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<document id="0F2005CB8CB355FD647ECF5BCE68C0E7" ID-DOI="10.3853/j.2201-4349.75.2023.1803" ID-ISSN="2201-4349" ID-Zenodo-Dep="10414060" IM.bibliography_approvedBy="carolina" IM.illustrations_approvedBy="carolina" IM.materialsCitations_approvedBy="carolina" IM.metadata_approvedBy="felipe" IM.tables_approvedBy="carolina" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="carolina" checkinTime="1703108469859" checkinUser="felipe" docAuthor="Gunton, Laetitia M., Zhang, William, Kupriyanova, Elena K. &amp; Hutchings, Pat A." docDate="2023" docId="03A9585EFFC2FFDA5FBDD5CB65D0F81F" 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 cristata ZMBN" docType="treatment" docVersion="5" lastPageNumber="137" 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="135" updateTime="1713300403383" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:title id="C29FEE5E0747DF820B98640180371749">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="41FA3C9F9C904FC8BDA12CA8B65B40D1">Gunton, Laetitia M.</mods:namePart>
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<mods:namePart id="E8F1076B00CDBBEB584C69A819A1DA11">Zhang, William</mods:namePart>
<mods:affiliation id="3CDF827324D748C75503A92C2091DBC9">School of Life and Environmental Sciences, University of Sydney NSW 2006, Australia</mods:affiliation>
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<mods:namePart id="5B8548013ECD3980DE90F90B040D5111">Kupriyanova, Elena K.</mods:namePart>
<mods:affiliation id="3BCDC655D1BB0ECA5906B36C997F9F3F">Australian Museum Research Institute, Australian Museum, 1 William Street, Sydney NSW 2010, Australia &amp; Department of Biological Sciences, Macquarie University, North Ryde NSW 2109, Australia</mods:affiliation>
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<mods:namePart id="07060C485C2FEDC2B66B4A94CB0F323C">Hutchings, Pat A.</mods:namePart>
<mods:affiliation id="3098675B4ABA0201B4862429ECDC9F6D">Australian Museum Research Institute, Australian Museum, 1 William Street, Sydney NSW 2010, Australia &amp; Department of Biological Sciences, Macquarie University, North Ryde NSW 2109, Australia</mods:affiliation>
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<mods:date id="7F099C05A5B25F8757DD7525CE290B71">2023</mods:date>
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<treatment id="03A9585EFFC2FFDA5FBDD5CB65D0F81F" ID-DOI="http://doi.org/10.5281/zenodo.10982408" ID-Zenodo-Dep="10982408" LSID="urn:lsid:plazi:treatment:03A9585EFFC2FFDA5FBDD5CB65D0F81F" httpUri="http://treatment.plazi.org/id/03A9585EFFC2FFDA5FBDD5CB65D0F81F" lastPageId="12" lastPageNumber="137" pageId="10" pageNumber="135">
<subSubSection id="C31ABAC3FFC2FFDC5FBDD5CB6336FBDF" box="[937,1368,996,1028]" pageId="10" pageNumber="135" type="nomenclature">
<paragraph id="8BBFE948FFC2FFDC5FBDD5CB6336FBDF" blockId="10.[937,1368,996,1028]" box="[937,1368,996,1028]" pageId="10" pageNumber="135">
<heading id="D0F75E24FFC2FFDC5FBDD5CB6336FBDF" bold="true" box="[937,1368,996,1028]" centered="true" fontSize="12" level="2" pageId="10" pageNumber="135" reason="2">
<taxonomicName id="4C0092CBFFC2FFDC5FBDD5CB6336FBDF" ID-CoL="3ZFMB" authority="(Sars, 1851)" authorityName="ZMBN" baseAuthorityName="M. Sars" baseAuthorityYear="1851" box="[937,1368,996,1028]" class="Polychaeta" family="Melinnidae" genus="Melinna" kingdom="Animalia" order="Terebellida" pageId="10" pageNumber="135" phylum="Annelida" rank="species" species="cristata">
<emphasis id="B974355AFFC2FFDC5FBDD5CB6336FBDF" bold="true" box="[937,1368,996,1028]" pageId="10" pageNumber="135">
<emphasis id="B974355AFFC2FFDC5FBDD5CB62F4FBD8" bold="true" box="[937,1178,996,1028]" italics="true" pageId="10" pageNumber="135">Melinna cristata</emphasis>
(
<bibRefCitation id="EF9194B9FFC2FFDC58BBD5CB6320FBDF" author="Sars, M." box="[1199,1358,996,1027]" pageId="10" pageNumber="135" pagination="121 - 211" refId="ref15101" refString="Sars, M. 1851. Beretning om i Sommeren 1849 Fortagen Zoologisk Reise i Lofoten og Finmarken. Nyt Magazin Naturvidenskaberne 6 (2): 121 - 211." type="journal article" year="1851">Sars, 1851</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
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<subSubSection id="C31ABAC3FFC2FFDC5FE8D231636BFBE5" box="[1020,1285,1054,1081]" pageId="10" pageNumber="135" type="description">
<paragraph id="8BBFE948FFC2FFDC5FE8D231636BFBE5" blockId="10.[1020,1285,1054,1081]" box="[1020,1285,1054,1081]" pageId="10" pageNumber="135">
<figureCitation id="133BF5CDFFC2FFDC5FE8D2316218FBE4" box="[1020,1142,1054,1080]" captionStart-0="Figure 9" captionStart-1="Figure 10" captionStart-2="Figure 11" captionStart-3="Figure 12" captionStartId-0="14.[167,235,1922,1944]" captionStartId-1="15.[121,189,1952,1974]" captionStartId-2="16.[167,235,1952,1974]" captionStartId-3="17.[121,189,1963,1985]" captionTargetBox-0="[167,1467,151,1910]" captionTargetBox-1="[125,1418,151,1938]" captionTargetBox-2="[169,1462,151,1939]" captionTargetBox-3="[121,1421,151,1948]" captionTargetId-0="figure-12@14.[167,1467,151,1910]" captionTargetId-1="figure-9@15.[125,1418,151,1938]" captionTargetId-2="figure-12@16.[169,1462,151,1939]" captionTargetId-3="figure-9@17.[121,1421,151,1948]" captionTargetPageId-0="14" captionTargetPageId-1="15" captionTargetPageId-2="16" captionTargetPageId-3="17" captionText-0="Figure 9. Light microscopy images of Melinna cristata (AM W.21971). (A) Ventral view, entire specimen. (B) Lateral view, anterior end. (C) Dorsal view of branchiae. (D) Lateral view of anterior end. (E) Lateral view of entire specimen. (e) Pygidium. (F) Lateral view of abdomen, arrows indicate rudimental notopodia. Scale bars: A, 2 mm; B, C, e, F, 500 μm; D, 1 mm; E, 3 mm. Abbreviations: tga, thoracic glandular areas (glandular shields); seg, segment; noto, notochaetae; neuro, neurochaetae; lm, low membrane basal fusion; en, elevated neuropodia; gl, glandular lobes." captionText-1="Figure 10. SEM of Melinna cristata (AM W.21791.001). (A) Dorsal view of anterior end. (B) Dorsal view of anterior end. (C) Dorsal hook. (D) Dorsal hook. (E) Dorsal view of branchiae. (F) Branchial surface. (G) Chaetigers 1–3. Scale bars:A, 1 mm; B, E, 500 μm; C, 50 μm; D, 20 μm; F, G, 100 μm. Abbreviations: bf, basal fusion; dh, dorsal hooks; dm, dorsal membrane; ic, internal canal; cp, rows of cilia on branchiae; nc, notochaetae." captionText-2="Figure 11. SEM of Melinna cristata (AM W.21791). (A) Chaetiger 11. (B) Close­up view of chaetae from chaetiger 11. (C) Dorsal view of entire specimen. (D) Lateral view of anterior end. (E) 1st and 2nd neuropodia.(F) Close­up view of 2nd neuropodia. (G) Close­up view of 2nd neuropodia. Scale bars: A, 50 μm; B, F, G, 10 μm; C, D, 1 mm; E, 100 μm. Abbreviations: dm, dorsal membrane; seg, segment; noto, notochaetae; neuro, neurochaetae; tn, thoracic neuropodia; op, sub­rostral ornamented process." captionText-3="Figure 12. SEM of Melinna cristata (AM W.21791). (A) Chaetigers 11–14. (B) Lateral view of posterior end. (C) Junction of thorax and abdomen. (D) Far posterior abdominal neurochaetae. (E) Far posterior abdominal neurochaetae. (F) Pygidium. (G) Close­up view of pygidium. Scale bars:A, G, 200 μm; B, 500 μm; C, F, 1 mm; D, 5 μm; E, 10 μm." figureDoi-0="http://doi.org/10.5281/zenodo.10414078" figureDoi-1="http://doi.org/10.5281/zenodo.10414080" figureDoi-2="http://doi.org/10.5281/zenodo.10414082" figureDoi-3="http://doi.org/10.5281/zenodo.10414084" httpUri-0="https://zenodo.org/record/10414078/files/figure.png" httpUri-1="https://zenodo.org/record/10414080/files/figure.png" httpUri-2="https://zenodo.org/record/10414082/files/figure.png" httpUri-3="https://zenodo.org/record/10414084/files/figure.png" pageId="10" pageNumber="135">Figs 9–12</figureCitation>
;
<tableCitation id="C682DCF3FFC2FFDC5897D2316287FBE4" box="[1155,1257,1054,1080]" captionStart="Table 4" captionStartId="22.[166,229,171,195]" captionTargetPageId="22" captionText="Table 4. List of described Melinna species with type localities, depths, and coordinates (decimal degrees)." pageId="10" pageNumber="135">Tables 4</tableCitation>
,
<tableCitation id="C682DCF3FFC2FFDC58E3D231636BFBE5" box="[1271,1285,1054,1081]" 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="10" pageNumber="135">5</tableCitation>
</paragraph>
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<treatmentCitationGroup id="AB10CE66FFC2FFDC5F72D2636264FBA0" pageId="10" pageNumber="135">
<treatmentCitation id="0AA1CF59FFC2FFDC5F72D263637EFBBE" author="Sars, M." box="[870,1296,1100,1122]" page="206" pageId="10" pageNumber="135" year="1851">
<taxonomicName id="4C0092CBFFC2FFDC5F72D263637EFBBE" authority="M. Sars, 1851: 205 - 206" authorityName="M. Sars" authorityPageNumber="205 - 206" authorityYear="1851" box="[870,1296,1100,1122]" class="Polychaeta" family="Ampharetidae" genus="Sabellides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Terebellida" pageId="10" pageNumber="135" phylum="Annelida" rank="species" species="cristata">
<emphasis id="B974355AFFC2FFDC5F72D2636277FBBE" box="[870,1049,1100,1122]" italics="true" pageId="10" pageNumber="135">Sabellides cristata</emphasis>
M.
<bibRefCitation id="EF9194B9FFC2FFDC5852D263637EFBBE" author="Sars, M." box="[1094,1296,1100,1122]" pageId="10" pageNumber="135" pagination="121 - 211" refId="ref15101" refString="Sars, M. 1851. Beretning om i Sommeren 1849 Fortagen Zoologisk Reise i Lofoten og Finmarken. Nyt Magazin Naturvidenskaberne 6 (2): 121 - 211." type="journal article" year="1851">Sars, 1851: 205–206</bibRefCitation>
</taxonomicName>
</treatmentCitation>
; 1856: 19–23, pl. 2, fig. 1–7.
</treatmentCitationGroup>
</paragraph>
<subSubSection id="C31ABAC3FFC2FFDC5D42D24B64E5FB71" pageId="10" pageNumber="135" type="nomenclature">
<paragraph id="8BBFE948FFC2FFDC5D42D24B64E5FB71" blockId="10.[309,651,1124,1197]" pageId="10" pageNumber="135">
<heading id="D0F75E24FFC2FFDC5D42D24B64E5FB71" bold="true" centered="true" fontSize="13" level="2" pageId="10" pageNumber="135" reason="4">
<taxonomicName id="4C0092CBFFC2FFDC5D42D24B64E5FB71" ID-CoL="3ZFM6" authority="Mackie &amp; Pleijel, 1995" authorityName="Mackie &amp; Pleijel" authorityYear="1995" class="Polychaeta" family="Melinnidae" genus="Melinna" kingdom="Animalia" order="Terebellida" pageId="10" pageNumber="135" phylum="Annelida" rank="species" species="albicincta">
<emphasis id="B974355AFFC2FFDC5D42D24B64E5FB71" bold="true" pageId="10" pageNumber="135">
<emphasis id="B974355AFFC2FFDC5D42D24B6405FB5F" bold="true" box="[342,619,1124,1155]" italics="true" pageId="10" pageNumber="135">Melinna albicincta</emphasis>
<bibRefCitation id="EF9194B9FFC2FFDC5D21D2A164E5FB71" author="Mackie, S. Y. &amp; F. Pleijel" box="[309,651,1166,1197]" pageId="10" pageNumber="135" 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 &amp; Pleijel, 1995</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<paragraph id="8BBFE948FFC2FFDC5F71D2AE63F3FB4B" blockId="10.[869,1437,1100,1202]" box="[869,1437,1153,1175]" pageId="10" pageNumber="135">
<treatmentCitationGroup id="AB10CE66FFC2FFDC5F71D2AE63F3FB4B" box="[869,1437,1153,1175]" pageId="10" pageNumber="135">
<treatmentCitation id="0AA1CF59FFC2FFDC5F71D2AE6363FB4A" author="Malmgren, A. J." box="[869,1293,1153,1175]" page="372" pageId="10" pageNumber="135" year="1866">
<taxonomicName id="4C0092CBFFC2FFDC5F71D2AE6363FB4A" ID-CoL="3ZFMB" authority="Malmgren, 1866: 371 - 372" authorityName="Malmgren" authorityPageNumber="371 - 372" authorityYear="1866" box="[869,1293,1153,1175]" class="Polychaeta" family="Melinnidae" genus="Melinna" kingdom="Animalia" order="Terebellida" pageId="10" pageNumber="135" phylum="Annelida" rank="species" species="cristata">
<emphasis id="B974355AFFC2FFDC5F71D2AE626AFB4B" box="[869,1028,1153,1175]" italics="true" pageId="10" pageNumber="135">Melinna cristata</emphasis>
<bibRefCitation id="EF9194B9FFC2FFDC581ED2AE6363FB4A" author="Malmgren, A. J." box="[1034,1293,1153,1175]" pageId="10" pageNumber="135" pagination="355 - 410" refId="ref13886" refString="Malmgren, A. J. 1866. Nordiska Hafs-Annulater. Ofversigt af Koniglich Vetenskapsakademiens forhandlingar, Stockholm 22 (5): 355 - 410." type="journal article" year="1866">Malmgren, 1866: 371–372</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, pl. 20, fig. 50.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BBFE948FFC2FFDC5F71D2B3630EFB6E" blockId="10.[869,1437,1100,1202]" box="[869,1376,1180,1202]" pageId="10" pageNumber="135">
For complete synonymy see
<bibRefCitation id="EF9194B9FFC2FFDC586DD2B36332FB6E" author="Mackie, S. Y. &amp; F. Pleijel" box="[1145,1372,1180,1202]" pageId="10" pageNumber="135" 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 &amp; Pleijel, 1995</bibRefCitation>
.
</paragraph>
<subSubSection id="C31ABAC3FFC2FFDC5D77D2E76433FB3E" box="[355,605,1223,1250]" pageId="10" pageNumber="135" type="description">
<paragraph id="8BBFE948FFC2FFDC5D77D2E76433FB3E" blockId="10.[355,605,1223,1250]" box="[355,605,1223,1250]" pageId="10" pageNumber="135">
<figureCitation id="133BF5CDFFC2FFDC5D77D2E767A0FB3E" box="[355,462,1224,1250]" captionStart-0="Figure 6" captionStart-1="Figure 7" captionStart-2="Figure 8" captionStartId-0="11.[121,189,1921,1943]" captionStartId-1="12.[166,234,1639,1661]" captionStartId-2="13.[121,189,1926,1948]" captionTargetBox-0="[121,1421,151,1910]" captionTargetBox-1="[166,1466,151,1628]" captionTargetBox-2="[132,1407,151,1914]" captionTargetId-0="figure-9@11.[121,1421,151,1910]" captionTargetId-1="figure-11@12.[166,1466,151,1628]" captionTargetId-2="figure-9@13.[132,1407,151,1914]" captionTargetPageId-0="11" captionTargetPageId-1="12" captionTargetPageId-2="13" captionText-0="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." captionText-1="Figure 7. SEM of Melinna albicincta (NMWZ­1989­125­22). (A) Ventral view of anterior end. (B) Lateral view of chaetiger 6–8. (C) Notochaetae of chaetiger 11. (D) Neuropodia of chaetiger 11. (E) Dorsal view of anterior end. (F) Dorsal view of anterior end with dorsal hooks. Scale bars: A, 1 mm; B, 500 μm; C, 200 μm; D, F, 100 μm; E, 10 μm. Abbreviations: 2t, two tiers of notochaetae; bf, branchial fusion; dh, dorsal hooks; dm, dorsal membrane." captionText-2="Figure 8. SEM images of Melinna albicincta (NMWZ­1989­125­22). (A) Notochaetae of two tiers + neurochaetae. (B) Neurochaetae of chaetiger 13. (C) Neurochaetae of chaetiger 13. (D) Base of chaetiger 6, no nephridial papillae. (E) Abdominal neuropodia. (F) (NMWZ1989­125­26), light microscopy image of pygidium and far posterior abdominal segments showing elongated neuropodia. Scale bars: A, D, 100 μm; B, C, 10 μm; E, 50 μm; F, 200 μm. Abbreviations: 2t, two tiers of notochaetae; e neuro, elongated neuropodia; ll, large lobes; sl, small lobes." figureDoi-0="http://doi.org/10.5281/zenodo.10414072" figureDoi-1="http://doi.org/10.5281/zenodo.10414074" figureDoi-2="http://doi.org/10.5281/zenodo.10414076" httpUri-0="https://zenodo.org/record/10414072/files/figure.png" httpUri-1="https://zenodo.org/record/10414074/files/figure.png" httpUri-2="https://zenodo.org/record/10414076/files/figure.png" pageId="10" pageNumber="135">Figs 6–8</figureCitation>
;
<tableCitation id="C682DCF3FFC2FFDC5DCFD2E7642FFB3E" box="[475,577,1224,1250]" captionStart="Table 4" captionStartId="22.[166,229,171,195]" captionTargetPageId="22" captionText="Table 4. List of described Melinna species with type localities, depths, and coordinates (decimal degrees)." pageId="10" pageNumber="135">Tables 4</tableCitation>
,
<tableCitation id="C682DCF3FFC2FFDC5E5AD2E86433FB3E" box="[590,605,1223,1250]" 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="10" pageNumber="135">5</tableCitation>
</paragraph>
</subSubSection>
<subSubSection id="C31ABAC3FFC2FFDC5F53D2E86372FAE4" pageId="10" pageNumber="135" type="materials_examined">
<paragraph id="8BBFE948FFC2FFDC5F53D2E86372FAE4" blockId="10.[839,1467,1223,1336]" pageId="10" pageNumber="135">
<emphasis id="B974355AFFC2FFDC5F53D2E86270FB03" bold="true" box="[839,1054,1223,1247]" pageId="10" pageNumber="135">Material examined</emphasis>
.
<materialsCitation id="3B68E315FFC2FFDC583DD2E76595FB21" collectionCode="AM" pageId="10" pageNumber="135" specimenCount="3">
<collectionCode id="ED11718DFFC2FFDC583DD2E7623AFB3C" box="[1065,1108,1224,1248]" country="Australia" name="Australian Museum" pageId="10" pageNumber="135" type="Museum">AM</collectionCode>
W.21791,
<specimenCount id="9D0622C1FFC2FFDC58D3D2E76322FB03" box="[1223,1356,1223,1248]" count="3" pageId="10" pageNumber="135" type="generic">3 specimens</specimenCount>
, including one prepared for
</materialsCitation>
<materialsCitation id="3B68E315FFC2FFDC5817D2CA6376FAE4" collectingDate="1989-10-26" collectionCode="SEM, AM" collectorName="A. S. Mackie &amp; F. Pleijel" country="Sweden" elevation="110" latitude="59.0" location="Salto" longLatPrecision="1040" longitude="11.0" municipality="Kosterfjord" pageId="10" pageNumber="135" specimenCount="1">
<collectionCode id="ED11718DFFC2FFDC5817D2CA6254FB21" box="[1027,1082,1253,1277]" pageId="10" pageNumber="135">SEM</collectionCode>
(
<collectionCode id="ED11718DFFC2FFDC585ED2CA6219FB21" box="[1098,1143,1253,1277]" country="Australia" name="Australian Museum" pageId="10" pageNumber="135" type="Museum">AM</collectionCode>
W.21791.001), west of
<location id="8EDFBF93FFC2FFDC5969D2CA63D8FB21" LSID="urn:lsid:plazi:treatment:03A9585EFFC2FFDA5FBDD5CB65D0F81F:8EDFBF93FFC2FFDC5969D2CA63D8FB21" box="[1405,1462,1253,1277]" country="Sweden" latitude="59.0" longLatPrecision="1040" longitude="11.0" municipality="Kosterfjord" name="Salto" pageId="10" pageNumber="135">Salto</location>
,
<collectingMunicipality id="6BDB7332FFC2FFDC5F53D32D65ABFAC6" box="[839,965,1282,1306]" pageId="10" pageNumber="135">Kosterfjord</collectingMunicipality>
,
<collectingCountry id="F317A9D8FFC2FFDC5FC4D32D624AFAC6" box="[976,1060,1282,1306]" name="Sweden" pageId="10" pageNumber="135">Sweden</collectingCountry>
(
<geoCoordinate id="EE348F8FFFC2FFDC5827D32D62E2FAC6" box="[1075,1164,1282,1306]" degrees="59" direction="north" minutes="00" orientation="latitude" pageId="10" pageNumber="135" precision="925" value="59.0">59°00'N</geoCoordinate>
<geoCoordinate id="EE348F8FFFC2FFDC5887D32D6284FAC6" box="[1171,1258,1282,1306]" degrees="11" direction="east" minutes="00" orientation="longitude" pageId="10" pageNumber="135" precision="925" value="11.0">11°00'E</geoCoordinate>
), mud,
<quantity id="4CF844ADFFC2FFDC592FD32D63EEFAC6" box="[1339,1408,1282,1306]" metricMagnitude="2" metricUnit="m" metricValue="1.1" pageId="10" pageNumber="135" unit="m" value="110.0">
<elevation id="002D0E7BFFC2FFDC592FD32D63EEFAC6" box="[1339,1408,1282,1306]" metricMagnitude="2" metricUnit="m" metricValue="1.1" pageId="10" pageNumber="135" unit="m" value="110.0">110 m</elevation>
</quantity>
, coll.
<collectorName id="26F58C9EFFC2FFDC5F53D30F65BAFAEB" box="[839,980,1311,1336]" pageId="10" pageNumber="135">A. S. Mackie</collectorName>
&amp;
<collectorName id="26F58C9EFFC2FFDC5FE2D30F6239FAEB" box="[1014,1111,1311,1335]" pageId="10" pageNumber="135">F. Pleijel</collectorName>
,
<date id="FFBECF88FFC2FFDC5875D3306376FAE4" box="[1121,1304,1311,1336]" pageId="10" pageNumber="135" value="1989-10-26">
<collectingDate id="EFFA3660FFC2FFDC5875D3306376FAE4" box="[1121,1304,1311,1336]" pageId="10" pageNumber="135" value="1989-10-26">26 October 1989</collectingDate>
</date>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C31ABAC3FFC2FFDC5CD1D2D96737FAFA" pageId="10" pageNumber="135" type="reference_group">
<paragraph id="8BBFE948FFC2FFDC5CD1D2D96737FAFA" blockId="10.[197,765,1270,1319]" pageId="10" pageNumber="135">
<treatmentCitationGroup id="AB10CE66FFC2FFDC5CD1D2D96737FAFA" pageId="10" pageNumber="135">
<treatmentCitation id="0AA1CF59FFC2FFDC5CD1D2D964BEFAD0" author="Mackie, S. Y. &amp; F. Pleijel" box="[197,720,1270,1292]" page="120" pageId="10" pageNumber="135" year="1995">
<taxonomicName id="4C0092CBFFC2FFDC5CD1D2D964BEFAD0" ID-CoL="3ZFM6" authority="Mackie &amp; Pleijel, 1995: 116 - 120" authorityName="Mackie &amp; Pleijel" authorityPageNumber="116 - 120" authorityYear="1995" box="[197,720,1270,1292]" class="Polychaeta" family="Melinnidae" genus="Melinna" kingdom="Animalia" order="Terebellida" pageId="10" pageNumber="135" phylum="Annelida" rank="species" species="albicincta">
<emphasis id="B974355AFFC2FFDC5CD1D2D96713FAD7" box="[197,381,1270,1291]" italics="true" pageId="10" pageNumber="135">Melinna albicincta</emphasis>
<bibRefCitation id="EF9194B9FFC2FFDC5D91D2D964BEFAD0" author="Mackie, S. Y. &amp; F. Pleijel" box="[389,720,1270,1292]" pageId="10" pageNumber="135" 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 &amp; Pleijel, 1995: 116–120</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, fig. 3, 5, table 1.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C31ABAC3FFC2FFDC5CB2D3136402F980" pageId="10" pageNumber="135" type="materials_examined">
<paragraph id="8BBFE948FFC2FFDC5CB2D3136402F980" blockId="10.[166,794,1340,1628]" pageId="10" pageNumber="135">
<emphasis id="B974355AFFC2FFDC5CB2D31367ECFA88" bold="true" box="[166,386,1340,1364]" pageId="10" pageNumber="135">Material examined</emphasis>
.
<materialsCitation id="3B68E315FFC2FFDC5D86D312675BFAAD" collectionCode="NMWZ" pageId="10" pageNumber="135" specimenCode="NMWZ1989-125, 26" specimenCount="1" typeStatus="paratype">
<typeStatus id="54BB57EAFFC2FFDC5D86D3126794FA89" box="[402,506,1341,1365]" pageId="10" pageNumber="135" type="paratype">Paratypes</typeStatus>
<specimenCode id="DBA64133FFC2FFDC5E10D31364D1FA88" box="[516,703,1340,1364]" collectionCode="NMWZ" country="0" httpUri="http://grbio.org/cool/idd9-qjfy" name="National Museum of Wales" pageId="10" pageNumber="135">NMWZ1989­125</specimenCode>
­
<specimenCode id="DBA64133FFC2FFDC5EDCD313648BFA88" box="[712,741,1340,1364]" collectionCode="NMWZ" country="0" httpUri="http://grbio.org/cool/idd9-qjfy" name="National Museum of Wales" pageId="10" pageNumber="135">26</specimenCode>
, one mounted for
</materialsCitation>
<materialsCitation id="3B68E315FFC2FFDC5D54D3756579FA16" collectingDate="1989-10-28" collectionCode="SEM" collectorName="A. S. Mackie &amp; F. Pleijel" country="Sweden" elevation="70" latitude="58.875" location="Southwest of Yttre Vattenholmen" longLatPrecision="17" longitude="11.1050005" municipality="Kosterfjord" pageId="10" pageNumber="135" specimenCode="NMWZ1989-125, 22" specimenCount="1" typeStatus="paratype">
<collectionCode id="ED11718DFFC2FFDC5D54D3756712FAAE" box="[320,380,1370,1394]" pageId="10" pageNumber="135">SEM</collectionCode>
,
<specimenCode id="DBA64133FFC2FFDC5D98D375643EFAAD" box="[396,592,1369,1394]" collectionCode="NMWZ" country="0" httpUri="http://grbio.org/cool/idd9-qjfy" name="National Museum of Wales" pageId="10" pageNumber="135">NMWZ1989­125</specimenCode>
­
<specimenCode id="DBA64133FFC2FFDC5E4ED3756416FAAE" box="[602,632,1370,1394]" collectionCode="SEM" country="0" httpUri="http://grbio.org/cool/idd9-qjfy" name="National Museum of Wales" pageId="10" pageNumber="135">22</specimenCode>
, type locality
<location id="8EDFBF93FFC2FFDC5CB3D358644AFA53" LSID="urn:lsid:plazi:treatment:03A9585EFFC2FFDA5FBDD5CB65D0F81F:8EDFBF93FFC2FFDC5CB3D358644AFA53" box="[167,548,1399,1423]" country="Sweden" latitude="58.875" longLatPrecision="17" longitude="11.1050005" municipality="Kosterfjord" name="Southwest of Yttre Vattenholmen" pageId="10" pageNumber="135">Southwest of Yttre Vattenholmen</location>
,
<collectingMunicipality id="6BDB7332FFC2FFDC5E27D35864DBFA53" box="[563,693,1399,1423]" pageId="10" pageNumber="135">Kosterfjord</collectingMunicipality>
,
<collectingCountry id="F317A9D8FFC2FFDC5ED0D3586574FA53" box="[708,794,1399,1423]" name="Sweden" pageId="10" pageNumber="135">Sweden</collectingCountry>
(
<geoCoordinate id="EE348F8FFFC2FFDC5CBBD3BB6743FA70" box="[175,301,1428,1452]" degrees="58" direction="north" minutes="52" orientation="latitude" pageId="10" pageNumber="135" precision="15" seconds="30" value="58.875">58°52'30&quot;N</geoCoordinate>
<geoCoordinate id="EE348F8FFFC2FFDC5D22D3BB67DFFA70" box="[310,433,1428,1452]" degrees="11" direction="east" minutes="06" orientation="longitude" pageId="10" pageNumber="135" precision="15" seconds="18" value="11.1050005">11°06'18&quot;E</geoCoordinate>
), sand/mud/gravel, dredged from
<quantity id="4CF844ADFFC2FFDC5CB2D39E6769FA15" box="[166,263,1457,1481]" metricMagnitude="1" metricUnit="m" metricValue="7.0" metricValueMax="8.0" metricValueMin="6.0" pageId="10" pageNumber="135" unit="m" value="70.0" valueMax="80.0" valueMin="60.0">
<elevation id="002D0E7BFFC2FFDC5CB2D39E6769FA15" box="[166,263,1457,1481]" metricMagnitude="1" metricUnit="m" metricValue="7.0" metricValueMax="8.0" metricValueMin="6.0" pageId="10" pageNumber="135" unit="m" value="70.0" valueMax="80.0" valueMin="60.0">60–80 m</elevation>
</quantity>
, coll.
<collectorName id="26F58C9EFFC2FFDC5D5CD39D67A0FA15" box="[328,462,1457,1482]" pageId="10" pageNumber="135">A.S. Mackie</collectorName>
&amp;
<collectorName id="26F58C9EFFC2FFDC5DE6D39D643DFA15" box="[498,595,1457,1481]" pageId="10" pageNumber="135">F. Pleijel</collectorName>
,
<date id="FFBECF88FFC2FFDC5E4AD39D6579FA16" box="[606,791,1457,1482]" pageId="10" pageNumber="135" value="1989-10-28">
<collectingDate id="EFFA3660FFC2FFDC5E4AD39D6579FA16" box="[606,791,1457,1482]" pageId="10" pageNumber="135" value="1989-10-28">28 October 1989</collectingDate>
</date>
</materialsCitation>
.
<materialsCitation id="3B68E315FFC2FFDC5CB2D3E066D2F9E2" collectingDate="1989-10-28" collectionCode="AM" collectorName="In" country="Sweden" elevation="45" latitude="58.875" location="Southwest of Yttre Vattenholmen" longLatPrecision="17" longitude="11.1050005" municipality="Kosterfjord" pageId="10" pageNumber="135" specimenCount="1" typeStatus="paratype">
<collectionCode id="ED11718DFFC2FFDC5CB2D3E066BFFA3B" box="[166,209,1487,1511]" country="Australia" name="Australian Museum" pageId="10" pageNumber="135" type="Museum">AM</collectionCode>
W.21794,
<specimenCount id="9D0622C1FFC2FFDC5D58D3E067A5FA3B" box="[332,459,1487,1511]" count="1" pageId="10" pageNumber="135" type="generic">1 specimen</specimenCount>
, collected same locality, same date, same collectors, sandy mud/stones/gravel,
<quantity id="4CF844ADFFC2FFDC5EA7D3C3657BF9D8" box="[691,789,1516,1540]" metricMagnitude="1" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="10" pageNumber="135" unit="m" value="45.0" valueMax="50.0" valueMin="40.0">
<elevation id="002D0E7BFFC2FFDC5EA7D3C3657BF9D8" box="[691,789,1516,1540]" metricMagnitude="1" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="10" pageNumber="135" unit="m" value="45.0" valueMax="50.0" valueMin="40.0">40–50 m</elevation>
</quantity>
, dredge.
<collectorName id="26F58C9EFFC2FFDC5D14D0256778F9FD" box="[256,278,1546,1569]" pageId="10" pageNumber="135">In</collectorName>
<bibRefCitation id="EF9194B9FFC2FFDC5D34D026644DF9FD" author="Mackie, S. Y. &amp; F. Pleijel" box="[288,547,1545,1570]" pageId="10" pageNumber="135" 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 &amp; Pleijel, 1995</bibRefCitation>
this
<typeStatus id="54BB57EAFFC2FFDC5E4AD02564D4F9FE" box="[606,698,1546,1570]" pageId="10" pageNumber="135" type="paratype">paratype</typeStatus>
is listed as
</materialsCitation>
<collectionCode id="ED11718DFFC2FFDC5CD0D0086681F9E3" box="[196,239,1575,1599]" country="Australia" name="Australian Museum" pageId="10" pageNumber="135" type="Museum">AM</collectionCode>
W.21791, this is incorrect, the correct registration number for this specimen is
<collectionCode id="ED11718DFFC2FFDC5DC0D06B6791F980" box="[468,511,1604,1628]" country="Australia" name="Australian Museum" pageId="10" pageNumber="135" type="Museum">AM</collectionCode>
W.21794.
</paragraph>
</subSubSection>
<subSubSection id="C31ABAC3FFC2FFDA5853D37665D0F81F" lastPageId="12" lastPageNumber="137" pageId="10" pageNumber="135" type="discussion">
<paragraph id="8BBFE948FFC2FFDC5853D37662D5FAAF" blockId="10.[1095,1211,1369,1395]" box="[1095,1211,1369,1395]" pageId="10" pageNumber="135">
<emphasis id="B974355AFFC2FFDC5853D37662D5FAAF" bold="true" box="[1095,1211,1369,1395]" pageId="10" pageNumber="135">Remarks</emphasis>
</paragraph>
<paragraph id="8BBFE948FFC2FFDC5F53D3A8621BFA06" blockId="10.[839,1467,1415,1997]" pageId="10" pageNumber="135">
The redescription by
<bibRefCitation id="EF9194B9FFC2FFDC5831D3A8634DFA43" author="Mackie, S. Y. &amp; F. Pleijel" box="[1061,1315,1415,1440]" pageId="10" pageNumber="135" 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 &amp; Pleijel (1995)</bibRefCitation>
only provided line drawings, here we give additional information based on light and SEM photographs.
</paragraph>
<paragraph id="8BBFE948FFC2FFDA5F71D3F063D5F891" blockId="10.[839,1467,1415,1997]" lastBlockId="12.[839,1467,1787,1987]" lastPageId="12" lastPageNumber="137" pageId="10" pageNumber="135">
Prostomium with well­defined anterior and posterior parts followed by an achaetous segment 1 with anterior elevated margin (
<figureCitation id="133BF5CDFFC2FFDC5F8AD0356267F9EE" box="[926,1033,1562,1586]" captionStart="Figure 9" captionStartId="14.[167,235,1922,1944]" captionTargetBox="[167,1467,151,1910]" captionTargetId="figure-12@14.[167,1467,151,1910]" captionTargetPageId="14" captionText="Figure 9. Light microscopy images of Melinna cristata (AM W.21971). (A) Ventral view, entire specimen. (B) Lateral view, anterior end. (C) Dorsal view of branchiae. (D) Lateral view of anterior end. (E) Lateral view of entire specimen. (e) Pygidium. (F) Lateral view of abdomen, arrows indicate rudimental notopodia. Scale bars: A, 2 mm; B, C, e, F, 500 μm; D, 1 mm; E, 3 mm. Abbreviations: tga, thoracic glandular areas (glandular shields); seg, segment; noto, notochaetae; neuro, neurochaetae; lm, low membrane basal fusion; en, elevated neuropodia; gl, glandular lobes." figureDoi="http://doi.org/10.5281/zenodo.10414078" httpUri="https://zenodo.org/record/10414078/files/figure.png" pageId="10" pageNumber="135">Fig. 9A,B</figureCitation>
). Segments 2–5 with short row of acicular neurochaetae progressively becoming more laterally inserted (
<figureCitation id="133BF5CDFFC2FFDC5F5BD07A65CCF9B1" box="[847,930,1621,1645]" captionStart="Figure 9" captionStartId="14.[167,235,1922,1944]" captionTargetBox="[167,1467,151,1910]" captionTargetId="figure-12@14.[167,1467,151,1910]" captionTargetPageId="14" captionText="Figure 9. Light microscopy images of Melinna cristata (AM W.21971). (A) Ventral view, entire specimen. (B) Lateral view, anterior end. (C) Dorsal view of branchiae. (D) Lateral view of anterior end. (E) Lateral view of entire specimen. (e) Pygidium. (F) Lateral view of abdomen, arrows indicate rudimental notopodia. Scale bars: A, 2 mm; B, C, e, F, 500 μm; D, 1 mm; E, 3 mm. Abbreviations: tga, thoracic glandular areas (glandular shields); seg, segment; noto, notochaetae; neuro, neurochaetae; lm, low membrane basal fusion; en, elevated neuropodia; gl, glandular lobes." figureDoi="http://doi.org/10.5281/zenodo.10414078" httpUri="https://zenodo.org/record/10414078/files/figure.png" pageId="10" pageNumber="135">Fig. 9B</figureCitation>
). From segment 6 onwards neuropodia with uncini on raised tori (
<figureCitation id="133BF5CDFFC2FFDC5FF0D05D6229F956" box="[996,1095,1650,1674]" captionStart="Figure 11" captionStartId="16.[167,235,1952,1974]" captionTargetBox="[169,1462,151,1939]" captionTargetId="figure-12@16.[169,1462,151,1939]" captionTargetPageId="16" captionText="Figure 11. SEM of Melinna cristata (AM W.21791). (A) Chaetiger 11. (B) Close­up view of chaetae from chaetiger 11. (C) Dorsal view of entire specimen. (D) Lateral view of anterior end. (E) 1st and 2nd neuropodia.(F) Close­up view of 2nd neuropodia. (G) Close­up view of 2nd neuropodia. Scale bars: A, 50 μm; B, F, G, 10 μm; C, D, 1 mm; E, 100 μm. Abbreviations: dm, dorsal membrane; seg, segment; noto, notochaetae; neuro, neurochaetae; tn, thoracic neuropodia; op, sub­rostral ornamented process." figureDoi="http://doi.org/10.5281/zenodo.10414082" httpUri="https://zenodo.org/record/10414082/files/figure.png" pageId="10" pageNumber="135">Fig. 11D</figureCitation>
). Notopodia present from segment 4 (chaetiger 3), very small with few notochaetae, gradually increasing in size and becoming conspicuous and laterally arranged by segment 7 onwards (
<figureCitation id="133BF5CDFFC2FFDC58C4D0E5635CF93E" box="[1232,1330,1738,1762]" captionStart="Figure 9" captionStartId="14.[167,235,1922,1944]" captionTargetBox="[167,1467,151,1910]" captionTargetId="figure-12@14.[167,1467,151,1910]" captionTargetPageId="14" captionText="Figure 9. Light microscopy images of Melinna cristata (AM W.21971). (A) Ventral view, entire specimen. (B) Lateral view, anterior end. (C) Dorsal view of branchiae. (D) Lateral view of anterior end. (E) Lateral view of entire specimen. (e) Pygidium. (F) Lateral view of abdomen, arrows indicate rudimental notopodia. Scale bars: A, 2 mm; B, C, e, F, 500 μm; D, 1 mm; E, 3 mm. Abbreviations: tga, thoracic glandular areas (glandular shields); seg, segment; noto, notochaetae; neuro, neurochaetae; lm, low membrane basal fusion; en, elevated neuropodia; gl, glandular lobes." figureDoi="http://doi.org/10.5281/zenodo.10414078" httpUri="https://zenodo.org/record/10414078/files/figure.png" pageId="10" pageNumber="135">Figs 9D</figureCitation>
,
<figureCitation id="133BF5CDFFC2FFDC5956D0E5631BF93E" box="[1346,1397,1738,1762]" captionStart="Figure 10" captionStartId="15.[121,189,1952,1974]" captionTargetBox="[125,1418,151,1938]" captionTargetId="figure-9@15.[125,1418,151,1938]" captionTargetPageId="15" captionText="Figure 10. SEM of Melinna cristata (AM W.21791.001). (A) Dorsal view of anterior end. (B) Dorsal view of anterior end. (C) Dorsal hook. (D) Dorsal hook. (E) Dorsal view of branchiae. (F) Branchial surface. (G) Chaetigers 1–3. Scale bars:A, 1 mm; B, E, 500 μm; C, 50 μm; D, 20 μm; F, G, 100 μm. Abbreviations: bf, basal fusion; dh, dorsal hooks; dm, dorsal membrane; ic, internal canal; cp, rows of cilia on branchiae; nc, notochaetae." figureDoi="http://doi.org/10.5281/zenodo.10414080" httpUri="https://zenodo.org/record/10414080/files/figure.png" pageId="10" pageNumber="135">10G</figureCitation>
,
<figureCitation id="133BF5CDFFC2FFDC5991D0E563DBF93E" box="[1413,1461,1738,1762]" captionStart="Figure 11" captionStartId="16.[167,235,1952,1974]" captionTargetBox="[169,1462,151,1939]" captionTargetId="figure-12@16.[169,1462,151,1939]" captionTargetPageId="16" captionText="Figure 11. SEM of Melinna cristata (AM W.21791). (A) Chaetiger 11. (B) Close­up view of chaetae from chaetiger 11. (C) Dorsal view of entire specimen. (D) Lateral view of anterior end. (E) 1st and 2nd neuropodia.(F) Close­up view of 2nd neuropodia. (G) Close­up view of 2nd neuropodia. Scale bars: A, 50 μm; B, F, G, 10 μm; C, D, 1 mm; E, 100 μm. Abbreviations: dm, dorsal membrane; seg, segment; noto, notochaetae; neuro, neurochaetae; tn, thoracic neuropodia; op, sub­rostral ornamented process." figureDoi="http://doi.org/10.5281/zenodo.10414082" httpUri="https://zenodo.org/record/10414082/files/figure.png" pageId="10" pageNumber="135">11D</figureCitation>
,
<figureCitation id="133BF5CDFFC2FFDC5F5CD0C765C4F8DC" box="[840,938,1768,1792]" captionStart="Figure 12" captionStartId="17.[121,189,1963,1985]" captionTargetBox="[121,1421,151,1948]" captionTargetId="figure-9@17.[121,1421,151,1948]" captionTargetPageId="17" captionText="Figure 12. SEM of Melinna cristata (AM W.21791). (A) Chaetigers 11–14. (B) Lateral view of posterior end. (C) Junction of thorax and abdomen. (D) Far posterior abdominal neurochaetae. (E) Far posterior abdominal neurochaetae. (F) Pygidium. (G) Close­up view of pygidium. Scale bars:A, G, 200 μm; B, 500 μm; C, F, 1 mm; D, 5 μm; E, 10 μm." figureDoi="http://doi.org/10.5281/zenodo.10414084" httpUri="https://zenodo.org/record/10414084/files/figure.png" pageId="10" pageNumber="135">12A,B,C</figureCitation>
). Notopodia bearing two tiers of notochaetae with finely spinulose surface (
<figureCitation id="133BF5CDFFC2FFDC584FD12A62B7F8C1" box="[1115,1241,1797,1821]" captionStart="Figure 11" captionStartId="16.[167,235,1952,1974]" captionTargetBox="[169,1462,151,1939]" captionTargetId="figure-12@16.[169,1462,151,1939]" captionTargetPageId="16" captionText="Figure 11. SEM of Melinna cristata (AM W.21791). (A) Chaetiger 11. (B) Close­up view of chaetae from chaetiger 11. (C) Dorsal view of entire specimen. (D) Lateral view of anterior end. (E) 1st and 2nd neuropodia.(F) Close­up view of 2nd neuropodia. (G) Close­up view of 2nd neuropodia. Scale bars: A, 50 μm; B, F, G, 10 μm; C, D, 1 mm; E, 100 μm. Abbreviations: dm, dorsal membrane; seg, segment; noto, notochaetae; neuro, neurochaetae; tn, thoracic neuropodia; op, sub­rostral ornamented process." figureDoi="http://doi.org/10.5281/zenodo.10414082" httpUri="https://zenodo.org/record/10414082/files/figure.png" pageId="10" pageNumber="135">Fig. 11A,B</figureCitation>
). Dorsal membrane with at least 8 equal triangular projections (
<figureCitation id="133BF5CDFFC2FFDC5905D10D631BF8E6" box="[1297,1397,1826,1850]" captionStart="Figure 10" captionStartId="15.[121,189,1952,1974]" captionTargetBox="[125,1418,151,1938]" captionTargetId="figure-9@15.[125,1418,151,1938]" captionTargetPageId="15" captionText="Figure 10. SEM of Melinna cristata (AM W.21791.001). (A) Dorsal view of anterior end. (B) Dorsal view of anterior end. (C) Dorsal hook. (D) Dorsal hook. (E) Dorsal view of branchiae. (F) Branchial surface. (G) Chaetigers 1–3. Scale bars:A, 1 mm; B, E, 500 μm; C, 50 μm; D, 20 μm; F, G, 100 μm. Abbreviations: bf, basal fusion; dh, dorsal hooks; dm, dorsal membrane; ic, internal canal; cp, rows of cilia on branchiae; nc, notochaetae." figureDoi="http://doi.org/10.5281/zenodo.10414080" httpUri="https://zenodo.org/record/10414080/files/figure.png" pageId="10" pageNumber="135">Figs 10B</figureCitation>
,
<figureCitation id="133BF5CDFFC2FFDC596BD10D63C0F8E6" box="[1407,1454,1826,1850]" captionStart="Figure 11" captionStartId="16.[167,235,1952,1974]" captionTargetBox="[169,1462,151,1939]" captionTargetId="figure-12@16.[169,1462,151,1939]" captionTargetPageId="16" captionText="Figure 11. SEM of Melinna cristata (AM W.21791). (A) Chaetiger 11. (B) Close­up view of chaetae from chaetiger 11. (C) Dorsal view of entire specimen. (D) Lateral view of anterior end. (E) 1st and 2nd neuropodia.(F) Close­up view of 2nd neuropodia. (G) Close­up view of 2nd neuropodia. Scale bars: A, 50 μm; B, F, G, 10 μm; C, D, 1 mm; E, 100 μm. Abbreviations: dm, dorsal membrane; seg, segment; noto, notochaetae; neuro, neurochaetae; tn, thoracic neuropodia; op, sub­rostral ornamented process." figureDoi="http://doi.org/10.5281/zenodo.10414082" httpUri="https://zenodo.org/record/10414082/files/figure.png" pageId="10" pageNumber="135">11C</figureCitation>
). A single pair of slightly curved dorsal hooks with prominent internal canal (
<figureCitation id="133BF5CDFFC2FFDC5FCBD17262E8F8A9" box="[991,1158,1885,1909]" captionStart="Figure 10" captionStartId="15.[121,189,1952,1974]" captionTargetBox="[125,1418,151,1938]" captionTargetId="figure-9@15.[125,1418,151,1938]" captionTargetPageId="15" captionText="Figure 10. SEM of Melinna cristata (AM W.21791.001). (A) Dorsal view of anterior end. (B) Dorsal view of anterior end. (C) Dorsal hook. (D) Dorsal hook. (E) Dorsal view of branchiae. (F) Branchial surface. (G) Chaetigers 1–3. Scale bars:A, 1 mm; B, E, 500 μm; C, 50 μm; D, 20 μm; F, G, 100 μm. Abbreviations: bf, basal fusion; dh, dorsal hooks; dm, dorsal membrane; ic, internal canal; cp, rows of cilia on branchiae; nc, notochaetae." figureDoi="http://doi.org/10.5281/zenodo.10414080" httpUri="https://zenodo.org/record/10414080/files/figure.png" pageId="10" pageNumber="135">Fig. 10B,C,D,E</figureCitation>
). Four pairs of branchiae (
<figureCitation id="133BF5CDFFC2FFDC5984D17265E0F84E" captionStart="Figure 10" captionStartId="15.[121,189,1952,1974]" captionTargetBox="[125,1418,151,1938]" captionTargetId="figure-9@15.[125,1418,151,1938]" captionTargetPageId="15" captionText="Figure 10. SEM of Melinna cristata (AM W.21791.001). (A) Dorsal view of anterior end. (B) Dorsal view of anterior end. (C) Dorsal hook. (D) Dorsal hook. (E) Dorsal view of branchiae. (F) Branchial surface. (G) Chaetigers 1–3. Scale bars:A, 1 mm; B, E, 500 μm; C, 50 μm; D, 20 μm; F, G, 100 μm. Abbreviations: bf, basal fusion; dh, dorsal hooks; dm, dorsal membrane; ic, internal canal; cp, rows of cilia on branchiae; nc, notochaetae." figureDoi="http://doi.org/10.5281/zenodo.10414080" httpUri="https://zenodo.org/record/10414080/files/figure.png" pageId="10" pageNumber="135">Fig. 10A,E</figureCitation>
), annulated with distinct longitudinal bands of cilia (
<figureCitation id="133BF5CDFFC2FFDC5F5BD1B865C2F86C" box="[847,940,1943,1968]" captionStart="Figure 10" captionStartId="15.[121,189,1952,1974]" captionTargetBox="[125,1418,151,1938]" captionTargetId="figure-9@15.[125,1418,151,1938]" captionTargetPageId="15" captionText="Figure 10. SEM of Melinna cristata (AM W.21791.001). (A) Dorsal view of anterior end. (B) Dorsal view of anterior end. (C) Dorsal hook. (D) Dorsal hook. (E) Dorsal view of branchiae. (F) Branchial surface. (G) Chaetigers 1–3. Scale bars:A, 1 mm; B, E, 500 μm; C, 50 μm; D, 20 μm; F, G, 100 μm. Abbreviations: bf, basal fusion; dh, dorsal hooks; dm, dorsal membrane; ic, internal canal; cp, rows of cilia on branchiae; nc, notochaetae." figureDoi="http://doi.org/10.5281/zenodo.10414080" httpUri="https://zenodo.org/record/10414080/files/figure.png" pageId="10" pageNumber="135">Fig. 10F</figureCitation>
) and fused basally for about 10% of their length (
<figureCitation id="133BF5CDFFC2FFDC5F5AD19A65D3F811" box="[846,957,1973,1997]" captionStart="Figure 9" captionStartId="14.[167,235,1922,1944]" captionTargetBox="[167,1467,151,1910]" captionTargetId="figure-12@14.[167,1467,151,1910]" captionTargetPageId="14" captionText="Figure 9. Light microscopy images of Melinna cristata (AM W.21971). (A) Ventral view, entire specimen. (B) Lateral view, anterior end. (C) Dorsal view of branchiae. (D) Lateral view of anterior end. (E) Lateral view of entire specimen. (e) Pygidium. (F) Lateral view of abdomen, arrows indicate rudimental notopodia. Scale bars: A, 2 mm; B, C, e, F, 500 μm; D, 1 mm; E, 3 mm. Abbreviations: tga, thoracic glandular areas (glandular shields); seg, segment; noto, notochaetae; neuro, neurochaetae; lm, low membrane basal fusion; en, elevated neuropodia; gl, glandular lobes." figureDoi="http://doi.org/10.5281/zenodo.10414078" httpUri="https://zenodo.org/record/10414078/files/figure.png" pageId="10" pageNumber="135">Figs 9C,D</figureCitation>
,
<figureCitation id="133BF5CDFFC2FFDC5FD3D19A6263F811" box="[967,1037,1973,1997]" captionStart="Figure 10" captionStartId="15.[121,189,1952,1974]" captionTargetBox="[125,1418,151,1938]" captionTargetId="figure-9@15.[125,1418,151,1938]" captionTargetPageId="15" captionText="Figure 10. SEM of Melinna cristata (AM W.21791.001). (A) Dorsal view of anterior end. (B) Dorsal view of anterior end. (C) Dorsal hook. (D) Dorsal hook. (E) Dorsal view of branchiae. (F) Branchial surface. (G) Chaetigers 1–3. Scale bars:A, 1 mm; B, E, 500 μm; C, 50 μm; D, 20 μm; F, G, 100 μm. Abbreviations: bf, basal fusion; dh, dorsal hooks; dm, dorsal membrane; ic, internal canal; cp, rows of cilia on branchiae; nc, notochaetae." figureDoi="http://doi.org/10.5281/zenodo.10414080" httpUri="https://zenodo.org/record/10414080/files/figure.png" pageId="10" pageNumber="135">10A,E</figureCitation>
,
<figureCitation id="133BF5CDFFC2FFDC5803D19A6229F811" box="[1047,1095,1973,1997]" captionStart="Figure 11" captionStartId="16.[167,235,1952,1974]" captionTargetBox="[169,1462,151,1939]" captionTargetId="figure-12@16.[169,1462,151,1939]" captionTargetPageId="16" captionText="Figure 11. SEM of Melinna cristata (AM W.21791). (A) Chaetiger 11. (B) Close­up view of chaetae from chaetiger 11. (C) Dorsal view of entire specimen. (D) Lateral view of anterior end. (E) 1st and 2nd neuropodia.(F) Close­up view of 2nd neuropodia. (G) Close­up view of 2nd neuropodia. Scale bars: A, 50 μm; B, F, G, 10 μm; C, D, 1 mm; E, 100 μm. Abbreviations: dm, dorsal membrane; seg, segment; noto, notochaetae; neuro, neurochaetae; tn, thoracic neuropodia; op, sub­rostral ornamented process." figureDoi="http://doi.org/10.5281/zenodo.10414082" httpUri="https://zenodo.org/record/10414082/files/figure.png" pageId="10" pageNumber="135">11D</figureCitation>
). Thoracic neuropodia (
<figureCitation id="133BF5CDFFC2FFDC592AD19A63DCF811" box="[1342,1458,1973,1997]" captionStart="Figure 11" captionStartId="16.[167,235,1952,1974]" captionTargetBox="[169,1462,151,1939]" captionTargetId="figure-12@16.[169,1462,151,1939]" captionTargetPageId="16" captionText="Figure 11. SEM of Melinna cristata (AM W.21791). (A) Chaetiger 11. (B) Close­up view of chaetae from chaetiger 11. (C) Dorsal view of entire specimen. (D) Lateral view of anterior end. (E) 1st and 2nd neuropodia.(F) Close­up view of 2nd neuropodia. (G) Close­up view of 2nd neuropodia. Scale bars: A, 50 μm; B, F, G, 10 μm; C, D, 1 mm; E, 100 μm. Abbreviations: dm, dorsal membrane; seg, segment; noto, notochaetae; neuro, neurochaetae; tn, thoracic neuropodia; op, sub­rostral ornamented process." figureDoi="http://doi.org/10.5281/zenodo.10414082" httpUri="https://zenodo.org/record/10414082/files/figure.png" pageId="10" pageNumber="135">Fig. 11D,E</figureCitation>
) raised, glandular tori with over 40 uncini, uncini with a single row of 3–4 teeth and a sub­rostral ornamented process (
<figureCitation id="133BF5CDFFC4FFDA5EFAD1376685F892" captionStart="Figure 11" captionStartId="16.[167,235,1952,1974]" captionTargetBox="[169,1462,151,1939]" captionTargetId="figure-12@16.[169,1462,151,1939]" captionTargetPageId="16" captionText="Figure 11. SEM of Melinna cristata (AM W.21791). (A) Chaetiger 11. (B) Close­up view of chaetae from chaetiger 11. (C) Dorsal view of entire specimen. (D) Lateral view of anterior end. (E) 1st and 2nd neuropodia.(F) Close­up view of 2nd neuropodia. (G) Close­up view of 2nd neuropodia. Scale bars: A, 50 μm; B, F, G, 10 μm; C, D, 1 mm; E, 100 μm. Abbreviations: dm, dorsal membrane; seg, segment; noto, notochaetae; neuro, neurochaetae; tn, thoracic neuropodia; op, sub­rostral ornamented process." figureDoi="http://doi.org/10.5281/zenodo.10414082" httpUri="https://zenodo.org/record/10414082/files/figure.png" pageId="12" pageNumber="137">Fig. 11F,G</figureCitation>
). Rudimental notopodia on the abdomen as small rounded projections (
<figureCitation id="133BF5CDFFC4FFDA5D85D17C6788F8B7" box="[401,486,1875,1899]" captionStart="Figure 9" captionStartId="14.[167,235,1922,1944]" captionTargetBox="[167,1467,151,1910]" captionTargetId="figure-12@14.[167,1467,151,1910]" captionTargetPageId="14" captionText="Figure 9. Light microscopy images of Melinna cristata (AM W.21971). (A) Ventral view, entire specimen. (B) Lateral view, anterior end. (C) Dorsal view of branchiae. (D) Lateral view of anterior end. (E) Lateral view of entire specimen. (e) Pygidium. (F) Lateral view of abdomen, arrows indicate rudimental notopodia. Scale bars: A, 2 mm; B, C, e, F, 500 μm; D, 1 mm; E, 3 mm. Abbreviations: tga, thoracic glandular areas (glandular shields); seg, segment; noto, notochaetae; neuro, neurochaetae; lm, low membrane basal fusion; en, elevated neuropodia; gl, glandular lobes." figureDoi="http://doi.org/10.5281/zenodo.10414078" httpUri="https://zenodo.org/record/10414078/files/figure.png" pageId="12" pageNumber="137">Fig. 9F</figureCitation>
). Abdominal segments with elevated neuropodia decreasing in size posteriorly (
<figureCitation id="133BF5CDFFC4FFDA5EA9D15F6560F854" box="[701,782,1904,1928]" captionStart="Figure 9" captionStartId="14.[167,235,1922,1944]" captionTargetBox="[167,1467,151,1910]" captionTargetId="figure-12@14.[167,1467,151,1910]" captionTargetPageId="14" captionText="Figure 9. Light microscopy images of Melinna cristata (AM W.21971). (A) Ventral view, entire specimen. (B) Lateral view, anterior end. (C) Dorsal view of branchiae. (D) Lateral view of anterior end. (E) Lateral view of entire specimen. (e) Pygidium. (F) Lateral view of abdomen, arrows indicate rudimental notopodia. Scale bars: A, 2 mm; B, C, e, F, 500 μm; D, 1 mm; E, 3 mm. Abbreviations: tga, thoracic glandular areas (glandular shields); seg, segment; noto, notochaetae; neuro, neurochaetae; lm, low membrane basal fusion; en, elevated neuropodia; gl, glandular lobes." figureDoi="http://doi.org/10.5281/zenodo.10414078" httpUri="https://zenodo.org/record/10414078/files/figure.png" pageId="12" pageNumber="137">Fig. 9E</figureCitation>
). Abdominal uncini with rostral tooth surrounded by strongly denticulated head (
<figureCitation id="133BF5CDFFC4FFDA5D6FD1846795F81F" box="[379,507,1963,1987]" captionStart="Figure 12" captionStartId="17.[121,189,1963,1985]" captionTargetBox="[121,1421,151,1948]" captionTargetId="figure-9@17.[121,1421,151,1948]" captionTargetPageId="17" captionText="Figure 12. SEM of Melinna cristata (AM W.21791). (A) Chaetigers 11–14. (B) Lateral view of posterior end. (C) Junction of thorax and abdomen. (D) Far posterior abdominal neurochaetae. (E) Far posterior abdominal neurochaetae. (F) Pygidium. (G) Close­up view of pygidium. Scale bars:A, G, 200 μm; B, 500 μm; C, F, 1 mm; D, 5 μm; E, 10 μm." figureDoi="http://doi.org/10.5281/zenodo.10414084" httpUri="https://zenodo.org/record/10414084/files/figure.png" pageId="12" pageNumber="137">Fig. 12D,E</figureCitation>
). Pygidium with terminal anus, bounded by glandular lobes (
<figureCitation id="133BF5CDFFC4FFDA58BBD0D4637BF8CF" box="[1199,1301,1787,1811]" captionStart="Figure 9" captionStartId="14.[167,235,1922,1944]" captionTargetBox="[167,1467,151,1910]" captionTargetId="figure-12@14.[167,1467,151,1910]" captionTargetPageId="14" captionText="Figure 9. Light microscopy images of Melinna cristata (AM W.21971). (A) Ventral view, entire specimen. (B) Lateral view, anterior end. (C) Dorsal view of branchiae. (D) Lateral view of anterior end. (E) Lateral view of entire specimen. (e) Pygidium. (F) Lateral view of abdomen, arrows indicate rudimental notopodia. Scale bars: A, 2 mm; B, C, e, F, 500 μm; D, 1 mm; E, 3 mm. Abbreviations: tga, thoracic glandular areas (glandular shields); seg, segment; noto, notochaetae; neuro, neurochaetae; lm, low membrane basal fusion; en, elevated neuropodia; gl, glandular lobes." figureDoi="http://doi.org/10.5281/zenodo.10414078" httpUri="https://zenodo.org/record/10414078/files/figure.png" pageId="12" pageNumber="137">Figs 9E,e</figureCitation>
,
<figureCitation id="133BF5CDFFC4FFDA590AD0D4630EF8CF" box="[1310,1376,1787,1811]" captionStart="Figure 12" captionStartId="17.[121,189,1963,1985]" captionTargetBox="[121,1421,151,1948]" captionTargetId="figure-9@17.[121,1421,151,1948]" captionTargetPageId="17" captionText="Figure 12. SEM of Melinna cristata (AM W.21791). (A) Chaetigers 11–14. (B) Lateral view of posterior end. (C) Junction of thorax and abdomen. (D) Far posterior abdominal neurochaetae. (E) Far posterior abdominal neurochaetae. (F) Pygidium. (G) Close­up view of pygidium. Scale bars:A, G, 200 μm; B, 500 μm; C, F, 1 mm; D, 5 μm; E, 10 μm." figureDoi="http://doi.org/10.5281/zenodo.10414084" httpUri="https://zenodo.org/record/10414084/files/figure.png" pageId="12" pageNumber="137">12F,G</figureCitation>
) with no anal cirri. Methyl blue staining shows extensive ventral and lateral thoracic glandular areas (
<figureCitation id="133BF5CDFFC4FFDA5880D1196291F892" box="[1172,1279,1846,1870]" captionStart="Figure 9" captionStartId="14.[167,235,1922,1944]" captionTargetBox="[167,1467,151,1910]" captionTargetId="figure-12@14.[167,1467,151,1910]" captionTargetPageId="14" captionText="Figure 9. Light microscopy images of Melinna cristata (AM W.21971). (A) Ventral view, entire specimen. (B) Lateral view, anterior end. (C) Dorsal view of branchiae. (D) Lateral view of anterior end. (E) Lateral view of entire specimen. (e) Pygidium. (F) Lateral view of abdomen, arrows indicate rudimental notopodia. Scale bars: A, 2 mm; B, C, e, F, 500 μm; D, 1 mm; E, 3 mm. Abbreviations: tga, thoracic glandular areas (glandular shields); seg, segment; noto, notochaetae; neuro, neurochaetae; lm, low membrane basal fusion; en, elevated neuropodia; gl, glandular lobes." figureDoi="http://doi.org/10.5281/zenodo.10414078" httpUri="https://zenodo.org/record/10414078/files/figure.png" pageId="12" pageNumber="137">Fig. 9A,E</figureCitation>
). No tube present.
</paragraph>
<subSubSection id="C31ABAC3FFC2FFDC5DB2D05263D5FC76" pageId="10" pageNumber="135" type="discussion">
<paragraph id="8BBFE948FFC2FFDC5DB2D0526474F94B" blockId="10.[422,538,1661,1687]" box="[422,538,1661,1687]" pageId="10" pageNumber="135">
<emphasis id="B974355AFFC2FFDC5DB2D0526474F94B" bold="true" box="[422,538,1661,1687]" pageId="10" pageNumber="135">Remarks</emphasis>
</paragraph>
<paragraph id="8BBFE948FFC2FFDC5CB2D083675CF923" blockId="10.[166,794,1708,1997]" pageId="10" pageNumber="135">The original description only provided line drawings, here we give additional information based on light and SEM photographs.</paragraph>
<paragraph id="8BBFE948FFC2FFDC5CD1D12B63D5FC76" blockId="10.[166,794,1708,1997]" lastBlockId="10.[839,1467,151,938]" pageId="10" pageNumber="135">
Prostomium with two elongate transverse nuchal slits (
<figureCitation id="133BF5CDFFC2FFDC5CBAD10E6772F8E5" box="[174,284,1825,1849]" captionStart="Figure 6" captionStartId="11.[121,189,1921,1943]" captionTargetBox="[121,1421,151,1910]" captionTargetId="figure-9@11.[121,1421,151,1910]" captionTargetPageId="11" captionText="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." figureDoi="http://doi.org/10.5281/zenodo.10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="10" pageNumber="135">Fig. 6A,B</figureCitation>
). The first segment achaetous, forming a ventral collar with an elevated crenulated anterior margin (
<figureCitation id="133BF5CDFFC2FFDC5EAED1106560F88B" box="[698,782,1855,1879]" captionStart="Figure 6" captionStartId="11.[121,189,1921,1943]" captionTargetBox="[121,1421,151,1910]" captionTargetId="figure-9@11.[121,1421,151,1910]" captionTargetPageId="11" captionText="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." figureDoi="http://doi.org/10.5281/zenodo.10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="10" pageNumber="135">Fig. 6D</figureCitation>
). Segments 2, 3, 4 and 5 with neurochaetae as short acicular spines with neuropodia becoming more lateral, on segment 6 elongated raised tori with neurochaetae as uncini (
<figureCitation id="133BF5CDFFC2FFDC5EABD1B8657BF873" box="[703,789,1943,1967]" captionStart="Figure 6" captionStartId="11.[121,189,1921,1943]" captionTargetBox="[121,1421,151,1910]" captionTargetId="figure-9@11.[121,1421,151,1910]" captionTargetPageId="11" captionText="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." figureDoi="http://doi.org/10.5281/zenodo.10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="10" pageNumber="135">Figs 6D</figureCitation>
,
<figureCitation id="133BF5CDFFC2FFDC5CB2D19B66A7F810" box="[166,201,1972,1996]" captionStart="Figure 7" captionStartId="12.[166,234,1639,1661]" captionTargetBox="[166,1466,151,1628]" captionTargetId="figure-11@12.[166,1466,151,1628]" captionTargetPageId="12" captionText="Figure 7. SEM of Melinna albicincta (NMWZ­1989­125­22). (A) Ventral view of anterior end. (B) Lateral view of chaetiger 6–8. (C) Notochaetae of chaetiger 11. (D) Neuropodia of chaetiger 11. (E) Dorsal view of anterior end. (F) Dorsal view of anterior end with dorsal hooks. Scale bars: A, 1 mm; B, 500 μm; C, 200 μm; D, F, 100 μm; E, 10 μm. Abbreviations: 2t, two tiers of notochaetae; bf, branchial fusion; dh, dorsal hooks; dm, dorsal membrane." figureDoi="http://doi.org/10.5281/zenodo.10414074" httpUri="https://zenodo.org/record/10414074/files/figure.png" pageId="10" pageNumber="135">7B</figureCitation>
). First notopodia on segment 4, very small with short capillary chaetae, and gradually becoming more dorsal and better developed by segment 6 with two tiers of capillary chaetae (as seen in chaetiger 11,
<figureCitation id="133BF5CDFFC2FFDC58BDD6FD6293FF36" box="[1193,1277,210,234]" captionStart="Figure 7" captionStartId="12.[166,234,1639,1661]" captionTargetBox="[166,1466,151,1628]" captionTargetId="figure-11@12.[166,1466,151,1628]" captionTargetPageId="12" captionText="Figure 7. SEM of Melinna albicincta (NMWZ­1989­125­22). (A) Ventral view of anterior end. (B) Lateral view of chaetiger 6–8. (C) Notochaetae of chaetiger 11. (D) Neuropodia of chaetiger 11. (E) Dorsal view of anterior end. (F) Dorsal view of anterior end with dorsal hooks. Scale bars: A, 1 mm; B, 500 μm; C, 200 μm; D, F, 100 μm; E, 10 μm. Abbreviations: 2t, two tiers of notochaetae; bf, branchial fusion; dh, dorsal hooks; dm, dorsal membrane." figureDoi="http://doi.org/10.5281/zenodo.10414074" httpUri="https://zenodo.org/record/10414074/files/figure.png" pageId="10" pageNumber="135">Fig. 7C</figureCitation>
). This numbering of anterior segments differs from that given by Mackie &amp; Pleijel (1995) as they did not recognize an achaetous segment 1 which forms a ventral glandular collar (
<figureCitation id="133BF5CDFFC2FFDC5913D7056330FE9E" box="[1287,1374,298,322]" captionStart="Figure 6" captionStartId="11.[121,189,1921,1943]" captionTargetBox="[121,1421,151,1910]" captionTargetId="figure-9@11.[121,1421,151,1910]" captionTargetPageId="11" captionText="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." figureDoi="http://doi.org/10.5281/zenodo.10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="10" pageNumber="135">Fig. 6D</figureCitation>
). Pair of short dorsal curved hooks (
<figureCitation id="133BF5CDFFC2FFDC5849D76862A9FEBC" box="[1117,1223,327,352]" captionStart="Figure 6" captionStartId="11.[121,189,1921,1943]" captionTargetBox="[121,1421,151,1910]" captionTargetId="figure-9@11.[121,1421,151,1910]" captionTargetPageId="11" captionText="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." figureDoi="http://doi.org/10.5281/zenodo.10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="10" pageNumber="135">Fig. 6E, F</figureCitation>
). Four pairs of elongate branchiae ending in tapered pointed tips (
<figureCitation id="133BF5CDFFC2FFDC58E2D74A6314FEA1" box="[1270,1402,357,381]" captionStart="Figure 6" captionStartId="11.[121,189,1921,1943]" captionTargetBox="[121,1421,151,1910]" captionTargetId="figure-9@11.[121,1421,151,1910]" captionTargetPageId="11" captionText="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." figureDoi="http://doi.org/10.5281/zenodo.10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="10" pageNumber="135">Fig. 6A,D,E</figureCitation>
), with inner and anterior most pair basally fused (35–40%) (Figs 6E, 7E,F); two conspicuous white bands present on inner pairs (
<figureCitation id="133BF5CDFFC2FFDC5F98D7926594FE09" box="[908,1018,445,469]" captionStart="Figure 6" captionStartId="11.[121,189,1921,1943]" captionTargetBox="[121,1421,151,1910]" captionTargetId="figure-9@11.[121,1421,151,1910]" captionTargetPageId="11" captionText="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." figureDoi="http://doi.org/10.5281/zenodo.10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="10" pageNumber="135">Fig. 6A,B</figureCitation>
) but absent on other branchiae. Segment 5 with dorsal membrane (
<figureCitation id="133BF5CDFFC2FFDC584DD7F562C5FE2E" box="[1113,1195,474,498]" captionStart="Figure 7" captionStartId="12.[166,234,1639,1661]" captionTargetBox="[166,1466,151,1628]" captionTargetId="figure-11@12.[166,1466,151,1628]" captionTargetPageId="12" captionText="Figure 7. SEM of Melinna albicincta (NMWZ­1989­125­22). (A) Ventral view of anterior end. (B) Lateral view of chaetiger 6–8. (C) Notochaetae of chaetiger 11. (D) Neuropodia of chaetiger 11. (E) Dorsal view of anterior end. (F) Dorsal view of anterior end with dorsal hooks. Scale bars: A, 1 mm; B, 500 μm; C, 200 μm; D, F, 100 μm; E, 10 μm. Abbreviations: 2t, two tiers of notochaetae; bf, branchial fusion; dh, dorsal hooks; dm, dorsal membrane." figureDoi="http://doi.org/10.5281/zenodo.10414074" httpUri="https://zenodo.org/record/10414074/files/figure.png" pageId="10" pageNumber="135">Fig. 7E</figureCitation>
) bearing large number of small projections. Larger mid­dorsal papilla beneath dorsal membrane (
<figureCitation id="133BF5CDFFC2FFDC5FDED43A624AFDF1" box="[970,1060,533,557]" captionStart="Figure 6" captionStartId="11.[121,189,1921,1943]" captionTargetBox="[121,1421,151,1910]" captionTargetId="figure-9@11.[121,1421,151,1910]" captionTargetPageId="11" captionText="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." figureDoi="http://doi.org/10.5281/zenodo.10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="10" pageNumber="135">Figs 6E</figureCitation>
,
<figureCitation id="133BF5CDFFC2FFDC5827D43A6207FDF1" box="[1075,1129,533,557]" captionStart="Figure 7" captionStartId="12.[166,234,1639,1661]" captionTargetBox="[166,1466,151,1628]" captionTargetId="figure-11@12.[166,1466,151,1628]" captionTargetPageId="12" captionText="Figure 7. SEM of Melinna albicincta (NMWZ­1989­125­22). (A) Ventral view of anterior end. (B) Lateral view of chaetiger 6–8. (C) Notochaetae of chaetiger 11. (D) Neuropodia of chaetiger 11. (E) Dorsal view of anterior end. (F) Dorsal view of anterior end with dorsal hooks. Scale bars: A, 1 mm; B, 500 μm; C, 200 μm; D, F, 100 μm; E, 10 μm. Abbreviations: 2t, two tiers of notochaetae; bf, branchial fusion; dh, dorsal hooks; dm, dorsal membrane." figureDoi="http://doi.org/10.5281/zenodo.10414074" httpUri="https://zenodo.org/record/10414074/files/figure.png" pageId="10" pageNumber="135">7E,F</figureCitation>
), as also shown in
<figureCitation id="133BF5CDFFC2FFDC5952D43A63F4FDF1" box="[1350,1434,533,557]" captionStart="Figure 5" captionStartId="9.[121,189,1946,1968]" captionTargetBox="[127,1416,151,1934]" captionTargetId="figure-10@9.[127,1416,151,1934]" captionTargetPageId="9" captionText="Figure 5. SEM of Melinna hamulus sp. nov. (AM W.53257.001). (A) Neurochaeta of chaetiger 10. (B) Neurochaetae of chaetiger 13. (C) Neurochaetae of chaetiger 13. (D) Notochaetae of chaetiger 13. (E) Anterior abdominal neurochaetae. (F) Close­up view of anterior abdominal neurochaetae. (G) Posterior abdominal neurochaetae. (H) Close­up view of posterior abdominal neurochaetae. Scale bars: A, C, F, H, 10 μm; B, 20 μm; D, 200 μm; E, G, 50 μm. Abbreviations: d, dentition; t, two tiers of notochaetae." figureDoi="http://doi.org/10.5281/zenodo.10414070" httpUri="https://zenodo.org/record/10414070/files/figure.png" pageId="10" pageNumber="135">Fig. 5A</figureCitation>
of
<bibRefCitation id="EF9194B9FFC2FFDC5F53D41D6235FD96" author="Mackie, S. Y. &amp; F. Pleijel" box="[839,1115,562,586]" pageId="10" pageNumber="135" 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 &amp; Pleijel (1995)</bibRefCitation>
. Ventrum with anterior margins of segments elevated and glandular (
<figureCitation id="133BF5CDFFC2FFDC58C8D460635AFDB4" box="[1244,1332,591,616]" captionStart="Figure 7" captionStartId="12.[166,234,1639,1661]" captionTargetBox="[166,1466,151,1628]" captionTargetId="figure-11@12.[166,1466,151,1628]" captionTargetPageId="12" captionText="Figure 7. SEM of Melinna albicincta (NMWZ­1989­125­22). (A) Ventral view of anterior end. (B) Lateral view of chaetiger 6–8. (C) Notochaetae of chaetiger 11. (D) Neuropodia of chaetiger 11. (E) Dorsal view of anterior end. (F) Dorsal view of anterior end with dorsal hooks. Scale bars: A, 1 mm; B, 500 μm; C, 200 μm; D, F, 100 μm; E, 10 μm. Abbreviations: 2t, two tiers of notochaetae; bf, branchial fusion; dh, dorsal hooks; dm, dorsal membrane." figureDoi="http://doi.org/10.5281/zenodo.10414074" httpUri="https://zenodo.org/record/10414074/files/figure.png" pageId="10" pageNumber="135">Fig. 7A</figureCitation>
). Notopodia with elevated lobes and notochaetae arranged in two tiers (
<figureCitation id="133BF5CDFFC2FFDC5F5BD4A565AEFD7E" box="[847,960,650,674]" captionStart="Figure 8" captionStartId="13.[121,189,1926,1948]" captionTargetBox="[132,1407,151,1914]" captionTargetId="figure-9@13.[132,1407,151,1914]" captionTargetPageId="13" captionText="Figure 8. SEM images of Melinna albicincta (NMWZ­1989­125­22). (A) Notochaetae of two tiers + neurochaetae. (B) Neurochaetae of chaetiger 13. (C) Neurochaetae of chaetiger 13. (D) Base of chaetiger 6, no nephridial papillae. (E) Abdominal neuropodia. (F) (NMWZ1989­125­26), light microscopy image of pygidium and far posterior abdominal segments showing elongated neuropodia. Scale bars: A, D, 100 μm; B, C, 10 μm; E, 50 μm; F, 200 μm. Abbreviations: 2t, two tiers of notochaetae; e neuro, elongated neuropodia; ll, large lobes; sl, small lobes." figureDoi="http://doi.org/10.5281/zenodo.10414076" httpUri="https://zenodo.org/record/10414076/files/figure.png" pageId="10" pageNumber="135">Fig. 8A,D</figureCitation>
). Anterior neuropodia forming raised tori with uncini arranged in a curved row (
<figureCitation id="133BF5CDFFC2FFDC58A5D4886368FD1C" box="[1201,1286,679,704]" captionStart="Figure 7" captionStartId="12.[166,234,1639,1661]" captionTargetBox="[166,1466,151,1628]" captionTargetId="figure-11@12.[166,1466,151,1628]" captionTargetPageId="12" captionText="Figure 7. SEM of Melinna albicincta (NMWZ­1989­125­22). (A) Ventral view of anterior end. (B) Lateral view of chaetiger 6–8. (C) Notochaetae of chaetiger 11. (D) Neuropodia of chaetiger 11. (E) Dorsal view of anterior end. (F) Dorsal view of anterior end with dorsal hooks. Scale bars: A, 1 mm; B, 500 μm; C, 200 μm; D, F, 100 μm; E, 10 μm. Abbreviations: 2t, two tiers of notochaetae; bf, branchial fusion; dh, dorsal hooks; dm, dorsal membrane." figureDoi="http://doi.org/10.5281/zenodo.10414074" httpUri="https://zenodo.org/record/10414074/files/figure.png" pageId="10" pageNumber="135">Fig. 7B</figureCitation>
), with four teeth in longitudinal row on chaetiger 11 and 13 (
<figureCitation id="133BF5CDFFC2FFDC5925D4EA63E3FD00" box="[1329,1421,709,733]" captionStart="Figure 7" captionStartId="12.[166,234,1639,1661]" captionTargetBox="[166,1466,151,1628]" captionTargetId="figure-11@12.[166,1466,151,1628]" captionTargetPageId="12" captionText="Figure 7. SEM of Melinna albicincta (NMWZ­1989­125­22). (A) Ventral view of anterior end. (B) Lateral view of chaetiger 6–8. (C) Notochaetae of chaetiger 11. (D) Neuropodia of chaetiger 11. (E) Dorsal view of anterior end. (F) Dorsal view of anterior end with dorsal hooks. Scale bars: A, 1 mm; B, 500 μm; C, 200 μm; D, F, 100 μm; E, 10 μm. Abbreviations: 2t, two tiers of notochaetae; bf, branchial fusion; dh, dorsal hooks; dm, dorsal membrane." figureDoi="http://doi.org/10.5281/zenodo.10414074" httpUri="https://zenodo.org/record/10414074/files/figure.png" pageId="10" pageNumber="135">Figs 7D</figureCitation>
,
<figureCitation id="133BF5CDFFC2FFDC598FD4EA63D5FD01" box="[1435,1467,709,733]" captionStart="Figure 8" captionStartId="13.[121,189,1926,1948]" captionTargetBox="[132,1407,151,1914]" captionTargetId="figure-9@13.[132,1407,151,1914]" captionTargetPageId="13" captionText="Figure 8. SEM images of Melinna albicincta (NMWZ­1989­125­22). (A) Notochaetae of two tiers + neurochaetae. (B) Neurochaetae of chaetiger 13. (C) Neurochaetae of chaetiger 13. (D) Base of chaetiger 6, no nephridial papillae. (E) Abdominal neuropodia. (F) (NMWZ1989­125­26), light microscopy image of pygidium and far posterior abdominal segments showing elongated neuropodia. Scale bars: A, D, 100 μm; B, C, 10 μm; E, 50 μm; F, 200 μm. Abbreviations: 2t, two tiers of notochaetae; e neuro, elongated neuropodia; ll, large lobes; sl, small lobes." figureDoi="http://doi.org/10.5281/zenodo.10414076" httpUri="https://zenodo.org/record/10414076/files/figure.png" pageId="10" pageNumber="135">8B</figureCitation>
respectively). Rudimental notopodia on the abdomen as small rounded projections (
<figureCitation id="133BF5CDFFC2FFDC5834D4D0621FFCCB" box="[1056,1137,767,791]" captionStart="Figure 6" captionStartId="11.[121,189,1921,1943]" captionTargetBox="[121,1421,151,1910]" captionTargetId="figure-9@11.[121,1421,151,1910]" captionTargetPageId="11" captionText="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." figureDoi="http://doi.org/10.5281/zenodo.10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="10" pageNumber="135">Fig. 6C</figureCitation>
). Mid­ and posterior neuropodia becoming increasingly elevated (
<figureCitation id="133BF5CDFFC2FFDC58ADD5326345FCE9" box="[1209,1323,797,821]" captionStart="Figure 8" captionStartId="13.[121,189,1926,1948]" captionTargetBox="[132,1407,151,1914]" captionTargetId="figure-9@13.[132,1407,151,1914]" captionTargetPageId="13" captionText="Figure 8. SEM images of Melinna albicincta (NMWZ­1989­125­22). (A) Notochaetae of two tiers + neurochaetae. (B) Neurochaetae of chaetiger 13. (C) Neurochaetae of chaetiger 13. (D) Base of chaetiger 6, no nephridial papillae. (E) Abdominal neuropodia. (F) (NMWZ1989­125­26), light microscopy image of pygidium and far posterior abdominal segments showing elongated neuropodia. Scale bars: A, D, 100 μm; B, C, 10 μm; E, 50 μm; F, 200 μm. Abbreviations: 2t, two tiers of notochaetae; e neuro, elongated neuropodia; ll, large lobes; sl, small lobes." figureDoi="http://doi.org/10.5281/zenodo.10414076" httpUri="https://zenodo.org/record/10414076/files/figure.png" pageId="10" pageNumber="135">Fig. 8A,F</figureCitation>
). Abdominal uncini with four teeth in a longitudinal row (
<figureCitation id="133BF5CDFFC2FFDC593FD51563C1FC8E" box="[1323,1455,826,850]" captionStart="Figure 8" captionStartId="13.[121,189,1926,1948]" captionTargetBox="[132,1407,151,1914]" captionTargetId="figure-9@13.[132,1407,151,1914]" captionTargetPageId="13" captionText="Figure 8. SEM images of Melinna albicincta (NMWZ­1989­125­22). (A) Notochaetae of two tiers + neurochaetae. (B) Neurochaetae of chaetiger 13. (C) Neurochaetae of chaetiger 13. (D) Base of chaetiger 6, no nephridial papillae. (E) Abdominal neuropodia. (F) (NMWZ1989­125­26), light microscopy image of pygidium and far posterior abdominal segments showing elongated neuropodia. Scale bars: A, D, 100 μm; B, C, 10 μm; E, 50 μm; F, 200 μm. Abbreviations: 2t, two tiers of notochaetae; e neuro, elongated neuropodia; ll, large lobes; sl, small lobes." figureDoi="http://doi.org/10.5281/zenodo.10414076" httpUri="https://zenodo.org/record/10414076/files/figure.png" pageId="10" pageNumber="135">Fig. 8B,C,E</figureCitation>
). Pygidium with terminal anus and surrounded by a pair of large lateral lobes and a number of smaller ones (
<figureCitation id="133BF5CDFFC2FFDC5948D55A63C0FC51" box="[1372,1454,885,909]" captionStart="Figure 8" captionStartId="13.[121,189,1926,1948]" captionTargetBox="[132,1407,151,1914]" captionTargetId="figure-9@13.[132,1407,151,1914]" captionTargetPageId="13" captionText="Figure 8. SEM images of Melinna albicincta (NMWZ­1989­125­22). (A) Notochaetae of two tiers + neurochaetae. (B) Neurochaetae of chaetiger 13. (C) Neurochaetae of chaetiger 13. (D) Base of chaetiger 6, no nephridial papillae. (E) Abdominal neuropodia. (F) (NMWZ1989­125­26), light microscopy image of pygidium and far posterior abdominal segments showing elongated neuropodia. Scale bars: A, D, 100 μm; B, C, 10 μm; E, 50 μm; F, 200 μm. Abbreviations: 2t, two tiers of notochaetae; e neuro, elongated neuropodia; ll, large lobes; sl, small lobes." figureDoi="http://doi.org/10.5281/zenodo.10414076" httpUri="https://zenodo.org/record/10414076/files/figure.png" pageId="10" pageNumber="135">Fig. 8F</figureCitation>
). Living in muddy tube with attached shell fragments (
<figureCitation id="133BF5CDFFC2FFDC5949D5BD63C1FC76" box="[1373,1455,914,938]" captionStart="Figure 6" captionStartId="11.[121,189,1921,1943]" captionTargetBox="[121,1421,151,1910]" captionTargetId="figure-9@11.[121,1421,151,1910]" captionTargetPageId="11" captionText="Figure 6. Light microscopy images of Melinna albicincta (NMWZ1989­125­26). (A) Ventral view of anterior end with methyl blue staining. (B) Dorsal view of prostomium showing transverse nuchal slits. (C) Lateral view of abdomen, arrows showing rudimental notopodia. (D) Lateral view of anterior end stained with methyl blue. (E) Dorsal view of anterior end. (F) Dorsal hooks. (G) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations: seg, segment; neuro, neurochaetae; es, eyespots; bf, branchial fusion; dh, dorsal hooks; cren, crenulated anterior margin." figureDoi="http://doi.org/10.5281/zenodo.10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="10" pageNumber="135">Fig. 6G</figureCitation>
).
</paragraph>
</subSubSection>
<caption id="DF7FB9C0FFC3FFDD5C6DD1AE6569F7DE" ID-DOI="http://doi.org/10.5281/zenodo.10414072" ID-Zenodo-Dep="10414072" httpUri="https://zenodo.org/record/10414072/files/figure.png" pageId="11" pageNumber="136" startId="11.[121,189,1921,1943]" targetBox="[121,1421,151,1910]" targetPageId="11" targetType="figure">
<paragraph id="8BBFE948FFC3FFDD5C6DD1AE6569F7DE" blockId="11.[121,1421,1921,2050]" pageId="11" pageNumber="136">
<emphasis id="B974355AFFC3FFDD5C6DD1AE66BFF84A" bold="true" box="[121,209,1921,1943]" pageId="11" pageNumber="136">Figure 6</emphasis>
. Light microscopy images of
<taxonomicName id="4C0092CBFFC3FFDD5DEFD1AE64DAF84A" authorityName="Mackie &amp; Pleijel" authorityYear="1995" box="[507,692,1921,1942]" class="Polychaeta" family="Melinnidae" genus="Melinna" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="136" phylum="Annelida" rank="species" species="albicincta">
<emphasis id="B974355AFFC3FFDD5DEFD1AE64DAF84A" box="[507,692,1921,1942]" italics="true" pageId="11" pageNumber="136">Melinna albicincta</emphasis>
</taxonomicName>
(NMWZ1989­125­26). (
<emphasis id="B974355AFFC3FFDD5FBED1AD65D7F84B" box="[938,953,1922,1943]" italics="true" pageId="11" pageNumber="136">A</emphasis>
) Ventral view of anterior end with methyl blue staining. (
<emphasis id="B974355AFFC3FFDD5CCFD1B26684F86E" box="[219,234,1949,1970]" italics="true" pageId="11" pageNumber="136">B</emphasis>
) Dorsal view of prostomium showing transverse nuchal slits. (
<emphasis id="B974355AFFC3FFDD5F4BD1B36501F86D" box="[863,879,1948,1969]" italics="true" pageId="11" pageNumber="136">C</emphasis>
) Lateral view of abdomen, arrows showing rudimental notopodia. (
<emphasis id="B974355AFFC3FFDD5CF8D1986693F810" box="[236,253,1975,1996]" italics="true" pageId="11" pageNumber="136">D</emphasis>
) Lateral view of anterior end stained with methyl blue. (
<emphasis id="B974355AFFC3FFDD5F0ED1986547F810" box="[794,809,1975,1996]" italics="true" pageId="11" pageNumber="136">E</emphasis>
) Dorsal view of anterior end. (
<emphasis id="B974355AFFC3FFDD5844D1986231F810" box="[1104,1119,1975,1996]" italics="true" pageId="11" pageNumber="136">F</emphasis>
) Dorsal hooks. (
<emphasis id="B974355AFFC3FFDD58EBD198637EF810" box="[1279,1296,1975,1996]" italics="true" pageId="11" pageNumber="136">G</emphasis>
) Tube. Scale bars: A, D, E, 1 mm; B, 200 μm; C, 500 μm; F, 250 μm; G, 3 mm. Abbreviations:
<emphasis id="B974355AFFC3FFDD5F8ED1FD65D4F83B" box="[922,954,2002,2023]" italics="true" pageId="11" pageNumber="136">seg</emphasis>
, segment;
<emphasis id="B974355AFFC3FFDD5830D1FD6235F83B" box="[1060,1115,2002,2023]" italics="true" pageId="11" pageNumber="136">neuro</emphasis>
, neurochaetae;
<emphasis id="B974355AFFC3FFDD58E0D1FD6366F83B" box="[1268,1288,2002,2023]" italics="true" pageId="11" pageNumber="136">es</emphasis>
, eyespots;
<emphasis id="B974355AFFC3FFDD5961D1FE63E6F83A" box="[1397,1416,2001,2022]" italics="true" pageId="11" pageNumber="136">bf</emphasis>
, branchial fusion;
<emphasis id="B974355AFFC3FFDD5D35D1C36757F7DD" box="[289,313,2028,2049]" italics="true" pageId="11" pageNumber="136">dh</emphasis>
, dorsal hooks;
<emphasis id="B974355AFFC3FFDD5DD8D1C26798F7DE" box="[460,502,2029,2050]" italics="true" pageId="11" pageNumber="136">cren</emphasis>
, crenulated anterior margin.
</paragraph>
</caption>
<caption id="DF7FB9C0FFC4FFDA5CB2D048641EF911" ID-DOI="http://doi.org/10.5281/zenodo.10414074" ID-Zenodo-Dep="10414074" httpUri="https://zenodo.org/record/10414074/files/figure.png" pageId="12" pageNumber="137" startId="12.[166,234,1639,1661]" targetBox="[166,1466,151,1628]" targetPageId="12" targetType="figure">
<paragraph id="8BBFE948FFC4FFDA5CB2D048641EF911" blockId="12.[166,1466,1639,1741]" pageId="12" pageNumber="137">
<emphasis id="B974355AFFC4FFDA5CB2D0486693F9A0" bold="true" box="[166,253,1639,1661]" pageId="12" pageNumber="137">Figure 7</emphasis>
. SEM of
<taxonomicName id="4C0092CBFFC4FFDA5D49D048647DF9A0" authorityName="Mackie &amp; Pleijel" authorityYear="1995" box="[349,531,1639,1660]" class="Polychaeta" family="Melinnidae" genus="Melinna" kingdom="Animalia" order="Terebellida" pageId="12" pageNumber="137" phylum="Annelida" rank="species" species="albicincta">
<emphasis id="B974355AFFC4FFDA5D49D048647DF9A0" box="[349,531,1639,1660]" italics="true" pageId="12" pageNumber="137">Melinna albicincta</emphasis>
</taxonomicName>
(NMWZ­1989­125­22). (
<emphasis id="B974355AFFC4FFDA5F1BD0486570F9A0" box="[783,798,1639,1660]" italics="true" pageId="12" pageNumber="137">A</emphasis>
) Ventral view of anterior end. (
<emphasis id="B974355AFFC4FFDA5846D047620FF9A1" box="[1106,1121,1640,1661]" italics="true" pageId="12" pageNumber="137">B</emphasis>
) Lateral view of chaetiger 6–8. (
<emphasis id="B974355AFFC4FFDA59B6D04863DCF9A0" box="[1442,1458,1639,1660]" italics="true" pageId="12" pageNumber="137">C</emphasis>
) Notochaetae of chaetiger 11. (
<emphasis id="B974355AFFC4FFDA5DD7D0AD67BAF94B" box="[451,468,1666,1687]" italics="true" pageId="12" pageNumber="137">D</emphasis>
) Neuropodia of chaetiger 11. (
<emphasis id="B974355AFFC4FFDA5EECD0AD6569F94B" box="[760,775,1666,1687]" italics="true" pageId="12" pageNumber="137">E</emphasis>
) Dorsal view of anterior end. (
<emphasis id="B974355AFFC4FFDA583FD0AD6254F94B" box="[1067,1082,1666,1687]" italics="true" pageId="12" pageNumber="137">F</emphasis>
) Dorsal view of anterior end with dorsal hooks. Scale bars: A, 1 mm; B, 500 μm; C, 200 μm; D, F, 100 μm; E, 10 μm. Abbreviations:
<emphasis id="B974355AFFC4FFDA5839D0B3622EF96D" box="[1069,1088,1692,1713]" italics="true" pageId="12" pageNumber="137">2t</emphasis>
, two tiers of notochaetae;
<emphasis id="B974355AFFC4FFDA5956D0B3633BF96D" box="[1346,1365,1692,1713]" italics="true" pageId="12" pageNumber="137">bf</emphasis>
, branchial fusion;
<emphasis id="B974355AFFC4FFDA5CFBD0986769F910" box="[239,263,1719,1740]" italics="true" pageId="12" pageNumber="137">dh</emphasis>
, dorsal hooks;
<emphasis id="B974355AFFC4FFDA5D8ED09867D9F910" box="[410,439,1719,1740]" italics="true" pageId="12" pageNumber="137">dm</emphasis>
, dorsal membrane.
</paragraph>
</caption>
<paragraph id="8BBFE948FFC4FFDA5F71D17C65D0F81F" blockId="12.[839,1467,1787,1987]" pageId="12" pageNumber="137">
This numbering of anterior segments differs from that given by
<bibRefCitation id="EF9194B9FFC4FFDA5FBDD15F62C2F854" author="Mackie, S. Y. &amp; F. Pleijel" box="[937,1196,1904,1928]" pageId="12" pageNumber="137" 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 &amp; Pleijel (1995)</bibRefCitation>
as they did not recognize an achaetous segment 1 forming a ventral glandular collar (
<figureCitation id="133BF5CDFFC4FFDA5F5BD18465DFF81F" box="[847,945,1963,1987]" captionStart="Figure 11" captionStartId="16.[167,235,1952,1974]" captionTargetBox="[169,1462,151,1939]" captionTargetId="figure-12@16.[169,1462,151,1939]" captionTargetPageId="16" captionText="Figure 11. SEM of Melinna cristata (AM W.21791). (A) Chaetiger 11. (B) Close­up view of chaetae from chaetiger 11. (C) Dorsal view of entire specimen. (D) Lateral view of anterior end. (E) 1st and 2nd neuropodia.(F) Close­up view of 2nd neuropodia. (G) Close­up view of 2nd neuropodia. Scale bars: A, 50 μm; B, F, G, 10 μm; C, D, 1 mm; E, 100 μm. Abbreviations: dm, dorsal membrane; seg, segment; noto, notochaetae; neuro, neurochaetae; tn, thoracic neuropodia; op, sub­rostral ornamented process." figureDoi="http://doi.org/10.5281/zenodo.10414082" httpUri="https://zenodo.org/record/10414082/files/figure.png" pageId="12" pageNumber="137">Fig. 11D</figureCitation>
).
</paragraph>
</subSubSection>
</subSubSection>
</treatment>
</document>
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