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<mods:title id="099A9B1DCDFF2868F0ABE378A28CEDF5">Syllidae (Annelida: Phyllodocida) from the deep Mediterranean Sea, with the description of three new species</mods:title>
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<treatment id="DA16E652A776FFC4FF3BFA9AFC94FD0D" ID-DOI="http://doi.org/10.5281/zenodo.3510722" ID-GBIF-Taxon="139582288" ID-Zenodo-Dep="3510722" LSID="urn:lsid:plazi:treatment:DA16E652A776FFC4FF3BFA9AFC94FD0D" httpUri="http://treatment.plazi.org/id/DA16E652A776FFC4FF3BFA9AFC94FD0D" lastPageId="10" lastPageNumber="207" pageId="8" pageNumber="205">
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<heading id="0948E028A776FFC6FF3BFA9AFDB3FA92" bold="true" box="[151,607,1337,1363]" fontSize="11" level="1" pageId="8" pageNumber="205" reason="1">
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<taxonomicName id="95BF2CC7A776FFC6FF3BFA9AFE87FA92" ID-CoL="4DLSN" authorityName="Boggemann &amp; Purschke" authorityYear="2005" box="[151,363,1337,1363]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="8" pageNumber="205" phylum="Annelida" rank="species" species="wolfi">
<emphasis id="60CB8B56A776FFC6FF3BFA9AFE87FA92" bold="true" box="[151,363,1337,1363]" italics="true" pageId="8" pageNumber="205">Parexogone wolfi</emphasis>
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(San Martín, 1991)
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<paragraph id="52005744A776FFC6FF3BFAFFFEEBFAB4" blockId="8.[151,607,1337,1397]" box="[151,263,1372,1397]" pageId="8" pageNumber="205">
(
<figureCitation id="CA844BC1A776FFC6FF32FAFFFF12FAB4" box="[158,254,1372,1397]" captionStart="FIGURE5" captionStartId="9.[151,250,1782,1804]" captionTargetBox="[180,1414,435,1741]" captionTargetId="figure@9.[150,1436,409,1761]" captionTargetPageId="9" captionText="FIGURE5. Parexogone wolfiSan Martín,1991 (St. 8, 110 m).a) anteriorend in dorsal view; b) compound chaetae.Scale-bar: a: 0.30 mm; bd:15 µm." httpUri="https://zenodo.org/record/1135688/files/figure.png" pageId="8" pageNumber="205">Figure 5</figureCitation>
)
</paragraph>
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<subSubSection id="1AA504CFA776FFC6FF3BFA06FC9EF96E" pageId="8" pageNumber="205" type="reference_group">
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<taxonomicName id="95BF2CC7A776FFC6FF3BFA06FE54FA7B" ID-CoL="6HMX8" authorityName="San Martín" authorityYear="1991" box="[151,440,1444,1466]" class="Polychaeta" family="Syllidae" genus="Exogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="8" pageNumber="205" phylum="Annelida" rank="species" species="wolfi" subGenus="Parexogone">
<emphasis id="60CB8B56A776FFC6FF3BFA06FE54FA7B" box="[151,440,1444,1466]" italics="true" pageId="8" pageNumber="205">Exogone (Parexogone) wolfi</emphasis>
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San Martín 1991: 726,
<figureCitation id="CA844BC1A776FFC6FD0AFA07FD0FFA7B" box="[678,739,1444,1466]" captionStart="FIGURE 6" captionStartId="11.[151,250,1932,1954]" captionTargetBox="[178,1409,611,1851]" captionTargetId="figure@11.[151,1436,582,1886]" captionTargetPageId="11" captionText="FIGURE 6. Prosphaerosyllis danovaroi n. sp. Holotype (MSNP: P/253/V): a) anterior end in dorsal view; b) close-up of the prostomium, dorsal view; c) compound chaetae; d) dorsal simple chaeta; e) ventral simple chaeta; f) acicula.Paratype (MSNP: P/239/V): g) anterior end in dorsal view. Scale-bar:a, g: 0.10 mm; b: 60 µm; cf: 6 µm." httpUri="https://zenodo.org/record/1135690/files/figure.png" pageId="8" pageNumber="205">Fig. 6</figureCitation>
;
<treatmentCitation id="D31E7155A776FFC6FD41FA07FBE8FA7B" author="San" box="[749,1028,1444,1466]" page="252" pageId="8" pageNumber="205" year="1996">
<bibRefCitation id="362E2AB5A776FFC6FD41FA07FC3EFA7B" author="San" box="[749,978,1444,1466]" pageId="8" pageNumber="205" refString="San Martin, G., Ceberio, A. &amp; Aguirrezabalaga, F. (1996) Exogone species (Polychaeta: Syllidae: Exogoninae) from the Capbreton Canyon (Bay of Biscay, NE Atlantic). Cahiers de Biologie Marine, 37, 249 - 258." type="journal article" year="1996">
San Martín
<emphasis id="60CB8B56A776FFC6FCC8FA06FC7BFA7B" box="[868,919,1444,1466]" italics="true" pageId="8" pageNumber="205">et al.</emphasis>
1996
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: 252
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,
<figureCitation id="CA844BC1A776FFC6FBA2FA07FBA6FA7B" box="[1038,1098,1444,1466]" captionStart="FIGURE 3" captionStartId="6.[151,250,1926,1948]" captionTargetBox="[172,1393,858,1879]" captionTargetId="figure@6.[150,1437,841,1905]" captionTargetPageId="6" captionText="FIGURE 3. Exogone sophiae n. sp. Paratype (MSNP: P/0242/V) a) anterior end indorsal view. Holotype (MSNP:P/3879): b) pygidium in dorsal view; c) spiniger-like chaeta from chaetiger 5; d) compound falciger chaetae from chaetiger 5; e) dorsal simple chaeta.Scale-bar: ab: 0.20 mm; cde: 7 µm." httpUri="https://zenodo.org/record/1135684/files/figure.png" pageId="8" pageNumber="205">Fig. 3</figureCitation>
;
<treatmentCitation id="D31E7155A776FFC6FBF9FA07FADDFA7B" author="San" box="[1109,1329,1444,1466]" page="243" pageId="8" pageNumber="205" year="2003">
<bibRefCitation id="362E2AB5A776FFC6FBF9FA07FAEFFA7B" author="San" box="[1109,1283,1444,1466]" pageId="8" pageNumber="205" refString="San Martin, G. (2003) Anelidos Poliquetos. Familia Syllidae Grube, 1850. Museo Nacional de Ciencias Naturales, CSIC, Madrid, 554 pp." type="book" year="2003">San Martín 2003</bibRefCitation>
: 243
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244, Figs 129130.
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</paragraph>
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<taxonomicName id="95BF2CC7A776FFC6FF3BFA41FD52FA36" ID-CoL="4DLSN" authority="Boggemann &amp; Purschke 2005: 223" authorityName="Boggemann &amp; Purschke" authorityPageNumber="223" authorityYear="2005" box="[151,702,1505,1527]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="8" pageNumber="205" phylum="Annelida" rank="species" species="wolfi">
<emphasis id="60CB8B56A776FFC6FF3BFA41FEA7FA36" box="[151,331,1505,1527]" italics="true" pageId="8" pageNumber="205">Parexogone wolfi</emphasis>
<treatmentCitation id="D31E7155A776FFC6FEFFFA41FD52FA36" author="Boggemann" box="[339,702,1505,1527]" page="223" pageId="8" pageNumber="205" year="2005">
<bibRefCitation id="362E2AB5A776FFC6FEFFFA41FD67FA36" author="Boggemann" box="[339,651,1505,1527]" pageId="8" pageNumber="205" refString="Boggemann, M. &amp; Purschke, G. (2005) Abyssal benthic Syllidae (Annelida: Polychaeta) from the Angola Basin. Organisms Diversity and Evolution, 5 (Supplement 1), 221 - 226. https: // doi. org / 10.1016 / j. ode. 2004.11.006" type="journal article" year="2005">Böggemann &amp; Purschke 2005</bibRefCitation>
: 223
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225,
<figureCitation id="CA844BC1A776FFC6FD52FA42FCD1FA36" box="[766,829,1505,1527]" captionStart="FIGURE 2" captionStartId="4.[151,250,1800,1822]" captionTargetBox="[177,1393,212,1757]" captionTargetId="figure@4.[150,1436,193,1779]" captionTargetPageId="4" captionText="FIGURE 2. Erinaceusyllis barbarae n. sp. Holotype (atoke) (MSNP:P/236/V):a) compound chaetae of chaetiger 5; b) compound chaetae of chaetiger 20; c) dorsal simple chaeta; d) acicula. Scale-bar:a-b:30 µm; ce:20 µm; f: 0.20 mm." httpUri="https://zenodo.org/record/1135682/files/figure.png" pageId="8" pageNumber="205">Fig. 2</figureCitation>
;
<treatmentCitation id="D31E7155A776FFC6FCE6FA41FBD8FA36" author="Boggemann" box="[842,1076,1505,1527]" page="408" pageId="8" pageNumber="205" year="2009">
<bibRefCitation id="362E2AB5A776FFC6FCE6FA41FBEEFA36" author="Boggemann" box="[842,1026,1505,1527]" pageId="8" pageNumber="205" refString="Boggemann, M. (2009) Polychaetes (Annelida) of the abyssal SE Atlantic. Organism Diversity and Evolution, 9, 251 - 428. https: // doi. org / 10.1016 / j. ode. 2009.10.001" type="journal article" year="2009">Böggemann 2009</bibRefCitation>
: 408
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410, Figs 145146;
<treatmentCitation id="D31E7155A776FFC6FABCFA41FEC2F9D7" ID-DOI="http://doi.org/10.5281/zenodo.3504848" ID-Zenodo-Dep="3504848" author="Barroso" httpUri="http://treatment.plazi.org/id/03CD87F52B61FFAD26F1F980FF5E85E2" page="406" pageId="8" pageNumber="205" year="2017">
<bibRefCitation id="362E2AB5A776FFC6FABCFA41FF11F9D7" author="Barroso" pageId="8" pageNumber="205" refString="Barroso, R., De Paiva, P. C., De Matos Nogueira, J. M. &amp; Veronesi Fukuda, M. (2017) Deep sea Syllidae (Annelida, Phyllodocida) from Southwestern Atlantic. Zootaxa, 4221 (4), 401 - 430. https: // doi. org / 10.11646 / zootaxa. 4221.4.1" type="journal article" year="2017">
Barroso
<emphasis id="60CB8B56A776FFC6FAC4FA41FA71FA36" box="[1384,1437,1505,1527]" italics="true" pageId="8" pageNumber="205">et al.</emphasis>
2017
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: 406
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407,
<figureCitation id="CA844BC1A776FFC6FEC0F9A3FE46F9D7" box="[364,426,1536,1558]" captionStart="FIGURE 3" captionStartId="6.[151,250,1926,1948]" captionTargetBox="[172,1393,858,1879]" captionTargetId="figure@6.[150,1437,841,1905]" captionTargetPageId="6" captionText="FIGURE 3. Exogone sophiae n. sp. Paratype (MSNP: P/0242/V) a) anterior end indorsal view. Holotype (MSNP:P/3879): b) pygidium in dorsal view; c) spiniger-like chaeta from chaetiger 5; d) compound falciger chaetae from chaetiger 5; e) dorsal simple chaeta.Scale-bar: ab: 0.20 mm; cde: 7 µm." httpUri="https://zenodo.org/record/1135684/files/figure.png" pageId="8" pageNumber="205">Fig. 3</figureCitation>
.
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</paragraph>
<paragraph id="52005744A776FFC6FF3BF9BDFCB0F9F5" blockId="8.[151,1437,1444,1711]" box="[151,860,1566,1588]" pageId="8" pageNumber="205">
?
<taxonomicName id="95BF2CC7A776FFC6FF0EF9BDFD35F9F5" ID-CoL="4BY2W" authority="Webster &amp; Benedict 1887: 722" authorityName="Webster &amp; Benedict" authorityPageNumber="722" authorityYear="1887" box="[162,729,1566,1588]" class="Polychaeta" family="Syllidae" genus="Paedophylax" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="8" pageNumber="205" phylum="Annelida" rank="species" species="longicirris">
<emphasis id="60CB8B56A776FFC6FF0EF9BDFE7BF9F5" box="[162,407,1566,1588]" italics="true" pageId="8" pageNumber="205">Paedophylax longicirris</emphasis>
Webster &amp; Benedict 1887: 722
</taxonomicName>
, Figs 4650.
</paragraph>
<paragraph id="52005744A776FFC6FF3BF99EFD7CF992" blockId="8.[151,1437,1444,1711]" box="[151,656,1597,1619]" pageId="8" pageNumber="205">
<treatmentCitationGroup id="72AF706AA776FFC6FF3BF99EFD7CF992" box="[151,656,1597,1619]" pageId="8" pageNumber="205">
?
<taxonomicName id="95BF2CC7A776FFC6FF0EF99DFDD5F992" ID-CoL="3DNDR" authority="Perkins 1981: 1092" authorityName="Perkins" authorityPageNumber="1092" authorityYear="1981" box="[162,569,1597,1619]" class="Polychaeta" family="Syllidae" genus="Exogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="8" pageNumber="205" phylum="Annelida" rank="species" species="longicirris">
<emphasis id="60CB8B56A776FFC6FF0EF99DFE80F992" box="[162,364,1597,1619]" italics="true" pageId="8" pageNumber="205">Exogone longicirris</emphasis>
<treatmentCitation id="D31E7155A776FFC6FEDEF99EFDD5F992" author="Perkins" box="[370,569,1597,1619]" page="1092" pageId="8" pageNumber="205" year="1981">
<bibRefCitation id="362E2AB5A776FFC6FEDEF99EFE16F992" author="Perkins" box="[370,506,1597,1619]" pageId="8" pageNumber="205" refString="Perkins, T. H. (1981) Syllidae (Polychaeta) principally from Florida, with descriptions of a new genus and twenty-one new species. Proceedings of the Biological Society of Washington, 93, 1080 - 1172." type="journal article" year="1981">Perkins 1981</bibRefCitation>
: 1092
</treatmentCitation>
</taxonomicName>
, Fig. 11.
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</paragraph>
<paragraph id="52005744A776FFC6FF3BF9FFFD37F9B3" blockId="8.[151,1437,1444,1711]" box="[151,731,1628,1650]" pageId="8" pageNumber="205">
<treatmentCitationGroup id="72AF706AA776FFC6FF3BF9FFFD37F9B3" box="[151,731,1628,1650]" pageId="8" pageNumber="205">
?
<taxonomicName id="95BF2CC7A776FFC6FF0EF9FEFD85F9B3" ID-CoL="4DLSJ" authority="Lucas et al. 2017: 10" authorityName="Lucas et al." authorityPageNumber="10" authorityYear="2017" box="[162,617,1628,1650]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="8" pageNumber="205" phylum="Annelida" rank="species" species="longicirris">
<emphasis id="60CB8B56A776FFC6FF0EF9FEFE61F9B3" box="[162,397,1628,1650]" italics="true" pageId="8" pageNumber="205">Parexogone longicirris</emphasis>
<treatmentCitation id="D31E7155A776FFC6FE3FF9FEFD85F9B3" author="Lucas" box="[403,617,1628,1650]" page="10" pageId="8" pageNumber="205" year="2017">
<bibRefCitation id="362E2AB5A776FFC6FE3FF9FEFDA9F9B3" author="Lucas" box="[403,581,1628,1650]" pageId="8" pageNumber="205" refString="Lucas, Y., Sikorski, A. &amp; San Martin, G. (2017) Syllidae (Annelida) from the Boreal and sub-Arctic seas off Norway (North Sea, Norwegian Sea, Barents Sea). Journal of the Marine Biological Association of the U. K.. [published online] https: // doi. org / 10.1017 / S 002531541600182 X" type="book" year="2017">
Lucas
<emphasis id="60CB8B56A776FFC6FE7AF9FEFDE5F9B3" box="[470,521,1628,1650]" italics="true" pageId="8" pageNumber="205">et al.</emphasis>
2017
</bibRefCitation>
: 10
</treatmentCitation>
</taxonomicName>
11,
<figureCitation id="CA844BC1A776FFC6FD36F9FFFD3BF9B3" box="[666,727,1628,1650]" captionStart="FIGURE 2" captionStartId="4.[151,250,1800,1822]" captionTargetBox="[177,1393,212,1757]" captionTargetId="figure@4.[150,1436,193,1779]" captionTargetPageId="4" captionText="FIGURE 2. Erinaceusyllis barbarae n. sp. Holotype (atoke) (MSNP:P/236/V):a) compound chaetae of chaetiger 5; b) compound chaetae of chaetiger 20; c) dorsal simple chaeta; d) acicula. Scale-bar:a-b:30 µm; ce:20 µm; f: 0.20 mm." httpUri="https://zenodo.org/record/1135682/files/figure.png" pageId="8" pageNumber="205">Fig. 2</figureCitation>
.
</treatmentCitationGroup>
</paragraph>
<paragraph id="52005744A776FFC6FF3BF9D9FD4FF951" blockId="8.[151,1437,1444,1711]" box="[151,675,1658,1680]" pageId="8" pageNumber="205">
<treatmentCitationGroup id="72AF706AA776FFC6FF3BF9D9FD4FF951" box="[151,675,1658,1680]" pageId="8" pageNumber="205">
?
<taxonomicName id="95BF2CC7A776FFC6FF0EF9D8FDFBF951" ID-CoL="6HN93" authority="Eliason 1962: 243" authorityName="Eliason" authorityPageNumber="243" authorityYear="1962" box="[162,535,1658,1680]" class="Polychaeta" family="Syllidae" genus="Exogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="8" pageNumber="205" phylum="Annelida" rank="species" species="furcifera">
<emphasis id="60CB8B56A776FFC6FF0EF9D8FEB5F951" box="[162,345,1658,1680]" italics="true" pageId="8" pageNumber="205">Exogone furcifera</emphasis>
<treatmentCitation id="D31E7155A776FFC6FEF3F9D9FDFBF951" author="Eliason" box="[351,535,1658,1680]" page="243" pageId="8" pageNumber="205" year="1962">
<bibRefCitation id="362E2AB5A776FFC6FEF3F9D9FE0BF951" author="Eliason" box="[351,487,1658,1680]" pageId="8" pageNumber="205" refString="Eliason, A. (1962) Die Polychaeten der Skagerrak-Expedition 1933. Zoologiska bidrag fran Uppsala, 33, 207 - 293." type="journal article" year="1962">Eliason 1962</bibRefCitation>
: 243
</treatmentCitation>
</taxonomicName>
246, Fig. 11.
</treatmentCitationGroup>
</paragraph>
<paragraph id="52005744A776FFC6FF3BF93AFC9EF96E" blockId="8.[151,1437,1444,1711]" box="[151,882,1689,1711]" pageId="8" pageNumber="205">
<treatmentCitationGroup id="72AF706AA776FFC6FF3BF93AFC9EF96E" box="[151,882,1689,1711]" pageId="8" pageNumber="205">
?
<taxonomicName id="95BF2CC7A776FFC6FF0EF939FD11F96E" ID-CoL="853T4" authority="Sarda et al. 2009: 15" authorityName="Sarda et al." authorityPageNumber="15" authorityYear="2009" box="[162,765,1689,1711]" class="Polychaeta" family="Syllidae" genus="Exogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="8" pageNumber="205" phylum="Annelida" rank="species" species="canyonincolae" subGenus="Parexogone">
<emphasis id="60CB8B56A776FFC6FF0EF939FDCAF96E" box="[162,550,1689,1711]" italics="true" pageId="8" pageNumber="205">Exogone (Parexogone) canyonincolae</emphasis>
<treatmentCitation id="D31E7155A776FFC6FD87F93AFD11F96E" author="Sarda" box="[555,765,1689,1711]" httpUri="http://treatment.plazi.org/id/03A7879B0302FFD9FCEE73E2CE138F81" page="15" pageId="8" pageNumber="205" year="2009">
<bibRefCitation id="362E2AB5A776FFC6FD87F93AFD37F96E" author="Sarda" box="[555,731,1689,1711]" pageId="8" pageNumber="205" refString="Sarda, R., Gil, J., Taboada, S. &amp; Gili, J. M. (2009) Polychaete species captured in sediment traps moored in northwestern Mediterranean submarine canyons. Zoological Journal of the Linnean Society, 155, 1 - 21. https: // doi. org / 10.1111 / j. 1096 - 3642.2008.00442. x" type="journal article" year="2009">
Sardá
<emphasis id="60CB8B56A776FFC6FDC7F939FD73F96E" box="[619,671,1689,1711]" italics="true" pageId="8" pageNumber="205">et al.</emphasis>
2009
</bibRefCitation>
: 15
</treatmentCitation>
</taxonomicName>
17,
<figureCitation id="CA844BC1A776FFC6FC9CF93AFC82F96E" box="[816,878,1689,1711]" captionStart="FIGURE7" captionStartId="13.[151,250,1262,1284]" captionTargetBox="[365,1225,219,1188]" captionTargetId="figure@13.[340,1248,193,1241]" captionTargetPageId="13" captionText="FIGURE7. Syllis profunda Cognetti, 1955.Holotype (SZN: SZN-POL31, Grotta Azzurra, 100 m):a) compound chaetae from the anteriorpart of thebody; b) aciculae from the anterior part of the body; c) compound chaetae from the midbody; d) aciculae from the midbody; e) compound chaetaefrom the posterior part of the body; f)acicula from the posterior part of thebody.Nontype individual (St.9, 180 m):g) anterior end in dorsal view.Scale-bar:af: 30µm; g: 0.40 mm" httpUri="https://zenodo.org/record/1135692/files/figure.png" pageId="8" pageNumber="205">Fig. 7</figureCitation>
.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="1AA504CFA776FFC6FF3BF97FFBACF934" box="[151,1088,1756,1781]" pageId="8" pageNumber="205" type="materials_examined">
<paragraph id="52005744A776FFC6FF3BF97FFBACF934" blockId="8.[151,1436,1756,2033]" box="[151,1088,1756,1781]" pageId="8" pageNumber="205">
<emphasis id="60CB8B56A776FFC6FF3BF97FFE6CF934" bold="true" box="[151,384,1756,1781]" pageId="8" pageNumber="205">Material examined.</emphasis>
St. 8: 4 individuals. St. 16: 3 individuals. St. 19: 2 individuals.
