225 lines
53 KiB
XML
225 lines
53 KiB
XML
<document id="082B43A9943FB77E9641B7F58FE4F3CC" ID-DOI="10.3853/j.2201-4349.75.2023.1803" ID-ISSN="2201-4349" ID-Zenodo-Dep="10414060" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1703108469859" checkinUser="felipe" docAuthor="Gunton, Laetitia M., Zhang, William, Kupriyanova, Elena K. & Hutchings, Pat A." docDate="2023" docId="03A9585EFFDAFFC45CC6D6B96770F8DB" docLanguage="en" docName="RecAustMus.75.3.125-154.pdf" docOrigin="Records of the Australian Museum (Rec. Aust. Mus.) 75 (3)" docSource="https://www.mendeley.com/catalogue/e8272d60-8e4e-39f2-8628-298931690154/" docStyle="DocumentStyle:997BA24B490466A2F99594A367FA147F.4:RecAustMus.2019-.journal_article.0cover" docStyleId="997BA24B490466A2F99594A367FA147F" docStyleName="RecAustMus.2019-.journal_article.0cover" docStyleVersion="4" docTitle="Melinna elisabethae McIntosh 1885" docType="treatment" docVersion="2" lastPageNumber="143" masterDocId="FF902026FFC8FFD65C14D62F666EFFDC" masterDocTitle="New Species of Melinna (Melinnidae, Annelida) from the Australian Abyss with Comments on M. albicincta, M. cristata and M. elisabethae" masterLastPageNumber="154" masterPageNumber="125" pageNumber="143" updateTime="1703110227610" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="022C75CCC0A38CE1CF2472190CB6749E">New Species of Melinna (Melinnidae, Annelida) from the Australian Abyss with Comments on M. albicincta, M. cristata and M. elisabethae</mods:title>
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<mods:namePart id="088AF5E0BA262B8F7E0D3C94898DCDD2">Gunton, Laetitia M.</mods:namePart>
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<mods:affiliation id="9A63EB8737E6CDB369AF7DB2881EDE1E">Australian Museum Research Institute, Australian Museum, 1 William Street, Sydney NSW 2010, Australia</mods:affiliation>
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<mods:namePart id="119A1718D95D98730FB0DDDA26674704">Zhang, William</mods:namePart>
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<mods:affiliation id="C7457A58DBC868D90DA52E8C1799B76A">School of Life and Environmental Sciences, University of Sydney NSW 2006, Australia</mods:affiliation>
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<mods:namePart id="87F750FDF7910E33E5753CD1D0D82DDD">Kupriyanova, Elena K.</mods:namePart>
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<mods:affiliation id="66D336013C7BC71AA6622BBA51C1A802">Australian Museum Research Institute, Australian Museum, 1 William Street, Sydney NSW 2010, Australia & Department of Biological Sciences, Macquarie University, North Ryde NSW 2109, Australia</mods:affiliation>
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<mods:namePart id="00F19B5D0D96F3815D5B81EE2099E325">Hutchings, Pat A.</mods:namePart>
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<mods:affiliation id="B76DDF8D36E9968347173818F9F2F570">Australian Museum Research Institute, Australian Museum, 1 William Street, Sydney NSW 2010, Australia & Department of Biological Sciences, Macquarie University, North Ryde NSW 2109, Australia</mods:affiliation>
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<mods:date id="85B6E0FE7DE8A9A290CD23DC30DFA0EE">2023</mods:date>
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<mods:number id="07CD72E52419AF4608F7B90A235A262A">2023-05-17</mods:number>
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<treatment id="03A9585EFFDAFFC45CC6D6B96770F8DB" LSID="urn:lsid:plazi:treatment:03A9585EFFDAFFC45CC6D6B96770F8DB" httpUri="http://treatment.plazi.org/id/03A9585EFFDAFFC45CC6D6B96770F8DB" lastPageNumber="143" pageId="18" pageNumber="143">
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<heading id="D0F75E24FFDAFFC45CC6D6B96480FF6A" bold="true" box="[210,750,150,182]" centered="true" fontSize="12" level="2" pageId="18" pageNumber="143" reason="2">
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<taxonomicName id="4C0092CBFFDAFFC45CC6D6B96480FF6A" ID-CoL="3ZFMD" authority="McIntosh, 1885" authorityName="McIntosh" authorityYear="1885" box="[210,750,150,182]" class="Polychaeta" family="Melinnidae" genus="Melinna" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="143" phylum="Annelida" rank="species" species="elisabethae">
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<emphasis id="B974355AFFDAFFC45CC6D6B96480FF6A" bold="true" box="[210,750,150,182]" pageId="18" pageNumber="143">
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<emphasis id="B974355AFFDAFFC45CC6D6B96794FF69" bold="true" box="[210,506,150,181]" italics="true" pageId="18" pageNumber="143">Melinna elisabethae</emphasis>
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<bibRefCitation id="EF9194B9FFDAFFC45E10D6B86480FF6A" author="McIntosh, W. C." box="[516,750,151,182]" pageId="18" pageNumber="143" pagination="1 - 554" refId="ref13959" refString="McIntosh, W. C. 1885. Report on the Annelida Polychaeta collected by H. M. S. Challenger during the years 1873 - 1876. Report on the Scientific Results of the Voyage of H. M. S. Challenger during the years 1873 - 76. Zoology (12) (part 34): i-xxxvi, 1 - 554." type="journal article" year="1885">McIntosh, 1885</bibRefCitation>
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<subSubSection id="C31ABAC3FFDAFFC45D40D6FF6402FF37" box="[340,620,208,235]" pageId="18" pageNumber="143" type="description">
