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<document id="16F688763D0D471E9A4437C32DB82595" ID-CLB-Dataset="7448" ID-DOI="10.5852/ejt.2021.744.1301" ID-GBIF-Dataset="5ab55f8b-3da2-43c5-86e6-5ac1ee2d127c" ID-ISSN="2118-9773" ID-Zenodo-Dep="4671462" ID-ZooBank="EDDD49AC-27AE-459F-BC48-95A64BDC1BDD" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1617868579705" checkinUser="plazi" docAuthor="Bhowmik, Moumita, Ghoshal, Priya, Salazar-Vallejo, Sergio I. &amp; Mandal, Sumit" docDate="2021" docId="5638D00B2F12034FFF0B4013FBE14587" docLanguage="en" docName="ejt-744_49-66.pdf" docOrigin="European Journal of Taxonomy 744" docSource="http://dx.doi.org/10.5852/ejt.2021.744.1301" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Sigambra Muller 1858" docType="key" docVersion="6" lastPageNumber="62" masterDocId="AA01A8732F190342FFB64211FF834617" masterDocTitle="Sigambra sundarbanensis sp. nov. (Annelida, Pilargidae) from the Indian sector of Sundarbans Estuarine System, with remarks on parapodial glands" masterLastPageNumber="66" masterPageNumber="49" pageNumber="60" updateTime="1698936157099" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="DE398898E76B0B322467A00CBF704636">Sigambra sundarbanensis sp. nov. (Annelida, Pilargidae) from the Indian sector of Sundarbans Estuarine System, with remarks on parapodial glands</mods:title>
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<mods:namePart id="D991F53B9F7722FFFC60E5C1308FA999">Bhowmik, Moumita</mods:namePart>
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Key to species of
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Sigambra
<bibRefCitation id="BA001CEC2F120349FD914010FD534409" author="Muller F." box="[551,720,513,542]" pageId="11" pageNumber="60" pagination="211 - 220" refId="ref8689" refString="Muller F. 1858. Einiges uber die Annelidenfauna der Insel Santa Catharina an der brasilianischen Kuste. Archiv fur Naturgeschichte, Berlin 24: 211 - 220. Available from https: // biodiversitylibrary. org / page / 7460059 [accessed 15 Mar. 2021]." type="journal article" year="1858">Müller, 1858</bibRefCitation>
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(modified after
<bibRefCitation id="BA001CEC2F120349FEC54027FD284447" author="Salazar-Vallejo S. I. &amp; Rizzo A. E. &amp; Leon-Gonzalez J. A. &amp; Brauko K. M." box="[371,683,566,593]" pageId="11" pageNumber="60" pagination="21 - 50" refId="ref9164" refString="Salazar-Vallejo S. I., Rizzo A. E., Leon-Gonzalez J. A. &amp; Brauko K. M. 2019. Four new Caribbean Sigambra species (Annelida, Pilargidae), and clarifications of three other Sigambra species. ZooKeys 893: 21 - 50. https: // doi. org / 10.3897 / zookeys. 893.39594" type="journal article" year="2019">
Salazar-Vallejo
<emphasis id="ECE5BD0F2F120349FD9B4026FDE24447" box="[557,609,566,592]" italics="true" pageId="11" pageNumber="60">et al</emphasis>
. 2019
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)
</paragraph>
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<paragraph id="DE2E611D2F120349FF0B4068FAF44484" blockId="11.[189,1399,633,2025]" box="[189,1399,633,659]" pageId="11" pageNumber="60">
<key id="AA00362C2F120349FF0B4068FAF44484" box="[189,1399,633,659]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF0B4068FAF44484" box="[189,1399,633,659]" pageId="11" pageNumber="60">1. Dorsal cirri larger than ventral cirri ................................................................................................... 2</keyLead>
</key>
</paragraph>
<paragraph id="DE2E611D2F120349FF77408FFAF544A0" blockId="11.[189,1399,633,2025]" box="[193,1398,669,696]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF77408FFAF544A0" box="[193,1398,669,696]" pageId="11" pageNumber="60"> Dorsal and ventral cirri subequal..................................................................................................... 26</keyLead>
</paragraph>
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<keyStep id="656579B82F120349FF0B40F1FAF54508" pageId="11" pageNumber="60">
<paragraph id="DE2E611D2F120349FF0B40F1FAF444ED" blockId="11.[189,1399,633,2025]" box="[189,1399,736,763]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF0B40F1FAF444ED" box="[189,1399,736,763]" pageId="11" pageNumber="60">2. Chaetiger 2 without ventral cirri........................................................................................................ 3</keyLead>
</paragraph>
<paragraph id="DE2E611D2F120349FF774114FAF54508" blockId="11.[189,1399,633,2025]" box="[193,1398,772,799]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF774114FAF54508" box="[193,1398,772,799]" pageId="11" pageNumber="60"> Chaetiger 2 with ventral cirri........................................................................................................... 22</keyLead>
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<paragraph id="DE2E611D2F120349FF0B4156FAF44576" blockId="11.[189,1399,633,2025]" box="[189,1399,839,866]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF0B4156FAF44576" box="[189,1399,839,866]" pageId="11" pageNumber="60">3. Pharynx with 8 marginal papillae ...................................................................................................... 4</keyLead>
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<keyLead id="6560C2282F120349FF77417DFAF44591" box="[193,1399,875,902]" pageId="11" pageNumber="60"> Pharynx with 1316 marginal papillae .............................................................................................. 7</keyLead>
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<paragraph id="DE2E611D2F120349FF0B41BFFAF445DE" blockId="11.[189,1399,633,2025]" box="[189,1399,942,969]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF0B41BFFAF445DE" box="[189,1399,942,969]" pageId="11" pageNumber="60">4. Dorsal hooks from chaetigers 38 ..................................................................................................... 5</keyLead>
</paragraph>
<paragraph id="DE2E611D2F120349FF7741C2FAF44206" blockId="11.[189,1399,633,2025]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF7741C2FAF44206" pageId="11" pageNumber="60">
Dorsal hooks from chaetigers 1517 (
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long; up to chaetiger 30?); median and posterior notopodia with 1 capillary; median antenna long, reaching chaetiger 7 .........
<taxonomicName id="19911A9E2F120349FBC741E6FAF44206" ID-CoL="6YMS5" authority="Dean, 1999" authorityName="Dean" authorityYear="1999" box="[1137,1399,1015,1042]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="11" pageNumber="60" phylum="Annelida" rank="species" species="vargasi">
<emphasis id="ECE5BD0F2F120349FBC741E6FB6B4206" bold="true" box="[1137,1256,1015,1041]" italics="true" pageId="11" pageNumber="60">S. vargasi</emphasis>
Dean, 1999
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<keyLead id="6560C2282F120349FF0B462BFAF44243" box="[189,1399,1082,1109]" pageId="11" pageNumber="60">5. Median and posterior notopodia with capillaries............................................................................... 6</keyLead>
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<keyLead id="6560C2282F120349FF77464EFAF4428A" pageId="11" pageNumber="60">
Notopodia without capillaries; all neurochaetae with tips entire; median antennae reaching chaetiger 5 (
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long) ....................................................
<taxonomicName id="19911A9E2F120349FCE54692FBCF428A" ID-CoL="6YMRV" authority="Bamber" authorityName="Bamber" authorityYear="2008" box="[851,1100,1155,1181]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="11" pageNumber="60" phylum="Annelida" rank="species" species="papagayu">
<emphasis id="ECE5BD0F2F120349FCE54692FC64428A" bold="true" box="[851,999,1155,1181]" italics="true" pageId="11" pageNumber="60">S. papagayu</emphasis>
Bamber
</taxonomicName>
in
<bibRefCitation id="BA001CEC2F120349FBC74692FAF4428A" author="Muir A. I. &amp; Bamber R. N." box="[1137,1399,1155,1181]" pageId="11" pageNumber="60" pagination="797 - 814" refId="ref8619" refString="Muir A. I. &amp; Bamber R. N. 2008. New polychaete (Annelida) records and a new species from Hong Kong: the families Polynoidae, Sigalionidae, Chrysopetalidae, Pilargiidae, Nereididae, Opheliidae, Ampharetidae and Terebellidae. Journal of Natural History 42 (9 - 12): 797 - 814. https: // doi. org / 10.1080 / 00222930701850455" type="journal article" year="2008">Muir &amp; Bamber, 2008</bibRefCitation>
</keyLead>
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<paragraph id="DE2E611D2F120349FF0B46D4FAF44313" blockId="11.[189,1399,633,2025]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF0B46D4FAF44313" pageId="11" pageNumber="60">
6. Some neurochaetae with bifid tips; median antenna barely longer than laterals, reaching chaetiger 2; median and posterior notopodia with 2 capillaries .........
<taxonomicName id="19911A9E2F120349FC3646FBFAF44313" ID-CoL="6YN3S" authority="Britayev &amp; Saphronova, 1981" authorityName="Britayev &amp; Saphronova" authorityYear="1981" box="[896,1399,1257,1284]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="11" pageNumber="60" phylum="Annelida" rank="species" species="bidentata">
<emphasis id="ECE5BD0F2F120349FC3646FBFB8C4313" bold="true" box="[896,1039,1257,1284]" italics="true" pageId="11" pageNumber="60">S. bidentata</emphasis>
Britayev &amp; Saphronova, 1981
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F120349FF77471EFAF4435A" blockId="11.[189,1399,633,2025]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF77471EFAF4435A" pageId="11" pageNumber="60">
All neurochaetae with entire tip; median antenna markedly longer than laterals, reaching chaetiger 3; median and posterior notopodia with 1 capillary .......
<taxonomicName id="19911A9E2F120349FCC84722FAF4435A" ID-CoL="6YMRW" authority="Licher &amp; Westheide, 1997" authorityName="Licher &amp; Westheide" authorityYear="1997" box="[894,1399,1330,1357]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="11" pageNumber="60" phylum="Annelida" rank="species" species="qingdaoensis">
<emphasis id="ECE5BD0F2F120349FCC84722FBB8435A" bold="true" box="[894,1083,1330,1357]" italics="true" pageId="11" pageNumber="60">S. qingdaoensis</emphasis>
<bibRefCitation id="BA001CEC2F120349FBF44722FAF4435A" author="Licher F. &amp; Westheide W." box="[1090,1399,1331,1357]" pageId="11" pageNumber="60" pagination="1 - 20" refId="ref8388" refString="Licher F. &amp; Westheide W. 1997. Review of the genus Sigambra (Polychaeta: Hesionidae), redescription of S. bassi (Hartman 1947) and descriptions of two new species from Thailand and China. Steenstrupia 23: 1 - 20." type="journal article" year="1997">Licher &amp; Westheide, 1997</bibRefCitation>
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<keyStep id="656579B82F120349FF0B4767FAF44036" pageId="11" pageNumber="60">
<paragraph id="DE2E611D2F120349FF0B4767FAF44387" blockId="11.[189,1399,633,2025]" box="[189,1399,1397,1424]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF0B4767FAF44387" box="[189,1399,1397,1424]" pageId="11" pageNumber="60">7. Dorsal hooks from anterior chaetigers (418)................................................................................... 8</keyLead>
</paragraph>
<paragraph id="DE2E611D2F120349FF0B478BFAF543CF" blockId="11.[189,1399,633,2025]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF0B478BFAF543CF" pageId="11" pageNumber="60"> Dorsal hooks from median chaetigers (3040); median antenna twice as long as lateral ones or longer ............................................................................................................................................. 21</keyLead>
</paragraph>
<paragraph id="DE2E611D2F120349FF7747F2FAF44036" blockId="11.[189,1399,633,2025]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF7747F2FAF44036" pageId="11" pageNumber="60">
Dorsal hooks from posterior chaetigers (4266), or beyond that (
<quantity id="1969CCF82F120349FC5847F2FBC043EA" box="[1006,1091,1507,1533]" metricMagnitude="-2" metricUnit="m" metricValue="1.4" pageId="11" pageNumber="60" unit="mm" value="14.0">14 mm</quantity>
long); median antenna as long as lateral ones, barely reaching chaetiger 1........................................
<taxonomicName id="19911A9E2F120349FBFE4416FAF44036" ID-CoL="6YN3W" authority="Fauchald, 1972" authorityName="Fauchald" authorityYear="1972" box="[1096,1399,1543,1570]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="11" pageNumber="60" phylum="Annelida" rank="species" species="rugosa">
<emphasis id="ECE5BD0F2F120349FBFE4416FB394035" bold="true" box="[1096,1210,1543,1570]" italics="true" pageId="11" pageNumber="60">S. rugosa</emphasis>
<bibRefCitation id="BA001CEC2F120349FB744416FAF44036" author="Fauchald K." box="[1218,1399,1543,1569]" pageId="11" pageNumber="60" pagination="1 - 575" refId="ref7945" refString="Fauchald K. 1972. Benthic polychaetous annelids from deep waters off western Mexico and adjacent areas in the Eastern Pacific Ocean. Allan Hancock Monograph in Marine Biology 7: 1 - 575. Available from https: // repository. si. edu / handle / 10088 / 6207 [accessed 15 Mar. 2021]." type="journal article" year="1972">Fauchald, 1972</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F120349FF0B445BFAF5409F" pageId="11" pageNumber="60">
<paragraph id="DE2E611D2F120349FF0B445BFAF44073" blockId="11.[189,1399,633,2025]" box="[189,1399,1610,1636]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF0B445BFAF44073" box="[189,1399,1610,1636]" pageId="11" pageNumber="60">8. Tentacular segment about twice as wide as long ............................................................................... 9</keyLead>
</paragraph>
<paragraph id="DE2E611D2F120349FF77447EFAF5409F" blockId="11.[189,1399,633,2025]" box="[193,1398,1646,1673]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF77447EFAF5409F" box="[193,1398,1646,1673]" pageId="11" pageNumber="60"> Tentacular segment 4 times as wide as long.....................................................................................11</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F120349FF0B44A0FAF5412F" pageId="11" pageNumber="60">
<paragraph id="DE2E611D2F120349FF0B44A0FAF540E7" blockId="11.[189,1399,633,2025]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF0B44A0FAF540E7" pageId="11" pageNumber="60">
9. Tentacular segment with anterior margin with rounded projected lobes, external to lateral antennae .................................................................................................
<taxonomicName id="19911A9E2F120349FB9244C4FB1A40E7" ID-CoL="84TM9" authorityName="Muller" authorityYear="1858" box="[1060,1177,1749,1776]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="11" pageNumber="60" phylum="Annelida" rank="genus">
<emphasis id="ECE5BD0F2F120349FB9244C4FB1A40E7" bold="true" box="[1060,1177,1749,1776]" italics="true" pageId="11" pageNumber="60">Sigambra</emphasis>
</taxonomicName>
sp. indet.
<superScript id="29E4CC552F120349FABD44C4FA9740F4" attach="left" box="[1291,1300,1749,1763]" fontSize="6" pageId="11" pageNumber="60">*</superScript>
(
<collectingCountry id="A686218D2F120349FA9544C4FAED40E7" box="[1315,1390,1749,1776]" name="Brazil" pageId="11" pageNumber="60">Brazil</collectingCountry>
)
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F120349FF7744EBFAF5412F" blockId="11.[189,1399,633,2025]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF7744EBFAF5412F" pageId="11" pageNumber="60">
Tentacular segment with anterior margin smooth, without projected lateral lobes; dorsal hooks from chaetiger 34 (
<quantity id="1969CCF82F120349FE2F450FFE6F412E" box="[409,492,1822,1849]" metricMagnitude="-2" metricUnit="m" metricValue="1.4" pageId="11" pageNumber="60" unit="mm" value="14.0">14 mm</quantity>
long)............................................................................................................. 10
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F120349FF0B4570FAF441FF" pageId="11" pageNumber="60">
<paragraph id="DE2E611D2F120349FF0B4570FAF441B7" blockId="11.[189,1399,633,2025]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF0B4570FAF441B7" pageId="11" pageNumber="60">
10. Antennae of similar length; dorsal cirri of median segments 5 times as long as wide........................ ......................................................................................................................
<taxonomicName id="19911A9E2F120349FBE44594FAF441B7" ID-CoL="6YN48" authority="Fauchald, 1972" authorityName="Fauchald" authorityYear="1972" box="[1106,1399,1925,1952]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="11" pageNumber="60" phylum="Annelida" rank="species" species="setosa">
<emphasis id="ECE5BD0F2F120349FBE44594FB3941B7" bold="true" box="[1106,1210,1925,1952]" italics="true" pageId="11" pageNumber="60">S. setosa</emphasis>
<bibRefCitation id="BA001CEC2F120349FB744594FAF441B7" author="Fauchald K." box="[1218,1399,1925,1952]" pageId="11" pageNumber="60" pagination="1 - 575" refId="ref7945" refString="Fauchald K. 1972. Benthic polychaetous annelids from deep waters off western Mexico and adjacent areas in the Eastern Pacific Ocean. Allan Hancock Monograph in Marine Biology 7: 1 - 575. Available from https: // repository. si. edu / handle / 10088 / 6207 [accessed 15 Mar. 2021]." type="journal article" year="1972">Fauchald, 1972</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F120349FF7745BBFAF441FF" blockId="11.[189,1399,633,2025]" pageId="11" pageNumber="60">
<keyLead id="6560C2282F120349FF7745BBFAF441FF" pageId="11" pageNumber="60">
Median antenna almost twice as long as lateral ones; dorsal cirri of median segments 3 times as long as wide ................................................................................
<taxonomicName id="19911A9E2F120349FC2245DFFAF441FF" ID-CoL="6YN47" authority="Licher &amp; Westheide 1997" authorityName="Licher &amp; Westheide" authorityYear="1997" box="[916,1399,1998,2025]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="11" pageNumber="60" phylum="Annelida" rank="species" species="phuketensis">
<emphasis id="ECE5BD0F2F120349FC2245DFFBC141FE" bold="true" box="[916,1090,1998,2025]" italics="true" pageId="11" pageNumber="60">S. phuketensis</emphasis>
<bibRefCitation id="BA001CEC2F120349FBFF45DFFAF441FF" author="Licher F. &amp; Westheide W." box="[1097,1399,1998,2024]" pageId="11" pageNumber="60" pagination="1 - 20" refId="ref8388" refString="Licher F. &amp; Westheide W. 1997. Review of the genus Sigambra (Polychaeta: Hesionidae), redescription of S. bassi (Hartman 1947) and descriptions of two new species from Thailand and China. Steenstrupia 23: 1 - 20." type="journal article" year="1997">Licher &amp; Westheide 1997</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B4318FAF5477A" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B4318FAF54750" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B4318FAF54750" pageId="12" pageNumber="61">11. Tentacular segment with rounded projected lobes in anterior margin; median antenna slightly longer than lateral ones, reaching chaetigers 34 ....................................................................................... 12</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF774342FAF5477A" blockId="12.[189,1399,265,2025]" box="[193,1398,339,365]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF774342FAF5477A" box="[193,1398,339,365]" pageId="12" pageNumber="61"> Tentacular segment with anterior margin smooth, without rounded projected lobes...................... 13</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B4386FAF447C0" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B4386FAF547A5" blockId="12.[189,1399,265,2025]" box="[189,1398,407,434]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B4386FAF547A5" box="[189,1398,407,434]" pageId="12" pageNumber="61">
12. Dorsal hooks from chaetigers 45 (
<quantity id="1969CCF82F15034EFD3E4386FD7A47A6" box="[648,761,407,433]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" metricValueMax="12.0" metricValueMin="6.0" pageId="12" pageNumber="61" unit="mm" value="9.0" valueMax="12.0" valueMin="6.0">612 mm</quantity>
long) ...........................................
<taxonomicName id="19911A9E2F15034EFB364386FAF547A5" ID-CoL="6YMS7" authority="(Day, 1963)" baseAuthorityName="Day" baseAuthorityYear="1963" box="[1152,1398,407,434]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="parva">
<emphasis id="ECE5BD0F2F15034EFB364386FB6047A6" bold="true" box="[1152,1251,407,433]" italics="true" pageId="12" pageNumber="61">S. parva</emphasis>
(
<bibRefCitation id="BA001CEC2F15034EFB454386FAED47A5" author="Day J. H." box="[1267,1390,407,434]" pageId="12" pageNumber="61" pagination="381 - 445" refId="ref7713" refString="Day J. H. 1963. The polychaete fauna of South Africa. 8. New species and records from grab samples and dredgings. Bulletin of the British Museum (Natural History), Zoology 10 (7): 381 - 445. https: // doi. org / 10.5962 / bhl. part. 20530" type="journal article" year="1963">Day, 1963</bibRefCitation>
)
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF7743ACFAF447C0" blockId="12.[189,1399,265,2025]" box="[193,1399,444,472]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF7743ACFAF447C0" box="[193,1399,444,472]" pageId="12" pageNumber="61">
Dorsal hooks from chaetiger 8 (
<quantity id="1969CCF82F15034EFDE943ACFD4147C0" box="[607,706,445,471]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="9.0" metricValueMin="2.0" pageId="12" pageNumber="61" unit="mm" value="5.5" valueMax="9.0" valueMin="2.0">29 mm</quantity>
long).........................................
<taxonomicName id="19911A9E2F15034EFB8143ACFA9647C0" ID-CoL="87556" authority="Bhowmik &amp; Ghoshal &amp; Salazar-Vallejo &amp; Mandal, 2021" authorityName="Bhowmik &amp; Ghoshal &amp; Salazar-Vallejo &amp; Mandal" authorityYear="2021" box="[1079,1301,444,471]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="sundarbanensis" status="sp. nov.">
<emphasis id="ECE5BD0F2F15034EFB8143ACFA9647C0" bold="true" box="[1079,1301,444,471]" italics="true" pageId="12" pageNumber="61">S. sundarbanensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="F7D600742F15034EFAAA43ACFAF447C0" box="[1308,1399,445,471]" pageId="12" pageNumber="61" rank="species">sp. nov.</taxonomicNameLabel>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B4010FAF54456" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B4010FAF5440C" blockId="12.[189,1399,265,2025]" box="[189,1398,513,539]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B4010FAF5440C" box="[189,1398,513,539]" pageId="12" pageNumber="61">13. Median and posterior notopodia with capillaries............................................................................. 14</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF774036FAF54456" blockId="12.[189,1399,265,2025]" box="[193,1398,551,577]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF774036FAF54456" box="[193,1398,551,577]" pageId="12" pageNumber="61"> Notopodia without capillaries.......................................................................................................... 20</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B407AFAF444E0" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B407AFAF54491" blockId="12.[189,1399,265,2025]" box="[189,1398,619,646]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B407AFAF54491" box="[189,1398,619,646]" pageId="12" pageNumber="61">14. Median antenna short, reaching up to chaetigers 34...................................................................... 15</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF0B4080FAF544BC" blockId="12.[189,1399,265,2025]" box="[189,1398,657,684]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B4080FAF544BC" box="[189,1398,657,684]" pageId="12" pageNumber="61"> Median antenna medium-sized, reaching chaetigers 57 ................................................................ 16</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF7740A6FAF444E0" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF7740A6FAF444E0" pageId="12" pageNumber="61">
Median antenna long, reaching chaetigers 912; dorsal hooks of chaetigers 1115 (
<quantity id="1969CCF82F15034EFB6740A6FAA444C6" box="[1233,1319,695,721]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" pageId="12" pageNumber="61" unit="mm" value="40.0">40 mm</quantity>
long); lateral antennae without lateral depressions..............................................
<taxonomicName id="19911A9E2F15034EFB8840CCFAF444E0" ID-CoL="6YMS4" authority="sensu Blake, 1994" authorityName="Blake" authorityYear="1994" box="[1086,1399,732,759]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="bassi">
<emphasis id="ECE5BD0F2F15034EFB8840CCFB1A44E0" bold="true" box="[1086,1177,732,759]" italics="true" pageId="12" pageNumber="61">S. bassi</emphasis>
sensu Blake, 1994
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B4130FAF445BA" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B4130FAF44576" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B4130FAF44576" pageId="12" pageNumber="61">
15. Dorsal hooks from chaetiger 4 (
<quantity id="1969CCF82F15034EFDD64130FD30452C" box="[608,691,801,828]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="12" pageNumber="61" unit="mm" value="15.0">15 mm</quantity>
long); median antenna slightly longer than lateral ones; first dorsal cirri slightly longer than dorsal tentacular ones....................
<taxonomicName id="19911A9E2F15034EFC454156FAF44576" ID-CoL="6YMRT" authority="sensu Blake, 1994" authorityName="Blake" authorityYear="1994" box="[1011,1399,838,865]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="tentaculata">
<emphasis id="ECE5BD0F2F15034EFC454156FB1A4576" bold="true" box="[1011,1177,838,865]" italics="true" pageId="12" pageNumber="61">S. tentaculata</emphasis>
sensu Blake, 1994
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF77417CFAF445BA" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF77417CFAF445BA" pageId="12" pageNumber="61">
Dorsal hooks from chaetiger 1218 (
<quantity id="1969CCF82F15034EFD23417CFD644590" box="[661,743,877,903]" metricMagnitude="-2" metricUnit="m" metricValue="1.6" pageId="12" pageNumber="61" unit="mm" value="16.0">16 mm</quantity>
long); median antenna twice as long as lateral ones; first dorsal cirri markedly longer than dorsal tentacular ones....
<taxonomicName id="19911A9E2F15034EFC234183FAF445BA" ID-CoL="6YMRP" authority="Britayev &amp; Saphronova, 1981" authorityName="Britayev &amp; Saphronova" authorityYear="1981" box="[917,1399,914,941]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="elegans">
<emphasis id="ECE5BD0F2F15034EFC234183FB8C45BA" bold="true" box="[917,1039,914,941]" italics="true" pageId="12" pageNumber="61">S. elegans</emphasis>
Britayev &amp; Saphronova, 1981
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B41C6FAF5422A" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B41C6FAF44200" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B41C6FAF44200" pageId="12" pageNumber="61">
16. Median antenna slightly longer than lateral ones, reaching chaetigers 46; dorsal hooks from chaetigers 710 (
<quantity id="1969CCF82F15034EFE0541EDFD8D4200" box="[435,526,1020,1047]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" pageId="12" pageNumber="61" unit="mm" value="5.5">5.5 mm</quantity>
long) ...........................................