</paragraph>
</subSubSection>
<subSubSection id="1AA504CFA776FFC7FF6BF95CFB84FEA5" lastPageId="9" lastPageNumber="206" pageId="8" pageNumber="205" type="description">
<paragraph id="52005744A776FFC7FF6BF95CFB84FEA5" blockId="8.[151,1436,1756,2033]" lastBlockId="9.[151,1437,151,357]" lastPageId="9" lastPageNumber="206" pageId="8" pageNumber="205">
<emphasis id="60CB8B56A776FFC6FF6BF95CFEB5F8D9" bold="true" box="[199,345,1791,1816]" pageId="8" pageNumber="205">Description.</emphasis>
All individuals lacking pygidium; two with regenerating anterior end. Best preserved individual ca.
<quantity id="9547FAA1A776FFC6FF6CF887FEEFF8FD" box="[192,259,1828,1853]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="8" pageNumber="205" unit="mm" value="6.0">6 mm</quantity>
long for 40 chaetigers,
<quantity id="9547FAA1A776FFC6FDBBF887FD91F8FD" box="[535,637,1828,1852]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="8" pageNumber="205" unit="mm" value="0.2">0.20 mm</quantity>
wide. Prostomium wider than long, often hidden under dorsal part of peristomial segment, four rounded, relatively large eyes in trapezoidal arrangement (absent in regenerating individuals). Palps ca. twice as long as prostomium, entirely fused, clearly pointed; antennae well-developed, median one slightly longer than palps, lateral antennae ca. half as long as median one. Dorsal cirri oval, small, present in all chaetigers. Parapodia well-developed, with 814 compound chaetae, blades bidentate. Two spinigerlike chaetae with distinctly long, slightly sinuous blade (4555 µm in the anterior part, 5070 µm in the midbody, 3045 µm in the posterior part of the body), with a strong serration in the distal part, less evident towards basal part (
<figureCitation id="CA844BC1A777FFC7FF33FF1FFF1BFF14" box="[159,247,188,213]" captionStart="FIGURE5" captionStartId="9.[151,250,1782,1804]" captionTargetBox="[180,1414,435,1741]" captionTargetId="figure@9.[150,1436,409,1761]" captionTargetPageId="9" captionText="FIGURE5. Parexogone wolfiSan Martín,1991 (St. 8, 110 m).a) anteriorend in dorsal view; b) compound chaetae.Scale-bar: a: 0.30 mm; bd:15 µm." httpUri="https://zenodo.org/record/1135688/files/figure.png" pageId="9" pageNumber="206">Fig. 5b</figureCitation>
). Several falcigers on each parapodium, with distinctly shorter blades and strong serration, with some longer spines distally, decreasing in size from the dorsal part of parapodium to the ventral one, approximately 15 25 µm in the anterior part of the body, 1020 µm in the midbody, 158 µm in the posterior part of the body (
<figureCitation id="CA844BC1A777FFC7FAC3FEA7FF58FE81" captionStart="FIGURE5" captionStartId="9.[151,250,1782,1804]" captionTargetBox="[180,1414,435,1741]" captionTargetId="figure@9.[150,1436,409,1761]" captionTargetPageId="9" captionText="FIGURE5. Parexogone wolfiSan Martín,1991 (St. 8, 110 m).a) anteriorend in dorsal view; b) compound chaetae.Scale-bar: a: 0.30 mm; bd:15 µm." httpUri="https://zenodo.org/record/1135688/files/figure.png" pageId="9" pageNumber="206">Fig. 5c</figureCitation>
). Pharynx slender, longer than proventriculum, through 4 segments, bearing a strong, triangular tooth on anterior margin; proventricle short, through two segments approximately, with 1517 cell rows.
</paragraph>
</subSubSection>
<caption id="06C007CCA777FFC7FF3BF955FE7EF8EA" httpUri="https://zenodo.org/record/1135688/files/figure.png" pageId="9" pageNumber="206" targetBox="[180,1414,435,1741]" targetPageId="9">
<paragraph id="52005744A777FFC7FF3BF955FE7EF8EA" blockId="9.[151,1437,1782,1835]" pageId="9" pageNumber="206">
<emphasis id="60CB8B56A777FFC7FF3BF955FEFEF8CD" bold="true" box="[151,274,1782,1804]" pageId="9" pageNumber="206">FIGURE 5.</emphasis>
<taxonomicName id="95BF2CC7A777FFC7FEB4F954FE27F8CD" authorityName="Boggemann &amp; Purschke" authorityYear="2005" box="[280,459,1782,1804]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="9" pageNumber="206" phylum="Annelida" rank="species" species="wolfi">
<emphasis id="60CB8B56A777FFC7FEB4F954FE27F8CD" box="[280,459,1782,1804]" italics="true" pageId="9" pageNumber="206">Parexogone wolfi</emphasis>
</taxonomicName>
San Martín, 1991 (St. 8, 110 m). a) anterior end in dorsal view; b) compound chaetae. Scale-bar: a: 0.30 mm; bd: 15 µm.