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<paragraph id="8BBFE948FFDAFFC45D40D6FF6402FF37" blockId="18.[340,620,208,235]" box="[340,620,208,235]" pageId="18" pageNumber="143">
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<figureCitation id="133BF5CDFFDAFFC45D40D6FF67B3FF37" box="[340,477,208,235]" captionStart-0="Figure 13" captionStart-1="Figure 14" captionStart-2="Figure 15" captionStartId-0="19.[121,189,1953,1975]" captionStartId-1="20.[166,233,1933,1955]" captionStartId-2="21.[121,189,1925,1947]" captionTargetBox-0="[253,1288,151,1938]" captionTargetBox-1="[178,1460,151,1923]" captionTargetBox-2="[136,1411,151,1914]" captionTargetId-0="figure-10@19.[253,1288,151,1938]" captionTargetId-1="figure-11@20.[178,1460,151,1923]" captionTargetId-2="figure-10@21.[136,1411,151,1914]" captionTargetPageId-0="19" captionTargetPageId-1="20" captionTargetPageId-2="21" captionText-0="Figure 13. Light microscopy images of Melinna elisabethae (AM W.21793). (A) Whole specimen. (a) Pygidium. (B) Anterior end dorsal view, stained with methyl blue. (C) Lateral view of anterior end stained with methyl blue. (D) Lateral view of anterior end. (E) Dorsal hooks. (F) Anterior end ventral view, stained with methyl blue. (G) Tube. Scale bars:A, 2 mm; a, 250 µm; B, C, F, 500 µm; D, 250 μm; E, 100 µm; G, 3 mm.Abbreviations: l, lobes; br, branchiae; bt, buccal tentacles; seg, segment; neuro, neurochaetae; dh, dorsal hooks." captionText-1="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." captionText-2="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi-0="http://doi.org/10.5281/zenodo.10414086" figureDoi-1="http://doi.org/10.5281/zenodo.10414088" figureDoi-2="http://doi.org/10.5281/zenodo.10414090" httpUri-0="https://zenodo.org/record/10414086/files/figure.png" httpUri-1="https://zenodo.org/record/10414088/files/figure.png" httpUri-2="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">Figs 13–15</figureCitation>
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;
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<tableCitation id="C682DCF3FFDAFFC45DFED6FF643EFF36" box="[490,592,208,234]" captionStart="Table 4" captionStartId="22.[166,229,171,195]" captionText="Table 4. List of described Melinna species with type localities, depths, and coordinates (decimal degrees)." pageId="18" pageNumber="143">Tables 4</tableCitation>
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,
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<tableCitation id="C682DCF3FFDAFFC45E49D6FF6402FF37" box="[605,620,208,235]" captionStart="Table 5" captionStartId="23.[136,192,140,161]" captionText="Table 5. Diagnostic characters of Melinna species. Column headings are abbreviated as follows: corrected, numbering of anterior segments corrected; fusion, numbers of branchiae and degree of fusion; projections, dorsal membrane on segments 5—numbers of projections; neurochaetae, numbers of segments, numbers of abdominal segments.*Numbering of segments as stated in original paper indicating lack of recognition of achaetous segments," pageId="18" pageNumber="143">5</tableCitation>
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</paragraph>
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<treatmentCitation id="0AA1CF59FFDAFFC45CD1D6D1640DFECF" author="McIntosh, W. C." box="[197,611,254,276]" page="438" pageId="18" pageNumber="143" year="1885">
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<taxonomicName id="4C0092CBFFDAFFC45CD1D6D1640DFECF" ID-CoL="3ZFMD" authority="McIntosh, 1885: 438" authorityName="McIntosh" authorityPageNumber="438" authorityYear="1885" box="[197,611,254,276]" class="Polychaeta" family="Melinnidae" genus="Melinna" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="143" phylum="Annelida" rank="species" species="elisabethae">
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<emphasis id="B974355AFFDAFFC45CD1D6D167E4FECF" box="[197,394,254,275]" italics="true" pageId="18" pageNumber="143">Melinna elisabethae</emphasis>
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<bibRefCitation id="EF9194B9FFDAFFC45D87D6D1640DFECF" author="McIntosh, W. C." box="[403,611,254,276]" pageId="18" pageNumber="143" pagination="1 - 554" refId="ref13959" refString="McIntosh, W. C. 1885. Report on the Annelida Polychaeta collected by H. M. S. Challenger during the years 1873 - 1876. Report on the Scientific Results of the Voyage of H. M. S. Challenger during the years 1873 - 76. Zoology (12) (part 34): i-xxxvi, 1 - 554." type="journal article" year="1885">McIntosh, 1885: 438</bibRefCitation>
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</taxonomicName>
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;
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<bibRefCitation id="EF9194B9FFDAFFC45E7BD6D164F1FECF" author="McIntosh, W. C." box="[623,671,254,275]" pageId="18" pageNumber="143" pagination="77 - 110" refId="ref14026" refString="McIntosh, W. C. 1914. Notes from the Gatty Marine Laboratory, St. Andrews. No. 36. 1. On the ventral furrows of the lesser rorqual (Balaenoptera acutorostrata, Lacepede). 2. On some of the species of Prionospio, Malmgren. 3. On the British Amphictenidae. 4. On the British Ampharetidae. Annals and Magazine of Natural History 13: 77 - 110. https: // doi. org / 10.1080 / 00222931408693459" type="journal article" year="1914">1914</bibRefCitation>
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106–107 (in part).
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</paragraph>
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<paragraph id="8BBFE948FFDAFFC45CD1D71B64D1FE96" blockId="18.[197,763,254,330]" box="[197,703,308,330]" pageId="18" pageNumber="143">
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For complete synonymy see
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||
<bibRefCitation id="EF9194B9FFDAFFC45DCCD71B64D5FE96" author="Mackie, S. Y. & F. Pleijel" box="[472,699,308,330]" pageId="18" pageNumber="143" pagination="103 - 124" refId="ref13913" refString="Mackie, S. Y., and F. Pleijel. 1995. A review of the Melinna cristata species group (Polychaeta: Ampharetidae) in the northeastern Atlantic. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institute 92: 103 - 124." type="journal article" year="1995">Mackie & Pleijel, 1995</bibRefCitation>
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.
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||
</paragraph>
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<subSubSection id="C31ABAC3FFDAFFC45CB2D7706413FE13" pageId="18" pageNumber="143" type="materials_examined">
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<emphasis id="B974355AFFDAFFC45CB2D7706713FEAB" bold="true" box="[166,381,351,375]" pageId="18" pageNumber="143">Material examined</emphasis>
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.
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<materialsCitation id="3B68E315FFDAFFC45D9DD7706747FE48" collectionCode="AM" pageId="18" pageNumber="143" specimenCount="4">
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<collectionCode id="ED11718DFFDAFFC45D9DD77067DAFEAB" box="[393,436,351,375]" country="Australia" name="Australian Museum" pageId="18" pageNumber="143" type="Museum">AM</collectionCode>
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W.21793,
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, including prepared for
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</materialsCitation>
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<materialsCitation id="3B68E315FFDAFFC45D24D7526414FE13" collectingDate="1984-09-07" collectionCode="SEM" collectorName="Analytical & Environmental Services" country="United Kingdom" elevation="44" latitude="54.6" location="Cleveland" longLatPrecision="1069" longitude="-1.8" municipality="Tees Bay" pageId="18" pageNumber="143" specimenCount="1">
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<collectionCode id="ED11718DFFDAFFC45D24D7526707FE49" box="[304,361,381,405]" pageId="18" pageNumber="143">SEM</collectionCode>
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,
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<location id="8EDFBF93FFDAFFC45D67D753678CFE48" LSID="urn:lsid:plazi:treatment:03A9585EFFDAFFC45CC6D6B96770F8DB:8EDFBF93FFDAFFC45D67D753678CFE48" box="[371,482,380,404]" country="United Kingdom" latitude="54.6" longLatPrecision="1069" longitude="-1.8" municipality="Tees Bay" name="Cleveland" pageId="18" pageNumber="143">Cleveland</location>
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,
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,
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<collectingCountry id="F317A9D8FFDAFFC45E4DD75364DCFE48" box="[601,690,380,404]" name="United Kingdom" pageId="18" pageNumber="143">England</collectingCountry>
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(
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), gravelly mud/rock,
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<quantity id="4CF844ADFFDAFFC45DEFD7B56454FE6D" box="[507,570,410,434]" metricMagnitude="1" metricUnit="m" metricValue="4.4" pageId="18" pageNumber="143" unit="m" value="44.0">
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<elevation id="002D0E7BFFDAFFC45DEFD7B56454FE6D" box="[507,570,410,434]" metricMagnitude="1" metricUnit="m" metricValue="4.4" pageId="18" pageNumber="143" unit="m" value="44.0">44 m</elevation>
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</quantity>
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, coll.
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<collectorName id="26F58C9EFFDAFFC45E91D7B56494FE6E" box="[645,762,410,434]" pageId="18" pageNumber="143">Analytical</collectorName>
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&
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<collectorName id="26F58C9EFFDAFFC45CB3D79867C7FE13" box="[167,425,439,463]" pageId="18" pageNumber="143">Environmental Services</collectorName>
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,
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<date id="FFBECF88FFDAFFC45DA0D7976414FE13" box="[436,634,439,463]" pageId="18" pageNumber="143" value="1984-09-07">
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<collectingDate id="EFFA3660FFDAFFC45DA0D7976414FE13" box="[436,634,439,463]" pageId="18" pageNumber="143" value="1984-09-07">7 September 1984</collectingDate>
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</materialsCitation>
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||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C31ABAC3FFDAFFC45DB2D7DF6770F8DB" pageId="18" pageNumber="143" type="discussion">
|
||
<paragraph id="8BBFE948FFDAFFC45DB2D7DF6474FDD6" blockId="18.[422,538,496,522]" box="[422,538,496,522]" pageId="18" pageNumber="143">
|
||
<emphasis id="B974355AFFDAFFC45DB2D7DF6474FDD6" bold="true" box="[422,538,496,522]" pageId="18" pageNumber="143">Remarks</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8BBFE948FFDAFFC45CB2D43067D3FDAE" blockId="18.[166,794,543,1799]" pageId="18" pageNumber="143">
|
||
The original description by
|
||
<bibRefCitation id="EF9194B9FFDAFFC45DC3D430648CFDEB" author="Mackie, S. Y. & F. Pleijel" box="[471,738,543,567]" pageId="18" pageNumber="143" pagination="103 - 124" refId="ref13913" refString="Mackie, S. Y., and F. Pleijel. 1995. A review of the Melinna cristata species group (Polychaeta: Ampharetidae) in the northeastern Atlantic. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institute 92: 103 - 124." type="journal article" year="1995">Mackie & Pleijel (1995)</bibRefCitation>
|
||
only provided line drawings, we give additional information based on light and SEM images.
|
||
</paragraph>
|
||
<paragraph id="8BBFE948FFDAFFC45CD1D4586770F8DB" blockId="18.[166,794,543,1799]" pageId="18" pageNumber="143">
|
||
Prostomium welldeveloped and divided into anterior and posterior parts, anterior part trilobed (
|
||
<figureCitation id="133BF5CDFFDAFFC45E56D4BB64CBFD70" box="[578,677,660,684]" captionStart="Figure 15" captionStartId="21.[121,189,1925,1947]" captionTargetBox="[136,1411,151,1914]" captionTargetId="figure-10@21.[136,1411,151,1914]" captionTargetPageId="21" captionText="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi="http://doi.org/10.5281/zenodo.10414090" httpUri="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">Fig. 15B</figureCitation>
|
||
), posterior part raised triangular glandular with anterior margin bearing longitudinal slits (
|
||
<figureCitation id="133BF5CDFFDAFFC45D66D4E067B7FD3B" box="[370,473,719,743]" captionStart="Figure 15" captionStartId="21.[121,189,1925,1947]" captionTargetBox="[136,1411,151,1914]" captionTargetId="figure-10@21.[136,1411,151,1914]" captionTargetPageId="21" captionText="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi="http://doi.org/10.5281/zenodo.10414090" httpUri="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">Fig. 15B</figureCitation>
|
||
). Buccal tentacles numerous and equal in length to the branchiae (
|
||
<figureCitation id="133BF5CDFFDAFFC45E22D4C364F7FCD9" box="[566,665,748,773]" captionStart="Figure 13" captionStartId="19.[121,189,1953,1975]" captionTargetBox="[253,1288,151,1938]" captionTargetId="figure-10@19.[253,1288,151,1938]" captionTargetPageId="19" captionText="Figure 13. Light microscopy images of Melinna elisabethae (AM W.21793). (A) Whole specimen. (a) Pygidium. (B) Anterior end dorsal view, stained with methyl blue. (C) Lateral view of anterior end stained with methyl blue. (D) Lateral view of anterior end. (E) Dorsal hooks. (F) Anterior end ventral view, stained with methyl blue. (G) Tube. Scale bars:A, 2 mm; a, 250 µm; B, C, F, 500 µm; D, 250 μm; E, 100 µm; G, 3 mm.Abbreviations: l, lobes; br, branchiae; bt, buccal tentacles; seg, segment; neuro, neurochaetae; dh, dorsal hooks." figureDoi="http://doi.org/10.5281/zenodo.10414086" httpUri="https://zenodo.org/record/10414086/files/figure.png" pageId="18" pageNumber="143">Fig. 13B</figureCitation>
|
||
). Four pairs of branchiae annulated with distal surface exhibiting cilia patches (
|
||
<figureCitation id="133BF5CDFFDAFFC45D13D50867E8FCE3" box="[263,390,807,831]" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">Fig. 14A,C</figureCitation>
|
||
). Branchiae circular in crosssection, anterior pair showing 40% of basal fusion and outer pair 20% fusion (
|
||
<figureCitation id="133BF5CDFFDAFFC45D20D54D67DAFCA6" box="[308,436,866,890]" captionStart="Figure 13" captionStartId="19.[121,189,1953,1975]" captionTargetBox="[253,1288,151,1938]" captionTargetId="figure-10@19.[253,1288,151,1938]" captionTargetPageId="19" captionText="Figure 13. Light microscopy images of Melinna elisabethae (AM W.21793). (A) Whole specimen. (a) Pygidium. (B) Anterior end dorsal view, stained with methyl blue. (C) Lateral view of anterior end stained with methyl blue. (D) Lateral view of anterior end. (E) Dorsal hooks. (F) Anterior end ventral view, stained with methyl blue. (G) Tube. Scale bars:A, 2 mm; a, 250 µm; B, C, F, 500 µm; D, 250 μm; E, 100 µm; G, 3 mm.Abbreviations: l, lobes; br, branchiae; bt, buccal tentacles; seg, segment; neuro, neurochaetae; dh, dorsal hooks." figureDoi="http://doi.org/10.5281/zenodo.10414086" httpUri="https://zenodo.org/record/10414086/files/figure.png" pageId="18" pageNumber="143">Figs 13B,C</figureCitation>
|
||
,
|
||
<figureCitation id="133BF5CDFFDAFFC45DD6D54D679CFCA6" box="[450,498,866,890]" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">14C</figureCitation>
|
||
). One pair of dorsal hooks strongly curved and with pointed tips (
|
||
<figureCitation id="133BF5CDFFDAFFC45E3AD55064D1FC4B" box="[558,703,895,919]" captionStart="Figure 13" captionStartId="19.[121,189,1953,1975]" captionTargetBox="[253,1288,151,1938]" captionTargetId="figure-10@19.[253,1288,151,1938]" captionTargetPageId="19" captionText="Figure 13. Light microscopy images of Melinna elisabethae (AM W.21793). (A) Whole specimen. (a) Pygidium. (B) Anterior end dorsal view, stained with methyl blue. (C) Lateral view of anterior end stained with methyl blue. (D) Lateral view of anterior end. (E) Dorsal hooks. (F) Anterior end ventral view, stained with methyl blue. (G) Tube. Scale bars:A, 2 mm; a, 250 µm; B, C, F, 500 µm; D, 250 μm; E, 100 µm; G, 3 mm.Abbreviations: l, lobes; br, branchiae; bt, buccal tentacles; seg, segment; neuro, neurochaetae; dh, dorsal hooks." figureDoi="http://doi.org/10.5281/zenodo.10414086" httpUri="https://zenodo.org/record/10414086/files/figure.png" pageId="18" pageNumber="143">Figs 13B,D,E</figureCitation>
|
||
,
|
||
<figureCitation id="133BF5CDFFDAFFC45ED3D5506560FC4B" box="[711,782,895,919]" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">14B,C</figureCitation>
|
||
), solid without internal canal. Dorsal membrane with about 12 triangular projections on anterior margin (
|
||
<figureCitation id="133BF5CDFFDAFFC45E7FD59564BEFC0E" box="[619,720,954,978]" captionStart="Figure 13" captionStartId="19.[121,189,1953,1975]" captionTargetBox="[253,1288,151,1938]" captionTargetId="figure-10@19.[253,1288,151,1938]" captionTargetPageId="19" captionText="Figure 13. Light microscopy images of Melinna elisabethae (AM W.21793). (A) Whole specimen. (a) Pygidium. (B) Anterior end dorsal view, stained with methyl blue. (C) Lateral view of anterior end stained with methyl blue. (D) Lateral view of anterior end. (E) Dorsal hooks. (F) Anterior end ventral view, stained with methyl blue. (G) Tube. Scale bars:A, 2 mm; a, 250 µm; B, C, F, 500 µm; D, 250 μm; E, 100 µm; G, 3 mm.Abbreviations: l, lobes; br, branchiae; bt, buccal tentacles; seg, segment; neuro, neurochaetae; dh, dorsal hooks." figureDoi="http://doi.org/10.5281/zenodo.10414086" httpUri="https://zenodo.org/record/10414086/files/figure.png" pageId="18" pageNumber="143">Figs 13E</figureCitation>
|
||
,
|
||
<figureCitation id="133BF5CDFFDAFFC45EC8D5956560FC0E" box="[732,782,954,978]" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">14A</figureCitation>
|
||
). First segment achaetous (
|
||
<figureCitation id="133BF5CDFFDAFFC45DA1D5F86478FC33" box="[437,534,983,1007]" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">Fig. 14A</figureCitation>
|
||
) with crenulated ventral margin (
|
||
<figureCitation id="133BF5CDFFDAFFC45CE9D5DB6735FBD0" box="[253,347,1012,1036]" captionStart="Figure 15" captionStartId="21.[121,189,1925,1947]" captionTargetBox="[136,1411,151,1914]" captionTargetId="figure-10@21.[136,1411,151,1914]" captionTargetPageId="21" captionText="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi="http://doi.org/10.5281/zenodo.10414090" httpUri="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">Fig. 15B</figureCitation>
|
||
). Segments 2–5 with acicular neurochaetae arranged in elongated tori, progressively inserted more laterally (
|
||
<figureCitation id="133BF5CDFFDAFFC45D05D20067FEFB9B" box="[273,400,1071,1095]" captionStart="Figure 13" captionStartId="19.[121,189,1953,1975]" captionTargetBox="[253,1288,151,1938]" captionTargetId="figure-10@19.[253,1288,151,1938]" captionTargetPageId="19" captionText="Figure 13. Light microscopy images of Melinna elisabethae (AM W.21793). (A) Whole specimen. (a) Pygidium. (B) Anterior end dorsal view, stained with methyl blue. (C) Lateral view of anterior end stained with methyl blue. (D) Lateral view of anterior end. (E) Dorsal hooks. (F) Anterior end ventral view, stained with methyl blue. (G) Tube. Scale bars:A, 2 mm; a, 250 µm; B, C, F, 500 µm; D, 250 μm; E, 100 µm; G, 3 mm.Abbreviations: l, lobes; br, branchiae; bt, buccal tentacles; seg, segment; neuro, neurochaetae; dh, dorsal hooks." figureDoi="http://doi.org/10.5281/zenodo.10414086" httpUri="https://zenodo.org/record/10414086/files/figure.png" pageId="18" pageNumber="143">Fig. 13B,C</figureCitation>
|
||
). From segment 6 neuropodia with uncini continuing to pygidium. Notopodia present from segment 4, initially very small with short notochaetae, then progressively becoming larger, more laterally inserted and welldeveloped by segment 7 (
|
||
<figureCitation id="133BF5CDFFDAFFC45DF8D28B643CFB61" box="[492,594,1188,1213]" captionStart="Figure 13" captionStartId="19.[121,189,1953,1975]" captionTargetBox="[253,1288,151,1938]" captionTargetId="figure-10@19.[253,1288,151,1938]" captionTargetPageId="19" captionText="Figure 13. Light microscopy images of Melinna elisabethae (AM W.21793). (A) Whole specimen. (a) Pygidium. (B) Anterior end dorsal view, stained with methyl blue. (C) Lateral view of anterior end stained with methyl blue. (D) Lateral view of anterior end. (E) Dorsal hooks. (F) Anterior end ventral view, stained with methyl blue. (G) Tube. Scale bars:A, 2 mm; a, 250 µm; B, C, F, 500 µm; D, 250 μm; E, 100 µm; G, 3 mm.Abbreviations: l, lobes; br, branchiae; bt, buccal tentacles; seg, segment; neuro, neurochaetae; dh, dorsal hooks." figureDoi="http://doi.org/10.5281/zenodo.10414086" httpUri="https://zenodo.org/record/10414086/files/figure.png" pageId="18" pageNumber="143">Figs 13D</figureCitation>
|
||
,
|
||
<figureCitation id="133BF5CDFFDAFFC45E48D28A64E2FB61" box="[604,652,1189,1213]" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">14A</figureCitation>
|
||
,
|
||
<figureCitation id="133BF5CDFFDAFFC45E83D28B64AAFB60" box="[663,708,1188,1212]" captionStart="Figure 15" captionStartId="21.[121,189,1925,1947]" captionTargetBox="[136,1411,151,1914]" captionTargetId="figure-10@21.[136,1411,151,1914]" captionTargetPageId="21" captionText="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi="http://doi.org/10.5281/zenodo.10414090" httpUri="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">15C</figureCitation>
|
||
) and on all subsequent ones. Notochaetae arranged in two tiers (
|
||
<figureCitation id="133BF5CDFFDAFFC45EFBD2ED66BBFB2B" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">Fig. 14H</figureCitation>
|
||
) with tips of longer ones curved (
|
||
<figureCitation id="133BF5CDFFDAFFC45E5DD2F064C5FB2B" box="[585,683,1247,1271]" captionStart="Figure 15" captionStartId="21.[121,189,1925,1947]" captionTargetBox="[136,1411,151,1914]" captionTargetId="figure-10@21.[136,1411,151,1914]" captionTargetPageId="21" captionText="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi="http://doi.org/10.5281/zenodo.10414090" httpUri="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">Fig. 15A</figureCitation>
|
||
) and with blades finely ornamented (
|
||
<figureCitation id="133BF5CDFFDAFFC45DD1D2D3642EFAC9" box="[453,576,1276,1301]" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">Figs 14F,H</figureCitation>
|
||
,
|
||
<figureCitation id="133BF5CDFFDAFFC45E59D2D364FBFAC8" box="[589,661,1276,1300]" captionStart="Figure 15" captionStartId="21.[121,189,1925,1947]" captionTargetBox="[136,1411,151,1914]" captionTargetId="figure-10@21.[136,1411,151,1914]" captionTargetPageId="21" captionText="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi="http://doi.org/10.5281/zenodo.10414090" httpUri="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">15A,E</figureCitation>
|
||
). Notopodia globular with posterior lobe longer than anterior one (
|
||
<figureCitation id="133BF5CDFFDAFFC45EFBD335676CFA93" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">Fig. 14D,E,F</figureCitation>
|
||
) and well separated from neuropodia (
|
||
<figureCitation id="133BF5CDFFDAFFC45EBBD318657BFA93" box="[687,789,1335,1359]" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">Figs 14E</figureCitation>
|
||
,
|
||
<figureCitation id="133BF5CDFFDAFFC45CB2D37B66B8FAB0" box="[166,214,1364,1388]" captionStart="Figure 15" captionStartId="21.[121,189,1925,1947]" captionTargetBox="[136,1411,151,1914]" captionTargetId="figure-10@21.[136,1411,151,1914]" captionTargetPageId="21" captionText="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi="http://doi.org/10.5281/zenodo.10414090" httpUri="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">15C</figureCitation>
|
||
). Thoracic neuropodia raised glandular tori slightly curved, bearing about 26 uncini (
|
||
<figureCitation id="133BF5CDFFDAFFC45E16D35D640CFA56" box="[514,610,1394,1418]" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">Fig. 14E</figureCitation>
|
||
). Thoracic uncini with a single row of four teeth with ornamentation on lateral face and becoming marked and behind anterior tooth strongly ornamented with small teeth (
|
||
<figureCitation id="133BF5CDFFDAFFC45DC9D3E5642FFA3E" box="[477,577,1482,1506]" captionStart="Figure 14" captionStartId="20.[166,233,1933,1955]" captionTargetBox="[178,1460,151,1923]" captionTargetId="figure-11@20.[178,1460,151,1923]" captionTargetPageId="20" captionText="Figure 14. SEM of Melinna elisabethae (AM W.21793.002).(A) Dorsal view of anterior end with segments numbered.(B) Dorsal hook.(C) Surface of branchiae. (D) Lateral view of chaetigers 5–10.(E) Chaetigers 5 and 6. (F) Notochaetae chaetiger 6. (G)Anterior neurochaetae of chaetiger 6. (H) Midthoracic notopodium showing two types of chaetae. Scale bars: A, 500 μm; B, E, 100 μm; C, D, 200 μm; F, 20 μm; G, 10 μm; H, 50 μm.Abbreviations: dh, dorsal hooks; bf, branchial fusion; 2t, notochaetae of 2 tiers + neurochaetae; c, cilia patches." figureDoi="http://doi.org/10.5281/zenodo.10414088" httpUri="https://zenodo.org/record/10414088/files/figure.png" pageId="18" pageNumber="143">Figs 14G</figureCitation>
|
||
,
|
||
<figureCitation id="133BF5CDFFDAFFC45E5FD3E564FFFA3E" box="[587,657,1482,1506]" captionStart="Figure 15" captionStartId="21.[121,189,1925,1947]" captionTargetBox="[136,1411,151,1914]" captionTargetId="figure-10@21.[136,1411,151,1914]" captionTargetPageId="21" captionText="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi="http://doi.org/10.5281/zenodo.10414090" httpUri="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">15D,F</figureCitation>
|
||
). Abdominal rudimentary notopodia not observed as in
|
||
<bibRefCitation id="EF9194B9FFDAFFC45E71D3C86680F9C0" author="Mackie, S. Y. & F. Pleijel" pageId="18" pageNumber="143" pagination="103 - 124" refId="ref13913" refString="Mackie, S. Y., and F. Pleijel. 1995. A review of the Melinna cristata species group (Polychaeta: Ampharetidae) in the northeastern Atlantic. Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institute 92: 103 - 124." type="journal article" year="1995">Mackie & Pleijel (1995)</bibRefCitation>
|
||
, specimens very small and thin (
|
||
<figureCitation id="133BF5CDFFDAFFC45E23D02B64F8F9C0" box="[567,662,1540,1564]" captionStart="Figure 15" captionStartId="21.[121,189,1925,1947]" captionTargetBox="[136,1411,151,1914]" captionTargetId="figure-10@21.[136,1411,151,1914]" captionTargetPageId="21" captionText="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi="http://doi.org/10.5281/zenodo.10414090" httpUri="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">Fig. 15G</figureCitation>
|
||
).Abdominal neuropodia welldeveloped but not elevated, anteriorly bearing four teeth arranged in a single row (
|