<taxonomicName id="19911A9E2F15034EFC2341ECFAF44200" ID-CoL="6YN3V" authority="Hartmann-Schroder, 1979" authorityName="Hartmann-Schroder" authorityYear="1979" box="[917,1399,1020,1047]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="pettiboneae">
<emphasis id="ECE5BD0F2F15034EFC2341ECFBBD4200" bold="true" box="[917,1086,1020,1047]" italics="true" pageId="12" pageNumber="61">S. pettiboneae</emphasis>
Hartmann-Schröder, 1979
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF774632FAF5422A" blockId="12.[189,1399,265,2025]" box="[193,1398,1058,1085]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF774632FAF5422A" box="[193,1398,1058,1085]" pageId="12" pageNumber="61"> Median antenna twice as long as lateral ones.................................................................................. 17</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B4676FAF542B0" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B4676FAF54296" blockId="12.[189,1399,265,2025]" box="[189,1398,1127,1153]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B4676FAF54296" box="[189,1398,1127,1153]" pageId="12" pageNumber="61">17. Median antenna reaching chaetigers 78......................................................................................... 18</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF77469CFAF542B0" blockId="12.[189,1399,265,2025]" box="[193,1398,1164,1191]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF77469CFAF542B0" box="[193,1398,1164,1191]" pageId="12" pageNumber="61"> Median antenna reaching up to chaetigers 56; dorsal hooks from chaetigers 45 ........................ 19</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B46C0FAF54306" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B46C0FAF542FB" blockId="12.[189,1399,265,2025]" box="[189,1398,1232,1260]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B46C0FAF542FB" box="[189,1398,1232,1260]" pageId="12" pageNumber="61">
18. Dorsal hooks from chaetigers 39 (
<quantity id="1969CCF82F15034EFD3E46C0FD7A42FC" box="[648,761,1233,1260]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" metricValueMax="2.0" metricValueMin="0.5" pageId="12" pageNumber="61" unit="mm" value="12.5" valueMax="20.0" valueMin="5.0">520 mm</quantity>
long) .............................
<taxonomicName id="19911A9E2F15034EFBA146C0FAF542FB" ID-CoL="6YMRQ" authority="(Kitamori, 1960)" baseAuthorityName="Kitamori" baseAuthorityYear="1960" box="[1047,1398,1232,1260]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="hanaokai">
<emphasis id="ECE5BD0F2F15034EFBA146C0FB2B42FC" bold="true" box="[1047,1192,1232,1259]" italics="true" pageId="12" pageNumber="61">S. hanaokai</emphasis>
(Kitamori, 1960)
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF7746E6FAF54306" blockId="12.[189,1399,265,2025]" box="[193,1398,1270,1298]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF7746E6FAF54306" box="[193,1398,1270,1298]" pageId="12" pageNumber="61">
Dorsal hooks from chaetigers 1218 (
<quantity id="1969CCF82F15034EFD1346E6FD7A4306" box="[677,761,1271,1297]" metricMagnitude="-2" metricUnit="m" metricValue="2.4" pageId="12" pageNumber="61" unit="mm" value="24.0">24 mm</quantity>
long) ....................................
<taxonomicName id="19911A9E2F15034EFBE646E6FAF54306" ID-CoL="6YMS4" authority="(Hartman, 1947)" baseAuthorityName="Hartman" baseAuthorityYear="1947" box="[1104,1398,1270,1297]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="bassi">
<emphasis id="ECE5BD0F2F15034EFBE646E6FB284306" bold="true" box="[1104,1195,1270,1297]" italics="true" pageId="12" pageNumber="61">S. bassi</emphasis>
(
<bibRefCitation id="BA001CEC2F15034EFB0D46E6FAED4306" author="Hartman O." box="[1211,1390,1271,1297]" pageId="12" pageNumber="61" pagination="483 - 523" refId="ref8238" refString="Hartman O. 1947. Polychaetous Annelids. Part 8. Pilargidae. Allan Hancock Pacific Expeditions 10: 483 - 523." type="journal article" year="1947">Hartman, 1947</bibRefCitation>
)
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B472AFAF443D0" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B472AFAF4436C" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B472AFAF4436C" pageId="12" pageNumber="61">
19. All parapodia with ventral cirri shorter than neuropodial lobes; dorsal cirri basally wider................ .........................................................................................................
<taxonomicName id="19911A9E2F15034EFC404770FAF4436C" ID-CoL="6YMRT" authority="(Treadwell, 1941)" baseAuthorityName="Treadwell" baseAuthorityYear="1941" box="[1014,1399,1376,1403]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="tentaculata">
<emphasis id="ECE5BD0F2F15034EFC404770FB1F436C" bold="true" box="[1014,1180,1376,1403]" italics="true" pageId="12" pageNumber="61">S. tentaculata</emphasis>
(Treadwell, 1941)
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF774796FAF443D0" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF774796FAF443D0" pageId="12" pageNumber="61">
Median and posterior parapodia with ventral cirri long, reaching tip of neuropodial lobes; dorsal cirri tapered, not wider basally ............................................................
<taxonomicName id="19911A9E2F15034EFC6F47BDFAF443D0" ID-CoL="85RZC" authority="Salazar-Vallejo et al., 2019" authorityName="Salazar-Vallejo" authorityYear="2019" box="[985,1399,1452,1479]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="diazi">
<emphasis id="ECE5BD0F2F15034EFC6F47BDFBB243D0" bold="true" box="[985,1073,1452,1479]" italics="true" pageId="12" pageNumber="61">S. diazi</emphasis>
<bibRefCitation id="BA001CEC2F15034EFB8F47BCFAF443D0" author="Salazar-Vallejo S. I. &amp; Rizzo A. E. &amp; Leon-Gonzalez J. A. &amp; Brauko K. M." box="[1081,1399,1453,1479]" pageId="12" pageNumber="61" pagination="21 - 50" refId="ref9164" refString="Salazar-Vallejo S. I., Rizzo A. E., Leon-Gonzalez J. A. &amp; Brauko K. M. 2019. Four new Caribbean Sigambra species (Annelida, Pilargidae), and clarifications of three other Sigambra species. ZooKeys 893: 21 - 50. https: // doi. org / 10.3897 / zookeys. 893.39594" type="journal article" year="2019">
Salazar-Vallejo
<emphasis id="ECE5BD0F2F15034EFB4447BCFAA543D0" box="[1266,1318,1453,1479]" italics="true" pageId="12" pageNumber="61">et al</emphasis>
., 2019
</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B47E0FAF4406A" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B47E0FAF44026" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B47E0FAF44026" pageId="12" pageNumber="61">
20. Median antenna medium-sized, reaching chaetigers 34; posterior region with 46 hookless chaetigers; body papillae large in proportion ...................................................