</paragraph>
</caption>
<subSubSection id="1AA504CFA777FFC7FF6BF8F1FB96F816" pageId="9" pageNumber="206" type="distribution">
<paragraph id="52005744A777FFC7FF6BF8F1FB96F816" blockId="9.[151,1436,1874,2007]" pageId="9" pageNumber="206">
<emphasis id="60CB8B56A777FFC7FF6BF8F1FE8CF8AA" bold="true" box="[199,352,1874,1899]" pageId="9" pageNumber="206">Distribution.</emphasis>
Western Atlantic Ocean (San Martín 1991;
<bibRefCitation id="362E2AB5A777FFC7FCF2F8F0FBACF8AA" author="Barroso" box="[862,1088,1874,1899]" pageId="9" pageNumber="206" refString="Barroso, R., De Paiva, P. C., De Matos Nogueira, J. M. &amp; Veronesi Fukuda, M. (2017) Deep sea Syllidae (Annelida, Phyllodocida) from Southwestern Atlantic. Zootaxa, 4221 (4), 401 - 430. https: // doi. org / 10.11646 / zootaxa. 4221.4.1" type="journal article" year="2017">
Barroso
<emphasis id="60CB8B56A777FFC7FC6CF8F0FC16F8AA" box="[960,1018,1874,1899]" italics="true" pageId="9" pageNumber="206">et al.</emphasis>
2017
</bibRefCitation>
); Eastern Atlantic Ocean (
<bibRefCitation id="362E2AB5A777FFC7FADDF8F0FE82F84E" author="San" pageId="9" pageNumber="206" refString="San Martin, G., Ceberio, A. &amp; Aguirrezabalaga, F. (1996) Exogone species (Polychaeta: Syllidae: Exogoninae) from the Capbreton Canyon (Bay of Biscay, NE Atlantic). Cahiers de Biologie Marine, 37, 249 - 258." type="journal article" year="1996">
San Martín
<emphasis id="60CB8B56A777FFC7FF41F8D4FEC5F84E" box="[237,297,1910,1935]" italics="true" pageId="9" pageNumber="206">et al.</emphasis>
1996
</bibRefCitation>
;
<bibRefCitation id="362E2AB5A777FFC7FED0F8D4FDA7F84E" author="Boggemann" box="[380,587,1911,1935]" pageId="9" pageNumber="206" refString="Boggemann, M. (2009) Polychaetes (Annelida) of the abyssal SE Atlantic. Organism Diversity and Evolution, 9, 251 - 428. https: // doi. org / 10.1016 / j. ode. 2009.10.001" type="journal article" year="2009">Böggemann 2009</bibRefCitation>
); Pacific Ocean (dubious) (
<bibRefCitation id="362E2AB5A777FFC7FC25F8D4FBBEF84E" author="San" box="[905,1106,1910,1935]" pageId="9" pageNumber="206" refString="San Martin, G. (2005) Exogoninae (Polychaeta: Syllidae) from Australia with the description of a new genus and twenty-two new species. Records of the Australian Museum, 57, 39 - 152. https: // doi. org / 10.3853 / j. 0067 - 1975.57.2005.1438" type="journal article" year="2005">San Martín 2005</bibRefCitation>
); Eastern Mediterranean Sea (
<bibRefCitation id="362E2AB5A777FFC7FF32F839FE36F872" author="Simboura" box="[158,474,1946,1971]" pageId="9" pageNumber="206" refString="Simboura, N. &amp; Zenetos, A. (2005) Increasing Polychaete diversity as a consequence of increasing research effort in Greek waters: new records and exotic species. Mediterranean Marine Science, 6, 75 - 88. https: // doi. org / 10.12681 / mms. 194" type="journal article" year="2005">Simboura &amp; Zenetos 2005</bibRefCitation>
); from ca.
<quantity id="9547FAA1A777FFC7FDCDF838FD40F873" box="[609,684,1947,1971]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="9" pageNumber="206" unit="m" value="100.0">100 m</quantity>
depth (
<bibRefCitation id="362E2AB5A777FFC7FCA5F839FBAFF872" author="Simboura" box="[777,1091,1946,1971]" pageId="9" pageNumber="206" refString="Simboura, N. &amp; Zenetos, A. (2005) Increasing Polychaete diversity as a consequence of increasing research effort in Greek waters: new records and exotic species. Mediterranean Marine Science, 6, 75 - 88. https: // doi. org / 10.12681 / mms. 194" type="journal article" year="2005">Simboura &amp; Zenetos 2005</bibRefCitation>
) to more than
<quantity id="9547FAA1A777FFC7FB55F839FABEF873" box="[1273,1362,1946,1971]" metricMagnitude="3" metricUnit="m" metricValue="5.0" pageId="9" pageNumber="206" unit="m" value="5000.0">5000 m</quantity>
depth (
<bibRefCitation id="362E2AB5A777FFC7FF32F81CFE87F816" author="Boggemann" box="[158,363,1983,2007]" pageId="9" pageNumber="206" refString="Boggemann, M. (2009) Polychaetes (Annelida) of the abyssal SE Atlantic. Organism Diversity and Evolution, 9, 251 - 428. https: // doi. org / 10.1016 / j. ode. 2009.10.001" type="journal article" year="2009">Böggemann 2009</bibRefCitation>
). This is the first record of the species for the Western Mediterranean.
</paragraph>
</subSubSection>
<subSubSection id="1AA504CFA774FFC4FF6BFF34FC83FEA4" pageId="10" pageNumber="207" type="discussion">
<paragraph id="52005744A774FFC4FF6BFF34FC83FEA4" blockId="10.[151,1436,151,717]" pageId="10" pageNumber="207">
<emphasis id="60CB8B56A774FFC4FF6BFF34FED7FF71" bold="true" box="[199,315,151,176]" pageId="10" pageNumber="207">Remarks.</emphasis>
<taxonomicName id="95BF2CC7A774FFC4FEE9FF3AFDE2FF71" authorityName="Boggemann &amp; Purschke" authorityYear="2005" box="[325,526,151,176]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="wolfi">
<emphasis id="60CB8B56A774FFC4FEE9FF3AFDE2FF71" box="[325,526,151,176]" italics="true" pageId="10" pageNumber="207">Parexogone wolfi</emphasis>
</taxonomicName>
is one of the most widespread deep-water
<taxonomicName id="95BF2CC7A774FFC4FBA5FF34FB63FF71" authorityName="Langerhans" authorityYear="1879" box="[1033,1167,151,176]" class="Polychaeta" family="Syllidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="subFamily" subFamily="Exogoninae">Exogoninae</taxonomicName>
and shows remarkably wide depth range adaptation (
<bibRefCitation id="362E2AB5A774FFC4FE45FF1FFD43FF15" author="San" box="[489,687,188,212]" pageId="10" pageNumber="207" refString="San Martin, G. (2003) Anelidos Poliquetos. Familia Syllidae Grube, 1850. Museo Nacional de Ciencias Naturales, CSIC, Madrid, 554 pp." type="book" year="2003">San Martín 2003</bibRefCitation>
). The available descriptions, however, highlight slight differences between individuals from different areas, which might represent a clue of cryptic speciation (
<bibRefCitation id="362E2AB5A774FFC4FB1DFF43FA7DFF39" author="Barroso" box="[1201,1425,223,248]" pageId="10" pageNumber="207" refString="Barroso, R., De Paiva, P. C., De Matos Nogueira, J. M. &amp; Veronesi Fukuda, M. (2017) Deep sea Syllidae (Annelida, Phyllodocida) from Southwestern Atlantic. Zootaxa, 4221 (4), 401 - 430. https: // doi. org / 10.11646 / zootaxa. 4221.4.1" type="journal article" year="2017">
Barroso
<emphasis id="60CB8B56A774FFC4FABFFF42FAA0FF39" box="[1299,1356,223,248]" italics="true" pageId="10" pageNumber="207">et al.</emphasis>
2017
</bibRefCitation>
). For instance, shallow water (
<quantity id="9547FAA1A774FFC4FE41FEA7FDF0FEDD" box="[493,540,260,284]" metricMagnitude="0" metricUnit="m" metricValue="8.0" pageId="10" pageNumber="207" unit="m" value="8.0">8 m</quantity>
depth) Pacific individuals are distinctly thinner, with a couple of additional eyespots and shorter spiniger-like chaetae in respect to the original description (
<bibRefCitation id="362E2AB5A774FFC4FB82FE8BFB18FE81" author="San" box="[1070,1268,295,320]" pageId="10" pageNumber="207" refString="San Martin, G. (2005) Exogoninae (Polychaeta: Syllidae) from Australia with the description of a new genus and twenty-two new species. Records of the Australian Museum, 57, 39 - 152. https: // doi. org / 10.3853 / j. 0067 - 1975.57.2005.1438" type="journal article" year="2005">San Martín 2005</bibRefCitation>
), which in our opinion suggests that they may represent an undescribed species.
</paragraph>
</subSubSection>
<subSubSection id="1AA504CFA774FFC4FF6BFED2FC94FD0D" pageId="10" pageNumber="207" type="reference_group">
<paragraph id="52005744A774FFC4FF6BFED2FC94FD0D" blockId="10.[151,1436,151,717]" pageId="10" pageNumber="207">
<taxonomicName id="95BF2CC7A774FFC4FF6BFED2FE61FE49" ID-CoL="4DLSN" authorityName="Boggemann &amp; Purschke" authorityYear="2005" box="[199,397,367,392]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="wolfi">
<emphasis id="60CB8B56A774FFC4FF6BFED2FE61FE49" box="[199,397,367,392]" italics="true" pageId="10" pageNumber="207">Parexogone wolfi</emphasis>
</taxonomicName>
closely resembles
<taxonomicName id="95BF2CC7A774FFC4FDC8FED2FCC8FE49" ID-CoL="853T4" box="[612,804,367,392]" class="Polychaeta" family="Syllidae" genus="Exogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="canyonincolae">
<emphasis id="60CB8B56A774FFC4FDC8FED2FCC8FE49" box="[612,804,367,392]" italics="true" pageId="10" pageNumber="207">P. canyonincolae</emphasis>
</taxonomicName>
, which differs mainly in measuring
<quantity id="9547FAA1A774FFC4FB13FECCFAFAFE46" box="[1215,1302,367,392]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="10" pageNumber="207" unit="mm" value="2.5">2.5 mm</quantity>
long for 50 chaetigers, (ca.
<quantity id="9547FAA1A774FFC4FEE1FE37FE7DFE6D" box="[333,401,404,429]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="10" pageNumber="207" unit="mm" value="6.0">6 mm</quantity>
and 40 chaetigers in
<taxonomicName id="95BF2CC7A774FFC4FD21FE36FD08FE6C" ID-CoL="4DLSN" authorityName="Boggemann &amp; Purschke" authorityYear="2005" box="[653,740,404,429]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="wolfi">
<emphasis id="60CB8B56A774FFC4FD21FE36FD08FE6C" box="[653,740,404,429]" italics="true" pageId="10" pageNumber="207">P. wolfi</emphasis>
</taxonomicName>
). Therefore, the possibility that
<taxonomicName id="95BF2CC7A774FFC4FBF0FE36FAF2FE6C" ID-CoL="853T4" box="[1116,1310,404,429]" class="Polychaeta" family="Syllidae" genus="Exogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="canyonincolae">
<emphasis id="60CB8B56A774FFC4FBF0FE36FAF2FE6C" box="[1116,1310,404,429]" italics="true" pageId="10" pageNumber="207">P. canyonincolae</emphasis>
</taxonomicName>
might just represent a juvenile stage of
<taxonomicName id="95BF2CC7A774FFC4FE42FE1AFDAAFE11" ID-CoL="4DLSN" authorityName="Boggemann &amp; Purschke" authorityYear="2005" box="[494,582,439,464]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="wolfi">
<emphasis id="60CB8B56A774FFC4FE42FE1AFDAAFE11" box="[494,582,439,464]" italics="true" pageId="10" pageNumber="207">P. wolfi</emphasis>
</taxonomicName>
cannot be ruled out. On the other hand,
<taxonomicName id="95BF2CC7A774FFC4FB9DFE1AFEACFE35" ID-CoL="3DNDR" authority="Webster &amp; Benedict, 1887" authorityName="Webster &amp; Benedict" authorityYear="1887" class="Polychaeta" family="Syllidae" genus="Exogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="longicirris">
<emphasis id="60CB8B56A774FFC4FB9DFE1AFAF8FE11" box="[1073,1300,439,464]" italics="true" pageId="10" pageNumber="207">Exogone longicirris</emphasis>
Webster &amp; Benedict, 1887
</taxonomicName>
has been recently assigned to
<taxonomicName id="95BF2CC7A774FFC4FD38FE7EFCF6FE35" ID-CoL="84SBW" authorityName="Mesnil &amp; Caullery" authorityYear="1918" box="[660,794,477,500]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="genus">
<emphasis id="60CB8B56A774FFC4FD38FE7EFCF6FE35" box="[660,794,477,500]" italics="true" pageId="10" pageNumber="207">Parexogone</emphasis>
</taxonomicName>
, and closely resembles
<taxonomicName id="95BF2CC7A774FFC4FB88FE7EFB94FE34" ID-CoL="4DLSN" authorityName="Boggemann &amp; Purschke" authorityYear="2005" box="[1060,1144,476,501]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="wolfi">
<emphasis id="60CB8B56A774FFC4FB88FE7EFB94FE34" box="[1060,1144,476,501]" italics="true" pageId="10" pageNumber="207">P. wolfi</emphasis>
</taxonomicName>
. The main differences are only a slightly lower number of proventricular cell rows (1114
<emphasis id="60CB8B56A774FFC4FCCBFDA2FC92FDD9" box="[871,894,513,536]" italics="true" pageId="10" pageNumber="207">vs</emphasis>
1521) and a less pronounced spinulation along the blade edge (
<bibRefCitation id="362E2AB5A774FFC4FEF2FD87FE12FDFC" author="Eliason" box="[350,510,548,573]" pageId="10" pageNumber="207" refString="Eliason, A. (1962) Die Polychaeten der Skagerrak-Expedition 1933. Zoologiska bidrag fran Uppsala, 33, 207 - 293." type="journal article" year="1962">Eliason 1962</bibRefCitation>
;
<bibRefCitation id="362E2AB5A774FFC4FDBDFD86FD01FDFD" author="Lucas" box="[529,749,548,573]" pageId="10" pageNumber="207" refString="Lucas, Y., Sikorski, A. &amp; San Martin, G. (2017) Syllidae (Annelida) from the Boreal and sub-Arctic seas off Norway (North Sea, Norwegian Sea, Barents Sea). Journal of the Marine Biological Association of the U. K.. [published online] https: // doi. org / 10.1017 / S 002531541600182 X" type="book" year="2017">
Lucas
<emphasis id="60CB8B56A774FFC4FDCEFD86FD4EFDFC" box="[610,674,548,573]" italics="true" pageId="10" pageNumber="207">et al.</emphasis>
2017
</bibRefCitation>
). The spinulation of compound chaetae, however, shows geographical variability, as the Brazilian specimens examined by
<bibRefCitation id="362E2AB5A774FFC4FC35FDEBFB7CFDA1" box="[921,1168,583,608]" pageId="10" pageNumber="207" refString="Barroso, R., De Paiva, P. C., De Matos Nogueira, J. M. &amp; Veronesi Fukuda, M. (2017) Deep sea Syllidae (Annelida, Phyllodocida) from Southwestern Atlantic. Zootaxa, 4221 (4), 401 - 430. https: // doi. org / 10.11646 / zootaxa. 4221.4.1" type="journal article">
Barroso
<emphasis id="60CB8B56A774FFC4FC51FDEAFBD6FDA1" box="[1021,1082,583,608]" italics="true" pageId="10" pageNumber="207">et al.</emphasis>
(2017)
</bibRefCitation>
show less pronounced spines than those reported in the original description (San Martín 1991), thus appearing closer to
<taxonomicName id="95BF2CC7A774FFC4FAACFDCEFA79FD44" ID-CoL="3DNDR" authorityName="Webster &amp; Benedict" authorityYear="1887" box="[1280,1429,620,645]" class="Polychaeta" family="Syllidae" genus="Exogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="longicirris">
<emphasis id="60CB8B56A774FFC4FAACFDCEFA79FD44" box="[1280,1429,620,645]" italics="true" pageId="10" pageNumber="207">P. longicirris</emphasis>
</taxonomicName>
. Taking into account the current knowledge (including the similar depth range and geographical distribution), a synonymy between
<taxonomicName id="95BF2CC7A774FFC4FEDBFD16FE26FD0C" ID-CoL="4DLSN" authorityName="Boggemann &amp; Purschke" authorityYear="2005" box="[375,458,692,717]" class="Polychaeta" family="Syllidae" genus="Parexogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="wolfi">
<emphasis id="60CB8B56A774FFC4FEDBFD16FE26FD0C" box="[375,458,692,717]" italics="true" pageId="10" pageNumber="207">P. wolfi</emphasis>
</taxonomicName>
and
<taxonomicName id="95BF2CC7A774FFC4FDADFD16FD7EFD0C" ID-CoL="3DNDR" authorityName="Webster &amp; Benedict" authorityYear="1887" box="[513,658,692,717]" class="Polychaeta" family="Syllidae" genus="Exogone" higherTaxonomySource="GBIF" kingdom="Animalia" order="Phyllodocida" pageId="10" pageNumber="207" phylum="Annelida" rank="species" species="longicirris">
<emphasis id="60CB8B56A774FFC4FDADFD16FD7EFD0C" box="[513,658,692,717]" italics="true" pageId="10" pageNumber="207">P. longicirris</emphasis>
</taxonomicName>
cannot be ruled out.
</paragraph>
</subSubSection>
</treatment>
</document>