C345EE7FFC42A2BD96D08EED761CFD3" ID-CoL="6R7QV" box="[878,1034,223,248]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="31" pageNumber="129" phylum="Annelida" rank="species" species="lobiferum">
<emphasis id="B940F976FFC42A2BD96D08EED761CFD3" box="[878,1034,223,248]" italics="true" pageId="31" pageNumber="129">M. lobiferum</emphasis>
</taxonomicName>
which all have a similar collar morphology to the new species, bear compound eyes in most of the radioles instead of only in a few of the dorsalmost.
</paragraph>
<caption id="DF4B75ECFFC42A2BDA940EB7D74FC8C9" httpUri="https://zenodo.org/record/240814/files/figure.png" pageId="31" pageNumber="129" targetBox="[244,1356,372,1689]" targetPageId="31">
<paragraph id="8B8B2564FFC42A2BDA940EB7D74FC8C9" blockId="31.[151,1437,1720,2018]" pageId="31" pageNumber="129">
<emphasis id="B940F976FFC42A2BDA940EB7D274C9E5" bold="true" box="[151,287,1720,1742]" pageId="31" pageNumber="129">FIGURE 12.</emphasis>
<taxonomicName id="4C345EE7FFC42A2BDB260EB7D280C9E5" ID-CoL="737QW" box="[293,491,1720,1742]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="31" pageNumber="129" phylum="Annelida" rank="species" species="jubata" status="sp. nov.">
<emphasis id="B940F976FFC42A2BDB260EB7D280C9E5" box="[293,491,1720,1742]" italics="true" pageId="31" pageNumber="129">Megalomma jubata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A273440DFFC42A2BDBF20EB6D14CC9E5" box="[497,551,1721,1742]" pageId="31" pageNumber="129" rank="species">n. sp.</taxonomicNameLabel>
A–C, preserved specimens; A. Detached radiolar crown showing pigmentation pattern; B. Half of the radiolar crown, from inside, showing the medium length radiolar appendages (arrow); C. Thorax and anterior abdominal chaetigers, radiolar crown detached leaving an exposed caruncle (arrow); D–L. Scanning electron micrographs; D. Anterior thoracic chaetigers showing the morphology of collar and the exposed caruncle at the back; E. Anterior chaetigers showing collar dorsal margins fused to faecal groove and with pockets at both sides, and a middorsal prostomial caruncle; F. Detail of dorsal lips and radiolar appendages; G. Detail of the rounded caruncle, with four parallel transverse ridges of cilia, anteriorly joined by a longitudinal row of cilia; H. Thoracic notochaetae, superior narrowly-hooded and inferior broadlyhooded type B; I. Detail of broadly-hooded inferior thoracic chaetae; J. Thoracic uncini with several rows of small teeth, all similar in size above main fang; companion chaetae with asymmetrical fibrous hood; K. Abdominal chaetae narrowly-hooded. L. Abdominal uncini with several rows of small teeth, all similar in size above main fang.
</paragraph>
</caption>
<paragraph id="8B8B2564FFFB2A14DAC40898D2A9CEFB" blockId="32.[151,1436,151,645]" pageId="32" pageNumber="130">
The external morphology of the caruncle of this species is remarkable in comparison with other described
<taxonomicName id="4C345EE7FFFB2A14DA9408B3D24FCFFE" ID-CoL="a14be1d3-9011-49ba-9295-fa1654331a48" box="[151,292,188,213]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="32" pageNumber="130" phylum="Annelida" rank="genus">
<emphasis id="B940F976FFFB2A14DA9408B3D24FCFFE" box="[151,292,188,213]" italics="true" pageId="32" pageNumber="130">Megalomma</emphasis>
</taxonomicName>
possessing this structure. The cilia are arranged in four parallel transverse ridges joined anteriorly by an additional longitudinal ridge. It resembles, at least superficially, the nuchal organs present in some members of
<taxonomicName id="4C345EE7FFFB2A14DA94090BD223CE36" ID-CoL="84JVK" box="[151,328,260,285]" class="Polychaeta" family="Amphinomidae" kingdom="Animalia" order="Amphinomida" pageId="32" pageNumber="130" phylum="Annelida" rank="family">Amphinomidae</taxonomicName>
, a group of annelids not closely related, but with ciliary ridges also located in the along caruncle (see also
<bibRefCitation id="EFA55895FFFB2A14DB0F0928D19FCE6B" author="Tovar-Hernandez" box="[268,756,295,320]" pageId="32" pageNumber="130" refString="Tovar-Hernandez, M. A., &amp; Salazar-Vallejo, S. I. (2008) Caruncle in Megalomma Johansson, 1925 (Polychaeta: Sabellidae) and the description of a new species from the Eastern Tropical Pacific. Journal of Natural History, 42 (29 - 30), 1951 - 1973. http: // dx. doi. org / 10.1080 / 00222930802140186" type="journal article" year="2008">Tovar-Hernández &amp; Salazar-Vallejo 2008</bibRefCitation>
). The function(s) of this structure is unknown, but most probably sensory (
<bibRefCitation id="EFA55895FFFB2A14DB650943D054CE4F" author="Tovar-Hernandez" box="[358,831,332,357]" pageId="32" pageNumber="130" refString="Tovar-Hernandez, M. A., &amp; Salazar-Vallejo, S. I. (2008) Caruncle in Megalomma Johansson, 1925 (Polychaeta: Sabellidae) and the description of a new species from the Eastern Tropical Pacific. Journal of Natural History, 42 (29 - 30), 1951 - 1973. http: // dx. doi. org / 10.1080 / 00222930802140186" type="journal article" year="2008">Tovar-Hernández &amp; Salazar-Vallejo 2008</bibRefCitation>
). Of the other species of
<taxonomicName id="4C345EE7FFFB2A14DE5B0943D78FCE4E" ID-CoL="a14be1d3-9011-49ba-9295-fa1654331a48" box="[1112,1252,332,357]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="32" pageNumber="130" phylum="Annelida" rank="genus">
<emphasis id="B940F976FFFB2A14DE5B0943D78FCE4E" box="[1112,1252,332,357]" italics="true" pageId="32" pageNumber="130">Megalomma</emphasis>
</taxonomicName>
provided with a caruncle,
<taxonomicName id="4C345EE7FFFB2A14DB07097ED2F3CEA3" ID-CoL="6R7QV" box="[260,408,367,392]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="32" pageNumber="130" phylum="Annelida" rank="species" species="lobiferum">
<emphasis id="B940F976FFFB2A14DB07097ED2F3CEA3" box="[260,408,367,392]" italics="true" pageId="32" pageNumber="130">M. lobiferum</emphasis>
</taxonomicName>
has been shown to have cilia arranged in four longitudinal rows on each anterior posterior and lateral sides of this triangular structure. By contrast, the caruncle of
<taxonomicName id="4C345EE7FFFB2A14D9C7099AD759CE86" ID-CoL="737QW" box="[964,1074,404,429]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="32" pageNumber="130" phylum="Annelida" rank="species" species="jubata" status="sp. nov.">
<emphasis id="B940F976FFFB2A14D9C7099AD759CE86" box="[964,1074,404,429]" italics="true" pageId="32" pageNumber="130">M. jubata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A273440DFFFB2A14DE3A099AD71ECE87" box="[1081,1141,405,428]" pageId="32" pageNumber="130" rank="species">n. sp.</taxonomicNameLabel>
is rounded and bears cilia in a different arrangement.
</paragraph>
</subSubSection>
<subSubSection id="C32E76EFFFFB2A14DAC409D3D78BCD16" pageId="32" pageNumber="130" type="etymology">
<paragraph id="8B8B2564FFFB2A14DAC409D3D7F3CD33" blockId="32.[151,1436,151,645]" pageId="32" pageNumber="130">
<emphasis id="B940F976FFFB2A14DAC409D3D225CEDE" bold="true" box="[199,334,476,501]" pageId="32" pageNumber="130">Etymology.</emphasis>
The species name is derived from the Latin word “iuba”, alluding to the characteristic rounded crest herein referred to as a caruncle, located dorsally to the mouth, between the dorsal lips.
</paragraph>
<paragraph id="8B8B2564FFFB2A14DAC40A2BD78BCD16" blockId="32.[151,1436,151,645]" box="[199,1248,548,573]" pageId="32" pageNumber="130">
<emphasis id="B940F976FFFB2A14DAC40A2BD241CD16" bold="true" box="[199,298,548,573]" pageId="32" pageNumber="130">Habitat.</emphasis>
Coral rubble, with sand and
<taxonomicName id="4C345EE7FFFB2A14D86D0A2BD1B7CD16" box="[622,732,548,573]" class="Bryopsidophyceae" family="Halimedaceae" genus="Halimeda" higherTaxonomySource="GBIF" kingdom="Plantae" order="Bryopsidales" pageId="32" pageNumber="130" phylum="Chlorophyta" rank="genus">
<emphasis id="B940F976FFFB2A14D86D0A2BD1B7CD16" box="[622,732,548,573]" italics="true" pageId="32" pageNumber="130">Halimeda</emphasis>
</taxonomicName>
algae, in shallow intertidal to subtidal depths.
</paragraph>
</subSubSection>
<subSubSection id="C32E76EFFFFB2A14DAC40A48D163CD4B" box="[199,520,583,608]" pageId="32" pageNumber="130" type="materials_examined">
<paragraph id="8B8B2564FFFB2A14DAC40A48D163CD4B" blockId="32.[151,1436,151,645]" box="[199,520,583,608]" pageId="32" pageNumber="130">
<emphasis id="B940F976FFFB2A14DAC40A48D20ECD4B" bold="true" box="[199,357,583,608]" pageId="32" pageNumber="130">
<typeStatus id="548F9BC6FFFB2A14DAC40A48D269CD4B" box="[199,258,583,608]" pageId="32" pageNumber="130">Type</typeStatus>
locality.
</emphasis>
Lizard
<collectingCountry id="F32365F4FFFB2A14DBBF0A48D16FCD4B" box="[444,516,583,608]" name="Iceland" pageId="32" pageNumber="130">Island</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="C32E76EFFFFB2A14DAC40A63D0F5CDAE" box="[199,926,620,645]" pageId="32" pageNumber="130" type="distribution">
<paragraph id="8B8B2564FFFB2A14DAC40A63D0F5CDAE" blockId="32.[151,1436,151,645]" box="[199,926,620,645]" pageId="32" pageNumber="130">
<emphasis id="B940F976FFFB2A14DAC40A63D20BCDAE" bold="true" box="[199,352,620,645]" pageId="32" pageNumber="130">Distribution.</emphasis>
<collectingCountry id="F32365F4FFFB2A14DB640A63D2A5CDAE" box="[359,462,620,645]" name="Australia" pageId="32" pageNumber="130">Australia</collectingCountry>
(Queensland: Lizard and Heron Islands).
</paragraph>
</subSubSection>
</treatment>
</document>
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