<taxonomicName id="19911A9E2F15034EFBD94406FAF44026" ID-CoL="6YN3P" authority="Muller, 1858" authorityName="Muller" authorityYear="1858" box="[1135,1399,1558,1585]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="grubii">
<emphasis id="ECE5BD0F2F15034EFBD94406FB544026" bold="true" box="[1135,1239,1558,1585]" italics="true" pageId="12" pageNumber="61">S. grubii</emphasis>
<bibRefCitation id="BA001CEC2F15034EFB684406FAF44026" author="Muller F." box="[1246,1399,1558,1585]" pageId="12" pageNumber="61" pagination="211 - 220" refId="ref8689" refString="Muller F. 1858. Einiges uber die Annelidenfauna der Insel Santa Catharina an der brasilianischen Kuste. Archiv fur Naturgeschichte, Berlin 24: 211 - 220. Available from https: // biodiversitylibrary. org / page / 7460059 [accessed 15 Mar. 2021]." type="journal article" year="1858">Müller, 1858</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF77442CFAF4406A" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF77442CFAF4406A" pageId="12" pageNumber="61">
Median antenna short, reaching chaetigers 23; posterior region with 2 hookless chaetigers; body papillae small....................................................................
<taxonomicName id="19911A9E2F15034EFC3D4473FAF4406A" ID-CoL="85RZD" authority="Salazar-Vallejo et al., 2019" authorityName="Salazar-Vallejo" authorityYear="2019" box="[907,1399,1634,1661]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="hernandezi">
<emphasis id="ECE5BD0F2F15034EFC3D4473FBB2406A" bold="true" box="[907,1073,1634,1661]" italics="true" pageId="12" pageNumber="61">S. hernandezi</emphasis>
<bibRefCitation id="BA001CEC2F15034EFB8F4473FAF4406A" author="Salazar-Vallejo S. I. &amp; Rizzo A. E. &amp; Leon-Gonzalez J. A. &amp; Brauko K. M." box="[1081,1399,1634,1661]" pageId="12" pageNumber="61" pagination="21 - 50" refId="ref9164" refString="Salazar-Vallejo S. I., Rizzo A. E., Leon-Gonzalez J. A. &amp; Brauko K. M. 2019. Four new Caribbean Sigambra species (Annelida, Pilargidae), and clarifications of three other Sigambra species. ZooKeys 893: 21 - 50. https: // doi. org / 10.3897 / zookeys. 893.39594" type="journal article" year="2019">
Salazar-Vallejo
<emphasis id="ECE5BD0F2F15034EFB444472FAA5406B" box="[1266,1318,1634,1660]" italics="true" pageId="12" pageNumber="61">et al</emphasis>
., 2019
</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B44B6FAF44169" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B44B6FAF4411A" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B44B6FAF4411A" pageId="12" pageNumber="61">
21. Median antenna slightly longer than laterals; body without a constriction on chaetiger 4; dorsal hooks from chaetigers 3039 (
<quantity id="1969CCF82F15034EFDF944DDFD4C40F0" box="[591,719,1740,1767]" metricMagnitude="-2" metricUnit="m" metricValue="1.95" metricValueMax="2.4" metricValueMin="1.5" pageId="12" pageNumber="61" unit="mm" value="19.5" valueMax="24.0" valueMin="15.0">1524 mm</quantity>
long); posterior chaetigers without capillary notochaetae ....................................................................................................
<taxonomicName id="19911A9E2F15034EFC7944E3FAF4411A" ID-CoL="85RZG" authority="Salazar-Vallejo et al., 2019" authorityName="Salazar-Vallejo" authorityYear="2019" box="[975,1399,1778,1805]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="olivai">
<emphasis id="ECE5BD0F2F15034EFC7944E3FBB2411A" bold="true" box="[975,1073,1778,1805]" italics="true" pageId="12" pageNumber="61">S. olivai</emphasis>
<bibRefCitation id="BA001CEC2F15034EFB8F44E3FAF4411A" author="Salazar-Vallejo S. I. &amp; Rizzo A. E. &amp; Leon-Gonzalez J. A. &amp; Brauko K. M." box="[1081,1399,1778,1805]" pageId="12" pageNumber="61" pagination="21 - 50" refId="ref9164" refString="Salazar-Vallejo S. I., Rizzo A. E., Leon-Gonzalez J. A. &amp; Brauko K. M. 2019. Four new Caribbean Sigambra species (Annelida, Pilargidae), and clarifications of three other Sigambra species. ZooKeys 893: 21 - 50. https: // doi. org / 10.3897 / zookeys. 893.39594" type="journal article" year="2019">
Salazar-Vallejo
<emphasis id="ECE5BD0F2F15034EFB4444E2FAA5411B" box="[1266,1318,1778,1804]" italics="true" pageId="12" pageNumber="61">et al</emphasis>
., 2019
</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF774508FAF44169" blockId="12.[189,1399,265,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF774508FAF44169" pageId="12" pageNumber="61">
Median antenna twice as long as laterals; body with a constriction on chaetiger 4; dorsal hooks from chaetiger 3040 (
<quantity id="1969CCF82F15034EFE03452FFDB5414E" box="[437,566,1854,1881]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" metricValueMax="2.4" metricValueMin="1.6" pageId="12" pageNumber="61" unit="mm" value="20.0" valueMax="24.0" valueMin="16.0">1624 mm</quantity>
long); posterior chaetigers with a single capillary notochaetae............. .............................................................................................................
<taxonomicName id="19911A9E2F15034EFBA44575FAF44169" ID-CoL="6YN44" authority="(Southern, 1921)" baseAuthorityName="Southern" baseAuthorityYear="1921" box="[1042,1399,1892,1918]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="12" pageNumber="61" phylum="Annelida" rank="species" species="constricta">
<emphasis id="ECE5BD0F2F15034EFBA44575FB2B4169" bold="true" box="[1042,1192,1892,1918]" italics="true" pageId="12" pageNumber="61">S. constricta</emphasis>
(
<bibRefCitation id="BA001CEC2F15034EFB0E4575FAED4169" author="Southern R." box="[1208,1390,1892,1918]" pageId="12" pageNumber="61" pagination="563 - 659" refId="ref9227" refString="Southern R. 1921. Polychaeta of the Chilka Lake and also of fresh and brackish waters in other parts of India. Memoirs of Indian Museum, Calcutta 5: 563 - 659. Available from https: // biodiversitylibrary. org / page / 36511332 [accessed 15 Mar. 2021]." type="journal article" year="1921">Southern, 1921</bibRefCitation>
)
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F15034EFF0B45B8FAF541FE" pageId="12" pageNumber="61">
<paragraph id="DE2E611D2F15034EFF0B45B8FAF541D4" blockId="12.[189,1399,265,2025]" box="[189,1398,1960,1987]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF0B45B8FAF541D4" box="[189,1398,1960,1987]" pageId="12" pageNumber="61">22. Pharynx with 8 marginal papillae .................................................................................................... 23</keyLead>
</paragraph>
<paragraph id="DE2E611D2F15034EFF7745DEFAF541FE" blockId="12.[189,1399,265,2025]" box="[193,1398,1998,2025]" pageId="12" pageNumber="61">
<keyLead id="6560C2282F15034EFF7745DEFAF541FE" box="[193,1398,1998,2025]" pageId="12" pageNumber="61"> Pharynx with 1416 marginal papillae ............................................................................................ 25</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F14034FFF0B4318FAF4477C" pageId="13" pageNumber="62">
<paragraph id="DE2E611D2F14034FFF0B4318FAF54734" blockId="13.[189,1399,265,811]" box="[189,1398,265,291]" pageId="13" pageNumber="62">
<keyLead id="6560C2282F14034FFF0B4318FAF54734" box="[189,1398,265,291]" pageId="13" pageNumber="62">23. Median antenna slightly longer than lateral ones ............................................................................ 24</keyLead>
</paragraph>
<paragraph id="DE2E611D2F14034FFF77433CFAF4477C" blockId="13.[189,1399,265,811]" pageId="13" pageNumber="62">
<keyLead id="6560C2282F14034FFF77433CFAF4477C" pageId="13" pageNumber="62">
Median antenna twice as long as lateral ones; dorsal hooks from chaetigers 2628........................... ................................................................................................
<taxonomicName id="19911A9E2F14034FFC024341FAF4477C" ID-CoL="85RZF" authority="Salazar-Vallejo et al., 2019" authorityName="Salazar-Vallejo" authorityYear="2019" box="[948,1399,336,363]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="13" pageNumber="62" phylum="Annelida" rank="species" species="ligneroi">
<emphasis id="ECE5BD0F2F14034FFC024341FBB1477C" bold="true" box="[948,1074,336,363]" italics="true" pageId="13" pageNumber="62">S. ligneroi</emphasis>
<bibRefCitation id="BA001CEC2F14034FFB8F4341FAF4477C" author="Salazar-Vallejo S. I. &amp; Rizzo A. E. &amp; Leon-Gonzalez J. A. &amp; Brauko K. M." box="[1081,1399,336,363]" pageId="13" pageNumber="62" pagination="21 - 50" refId="ref9164" refString="Salazar-Vallejo S. I., Rizzo A. E., Leon-Gonzalez J. A. &amp; Brauko K. M. 2019. Four new Caribbean Sigambra species (Annelida, Pilargidae), and clarifications of three other Sigambra species. ZooKeys 893: 21 - 50. https: // doi. org / 10.3897 / zookeys. 893.39594" type="journal article" year="2019">
Salazar-Vallejo
<emphasis id="ECE5BD0F2F14034FFB444340FAA5477D" box="[1266,1318,336,362]" italics="true" pageId="13" pageNumber="62">et al</emphasis>
., 2019
</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F14034FFF0B4383FAF44400" pageId="13" pageNumber="62">
<paragraph id="DE2E611D2F14034FFF0B4383FAF447C7" blockId="13.[189,1399,265,811]" pageId="13" pageNumber="62">
<keyLead id="6560C2282F14034FFF0B4383FAF447C7" pageId="13" pageNumber="62">
24. Dorsal hooks from chaetiger 4 (
<quantity id="1969CCF82F14034FFDE94383FD3947BA" box="[607,698,402,429]" metricMagnitude="-4" metricUnit="m" metricValue="7.0" pageId="13" pageNumber="62" unit="mm" value="0.7">0.7 mm</quantity>
wide), tentacular segment as long as wide .......................... ......................................................................................................................
<taxonomicName id="19911A9E2F14034FFBE443A7FAF447C7" ID-CoL="6YMS2" authority="Gagaev, 2008" authorityName="Gagaev" authorityYear="2008" box="[1106,1399,438,465]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="13" pageNumber="62" phylum="Annelida" rank="species" species="healyae">
<emphasis id="ECE5BD0F2F14034FFBE443A7FB4D47C6" bold="true" box="[1106,1230,438,465]" italics="true" pageId="13" pageNumber="62">S. healyae</emphasis>
<bibRefCitation id="BA001CEC2F14034FFB6343A7FAF447C7" author="Gagaev S. Y." box="[1237,1399,438,464]" pageId="13" pageNumber="62" pagination="73 - 75" refId="ref8021" refString="Gagaev S. Y. 2008. Sigambra healyae n. sp., a new species of polychaete (Polychaeta: Pilargidae) from the Canadian Basin of the Arctic Ocean. Russian Journal of Marine Biology 34 (1): 73 - 75. https: // doi. org / 10.1134 / S 1063074008010100" type="journal article" year="2008">Gagaev, 2008</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F14034FFF7743CBFAF44400" blockId="13.[189,1399,265,811]" pageId="13" pageNumber="62">
<keyLead id="6560C2282F14034FFF7743CBFAF44400" pageId="13" pageNumber="62">
Dorsal hooks from chaetigers 2330 (
<quantity id="1969CCF82F14034FFD0443CBFCB647E3" box="[690,821,474,501]" metricMagnitude="-2" metricUnit="m" metricValue="5.75" metricValueMax="7.0" metricValueMin="4.5" pageId="13" pageNumber="62" unit="mm" value="57.5" valueMax="70.0" valueMin="45.0">4570 mm</quantity>
long); tentacular segment 45 times as wide as long ...............................................................................................................
<taxonomicName id="19911A9E2F14034FFBE143ECFAF44400" ID-CoL="6YN3T" authority="Pettibone, 1966" authorityName="Pettibone" authorityYear="1966" box="[1111,1399,509,535]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="13" pageNumber="62" phylum="Annelida" rank="species" species="wassi">
<emphasis id="ECE5BD0F2F14034FFBE143ECFB344400" bold="true" box="[1111,1207,509,535]" italics="true" pageId="13" pageNumber="62">S. wassi</emphasis>
<bibRefCitation id="BA001CEC2F14034FFB0843ECFAF44400" author="Pettibone M. H." box="[1214,1399,509,535]" pageId="13" pageNumber="62" pagination="155 - 207" refId="ref8874" refString="Pettibone M. H. 1966. Revision of the Pilargidae (Annelida: Polychaeta), including descriptions of new species, and redescription of the pelagic Podarmus ploa Chamberlin (Polynoidae). Proceedings of the United States National Museum 118: 155 - 207. https: // doi. org / 10.5479 / si. 00963801.118 - 3525.155" type="journal article" year="1966">Pettibone, 1966</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F14034FFF0B402EFAF544D2" pageId="13" pageNumber="62">
<paragraph id="DE2E611D2F14034FFF0B402EFAF4446A" blockId="13.[189,1399,265,811]" pageId="13" pageNumber="62">
<keyLead id="6560C2282F14034FFF0B402EFAF4446A" pageId="13" pageNumber="62">
25. Dorsal hooks from chaetiger 7, with accessory capillaries; dorsal cirri progressively longer from chaetiger 2...............................................................................................
<taxonomicName id="19911A9E2F14034FFB904072FB184469" ID-CoL="84TM9" authorityName="Muller" authorityYear="1858" box="[1062,1179,611,638]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="13" pageNumber="62" phylum="Annelida" rank="genus">
<emphasis id="ECE5BD0F2F14034FFB904072FB184469" bold="true" box="[1062,1179,611,638]" italics="true" pageId="13" pageNumber="62">Sigambra</emphasis>
</taxonomicName>
sp. Imajima, 2001
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F14034FFF774096FAF544D2" blockId="13.[189,1399,265,811]" pageId="13" pageNumber="62">
<keyLead id="6560C2282F14034FFF774096FAF544D2" pageId="13" pageNumber="62">
Dorsal hooks from chaetigers 4370, without capillary chaetae; dorsal cirri of chaetiger 2 smaller than those in following chaetigers...............................................................
<taxonomicName id="19911A9E2F14034FFBFB40BBFAF544D2" ID-CoL="6YMS8" authority="(Ehlers, 1908)" baseAuthorityName="Ehlers" baseAuthorityYear="1908" box="[1101,1398,682,709]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="13" pageNumber="62" phylum="Annelida" rank="species" species="robusta">
<emphasis id="ECE5BD0F2F14034FFBFB40BBFB4444D2" bold="true" box="[1101,1223,682,709]" italics="true" pageId="13" pageNumber="62">S. robusta</emphasis>
(Ehlers, 1908)
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="656579B82F14034FFF0B40FDFAF5453D" pageId="13" pageNumber="62">
<paragraph id="DE2E611D2F14034FFF0B40FDFAF54510" blockId="13.[189,1399,265,811]" box="[189,1398,748,775]" pageId="13" pageNumber="62">
<keyLead id="6560C2282F14034FFF0B40FDFAF54510" box="[189,1398,748,775]" pageId="13" pageNumber="62">
26. Dorsal hooks from chaetiger 6 (
<quantity id="1969CCF82F14034FFDE940FDFD394510" box="[607,698,748,775]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="13" pageNumber="62" unit="mm" value="1.5">1.5 mm</quantity>
long).......................
<taxonomicName id="19911A9E2F14034FFC1B40FDFAF54510" ID-CoL="6YN42" authority="(Hartmann-Schroder, 1959)" baseAuthorityName="Hartmann-Schroder" baseAuthorityYear="1959" box="[941,1398,748,775]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="13" pageNumber="62" phylum="Annelida" rank="species" species="ocellata">
<emphasis id="ECE5BD0F2F14034FFC1B40FDFBA84510" bold="true" box="[941,1067,748,775]" italics="true" pageId="13" pageNumber="62">S. ocellata</emphasis>
(Hartmann-Schröder, 1959)
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="DE2E611D2F14034FFF774100FAF5453D" blockId="13.[189,1399,265,811]" box="[193,1398,784,811]" pageId="13" pageNumber="62">
<keyLead id="6560C2282F14034FFF774100FAF5453D" box="[193,1398,784,811]" pageId="13" pageNumber="62">
Dorsal hooks from chaetiger 3 (
<quantity id="1969CCF82F14034FFDE94101FD39453C" box="[607,698,784,811]" metricMagnitude="-3" metricUnit="m" metricValue="3.7" pageId="13" pageNumber="62" unit="mm" value="3.7">3.7 mm</quantity>
long)..................
<taxonomicName id="19911A9E2F14034FFC3D4101FAF5453D" ID-CoL="6YN3Q" authority="(Paterson &amp; Glover, 2000)" baseAuthorityName="Paterson &amp; Glover" baseAuthorityYear="2000" box="[907,1398,784,811]" class="Polychaeta" family="Pilargidae" genus="Sigambra" kingdom="Animalia" order="Phyllodocida" pageId="13" pageNumber="62" phylum="Annelida" rank="species" species="magnuncus">
<emphasis id="ECE5BD0F2F14034FFC3D4101FBBB453C" bold="true" box="[907,1080,784,811]" italics="true" pageId="13" pageNumber="62">S. magnuncus</emphasis>
(
<bibRefCitation id="BA001CEC2F14034FFBF14101FAED453D" author="Paterson G. L. J. &amp; Glover A. G." box="[1095,1390,784,810]" pageId="13" pageNumber="62" pagination="167 - 170" refId="ref8803" refString="Paterson G. L. J. &amp; Glover A. G. 2000. A new species of Sigambra (Polychaeta, Pilargidae) from the abyssal plains of the NE Atlantic. Bulletin of the Natural History Museum, London (Zoology) 66: 167 - 170. Available from https: // biodiversitylibrary. org / page / 41005372 [accessed 15 Mar. 2021]." type="journal article" year="2000">Paterson &amp; Glover, 2000</bibRefCitation>
)
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As per
<bibRefCitation id="BA001CEC2F14034FFE974143FDEC457B" author="Salazar-Vallejo S. I. &amp; Rizzo A. E. &amp; Leon-Gonzalez J. A. &amp; Brauko K. M." box="[289,623,850,876]" pageId="13" pageNumber="62" pagination="21 - 50" refId="ref9164" refString="Salazar-Vallejo S. I., Rizzo A. E., Leon-Gonzalez J. A. &amp; Brauko K. M. 2019. Four new Caribbean Sigambra species (Annelida, Pilargidae), and clarifications of three other Sigambra species. ZooKeys 893: 21 - 50. https: // doi. org / 10.3897 / zookeys. 893.39594" type="journal article" year="2019">
Salazar-Vallejo
<emphasis id="ECE5BD0F2F14034FFE6A4142FD94457B" box="[476,535,850,876]" italics="true" pageId="13" pageNumber="62">et al.</emphasis>
(2019)
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, this is not completely identified and based upon some specimens which have not been described yet, but are distinct and deserve to be described.
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