||
<figureCitation id="133BF5CDFFDAFFC45E83D0106560F98B" box="[663,782,1599,1623]" captionStart="Figure 15" captionStartId="21.[121,189,1925,1947]" captionTargetBox="[136,1411,151,1914]" captionTargetId="figure-10@21.[136,1411,151,1914]" captionTargetPageId="21" captionText="Figure 15. SEM of Melinna elisabethae (AM W.21793.002). (A) Closeup view of notopodial chaetal surface of chaetiger 14. (B) Ventral view of anterior end. (C) Dorsal view of chaetigers 6, 7, 8, 9. (D) Neurochaetae chaetiger 7. (E) Chaetiger 11. (F) Posterior thoracic neurochaetae.(G)Abdominal chaetigers showing lack of notopodia.(H) Posterior neurochaetae.(I) Closeup view of posterior neurochaetae. Scale bars: A, 20 μm; B, 1 mm; C, 200 μm; D, 10 μm; E, 50 μm; G, 100 μm; H, I, 10 μm. Abbreviations: tri, trilobed prostomium; pr, triangular glandular prostomium with anterior margin bearing longitudinal slits; st, small teeth." figureDoi="http://doi.org/10.5281/zenodo.10414090" httpUri="https://zenodo.org/record/10414090/files/figure.png" pageId="18" pageNumber="143">Fig. 15H,I</figureCitation>
|
||
). Terminal anus bounded by pair of large lateral lobes and several smaller lateral ones (
|
||
<figureCitation id="133BF5CDFFDAFFC45DC5D0556446F94E" box="[465,552,1658,1682]" captionStart="Figure 13" captionStartId="19.[121,189,1953,1975]" captionTargetBox="[253,1288,151,1938]" captionTargetId="figure-10@19.[253,1288,151,1938]" captionTargetPageId="19" captionText="Figure 13. Light microscopy images of Melinna elisabethae (AM W.21793). (A) Whole specimen. (a) Pygidium. (B) Anterior end dorsal view, stained with methyl blue. (C) Lateral view of anterior end stained with methyl blue. (D) Lateral view of anterior end. (E) Dorsal hooks. (F) Anterior end ventral view, stained with methyl blue. (G) Tube. Scale bars:A, 2 mm; a, 250 µm; B, C, F, 500 µm; D, 250 μm; E, 100 µm; G, 3 mm.Abbreviations: l, lobes; br, branchiae; bt, buccal tentacles; seg, segment; neuro, neurochaetae; dh, dorsal hooks." figureDoi="http://doi.org/10.5281/zenodo.10414086" httpUri="https://zenodo.org/record/10414086/files/figure.png" pageId="18" pageNumber="143">Fig. 13a</figureCitation>
|
||
) and lacking anal cirri. Methyl blue stain shows extensive ventral glandular areas (
|
||
<figureCitation id="133BF5CDFFDAFFC45CBAD09B6760F911" box="[174,270,1716,1741]" captionStart="Figure 13" captionStartId="19.[121,189,1953,1975]" captionTargetBox="[253,1288,151,1938]" captionTargetId="figure-10@19.[253,1288,151,1938]" captionTargetPageId="19" captionText="Figure 13. Light microscopy images of Melinna elisabethae (AM W.21793). (A) Whole specimen. (a) Pygidium. (B) Anterior end dorsal view, stained with methyl blue. (C) Lateral view of anterior end stained with methyl blue. (D) Lateral view of anterior end. (E) Dorsal hooks. (F) Anterior end ventral view, stained with methyl blue. (G) Tube. Scale bars:A, 2 mm; a, 250 µm; B, C, F, 500 µm; D, 250 μm; E, 100 µm; G, 3 mm.Abbreviations: l, lobes; br, branchiae; bt, buccal tentacles; seg, segment; neuro, neurochaetae; dh, dorsal hooks." figureDoi="http://doi.org/10.5281/zenodo.10414086" httpUri="https://zenodo.org/record/10414086/files/figure.png" pageId="18" pageNumber="143">Fig. 13F</figureCitation>
|
||
). Tube with attached shell fragments on anterior end and rest of tube made of smaller sand grains and mud (
|
||
<figureCitation id="133BF5CDFFDAFFC45CBAD0C0677FF8DB" box="[174,273,1775,1799]" captionStart="Figure 13" captionStartId="19.[121,189,1953,1975]" captionTargetBox="[253,1288,151,1938]" captionTargetId="figure-10@19.[253,1288,151,1938]" captionTargetPageId="19" captionText="Figure 13. Light microscopy images of Melinna elisabethae (AM W.21793). (A) Whole specimen. (a) Pygidium. (B) Anterior end dorsal view, stained with methyl blue. (C) Lateral view of anterior end stained with methyl blue. (D) Lateral view of anterior end. (E) Dorsal hooks. (F) Anterior end ventral view, stained with methyl blue. (G) Tube. Scale bars:A, 2 mm; a, 250 µm; B, C, F, 500 µm; D, 250 μm; E, 100 µm; G, 3 mm.Abbreviations: l, lobes; br, branchiae; bt, buccal tentacles; seg, segment; neuro, neurochaetae; dh, dorsal hooks." figureDoi="http://doi.org/10.5281/zenodo.10414086" httpUri="https://zenodo.org/record/10414086/files/figure.png" pageId="18" pageNumber="143">Fig. 13G</figureCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |