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<document id="2B802559C51E426B9497C274515B83E0" ID-CLB-Dataset="5268" ID-DOI="10.11646/zootaxa.3877.1.1" ID-GBIF-Dataset="344cf70d-6a17-464b-9a35-40324bcef9d4" ID-ISSN="1175-5326" ID-Zenodo-Dep="4948375" ID-ZooBank="2695A2A6-2805-4FC6-B6B6-A8C68354B944" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1623701033711" checkinUser="felipe" docAuthor="Glasby, Christopher J. &amp; Hutchings, Pat" docDate="2014" docId="03CD87A2FF81FFCDFF66A3CAC46CA528" docLanguage="en" docName="zt03877p117.pdf" docOrigin="Zootaxa 3877 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Polycirrus antarcticus " docType="treatment" docVersion="9" lastPageNumber="19" masterDocId="FFF4FFDAFF93FFDFFFF1A35DC604A315" masterDocTitle="Revision of the taxonomy of Polycirrus Grube, 1850 (Annelida: Terebellida: Polycirridae)" masterLastPageNumber="117" masterPageNumber="1" pageNumber="19" updateTime="1699015485213" updateUser="ExternalLinkService">
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<mods:title id="2FAF72E05D345CA0BD70381F142DEF8B">Revision of the taxonomy of Polycirrus Grube, 1850 (Annelida: Terebellida: Polycirridae)</mods:title>
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<mods:namePart id="BE0A11287C145940F0265E562F16DDED">Glasby, Christopher J.</mods:namePart>
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<mods:namePart id="F719F44DDA07767D4E55DA8D7DDDDF6B">Hutchings, Pat</mods:namePart>
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<treatment id="03CD87A2FF81FFCDFF66A3CAC46CA528" ID-DOI="http://doi.org/10.5281/zenodo.4948562" ID-GBIF-Taxon="183794738" ID-Zenodo-Dep="4948562" LSID="urn:lsid:plazi:treatment:03CD87A2FF81FFCDFF66A3CAC46CA528" httpUri="http://treatment.plazi.org/id/03CD87A2FF81FFCDFF66A3CAC46CA528" lastPageNumber="19" pageId="18" pageNumber="19">
<subSubSection id="C37E653FFF81FFCDFF66A3CAC451A3A7" box="[151,597,151,178]" pageId="18" pageNumber="19" type="nomenclature">
<paragraph id="8BDB36B4FF81FFCDFF66A3CAC451A3A7" blockId="18.[151,597,151,211]" box="[151,597,151,178]" pageId="18" pageNumber="19">
<heading id="D09381D8FF81FFCDFF66A3CAC451A3A7" bold="true" box="[151,597,151,178]" fontSize="11" level="2" pageId="18" pageNumber="19" reason="4">
<taxonomicName id="4C644D37FF81FFCDFF66A3CAC451A3A7" ID-CoL="4L48L" authority="(Willey, 1902)" authorityName="" baseAuthorityName="Willey" baseAuthorityYear="1902" box="[151,597,151,178]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="antarcticus">
<emphasis id="B910EAA6FF81FFCDFF66A3CAC451A3A7" bold="true" box="[151,597,151,178]" pageId="18" pageNumber="19">
<emphasis id="B910EAA6FF81FFCDFF66A3CAC7A6A3A4" bold="true" box="[151,418,151,177]" italics="true" pageId="18" pageNumber="19">Polycirrus antarcticus</emphasis>
(
<bibRefCitation id="EFF54B45FF81FFCDFE40A3C5C449A3A7" author="Willey, A." box="[433,589,152,178]" pageId="18" pageNumber="19" pagination="262 - 283" refId="ref63786" refString="Willey, A. (1902) Polychaeta. Report on the collections of natural history made in the Antarctic regions during the voyage of the Southern Cross, XII, 262 - 283, pls. 41 - 46." type="journal article" year="1902">Willey, 1902</bibRefCitation>
)
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C37E653FFF81FFCDFF66A3E7C6FBA3C6" box="[151,255,186,211]" pageId="18" pageNumber="19" type="description">
<paragraph id="8BDB36B4FF81FFCDFF66A3E7C6FBA3C6" blockId="18.[151,597,151,211]" box="[151,255,186,211]" pageId="18" pageNumber="19">
<figureCitation id="135F2A31FF81FFCDFF66A3E7C6FBA3C6" box="[151,255,186,211]" captionStart="FIGURE 5" captionStartId="19.[151,250,1787,1809]" captionTargetBox="[155,1436,183,1757]" captionTargetId="figure-77@19.[155,1439,183,1766]" captionTargetPageId="19" captionText="FIGURE 5. Polycirrus antarcticus (Willey) and junior synonym P. insignis Gravier. a. P. insignis Holotype, MNHN 1542, dorsal view. b. P. insignis Holotype, MNHN 1542, ventral view. c. P. antarcticus Holotype BMNH 1902:1.8.18, ventral view. d. P. insignis Holotype, MNHN 1542, ventral view. e. P. insignis Holotype, MNHN 1542, notochaeta. Scales: a=2.0 mm, b=2.0 mm." figureDoi="http://doi.org/10.5281/zenodo.4948398" httpUri="https://zenodo.org/record/4948398/files/figure.png" pageId="18" pageNumber="19">Fig. 5ae</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="C37E653FFF81FFCDFF66A25DC550A22D" pageId="18" pageNumber="19" type="reference_group">
<paragraph id="8BDB36B4FF81FFCDFF66A25DC568A203" blockId="18.[151,876,256,312]" box="[151,876,256,278]" pageId="18" pageNumber="19">
<treatmentCitationGroup id="AB74119AFF81FFCDFF66A25DC568A203" box="[151,876,256,278]" pageId="18" pageNumber="19">
<treatmentCitation id="0AC510A5FF81FFCDFF66A25DC418A203" author="Willey, A." box="[151,540,256,278]" page="281" pageId="18" pageNumber="19" year="1902">
<taxonomicName id="4C644D37FF81FFCDFF66A25DC418A203" authority="Willey, 1902: 281" authorityName="Willey" authorityPageNumber="281" authorityYear="1902" box="[151,540,256,278]" class="Polychaeta" family="Terebellidae" genus="Ereutho" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="antarcticus">
<emphasis id="B910EAA6FF81FFCDFF66A25DC75BA203" box="[151,351,256,278]" italics="true" pageId="18" pageNumber="19">Ereutho antarcticus</emphasis>
<bibRefCitation id="EFF54B45FF81FFCDFE94A25DC418A203" author="Willey, A." box="[357,540,256,278]" pageId="18" pageNumber="19" pagination="262 - 283" refId="ref63786" refString="Willey, A. (1902) Polychaeta. Report on the collections of natural history made in the Antarctic regions during the voyage of the Southern Cross, XII, 262 - 283, pls. 41 - 46." type="journal article" year="1902">Willey, 1902: 281</bibRefCitation>
</taxonomicName>
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, Pl. XLII., fig. 6, pl.XLVI, fig. 6.
</treatmentCitationGroup>
</paragraph>
<paragraph id="8BDB36B4FF81FFCDFF66A27FC550A22D" blockId="18.[151,876,256,312]" box="[151,852,290,312]" pageId="18" pageNumber="19">
<treatmentCitationGroup id="AB74119AFF81FFCDFF66A27FC550A22D" box="[151,852,290,312]" pageId="18" pageNumber="19">
<treatmentCitation id="0AC510A5FF81FFCDFF66A27FC43CA22D" author="Gravier, C." box="[151,568,290,312]" page="56" pageId="18" pageNumber="19" year="1907">
<taxonomicName id="4C644D37FF81FFCDFF66A27FC43CA22D" ID-CoL="4L49R" authority="Gravier, 1907: 54 - 56" authorityName="Gravier" authorityPageNumber="54 - 56" authorityYear="1907" box="[151,568,290,312]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="insignis">
<emphasis id="B910EAA6FF81FFCDFF66A27FC753A22D" box="[151,343,290,312]" italics="true" pageId="18" pageNumber="19">Polycirrus insignis</emphasis>
<bibRefCitation id="EFF54B45FF81FFCDFEACA27FC43CA22D" author="Gravier, C." box="[349,568,290,312]" pageId="18" pageNumber="19" refId="ref60723" refString="Gravier, C. (1907) Annelides polychetes Expedition Antarctique francaise. Masson Cie, Paris, 75 pp." type="book" year="1907">Gravier, 1907: 5456</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, figs 35, 36. New synonym.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C37E653FFF81FFCDFF66A23AC45EA11E" pageId="18" pageNumber="19" type="materials_examined">
<paragraph id="8BDB36B4FF81FFCDFF66A23AC44FA295" blockId="18.[150,1440,359,1598]" box="[151,587,359,384]" pageId="18" pageNumber="19">
<emphasis id="B910EAA6FF81FFCDFF66A23AC729A295" bold="true" box="[151,301,359,384]" pageId="18" pageNumber="19">Type locality</emphasis>
.
<collectingCountry id="F3737624FF81FFCDFECDA23AC7B0A295" box="[316,436,359,384]" name="Antarctica" pageId="18" pageNumber="19">Antarctica</collectingCountry>
, Cape Adare.
</paragraph>
<paragraph id="8BDB36B4FF81FFCDFF36A2D7C40BA2D0" blockId="18.[150,1440,359,1598]" pageId="18" pageNumber="19">
<emphasis id="B910EAA6FF81FFCDFF36A2D7C7B7A2B6" bold="true" box="[199,435,394,419]" pageId="18" pageNumber="19">Material examined.</emphasis>
<materialsCitation id="3B0C3CE9FF81FFCDFE4DA2D7C40BA2D0" ID-GBIF-Occurrence="3327330305" collectingDate="1900-01-25" collectionCode="BMNH" collectorName="Cape Adare" country="Antarctica" latitude="-71.28333" location="Antarctica" longLatPrecision="972" longitude="170.23334" pageId="18" pageNumber="19" specimenCode="BMNH 1902" specimenCount="1" typeStatus="holotype">
<typeStatus id="54DF8816FF81FFCDFE4DA2D7C450A2B6" box="[444,596,394,419]" pageId="18" pageNumber="19" type="holotype">HOLOTYPE</typeStatus>
:
<collectingCountry id="F3737624FF81FFCDFD90A2D7C4DDA2B6" box="[609,729,394,419]" name="Antarctica" pageId="18" pageNumber="19">Antarctica</collectingCountry>
,
<collectorName id="26915362FF81FFCDFD17A2D7C574A2B6" box="[742,880,394,419]" pageId="18" pageNumber="19">Cape Adare</collectorName>
, coll.
<date id="FFDA1074FF81FFCDFC48A2D7C221A2B6" box="[953,1061,394,419]" pageId="18" pageNumber="19" value="1900-01-25">
<collectingDate id="EF9EE99CFF81FFCDFC48A2D7C221A2B6" box="[953,1061,394,419]" pageId="18" pageNumber="19" value="1900-01-25">25.i.1900</collectingDate>
</date>
, washed up after a gale,
<specimenCode id="DBC29ECFFF81FFCDFAB9A2D6C6D6A2D3" collectionCode="BMNH" pageId="18" pageNumber="19">BMNH 1902</specimenCode>
:1.8.18,
<geoCoordinate id="EE505073FF81FFCDFEDAA2F0C788A2D3" box="[299,396,429,454]" degrees="71" direction="south" minutes="17" orientation="latitude" pageId="18" pageNumber="19" precision="925" value="-71.28333">71°17 S</geoCoordinate>
,
<geoCoordinate id="EE505073FF81FFCDFE69A2F0C40FA2D0" box="[408,523,429,454]" degrees="170" direction="east" minutes="14" orientation="longitude" pageId="18" pageNumber="19" precision="925" value="170.23334">170°14 E</geoCoordinate>
.
</materialsCitation>
</paragraph>
<paragraph id="8BDB36B4FF81FFCDFF36A292C45EA11E" blockId="18.[150,1440,359,1598]" pageId="18" pageNumber="19">
<materialsCitation id="3B0C3CE9FF81FFCDFF36A292C45EA11E" ID-GBIF-Occurrence="3327330356" elevation="40" latitude="-66.25" location="Port Charcot" longLatPrecision="997" longitude="135.91667" municipality="Expedition Charcot" pageId="18" pageNumber="19" specimenCount="1" stateProvince="Monaghan" typeStatus="holotype">
<typeStatus id="54DF8816FF81FFCDFF36A292C75BA2FD" box="[199,351,463,488]" pageId="18" pageNumber="19" type="holotype">HOLOTYPE</typeStatus>
:
<taxonomicName id="4C644D37FF81FFCDFE80A292C449A2F2" box="[369,589,463,488]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="insignis">
<emphasis id="B910EAA6FF81FFCDFE80A292C449A2F2" box="[369,589,463,488]" italics="true" pageId="18" pageNumber="19">Polycirrus insignis</emphasis>
</taxonomicName>
A 229,
<collectingRegion id="49A0F856FF81FFCDFD4EA28DC510A2F2" box="[703,788,464,487]" country="Ireland" name="Monaghan" pageId="18" pageNumber="19">MNHN</collectingRegion>
1542,
<collectingMunicipality id="6BBFACCEFF81FFCDFC80A292C252A2FD" box="[881,1110,463,488]" pageId="18" pageNumber="19">Expedition Charcot</collectingMunicipality>
,
<location id="8EBB606FFF81FFCDFB98A28DC306A2FD" LSID="urn:lsid:plazi:treatment:03CD87A2FF81FFCDFF66A3CAC46CA528:8EBB606FFF81FFCDFB98A28DC306A2FD" box="[1129,1282,463,488]" latitude="-66.25" longLatPrecision="997" longitude="135.91667" municipality="Expedition Charcot" name="Port Charcot" pageId="18" pageNumber="19" stateProvince="Monaghan">Port Charcot</location>
,
<quantity id="4C9C9B51FF81FFCDFAE4A292C35CA2F2" box="[1301,1368,463,488]" metricMagnitude="1" metricUnit="m" metricValue="4.0" pageId="18" pageNumber="19" unit="m" value="40.0">
<elevation id="0049D187FF81FFCDFAE4A292C35CA2F2" box="[1301,1368,463,488]" metricMagnitude="1" metricUnit="m" metricValue="4.0" pageId="18" pageNumber="19" unit="m" value="40.0">40 m</elevation>
</quantity>
, coll. 19031905, id. 1906,
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<geoCoordinate id="EE505073FF81FFCDFE1AA2AFC452A11E" box="[491,598,498,523]" degrees="135" direction="east" minutes="55" orientation="longitude" pageId="18" pageNumber="19" precision="925" value="135.91667">135°55'E</geoCoordinate>
.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C37E653FFF81FFCDFF36A148C439A7F6" pageId="18" pageNumber="19" type="description">
<paragraph id="8BDB36B4FF81FFCDFF36A148C71EA183" blockId="18.[150,1440,359,1598]" pageId="18" pageNumber="19">
<emphasis id="B910EAA6FF81FFCDFF36A148C75CA13B" bold="true" box="[199,344,533,558]" pageId="18" pageNumber="19">Description.</emphasis>
Based on
<typeStatus id="54DF8816FF81FFCDFE20A148C43AA13B" box="[465,574,533,558]" pageId="18" pageNumber="19" type="holotype">holotypes</typeStatus>
of
<taxonomicName id="4C644D37FF81FFCDFD97A14BC507A138" authorityName="Willey" authorityYear="1902" box="[614,771,534,557]" class="Polychaeta" family="Terebellidae" genus="Ereutho" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="antarcticus">
<emphasis id="B910EAA6FF81FFCDFD97A14BC507A138" box="[614,771,534,557]" italics="true" pageId="18" pageNumber="19">E. antarcticus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C644D37FF81FFCDFCCDA14BC5B4A138" box="[828,944,534,557]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="insignis">
<emphasis id="B910EAA6FF81FFCDFCCDA14BC5B4A138" box="[828,944,534,557]" italics="true" pageId="18" pageNumber="19">P. insignis</emphasis>
</taxonomicName>
.
<typeStatus id="54DF8816FF81FFCDFC4EA148C223A13B" box="[959,1063,533,558]" pageId="18" pageNumber="19" type="holotype">Holotype</typeStatus>
of
<taxonomicName id="4C644D37FF81FFCDFBBEA14BC2E8A138" authorityName="Willey" authorityYear="1902" box="[1103,1260,534,557]" class="Polychaeta" family="Terebellidae" genus="Ereutho" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="antarcticus">
<emphasis id="B910EAA6FF81FFCDFBBEA14BC2E8A138" box="[1103,1260,534,557]" italics="true" pageId="18" pageNumber="19">E. antarcticus</emphasis>
</taxonomicName>
incomplete, 23 chaetigers,
<quantity id="4C9C9B51FF81FFCDFEE8A16AC76EA15A" box="[281,362,567,592]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="18" pageNumber="19" unit="mm" value="15.0">15 mm</quantity>
long,
<quantity id="4C9C9B51FF81FFCDFE45A16AC40FA15A" box="[436,523,567,592]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="18" pageNumber="19" unit="mm" value="2.5">2.5 mm</quantity>
wide; mature female (from
<bibRefCitation id="EFF54B45FF81FFCDFCBFA16AC5DAA145" author="Willey, A." box="[846,990,567,592]" pageId="18" pageNumber="19" pagination="262 - 283" refId="ref63786" refString="Willey, A. (1902) Polychaeta. Report on the collections of natural history made in the Antarctic regions during the voyage of the Southern Cross, XII, 262 - 283, pls. 41 - 46." type="journal article" year="1902">Willey 1902</bibRefCitation>
); original description does not mention any damage but some body wall damage now present.
<typeStatus id="54DF8816FF81FFCDFD0AA107C567A166" box="[763,867,602,627]" pageId="18" pageNumber="19" type="holotype">Holotype</typeStatus>
of
<taxonomicName id="4C644D37FF81FFCDFC74A106C5F8A167" box="[901,1020,603,626]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="insignis">
<emphasis id="B910EAA6FF81FFCDFC74A106C5F8A167" box="[901,1020,603,626]" italics="true" pageId="18" pageNumber="19">P. insignis</emphasis>
</taxonomicName>
complete, 36 chaetigers,
<quantity id="4C9C9B51FF81FFCDFAE4A107C360A167" box="[1301,1380,602,627]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="18" pageNumber="19" unit="mm" value="25.0">25 mm</quantity>
long (
<figureCitation id="135F2A31FF81FFCDFF6EA120C709A183" box="[159,269,637,662]" captionStart="FIGURE 5" captionStartId="19.[151,250,1787,1809]" captionTargetBox="[155,1436,183,1757]" captionTargetId="figure-77@19.[155,1439,183,1766]" captionTargetPageId="19" captionText="FIGURE 5. Polycirrus antarcticus (Willey) and junior synonym P. insignis Gravier. a. P. insignis Holotype, MNHN 1542, dorsal view. b. P. insignis Holotype, MNHN 1542, ventral view. c. P. antarcticus Holotype BMNH 1902:1.8.18, ventral view. d. P. insignis Holotype, MNHN 1542, ventral view. e. P. insignis Holotype, MNHN 1542, notochaeta. Scales: a=2.0 mm, b=2.0 mm." figureDoi="http://doi.org/10.5281/zenodo.4948398" httpUri="https://zenodo.org/record/4948398/files/figure.png" pageId="18" pageNumber="19">Fig. 5a, b</figureCitation>
).
</paragraph>
<paragraph id="8BDB36B4FF81FFCDFF36A1FDC596A1CE" blockId="18.[150,1440,359,1598]" pageId="18" pageNumber="19">
Venter with anterior mid-ventral groove and discrete ventro-lateral pads; pads more-or-less smooth, extending from segment 3 to 10; mid-ventral groove from segment 4 (
<figureCitation id="135F2A31FF81FFCDFCC2A19FC580A1CE" box="[819,900,706,731]" captionStart="FIGURE 5" captionStartId="19.[151,250,1787,1809]" captionTargetBox="[155,1436,183,1757]" captionTargetId="figure-77@19.[155,1439,183,1766]" captionTargetPageId="19" captionText="FIGURE 5. Polycirrus antarcticus (Willey) and junior synonym P. insignis Gravier. a. P. insignis Holotype, MNHN 1542, dorsal view. b. P. insignis Holotype, MNHN 1542, ventral view. c. P. antarcticus Holotype BMNH 1902:1.8.18, ventral view. d. P. insignis Holotype, MNHN 1542, ventral view. e. P. insignis Holotype, MNHN 1542, notochaeta. Scales: a=2.0 mm, b=2.0 mm." figureDoi="http://doi.org/10.5281/zenodo.4948398" httpUri="https://zenodo.org/record/4948398/files/figure.png" pageId="18" pageNumber="19">Fig. 5c</figureCitation>
).
</paragraph>
<paragraph id="8BDB36B4FF81FFCDFF36A1B8C379A09D" blockId="18.[150,1440,359,1598]" pageId="18" pageNumber="19">
Buccal tentacles of
<specimenCount id="9D62FD3DFF81FFCDFE59A1BBC40EA1EB" box="[424,522,742,766]" pageId="18" pageNumber="19" type="generic" typeStatus="type">one type</specimenCount>
(most are missing), cylindrical, uniformly thin and weakly grooved. Prostomial ridge slightly curved, not extending laterally. Upper lip trefoiled with lateral blindly ending enclosed diverticulae (lateral lobes not as large as medial lobe), margin of medial lobe convoluted; oral surface glandular and ciliated. Inner lower lip oblong; outer region flat, shield-like, oblong, wider than long, tessellated, extending posteriorly to segment 3. Achaetous segments visible dorsally but obscured by expanded outer lower lip ventrally (
<figureCitation id="135F2A31FF81FFCDFAF2A032C374A09D" box="[1283,1392,879,904]" captionStart="FIGURE 5" captionStartId="19.[151,250,1787,1809]" captionTargetBox="[155,1436,183,1757]" captionTargetId="figure-77@19.[155,1439,183,1766]" captionTargetPageId="19" captionText="FIGURE 5. Polycirrus antarcticus (Willey) and junior synonym P. insignis Gravier. a. P. insignis Holotype, MNHN 1542, dorsal view. b. P. insignis Holotype, MNHN 1542, ventral view. c. P. antarcticus Holotype BMNH 1902:1.8.18, ventral view. d. P. insignis Holotype, MNHN 1542, ventral view. e. P. insignis Holotype, MNHN 1542, notochaeta. Scales: a=2.0 mm, b=2.0 mm." figureDoi="http://doi.org/10.5281/zenodo.4948398" httpUri="https://zenodo.org/record/4948398/files/figure.png" pageId="18" pageNumber="19">Fig. 5c, d</figureCitation>
).
</paragraph>
<paragraph id="8BDB36B4FF81FFCDFF36A0CFC504A723" blockId="18.[150,1440,359,1598]" pageId="18" pageNumber="19">
Notochaetigerous segments 11 (10 on one side), extending to segment 13. Notopodia digitiform, lobes both similar, low and rounded (
<figureCitation id="135F2A31FF81FFCDFE3BA0E8C41AA0DB" box="[458,542,949,974]" captionStart="FIGURE 5" captionStartId="19.[151,250,1787,1809]" captionTargetBox="[155,1436,183,1757]" captionTargetId="figure-77@19.[155,1439,183,1766]" captionTargetPageId="19" captionText="FIGURE 5. Polycirrus antarcticus (Willey) and junior synonym P. insignis Gravier. a. P. insignis Holotype, MNHN 1542, dorsal view. b. P. insignis Holotype, MNHN 1542, ventral view. c. P. antarcticus Holotype BMNH 1902:1.8.18, ventral view. d. P. insignis Holotype, MNHN 1542, ventral view. e. P. insignis Holotype, MNHN 1542, notochaeta. Scales: a=2.0 mm, b=2.0 mm." figureDoi="http://doi.org/10.5281/zenodo.4948398" httpUri="https://zenodo.org/record/4948398/files/figure.png" pageId="18" pageNumber="19">Fig. 5c</figureCitation>
). Notochaetae within a chaetiger consisting of
<specimenCount id="9D62FD3DFF81FFCDFBB2A0EBC2A2A0DB" box="[1091,1190,950,974]" pageId="18" pageNumber="19" type="generic" typeStatus="type">one type</specimenCount>
(chaetigers 5 and 10 examined; most chaetae damaged), of two distinct lengths, smooth, narrowly winged (some hirsute at tip as a result of wear), subdistally slightly expanded), posteriorly same form as those anteriorly with blades more striated (
<figureCitation id="135F2A31FF81FFCDFA9FA0A7C6B1A723" captionStart="FIGURE 5" captionStartId="19.[151,250,1787,1809]" captionTargetBox="[155,1436,183,1757]" captionTargetId="figure-77@19.[155,1439,183,1766]" captionTargetPageId="19" captionText="FIGURE 5. Polycirrus antarcticus (Willey) and junior synonym P. insignis Gravier. a. P. insignis Holotype, MNHN 1542, dorsal view. b. P. insignis Holotype, MNHN 1542, ventral view. c. P. antarcticus Holotype BMNH 1902:1.8.18, ventral view. d. P. insignis Holotype, MNHN 1542, ventral view. e. P. insignis Holotype, MNHN 1542, notochaeta. Scales: a=2.0 mm, b=2.0 mm." figureDoi="http://doi.org/10.5281/zenodo.4948398" httpUri="https://zenodo.org/record/4948398/files/figure.png" pageId="18" pageNumber="19">Fig. 5e</figureCitation>
); posterior notochaetae damaged and not illustrated.
</paragraph>
<paragraph id="8BDB36B4FF81FFCDFF36A762C596A7D5" blockId="18.[150,1440,359,1598]" pageId="18" pageNumber="19">
Neurochaetae beginning on segment 16. Neuropodial tori erect pinnules, similar along body. Uncini with short neck and straight to convex base (Type 1), single tooth above main fang (in
<typeStatus id="54DF8816FF81FFCDFC1BA73FC253A76E" box="[1002,1111,1122,1147]" pageId="18" pageNumber="19" type="holotype">holotypes</typeStatus>
of both
<taxonomicName id="4C644D37FF81FFCDFB44A73EC355A76F" authorityName="Willey" authorityYear="1902" box="[1205,1361,1123,1146]" class="Polychaeta" family="Terebellidae" genus="Ereutho" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="antarcticus">
<emphasis id="B910EAA6FF81FFCDFB44A73EC355A76F" box="[1205,1361,1123,1146]" italics="true" pageId="18" pageNumber="19">E. antarcticus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C644D37FF81FFCDFA76A73EC6EAA788" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="insignis">
<emphasis id="B910EAA6FF81FFCDFA76A73EC6EAA788" italics="true" pageId="18" pageNumber="19">P. insignis</emphasis>
</taxonomicName>
) or teeth arranged in double transverse series (from type description), subrostral process absent (from type description) or present as low protuberance (observed in
<typeStatus id="54DF8816FF81FFCDFCE5A7FAC582A7D5" box="[788,902,1191,1216]" pageId="18" pageNumber="19" type="holotype">holotypes</typeStatus>
).
</paragraph>
<paragraph id="8BDB36B4FF81FFCDFF36A797C439A7F6" blockId="18.[150,1440,359,1598]" box="[199,573,1226,1251]" pageId="18" pageNumber="19">Nephridial papillae not observed.</paragraph>
</subSubSection>
<subSubSection id="C37E653FFF81FFCDFF36A7B0C46CA528" pageId="18" pageNumber="19" type="discussion">
<paragraph id="8BDB36B4FF81FFCDFF36A7B0C7C3A685" blockId="18.[150,1440,359,1598]" pageId="18" pageNumber="19">
<emphasis id="B910EAA6FF81FFCDFF36A7B0C74BA613" bold="true" box="[199,335,1261,1286]" pageId="18" pageNumber="19">Comments.</emphasis>
We have synonymised
<taxonomicName id="4C644D37FF81FFCDFDA7A7B3C56DA613" authority="Gravier, 1907" authorityName="Gravier" authorityYear="1907" box="[598,873,1261,1286]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="insignis">
<emphasis id="B910EAA6FF81FFCDFDA7A7B3C4CCA610" box="[598,712,1262,1285]" italics="true" pageId="18" pageNumber="19">P. insignis</emphasis>
<bibRefCitation id="EFF54B45FF81FFCDFD3EA7B0C56DA613" author="Gravier, C." box="[719,873,1261,1286]" pageId="18" pageNumber="19" refId="ref60723" refString="Gravier, C. (1907) Annelides polychetes Expedition Antarctique francaise. Masson Cie, Paris, 75 pp." type="book" year="1907">Gravier, 1907</bibRefCitation>
</taxonomicName>
with
<taxonomicName id="4C644D37FF81FFCDFC59A7B3C2ECA613" authority="(Willey, 1902)" baseAuthorityName="Willey" baseAuthorityYear="1902" box="[936,1256,1261,1286]" class="Polychaeta" family="Terebellidae" genus="Ereutho" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="antarcticus">
<emphasis id="B910EAA6FF81FFCDFC59A7B3C244A610" box="[936,1088,1262,1285]" italics="true" pageId="18" pageNumber="19">P. antarcticus</emphasis>
(
<bibRefCitation id="EFF54B45FF81FFCDFBBFA7B0C2E4A613" author="Willey, A." box="[1102,1248,1261,1286]" pageId="18" pageNumber="19" pagination="262 - 283" refId="ref63786" refString="Willey, A. (1902) Polychaeta. Report on the collections of natural history made in the Antarctic regions during the voyage of the Southern Cross, XII, 262 - 283, pls. 41 - 46." type="journal article" year="1902">Willey, 1902</bibRefCitation>
)
</taxonomicName>
after finding no significant differences between the
<typeStatus id="54DF8816FF81FFCDFDD9A652C491A63D" box="[552,661,1295,1320]" pageId="18" pageNumber="19" type="holotype">holotypes</typeStatus>
of both species. In particular, there are no differences in the number of notochaetigerous segments (
<quantity id="4C9C9B51FF81FFCDFDFBA66FC44EA65E" box="[522,586,1330,1355]" metricMagnitude="-1" metricUnit="m" metricValue="2.794" pageId="18" pageNumber="19" unit="in" value="11.0">11 in</quantity>
both species) and minimal difference in the segment having the first neurochaetae (segment
<quantity id="4C9C9B51FF81FFCDFE6EA608C7DDA67B" box="[415,473,1365,1390]" metricMagnitude="-1" metricUnit="m" metricValue="4.064" pageId="18" pageNumber="19" unit="in" value="16.0">16 in</quantity>
<taxonomicName id="4C644D37FF81FFCDFE2EA60BC47CA678" baseAuthorityName="Willey" baseAuthorityYear="1902" box="[479,632,1366,1389]" class="Polychaeta" family="Terebellidae" genus="Ereutho" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="antarcticus">
<emphasis id="B910EAA6FF81FFCDFE2EA60BC47CA678" box="[479,632,1366,1389]" italics="true" pageId="18" pageNumber="19">P. antarcticus</emphasis>
</taxonomicName>
, segment
<quantity id="4C9C9B51FF81FFCDFD1AA608C527A67B" box="[747,803,1365,1390]" metricMagnitude="-1" metricUnit="m" metricValue="3.556" pageId="18" pageNumber="19" unit="in" value="14.0">14 in</quantity>
<taxonomicName id="4C644D37FF81FFCDFCDAA60BC599A678" box="[811,925,1366,1389]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="insignis">
<emphasis id="B910EAA6FF81FFCDFCDAA60BC599A678" box="[811,925,1366,1389]" italics="true" pageId="18" pageNumber="19">P. insignis</emphasis>
</taxonomicName>
), which is acceptable intraspecific variability for the genus (see
<tableCitation id="C6E6030FFF81FFCDFE95A62AC7B2A685" box="[356,438,1399,1424]" captionStart="TABLE 1" captionStartId="5.[151,239,296,319]" captionTargetPageId="5" captionText="TABLE 1. Literature reports of intraspecific variation in the number of notochaetigerous segments and start of neuropodia in Polycirrus species. Mean of ranges indicated. Only reports indicating numbers of specimens examined are included." httpUri="http://table.plazi.org/id/DF1B663CFF96FFDAFF66A275C6FEA290" pageId="18" pageNumber="19" tableUuid="DF1B663CFF96FFDAFF66A275C6FEA290">Table 1</tableCitation>
).
</paragraph>
<paragraph id="8BDB36B4FF81FFCDFF36A6C7C46CA528" blockId="18.[150,1440,359,1598]" pageId="18" pageNumber="19">
Interestingly,
<bibRefCitation id="EFF54B45FF81FFCDFE90A6C7C404A6A6" author="Hessle, C." box="[353,512,1434,1459]" pageId="18" pageNumber="19" pagination="39 - 258" refId="ref61322" refString="Hessle, C. (1917) Zur Kenntnis der terebellomorphen Polychaeten. Zoologiska Bidrag fran Uppsala, 5, 39 - 258." type="journal article" year="1917">Hessle (1917)</bibRefCitation>
,
<bibRefCitation id="EFF54B45FF81FFCDFDFCA6C7C4BBA6A6" author="Benham, W. B." box="[525,703,1434,1459]" pageId="18" pageNumber="19" pagination="1 - 128" refId="ref59602" refString="Benham, W. B. (1921) Polychaeta. Scientific Reports Australian Antarctic Expedition Zoology and Botany, Series C, 6, 1 - 128." type="journal article" year="1921">Benham (1921)</bibRefCitation>
, and
<bibRefCitation id="EFF54B45FF81FFCDFD0AA6C7C5A3A6A6" author="Holthe, T." box="[763,935,1434,1459]" pageId="18" pageNumber="19" pagination="1 - 194" refId="ref61383" refString="Holthe, T. (1986 b) Polychaeta Terebellomorpha. In: Marine Invertebrates of Scandinavia No. 7. Norwegian University Press, Oslo, Norway, pp. 1 - 194." type="book chapter" year="1986">Holthe (1986b)</bibRefCitation>
all considered that
<taxonomicName id="4C644D37FF81FFCDFB74A6C6C325A6A7" baseAuthorityName="Willey" baseAuthorityYear="1902" box="[1157,1313,1435,1458]" class="Polychaeta" family="Terebellidae" genus="Ereutho" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="antarcticus">
<emphasis id="B910EAA6FF81FFCDFB74A6C6C325A6A7" box="[1157,1313,1435,1458]" italics="true" pageId="18" pageNumber="19">P. antarcticus</emphasis>
</taxonomicName>
might also be a synonym of
<taxonomicName id="4C644D37FF81FFCDFEA6A6E3C4BCA6C3" authority="McIntosh, 1885" authorityName="McIntosh" authorityYear="1885" box="[343,696,1469,1494]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="kerguelensis">
<emphasis id="B910EAA6FF81FFCDFEA6A6E3C404A6C3" box="[343,512,1469,1494]" italics="true" pageId="18" pageNumber="19">E. kerguelensis</emphasis>
<bibRefCitation id="EFF54B45FF81FFCDFDF6A6E0C4BCA6C3" author="McIntosh, W. C." box="[519,696,1469,1494]" pageId="18" pageNumber="19" pagination="1 - 554" refId="ref62435" refString="McIntosh, W. C. (1885) Report on the Annelida Polychaeta collected by H. M. S. ' Challenger' during the years 1873 - 76. Report of the Scientific Results of the Exploring Voyage of H. M. S. Challenger, 12, 1 - 554. [1873 - 76]" type="journal article" year="1885">McIntosh, 1885</bibRefCitation>
</taxonomicName>
(now
<taxonomicName id="4C644D37FF81FFCDFD0EA6E0C203A6C3" authorityName="McIntosh" authorityYear="1885" box="[767,1031,1469,1494]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="kerguelensis">
<emphasis id="B910EAA6FF81FFCDFD0EA6E0C203A6C3" box="[767,1031,1469,1494]" italics="true" pageId="18" pageNumber="19">Polycirrus kerguelensis</emphasis>
</taxonomicName>
). However we reject this synonymy since there are significant differences between the two taxa, including the first occurrence of neurochaetae (segment
<quantity id="4C9C9B51FF81FFCDFEF5A55FC739A50E" box="[260,317,1538,1563]" metricMagnitude="-1" metricUnit="m" metricValue="4.064" pageId="18" pageNumber="19" unit="in" value="16.0">16 in</quantity>
<taxonomicName id="4C644D37FF81FFCDFEB5A55EC7D8A50F" baseAuthorityName="Willey" baseAuthorityYear="1902" box="[324,476,1539,1562]" class="Polychaeta" family="Terebellidae" genus="Ereutho" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="antarcticus">
<emphasis id="B910EAA6FF81FFCDFEB5A55EC7D8A50F" box="[324,476,1539,1562]" italics="true" pageId="18" pageNumber="19">P. antarcticus</emphasis>
</taxonomicName>
, segment
<quantity id="4C9C9B51FF81FFCDFDBCA55FC47CA50E" box="[589,632,1538,1563]" metricMagnitude="-1" metricUnit="m" metricValue="1.524" pageId="18" pageNumber="19" unit="in" value="6.0">6 in</quantity>
<taxonomicName id="4C644D37FF81FFCDFD8EA55EC521A50E" authorityName="McIntosh" authorityYear="1885" box="[639,805,1538,1563]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="kerguelensis">
<emphasis id="B910EAA6FF81FFCDFD8EA55EC521A50E" box="[639,805,1538,1563]" italics="true" pageId="18" pageNumber="19">P. kerguelensis</emphasis>
</taxonomicName>
) and the form of the notochaetae which are smooth in
<taxonomicName id="4C644D37FF81FFCDFA76A55EC710A528" baseAuthorityName="Willey" baseAuthorityYear="1902" class="Polychaeta" family="Terebellidae" genus="Ereutho" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="antarcticus">
<emphasis id="B910EAA6FF81FFCDFA76A55EC710A528" italics="true" pageId="18" pageNumber="19">P. antarcticus</emphasis>
</taxonomicName>
and hirsute in
<taxonomicName id="4C644D37FF81FFCDFE4BA57BC465A52B" authorityName="McIntosh" authorityYear="1885" box="[442,609,1573,1598]" class="Polychaeta" family="Terebellidae" genus="Polycirrus" kingdom="Animalia" order="Terebellida" pageId="18" pageNumber="19" phylum="Annelida" rank="species" species="kerguelensis">
<emphasis id="B910EAA6FF81FFCDFE4BA57BC465A52B" box="[442,609,1573,1598]" italics="true" pageId="18" pageNumber="19">P. kerguelensis</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>