187 lines
37 KiB
XML
187 lines
37 KiB
XML
<document id="D2962DA6FBD89F6DC153AC6E0400198E" 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 & Murray, Anna" docDate="2015" docId="039D9472FFF92A16DA940897D07DC92C" 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" docType="treatment" docVersion="14" lastPageNumber="132" 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="132" updateTime="1698609219861" updateUser="plazi">
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<mods:title id="C04377E40DA19B67E5DA9D1A1D8C2518">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:namePart id="26AF7D4AEF90183EC8C79F41EFB48B6F">Capa, María</mods:namePart>
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<mods:namePart id="5965BEDCFA771CC2CC4124A192A87CB5">Murray, Anna</mods:namePart>
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<mods:title id="F57630C5D83E5AA04547ED2C56D72400">Zootaxa</mods:title>
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<mods:date id="63CED69B3767084482897AC27F277CCF">2015</mods:date>
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<treatment id="039D9472FFF92A16DA940897D07DC92C" ID-DOI="http://doi.org/10.5281/zenodo.5064500" ID-GBIF-Taxon="119636862" ID-Zenodo-Dep="5064500" LSID="urn:lsid:plazi:treatment:039D9472FFF92A16DA940897D07DC92C" httpUri="http://treatment.plazi.org/id/039D9472FFF92A16DA940897D07DC92C" lastPageNumber="132" pageId="34" pageNumber="132">
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<subSubSection id="C32E76EFFFF92A16DA940897D24ACFF8" pageId="34" pageNumber="132" type="nomenclature">
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<paragraph id="8B8B2564FFF92A16DA940897D232CF99" blockId="34.[151,345,152,211]" box="[151,345,152,178]" pageId="34" pageNumber="132">
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<heading id="D0C39208FFF92A16DA940897D232CF99" bold="true" box="[151,345,152,178]" fontSize="11" level="1" pageId="34" pageNumber="132" reason="1">
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<emphasis id="B940F976FFF92A16DA940897D232CF99" bold="true" box="[151,345,152,178]" pageId="34" pageNumber="132">
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<taxonomicName id="4C345EE7FFF92A16DA940897D244CF99" ID-CoL="a14be1d3-9011-49ba-9295-fa1654331a48" box="[151,303,152,178]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="34" pageNumber="132" phylum="Annelida" rank="genus">
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<emphasis id="B940F976FFF92A16DA940897D244CF99" bold="true" box="[151,303,152,178]" italics="true" pageId="34" pageNumber="132">Megalomma</emphasis>
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</taxonomicName>
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sp.
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8B8B2564FFF92A16DA9408B5D24ACFF8" blockId="34.[151,345,152,211]" box="[151,289,186,211]" pageId="34" pageNumber="132">
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(
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<figureCitation id="130F39E1FFF92A16DA9C08B5D385CFF8" box="[159,238,186,211]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
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E–I)
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</paragraph>
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</subSubSection>
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<subSubSection id="C32E76EFFFF92A16DA94090DD26FCB18" pageId="34" pageNumber="132" type="materials_examined">
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<paragraph id="8B8B2564FFF92A16DA94090DD1BCCE30" blockId="34.[151,1437,258,1543]" box="[151,727,258,283]" pageId="34" pageNumber="132">
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<emphasis id="B940F976FFF92A16DA94090DD2EBCE30" bold="true" box="[151,384,258,283]" pageId="34" pageNumber="132">Material examined.</emphasis>
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AM W.44466, MI
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<collectionCode id="ED25BDA1FFF92A16D854090CD1FACE30" box="[599,657,259,283]" pageId="34" pageNumber="132">QLD</collectionCode>
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2424.
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</paragraph>
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<paragraph id="8B8B2564FFF92A16DAC40929D26FCB18" blockId="34.[151,1437,258,1543]" pageId="34" pageNumber="132">
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<emphasis id="B940F976FFF92A16DAC40929D10BCE14" bold="true" box="[199,608,294,319]" pageId="34" pageNumber="132">Description of material examined.</emphasis>
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Specimen incomplete, over
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<quantity id="4CCC8881FFF92A16D9A70928D09FCE15" box="[932,1012,295,319]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="34" pageNumber="132" unit="mm" value="20.0">20 mm</quantity>
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long and
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<quantity id="4CCC8881FFF92A16DE650928D7C3CE15" box="[1126,1192,295,319]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="34" pageNumber="132" unit="mm" value="3.0">3 mm</quantity>
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wide. Seven thoracic and numerous abdominal chaetigers. Live specimen with radiolar crown with several orange and white transverse bands of different widths, especially conspicuous in inner margin of radioles and in pinnules (
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<figureCitation id="130F39E1FFF92A16DF040961D637CEAC" box="[1287,1372,366,391]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
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E–F). Dorsalmost radiolar eyes orange, in some cases with a white reticule (
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<figureCitation id="130F39E1FFF92A16D9C3099DD778CE80" box="[960,1043,402,427]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
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F), other smaller eyes brown (
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<figureCitation id="130F39E1FFF92A16DF6C099DD3DFCEE4" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
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F). Body is pale cream, with anterior end covered in white spots (
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<figureCitation id="130F39E1FFF92A16D99F09B9D086CEE4" box="[924,1005,438,463]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
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E). Specimens lose pigmentation after fixation, only a few pigmented bands stay on radioles, and are white with dark brown radiolar eyes. Radiolar crown with semicircular lobes (
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<figureCitation id="130F39E1FFF92A16DBAC09F1D16BCD3C" box="[431,512,510,535]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
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E). Dorsal and ventral flanges absent. Basal membrane or radiolar flanges absent. About six vacuolated cells supporting radioles in cross section at the base. Dorsalmost pair of radioles longer than the rest, each with a large subdistal compound eye almost surrounding the whole radiole, all other radioles with smaller, spherical and similarly-sized subdistal eyes (
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<figureCitation id="130F39E1FFF92A16D8F60A65D02DCDA8" box="[757,838,618,643]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
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E–F). Dorsal lips with medium radiolar appendages, dorsal pinnular appendages absent. Caruncle absent. Ventral lips and parallel lamellae present, ventral sacs inside radiolar lobes. Posterior peristomial ring with margins separated by a wide gap, not fused to faecal groove, not forming dorsal pockets (
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<figureCitation id="130F39E1FFF92A16DBBF0AD9D167CDC4" box="[444,524,726,751]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig 13</figureCitation>
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E); triangular ventral lappets separated by a midventral incision (
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<figureCitation id="130F39E1FFF92A16DF220AD9D61CCDC4" box="[1313,1399,726,751]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
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G). Glandular ridge absent on anterior chaetigers. Thoracic ventral shields separated from adjacent neuropodial tori by a gap (
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<figureCitation id="130F39E1FFF92A16DAE10B11D259CC1C" box="[226,306,798,823]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
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G). First ventral shield with M-shaped anterior margin (
|
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<figureCitation id="130F39E1FFF92A16D9A10B11D099CC1C" box="[930,1010,798,823]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
|
||
G). Interramal eyespots absent. Collar chaetae elongate narrowly-hooded in two oblique rows. Following thoracic chaetigers with conical notopodia; superior elongate narrowly-hooded and inferior broadly-hooded notochaetae (
|
||
<typeStatus id="548F9BC6FFF92A16DE3C0B68D71ACC54" box="[1087,1137,871,895]" pageId="34" pageNumber="132">type</typeStatus>
|
||
B,
|
||
<figureCitation id="130F39E1FFF92A16DEA80B69D66FCC54" box="[1195,1284,870,895]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">Fig. 13</figureCitation>
|
||
H). Thoracic neuropodial uncini avicular, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle (
|
||
<figureCitation id="130F39E1FFF92A16D8130BA1D108CCEC" box="[528,611,942,967]" captionStart="FIGURE 13. A – D" captionStartId="33.[151,250,1740,1762]" captionTargetBox="[172,1424,307,1717]" captionTargetId="figure@33.[168,1428,302,1723]" captionTargetPageId="33" captionText="FIGURE 13. A – D. Megalomma cf. kaikourense. A. Complete specimen, lateral view, with compound subdistal eyes in longest, dorsalmost radioles (one of the eyes is not fully developed, arrow); B. Anterior end, ventral view, with exposed radiolar eyes (arrows), thoracic ventral shields separated from neuropodial tori; C. Specimen with dorsal margins of collar separated, not fused to faecal groove but showing incipient pockets on both sides (arrow); D. Specimens without pockets; E – I. Megalomma sp. E-F, live specimen; E. Radiolar crown and thoracic chaetigers, lateral view; F. Detail of radiolar tips, with compound subdistal radiolar eyes present in most radioles (arrows); G. Thoracic and anterior abdominal chaetigers, ventral view, showing the wide gap between ventral shields and thoracic neuropodia; H. Detail of inferior thoracic notochaetae, broadly-hooded type B; I. Thoracic avicular uncini, with several rows of small teeth, all similar in size above main fang, well developed breast and medium-sized handle. Photographs: E, F by Alexander Semenov." httpUri="https://zenodo.org/record/240815/files/figure.png" pageId="34" pageNumber="132">
|
||
Fig.
|
||
<date id="FF8A03A4FFF92A16D8460BA0D108CCEC" box="[581,611,943,967]" pageId="34" pageNumber="132" value="2013-01">13</date>
|
||
</figureCitation>
|
||
I). Companion chaetae with dentate appearance on proximal half of hood, distally asymmetrical. Abdominal neuropodia as low elevations with elongate, broadly-hooded chaetae arranged in rows. Notopodial abdominal uncini similar to the thoracic but with shorter handle. Pygidium not studied. Tube not observed.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32E76EFFFF92A16DAC40C31D1BACA94" pageId="34" pageNumber="132" type="discussion">
|
||
<paragraph id="8B8B2564FFF92A16DAC40C31D7C4CAB0" blockId="34.[151,1437,258,1543]" pageId="34" pageNumber="132">
|
||
<emphasis id="B940F976FFF92A16DAC40C31D250CB7C" bold="true" box="[199,315,1086,1111]" pageId="34" pageNumber="132">Remarks.</emphasis>
|
||
This specimen resembles
|
||
<taxonomicName id="4C345EE7FFF92A16D86A0C30D069CB7D" box="[617,770,1087,1110]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="34" pageNumber="132" phylum="Annelida" rank="species" species="interrupta">
|
||
<emphasis id="B940F976FFF92A16D86A0C30D069CB7D" box="[617,770,1087,1110]" italics="true" pageId="34" pageNumber="132">M. interrupta</emphasis>
|
||
</taxonomicName>
|
||
, described above, in that the dorsal collar margins are not fused to the faecal groove and ventral shields are separated by a gap from adjacent neuropodial tori. However, unlike
|
||
<taxonomicName id="4C345EE7FFF92A16DAEA0C88D2EDCBB5" box="[233,390,1159,1182]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="34" pageNumber="132" phylum="Annelida" rank="species" species="interrupta">
|
||
<emphasis id="B940F976FFF92A16DAEA0C88D2EDCBB5" box="[233,390,1159,1182]" italics="true" pageId="34" pageNumber="132">M. interrupta</emphasis>
|
||
</taxonomicName>
|
||
, it possesses distal eyes on all radioles, all spherical and similar in size, except for the dorsalmost pair, which are larger and surround the radiolar tip almost completely. According to artificial grouping of
|
||
<taxonomicName id="4C345EE7FFF92A16DAB40CC1D228CBCC" box="[183,323,1230,1255]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="34" pageNumber="132" phylum="Annelida" rank="genus">
|
||
<emphasis id="B940F976FFF92A16DAB40CC1D228CBCC" box="[183,323,1230,1255]" italics="true" pageId="34" pageNumber="132">Megalomma</emphasis>
|
||
</taxonomicName>
|
||
species, this species belongs to ′′Group 2C′′ together with
|
||
<taxonomicName id="4C345EE7FFF92A16D9E40CC0D648CBCC" authority="Reish, 1968" authorityName="Reish" authorityYear="1968" box="[999,1315,1230,1255]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="34" pageNumber="132" phylum="Annelida" rank="species" species="trioculatum">
|
||
<emphasis id="B940F976FFF92A16D9E40CC0D7FACBCC" box="[999,1169,1230,1255]" italics="true" pageId="34" pageNumber="132">M. trioculatum</emphasis>
|
||
<bibRefCitation id="EFA55895FFF92A16DE9A0CC1D648CBCC" author="Reish" box="[1177,1315,1230,1255]" pageId="34" pageNumber="132" refString="Reish, D. J. (1968) The polychaetous annelids of the Marshall Islands. Pacific Science, 22, 208 - 231." type="journal article" year="1968">Reish, 1968</bibRefCitation>
|
||
</taxonomicName>
|
||
, described from
|
||
<collectingCountry id="F32365F4FFF92A16DADA0CFDD2FCCA20" box="[217,407,1266,1291]" name="Marshall Islands" pageId="34" pageNumber="132">Marshall Islands</collectingCountry>
|
||
and
|
||
<taxonomicName id="4C345EE7FFF92A16DBD40CFDD108CA20" box="[471,611,1266,1291]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="34" pageNumber="132" phylum="Annelida" rank="genus">
|
||
<emphasis id="B940F976FFF92A16DBD40CFDD108CA20" box="[471,611,1266,1291]" italics="true" pageId="34" pageNumber="132">Megalomma</emphasis>
|
||
</taxonomicName>
|
||
sp. 2 described from Victoria,
|
||
<collectingCountry id="F32365F4FFF92A16D9DA0CFDD72BCA20" box="[985,1088,1266,1291]" name="Australia" pageId="34" pageNumber="132">Australia</collectingCountry>
|
||
(
|
||
<bibRefCitation id="EFA55895FFF92A16DE500CFDD65ACA20" author="Knight-Jones" box="[1107,1329,1266,1291]" pageId="34" pageNumber="132" refString="Knight-Jones, P. (1997) Two new species of Megalomma (Sabellidae) from Sinai and New Zealand with redescriptions of some types and a new genus. Bulletin of Marine Science, 60, 313 - 323." type="journal article" year="1997">Knight-Jones 1997</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFA55895FFF92A16DF420CFCD244CA04" author="Capa" pageId="34" pageNumber="132" refString="Capa, M. & 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 & Murray 2009</bibRefCitation>
|
||
).
|
||
<taxonomicName id="4C345EE7FFF92A16DB430D19D13DCA04" box="[320,598,1302,1327]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="34" pageNumber="132" phylum="Annelida" rank="species" species="trioculatum">
|
||
<emphasis id="B940F976FFF92A16DB430D19D13DCA04" box="[320,598,1302,1327]" italics="true" pageId="34" pageNumber="132">Megalomma trioculatum</emphasis>
|
||
</taxonomicName>
|
||
is distinguished from the specimen described herein by the
|
||
<typeStatus id="548F9BC6FFF92A16DEF00D18D648CA04" box="[1267,1315,1303,1327]" pageId="34" pageNumber="132">type</typeStatus>
|
||
of inferior thoracic chaetae, which have abruptly narrowing tips (
|
||
<typeStatus id="548F9BC6FFF92A16D9090D34D057CA78" box="[778,828,1339,1363]" pageId="34" pageNumber="132">type</typeStatus>
|
||
A), whereas in this specimen they are progressively tapering (
|
||
<typeStatus id="548F9BC6FFF92A16DB020D50D258CA5C" box="[257,307,1375,1399]" pageId="34" pageNumber="132">type</typeStatus>
|
||
B) (
|
||
<bibRefCitation id="EFA55895FFF92A16DB600D50D132CA5C" author="Capa" box="[355,601,1375,1399]" pageId="34" pageNumber="132" refString="Capa, M. & 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 & Murray 2009</bibRefCitation>
|
||
).
|
||
<taxonomicName id="4C345EE7FFF92A16D8680D51D19CCA5C" box="[619,759,1374,1399]" class="Polychaeta" family="Sabellidae" genus="Megalomma" kingdom="Animalia" order="Sabellida" pageId="34" pageNumber="132" phylum="Annelida" rank="genus">
|
||
<emphasis id="B940F976FFF92A16D8680D51D19CCA5C" box="[619,759,1374,1399]" italics="true" pageId="34" pageNumber="132">Megalomma</emphasis>
|
||
</taxonomicName>
|
||
sp. 2 also differs from this specimen as it only bears radiolar eyes on the two dorsalmost pairs of radioles instead of on all radioles (
|
||
<bibRefCitation id="EFA55895FFF92A16D9AF0D8CD7C8CAB0" author="Capa" box="[940,1187,1411,1435]" pageId="34" pageNumber="132" refString="Capa, M. & 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 & Murray 2009</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8B8B2564FFF92A16DAC40DA9D1BACA94" blockId="34.[151,1437,258,1543]" box="[199,721,1446,1471]" pageId="34" pageNumber="132">
|
||
<emphasis id="B940F976FFF92A16DAC40DA9D241CA94" bold="true" box="[199,298,1446,1471]" pageId="34" pageNumber="132">Habitat.</emphasis>
|
||
Coral rubble, between
|
||
<quantity id="4CCC8881FFF92A16D8330DA9D1EECA95" box="[560,645,1446,1471]" metricMagnitude="0" metricUnit="m" metricValue="8.5" metricValueMax="12.0" metricValueMin="5.0" pageId="34" pageNumber="132" unit="m" value="8.5" valueMax="12.0" valueMin="5.0">5–12 m</quantity>
|
||
depth.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32E76EFFFF92A16DAC40DC5D163CAC8" box="[199,520,1482,1507]" pageId="34" pageNumber="132" type="materials_examined">
|
||
<paragraph id="8B8B2564FFF92A16DAC40DC5D163CAC8" blockId="34.[151,1437,258,1543]" box="[199,520,1482,1507]" pageId="34" pageNumber="132">
|
||
<emphasis id="B940F976FFF92A16DAC40DC5D20ECAC8" bold="true" box="[199,357,1482,1507]" pageId="34" pageNumber="132">
|
||
<typeStatus id="548F9BC6FFF92A16DAC40DC5D269CAC8" box="[199,258,1482,1507]" pageId="34" pageNumber="132">Type</typeStatus>
|
||
locality.
|
||
</emphasis>
|
||
Lizard
|
||
<collectingCountry id="F32365F4FFF92A16DBBF0DC5D16FCAC8" box="[444,516,1482,1507]" name="Iceland" pageId="34" pageNumber="132">Island</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32E76EFFFF92A16DAC40DE1D07DC92C" box="[199,790,1518,1543]" pageId="34" pageNumber="132" type="distribution">
|
||
<paragraph id="8B8B2564FFF92A16DAC40DE1D07DC92C" blockId="34.[151,1437,258,1543]" box="[199,790,1518,1543]" pageId="34" pageNumber="132">
|
||
<emphasis id="B940F976FFF92A16DAC40DE1D20BC92C" bold="true" box="[199,352,1518,1543]" pageId="34" pageNumber="132">Distribution.</emphasis>
|
||
<collectingCountry id="F32365F4FFF92A16DB640DE1D2A5C92C" box="[359,462,1518,1543]" name="Australia" pageId="34" pageNumber="132">Australia</collectingCountry>
|
||
(Queensland: Lizard
|
||
<collectingCountry id="F32365F4FFF92A16D8C20DE1D061C92C" box="[705,778,1518,1543]" name="Iceland" pageId="34" pageNumber="132">Island</collectingCountry>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |