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<document id="804744747B4191006ABAAFB5BD40C623" ID-DOI="10.11646/zootaxa.5588.2.3" ID-ISSN="1175-5326" ID-Zenodo-Dep="14896438" ID-ZooBank="78E9E172-3481-4CBE-A5C6-09D0C7454728" IM.bibliography_approvedBy="jonas" IM.illustrations_approvedBy="jonas" IM.materialsCitations_approvedBy="jonas" IM.metadata_approvedBy="jonas" IM.tables_approvedBy="jonas" IM.taxonomicNames_approvedBy="jonas" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="jonas" checkinTime="1740003629620" checkinUser="plazi" docAuthor="Lavesque, Nicolas, Pinsivy, Lucas, Daffe, Guillemine, Daramy, Flore, Grosse, Maël, Chauvaud, Laurent &amp; Hutchings, Pat" docDate="2025" docId="03A187E0FFC8FFC9FF238464F860FCE6" docLanguage="en" docName="zootaxa.5588.2.3.pdf" docOrigin="Zootaxa 5588 (2)" docSource="https://doi.org/10.11646/zootaxa.5588.2.3" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Thelepus recheri Lavesque, Pinsivy &amp; Hutchings 2025, n. sp." docType="treatment" docVersion="3" lastPageNumber="264" masterDocId="FF98FF98FFC2FFC6FFB4810CFD24FFF3" masterDocTitle="A new species of the Thelepus cincinnatus complex from Saint-Pierre and Miquelon Archipelago (NW Atlantic) and genetic diversity of Amphitrite figulus (Dalyell, 1853) (Annelida, Terebelliformia)" masterLastPageNumber="268" masterPageNumber="250" pageNumber="260" updateTime="1740488603805" updateUser="jonas" zenodo-license-document="CLOSED">
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<mods:title id="37057E956EE1651EBFB210FEB64135ED">A new species of the Thelepus cincinnatus complex from Saint-Pierre and Miquelon Archipelago (NW Atlantic) and genetic diversity of Amphitrite figulus (Dalyell, 1853) (Annelida, Terebelliformia)</mods:title>
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<mods:affiliation id="63F3FA54275E7E8C60562AC1D00C29DE">CNRS, Univ. Bordeaux-Observatoire Aquitain des Sciences de lUnivers, UAR 2567, POREA, Pessac, France</mods:affiliation>
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<taxonomicName id="4C084D75FFC8FFCCFF238464FFD0FA71" authority="Lavesque, Pinsivy &amp; Hutchings" authorityName="Lavesque, Pinsivy &amp; Hutchings" authorityYear="2025" box="[151,756,1384,1411]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="10" pageNumber="260" phylum="Annelida" rank="species" species="recheri" status="sp. nov.">
<emphasis id="B97CEAE4FFC8FFCCFF238464FC47FA70" bold="true" box="[151,355,1384,1411]" italics="true" pageId="10" pageNumber="260">Thelepus recheri</emphasis>
Lavesque, Pinsivy &amp; Hutchings
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zoobank.org:act:
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<figureCitation id="13332A73FFC8FFCCFF2384BCFC24FA38" box="[151,256,1456,1483]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="10" pageNumber="260">Figures 5</figureCitation>
and
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<emphasis id="B97CEAE4FFC8FFCCFF2384F4FCA8F9E1" bold="true" box="[151,396,1528,1554]" pageId="10" pageNumber="260">Material examined.</emphasis>
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.
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MNHN-IA-2000-2102,
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, complete, some parapodia used for molecular analysis
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.
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.
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W.55318,
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,
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, complete, some parapodia used for molecular analysis, mounted for SEM. MNHN-IA-2000-2103,
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,
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,
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depth
</elevation>
,
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, incomplete, some parapodia used for molecular analysis. MNHN-IA-2000-2104,
</materialsCitation>
<materialsCitation id="3B603CABFFC8FFCCFEF287F8FCB9F8A4" collectingDate="2023-09" collectionCode="SPM" collectorName="Archipelago" country="Saint-Pierre and Miquelon" elevation="80" latitude="46.73268" location="North Atlantic Ocean" longLatPrecision="1" longitude="-56.271454" pageId="10" pageNumber="260" specimenCode="SPM 30" specimenCount="1" typeStatus="paratype">
<location id="8ED7602DFFC8FFCCFEF287F8FF1CF8FD" LSID="urn:lsid:plazi:treatment:03A187E0FFC8FFC9FF238464F860FCE6:8ED7602DFFC8FFCCFEF287F8FF1CF8FD" box="[326,568,1780,1806]" country="Saint-Pierre and Miquelon" latitude="46.73268" longLatPrecision="1" longitude="-56.271454" name="North Atlantic Ocean" pageId="10" pageNumber="260">North Atlantic Ocean</location>
,
<collectingCountry id="F31F7666FFC8FFCCFDF087F8FE49F8FD" box="[580,877,1780,1806]" name="Saint Pierre and Miquelon" pageId="10" pageNumber="260">Saint-Pierre and Miquelon</collectingCountry>
Archipelago, SW of
<collectingCountry id="F31F7666FFC8FFCCFBEE87F8F80AF8FD" box="[1114,1326,1780,1806]" name="Saint-Pierre Island" pageId="10" pageNumber="260">Saint-Pierre Island</collectingCountry>
,
<specimenCode id="DBAE9E8DFFC8FFCCFA8E87F8F8B3F8FD" box="[1338,1431,1780,1806]" collectionCode="SPM" country="Malaysia" httpUri="http://grbio.org/cool/ifne-sm24" name="Sabah Parks" pageId="10" pageNumber="260">SPM 30</specimenCode>
,
<geoCoordinate id="EE3C5031FFC8FFCCFF238614FC13F8C0" box="[151,311,1816,1843]" degrees="46.732683" direction="north" orientation="latitude" pageId="10" pageNumber="260" precision="1" value="46.73268">46.732683° N</geoCoordinate>
,
<geoCoordinate id="EE3C5031FFC8FFCCFEF58614FCC0F8C0" box="[321,484,1816,1843]" degrees="56.271452" direction="west" orientation="longitude" pageId="10" pageNumber="260" precision="1" value="-56.271454">56.271452° W</geoCoordinate>
,
<elevation id="0025D1C5FFC8FFCCFE5A8614FF49F8C1" box="[494,621,1816,1843]" metricMagnitude="1" metricUnit="m" metricValue="8.0" pageId="10" pageNumber="260" unit="m" value="80.0">
<quantity id="4CF09B13FFC8FFCCFE5A8614FF02F8C0" box="[494,550,1816,1843]" metricMagnitude="1" metricUnit="m" metricValue="8.0" pageId="10" pageNumber="260" unit="m" value="80.0">80 m</quantity>
depth
</elevation>
,
<date id="FFB61036FFC8FFCCFDCC8614FE15F8C1" box="[632,817,1816,1842]" pageId="10" pageNumber="260" value="2023-09">
<collectingDate id="EFF2E9DEFFC8FFCCFDCC8614FE15F8C1" box="[632,817,1816,1842]" pageId="10" pageNumber="260" value="2023-09">September 2023</collectingDate>
</date>
, complete, some parapodia used for molecular analysis. MNHN-IA-2000-2105,
</materialsCitation>
<materialsCitation id="3B603CABFFC8FFCCFE118630F8BCF8A5" box="[421,1432,1852,1879]" collectingDate="2023-09" collectionCode="SPM" collectorName="Archipelago" country="Saint-Pierre and Miquelon" elevation="80" latitude="46.73268" location="North Atlantic Ocean" longLatPrecision="1" longitude="-56.271454" pageId="10" pageNumber="260" specimenCode="SPM 30" specimenCount="1" typeStatus="paratype">
<location id="8ED7602DFFC8FFCCFE118630FFBCF8A5" LSID="urn:lsid:plazi:treatment:03A187E0FFC8FFC9FF238464F860FCE6:8ED7602DFFC8FFCCFE118630FFBCF8A5" box="[421,664,1852,1878]" country="Saint-Pierre and Miquelon" latitude="46.73268" longLatPrecision="1" longitude="-56.271454" name="North Atlantic Ocean" pageId="10" pageNumber="260">North Atlantic Ocean</location>
,
<collectingCountry id="F31F7666FFC8FFCCFD108630FEEAF8A5" box="[676,974,1852,1878]" name="Saint Pierre and Miquelon" pageId="10" pageNumber="260">Saint-Pierre and Miquelon</collectingCountry>
Archipelago, East of
<collectingCountry id="F31F7666FFC8FFCCFB778630F8BCF8A5" box="[1219,1432,1852,1878]" name="Saint-Pierre Island" pageId="10" pageNumber="260">Saint-Pierre Island</collectingCountry>
</materialsCitation>
,
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<specimenCode id="DBAE9E8DFFC8FFCCFF23866CFDCEF889" box="[151,234,1888,1914]" collectionCode="SPM" country="Malaysia" httpUri="http://grbio.org/cool/ifne-sm24" name="Sabah Parks" pageId="10" pageNumber="260">SPM 4</specimenCode>
,
<geoCoordinate id="EE3C5031FFC8FFCCFF4E866CFCBAF888" box="[250,414,1888,1915]" degrees="46.805247" direction="north" orientation="latitude" pageId="10" pageNumber="260" precision="1" value="46.80525">46.805247° N</geoCoordinate>
,
<geoCoordinate id="EE3C5031FFC8FFCCFE19866CFF77F888" box="[429,595,1888,1915]" degrees="56.115607" direction="west" orientation="longitude" pageId="10" pageNumber="260" precision="1" value="-56.11561">56.115607° W</geoCoordinate>
,
<elevation id="0025D1C5FFC8FFCCFDD6866CFFDDF889" box="[610,761,1888,1915]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="260" unit="m" value="100.0">
<quantity id="4CF09B13FFC8FFCCFDD6866CFF89F888" box="[610,685,1888,1915]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="10" pageNumber="260" unit="m" value="100.0">100 m</quantity>
depth
</elevation>
,
<date id="FFB61036FFC8FFCCFCBC866CFEE1F889" box="[776,965,1888,1914]" pageId="10" pageNumber="260" value="2023-09">
<collectingDate id="EFF2E9DEFFC8FFCCFCBC866CFEE1F889" box="[776,965,1888,1914]" pageId="10" pageNumber="260" value="2023-09">September 2023</collectingDate>
</date>
, complete, gravid
</materialsCitation>
.
<emphasis id="B97CEAE4FFC8FFCCFB12866CF8B8F889" bold="true" box="[1190,1436,1888,1914]" pageId="10" pageNumber="260">Additional material.</emphasis>
<materialsCitation id="3B603CABFFC8FFCCFF238688F814F831" collectingDate="2023-09" collectionCode="SPM" collectorName="Archipelago, SW" country="Saint-Pierre Island" elevation="80" latitude="46.73268" location="North Atlantic Ocean" longLatPrecision="1" longitude="-56.271454" pageId="10" pageNumber="260" specimenCode="SPM 30" specimenCount="1">
SMA-NL272,
<location id="8ED7602DFFC8FFCCFE888688FF14F86D" LSID="urn:lsid:plazi:treatment:03A187E0FFC8FFC9FF238464F860FCE6:8ED7602DFFC8FFCCFE888688FF14F86D" box="[316,560,1924,1950]" country="Saint-Pierre Island" latitude="46.73268" longLatPrecision="1" longitude="-56.271454" name="North Atlantic Ocean" pageId="10" pageNumber="260">North Atlantic Ocean</location>
, Saint-Pierre and Miquelon Archipelago, SW of
<collectingCountry id="F31F7666FFC8FFCCFBEC8688F809F86D" box="[1112,1325,1924,1950]" name="Saint-Pierre Island" pageId="10" pageNumber="260">Saint-Pierre Island</collectingCountry>
,
<specimenCode id="DBAE9E8DFFC8FFCCFA8D8688F8B3F86D" box="[1337,1431,1924,1950]" collectionCode="SPM" country="Malaysia" httpUri="http://grbio.org/cool/ifne-sm24" name="Sabah Parks" pageId="10" pageNumber="260">SPM 30</specimenCode>
,
<geoCoordinate id="EE3C5031FFC8FFCCFF2386A4FC13F830" box="[151,311,1960,1987]" degrees="46.732683" direction="north" orientation="latitude" pageId="10" pageNumber="260" precision="1" value="46.73268">46.732683° N</geoCoordinate>
,
<geoCoordinate id="EE3C5031FFC8FFCCFEF786A4FCC2F830" box="[323,486,1960,1987]" degrees="56.271452" direction="west" orientation="longitude" pageId="10" pageNumber="260" precision="1" value="-56.271454">56.271452° W</geoCoordinate>
,
<elevation id="0025D1C5FFC8FFCCFE4586A4FF56F831" box="[497,626,1960,1987]" metricMagnitude="1" metricUnit="m" metricValue="8.0" pageId="10" pageNumber="260" unit="m" value="80.0">
<quantity id="4CF09B13FFC8FFCCFE4586A4FF0EF830" box="[497,554,1960,1987]" metricMagnitude="1" metricUnit="m" metricValue="8.0" pageId="10" pageNumber="260" unit="m" value="80.0">80 m</quantity>
depth
</elevation>
,
<date id="FFB61036FFC8FFCCFDC986A4FE13F831" box="[637,823,1960,1986]" pageId="10" pageNumber="260" value="2023-09">
<collectingDate id="EFF2E9DEFFC8FFCCFDC986A4FE13F831" box="[637,823,1960,1986]" pageId="10" pageNumber="260" value="2023-09">September 2023</collectingDate>
</date>
, some parapodia used for molecular analysis
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C312657DFFC9FFCDFF73819AFEA6FC3B" pageId="11" pageNumber="261" type="description">
<paragraph id="8BB736F6FFC9FFCDFF73819AF91EFF27" blockId="11.[151,1437,150,2013]" pageId="11" pageNumber="261">
<emphasis id="B97CEAE4FFC9FFCDFF73819AFC75FF43" bold="true" box="[199,337,150,176]" pageId="11" pageNumber="261">Description</emphasis>
(based on
<typeStatus id="54B38854FFC9FFCDFE7B819AFF15FF43" box="[463,561,150,176]" pageId="11" pageNumber="261" type="holotype">holotype</typeStatus>
and
<typeStatus id="54B38854FFC9FFCDFDDD819AFFF2FF43" box="[617,726,150,176]" pageId="11" pageNumber="261" type="paratype">paratypes</typeStatus>
).
<typeStatus id="54B38854FFC9FFCDFD58819AFE70FF43" box="[748,852,150,176]" pageId="11" pageNumber="261" type="holotype">Holotype</typeStatus>
complete (about 110 segments),
<quantity id="4CF09B13FFC9FFCDFB78819AF815FF42" box="[1228,1329,150,177]" metricMagnitude="-2" metricUnit="m" metricValue="9.16" pageId="11" pageNumber="261" unit="mm" value="91.6">91.6 mm</quantity>
long,
<quantity id="4CF09B13FFC9FFCDFACD819AFDE7FF26" metricMagnitude="-3" metricUnit="m" metricValue="3.3" pageId="11" pageNumber="261" unit="mm" value="3.3">3.3 mm</quantity>
wide. Largest
<typeStatus id="54B38854FFC9FFCDFEDD81B7FCEDFF26" box="[361,457,187,213]" pageId="11" pageNumber="261" type="paratype">paratype</typeStatus>
(MNHN-IA-2000-2105)
<quantity id="4CF09B13FFC9FFCDFD5D81B6FE62FF26" box="[745,838,186,213]" metricMagnitude="-1" metricUnit="m" metricValue="1.45" pageId="11" pageNumber="261" unit="mm" value="145.0">145 mm</quantity>
long and
<quantity id="4CF09B13FFC9FFCDFC0181B6FED2FF26" box="[949,1014,186,213]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="11" pageNumber="261" unit="mm" value="4.0">4 mm</quantity>
wide.
</paragraph>
<paragraph id="8BB736F6FFC9FFCDFF7381D2F9BBFE96" blockId="11.[151,1437,150,2013]" pageId="11" pageNumber="261">
Prostomium at base of upper lip; numerous black eyespots in continuous dark band, with 34 irregular rows (
<figureCitation id="13332A73FFC9FFCDFF2B800EFDDEFEEE" box="[159,250,258,285]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Fig. 5B</figureCitation>
); buccal tentacles long, thick, deeply grooved (
<figureCitation id="13332A73FFC9FFCDFCAF800EFEBAFEEE" box="[795,926,258,285]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Figs 5AD</figureCitation>
;
<figureCitation id="13332A73FFC9FFCDFC18800EFED0FEEF" box="[940,1012,258,284]" captionStart="FIGURE 6" captionStartId="13.[151,250,1889,1913]" captionTargetBox="[159,1427,351,1854]" captionTargetId="figure-126@13.[151,1436,342,1863]" captionTargetPageId="13" captionText="FIGURE 6. Thelepus recheri n. sp., SEM paratype AM W.55318 (AF), holotype MNHN-IA-2000-2102 (G). A. Anterior end, lateral view; B. Anterior end, lateral view; C. First notopodia, segment 3. D. Anterior parapodium, segments 36; E. Abdominal neuropodia, posterior end 28; F. Uncini, segment 29; G. Uncinus, segment 17.Abbreviations: Bf, branchial filaments; Bt, buccal tentacles." figureDoi="http://doi.org/10.5281/zenodo.14896452" httpUri="https://zenodo.org/record/14896452/files/figure.png" pageId="11" pageNumber="261">6AB</figureCitation>
). Upper lip as wide as long, striated, thick, hood-like (
<figureCitation id="13332A73FFC9FFCDFEE8802AFC9CFEB2" box="[348,440,294,321]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Fig. 5D</figureCitation>
); lower lip thick, wider than long, striated, surrounded by ventral crescent-shaped lobe originating from SG1 (
<figureCitation id="13332A73FFC9FFCDFE2C8046FCD5FE96" box="[408,497,330,357]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Fig. 5D</figureCitation>
). SG1 and SG2 short, visible laterally and dorsally (
<figureCitation id="13332A73FFC9FFCDFB8E8046F9B6FE96" box="[1082,1170,330,357]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Fig. 5B</figureCitation>
).
</paragraph>
<paragraph id="8BB736F6FFC9FFCDFF738063FEDAFE23" blockId="11.[151,1437,150,2013]" pageId="11" pageNumber="261">
Two pairs of branchiae, on SG23, with 1021 filaments on SG2 and 613 on SG3 (
<figureCitation id="13332A73FFC9FFCDFBE38062F9F6FE7A" box="[1111,1234,366,393]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Figs 5BC</figureCitation>
;
<figureCitation id="13332A73FFC9FFCDFB6F8062F807FE7B" box="[1243,1315,366,392]" captionStart="FIGURE 6" captionStartId="13.[151,250,1889,1913]" captionTargetBox="[159,1427,351,1854]" captionTargetId="figure-126@13.[151,1436,342,1863]" captionTargetPageId="13" captionText="FIGURE 6. Thelepus recheri n. sp., SEM paratype AM W.55318 (AF), holotype MNHN-IA-2000-2102 (G). A. Anterior end, lateral view; B. Anterior end, lateral view; C. First notopodia, segment 3. D. Anterior parapodium, segments 36; E. Abdominal neuropodia, posterior end 28; F. Uncini, segment 29; G. Uncinus, segment 17.Abbreviations: Bf, branchial filaments; Bt, buccal tentacles." figureDoi="http://doi.org/10.5281/zenodo.14896452" httpUri="https://zenodo.org/record/14896452/files/figure.png" pageId="11" pageNumber="261">6AB</figureCitation>
); filaments short, distally blunt, cylindrical, arising directly from body wall, with wide medial gap; branchial filaments arranged in two irregular rows (
<figureCitation id="13332A73FFC9FFCDFE2680BAFCCFFE22" box="[402,491,438,465]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Fig. 5C</figureCitation>
). First pair of branchiae situated more laterally.
</paragraph>
<paragraph id="8BB736F6FFC9FFCDFF7380D6FDECFD03" blockId="11.[151,1437,150,2013]" pageId="11" pageNumber="261">
Ventral surface of anterior segments strongly glandular, corrugated on anterior-most segments, ventral shields absent (
<figureCitation id="13332A73FFC9FFCDFF5A80F2FC63FDEA" box="[238,327,510,537]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Fig. 5D</figureCitation>
); thin mid-ventral stripe beginning from about SG2930. Notopodia from SG3 to almost the end of the body, present on
<typeStatus id="54B38854FFC9FFCDFECF832EFCF9FDCF" box="[379,477,546,572]" pageId="11" pageNumber="261" type="holotype">holotype</typeStatus>
from SG3 to SG97 (for about 110 segments), on
<typeStatus id="54B38854FFC9FFCDFC4F832FF97FFDCE" box="[1019,1115,547,573]" pageId="11" pageNumber="261" type="paratype">paratype</typeStatus>
MNHN-IA-2000-2104 from SG3 to SG70 (for about 85 segments) and from SG384 (for about 90 segments) for
<typeStatus id="54B38854FFC9FFCDFBD8834BF9E8FD92" box="[1132,1228,583,609]" pageId="11" pageNumber="261" type="paratype">paratype</typeStatus>
MNHN-IA-2000- 2105; notopodia short, roughly rectangular, distally rounded (
<figureCitation id="13332A73FFC9FFCDFCE18366FEF0FD76" box="[853,980,618,645]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Figs 5BC</figureCitation>
;
<figureCitation id="13332A73FFC9FFCDFC558366F90DFD77" box="[993,1065,618,644]" captionStart="FIGURE 6" captionStartId="13.[151,250,1889,1913]" captionTargetBox="[159,1427,351,1854]" captionTargetId="figure-126@13.[151,1436,342,1863]" captionTargetPageId="13" captionText="FIGURE 6. Thelepus recheri n. sp., SEM paratype AM W.55318 (AF), holotype MNHN-IA-2000-2102 (G). A. Anterior end, lateral view; B. Anterior end, lateral view; C. First notopodia, segment 3. D. Anterior parapodium, segments 36; E. Abdominal neuropodia, posterior end 28; F. Uncini, segment 29; G. Uncinus, segment 17.Abbreviations: Bf, branchial filaments; Bt, buccal tentacles." figureDoi="http://doi.org/10.5281/zenodo.14896452" httpUri="https://zenodo.org/record/14896452/files/figure.png" pageId="11" pageNumber="261">6AB</figureCitation>
); notochaetae emerging between lobes. Few falcate notochaetae in both rows, anterior row with about 10 twisted winged chaetae (
<figureCitation id="13332A73FFC9FFCDFB798382F801FD5B" box="[1229,1317,654,680]" captionStart="FIGURE 6" captionStartId="13.[151,250,1889,1913]" captionTargetBox="[159,1427,351,1854]" captionTargetId="figure-126@13.[151,1436,342,1863]" captionTargetPageId="13" captionText="FIGURE 6. Thelepus recheri n. sp., SEM paratype AM W.55318 (AF), holotype MNHN-IA-2000-2102 (G). A. Anterior end, lateral view; B. Anterior end, lateral view; C. First notopodia, segment 3. D. Anterior parapodium, segments 36; E. Abdominal neuropodia, posterior end 28; F. Uncini, segment 29; G. Uncinus, segment 17.Abbreviations: Bf, branchial filaments; Bt, buccal tentacles." figureDoi="http://doi.org/10.5281/zenodo.14896452" httpUri="https://zenodo.org/record/14896452/files/figure.png" pageId="11" pageNumber="261">Fig. 6C</figureCitation>
), posterior row with about eight narrowly-winged notochaetae (
<figureCitation id="13332A73FFC9FFCDFD5783BEFE1FFD3F" box="[739,827,690,716]" captionStart="FIGURE 6" captionStartId="13.[151,250,1889,1913]" captionTargetBox="[159,1427,351,1854]" captionTargetId="figure-126@13.[151,1436,342,1863]" captionTargetPageId="13" captionText="FIGURE 6. Thelepus recheri n. sp., SEM paratype AM W.55318 (AF), holotype MNHN-IA-2000-2102 (G). A. Anterior end, lateral view; B. Anterior end, lateral view; C. First notopodia, segment 3. D. Anterior parapodium, segments 36; E. Abdominal neuropodia, posterior end 28; F. Uncini, segment 29; G. Uncinus, segment 17.Abbreviations: Bf, branchial filaments; Bt, buccal tentacles." figureDoi="http://doi.org/10.5281/zenodo.14896452" httpUri="https://zenodo.org/record/14896452/files/figure.png" pageId="11" pageNumber="261">Fig. 6C</figureCitation>
); well-marked difference in length between rows (
<figureCitation id="13332A73FFC9FFCDFADB83BEFD9FFD03" captionStart="FIGURE 6" captionStartId="13.[151,250,1889,1913]" captionTargetBox="[159,1427,351,1854]" captionTargetId="figure-126@13.[151,1436,342,1863]" captionTargetPageId="13" captionText="FIGURE 6. Thelepus recheri n. sp., SEM paratype AM W.55318 (AF), holotype MNHN-IA-2000-2102 (G). A. Anterior end, lateral view; B. Anterior end, lateral view; C. First notopodia, segment 3. D. Anterior parapodium, segments 36; E. Abdominal neuropodia, posterior end 28; F. Uncini, segment 29; G. Uncinus, segment 17.Abbreviations: Bf, branchial filaments; Bt, buccal tentacles." figureDoi="http://doi.org/10.5281/zenodo.14896452" httpUri="https://zenodo.org/record/14896452/files/figure.png" pageId="11" pageNumber="261">Fig. 6C</figureCitation>
).
</paragraph>
<paragraph id="8BB736F6FFC9FFCDFF7383F6F965FC73" blockId="11.[151,1437,150,2013]" pageId="11" pageNumber="261">
Neuropodia from SG5, as long fleshy ridges on anterior body, progressively shorter and more raised from midbody segments onwards (
<figureCitation id="13332A73FFC9FFCDFE058212FF2FFCCA" box="[433,523,798,825]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Figs 5E</figureCitation>
;
<figureCitation id="13332A73FFC9FFCDFDA28212FF78FCCB" box="[534,604,798,824]" captionStart="FIGURE 6" captionStartId="13.[151,250,1889,1913]" captionTargetBox="[159,1427,351,1854]" captionTargetId="figure-126@13.[151,1436,342,1863]" captionTargetPageId="13" captionText="FIGURE 6. Thelepus recheri n. sp., SEM paratype AM W.55318 (AF), holotype MNHN-IA-2000-2102 (G). A. Anterior end, lateral view; B. Anterior end, lateral view; C. First notopodia, segment 3. D. Anterior parapodium, segments 36; E. Abdominal neuropodia, posterior end 28; F. Uncini, segment 29; G. Uncinus, segment 17.Abbreviations: Bf, branchial filaments; Bt, buccal tentacles." figureDoi="http://doi.org/10.5281/zenodo.14896452" httpUri="https://zenodo.org/record/14896452/files/figure.png" pageId="11" pageNumber="261">6DE</figureCitation>
). Uncini with terminal dorsal button, short prow, much shorter than button, base curved; uncini longer than high (
<figureCitation id="13332A73FFC9FFCDFDF7824EFFBAFCAF" box="[579,670,834,860]" captionStart="FIGURE 6" captionStartId="13.[151,250,1889,1913]" captionTargetBox="[159,1427,351,1854]" captionTargetId="figure-126@13.[151,1436,342,1863]" captionTargetPageId="13" captionText="FIGURE 6. Thelepus recheri n. sp., SEM paratype AM W.55318 (AF), holotype MNHN-IA-2000-2102 (G). A. Anterior end, lateral view; B. Anterior end, lateral view; C. First notopodia, segment 3. D. Anterior parapodium, segments 36; E. Abdominal neuropodia, posterior end 28; F. Uncini, segment 29; G. Uncinus, segment 17.Abbreviations: Bf, branchial filaments; Bt, buccal tentacles." figureDoi="http://doi.org/10.5281/zenodo.14896452" httpUri="https://zenodo.org/record/14896452/files/figure.png" pageId="11" pageNumber="261">Fig. 6G</figureCitation>
). Crest of uncini with three rows of secondary teeth, basal row with 23 teeth, second row with 12 teeth, last row with irregularly sized teeth (
<figureCitation id="13332A73FFC9FFCDFC6B826AF910FC73" box="[991,1076,870,896]" captionStart="FIGURE 6" captionStartId="13.[151,250,1889,1913]" captionTargetBox="[159,1427,351,1854]" captionTargetId="figure-126@13.[151,1436,342,1863]" captionTargetPageId="13" captionText="FIGURE 6. Thelepus recheri n. sp., SEM paratype AM W.55318 (AF), holotype MNHN-IA-2000-2102 (G). A. Anterior end, lateral view; B. Anterior end, lateral view; C. First notopodia, segment 3. D. Anterior parapodium, segments 36; E. Abdominal neuropodia, posterior end 28; F. Uncini, segment 29; G. Uncinus, segment 17.Abbreviations: Bf, branchial filaments; Bt, buccal tentacles." figureDoi="http://doi.org/10.5281/zenodo.14896452" httpUri="https://zenodo.org/record/14896452/files/figure.png" pageId="11" pageNumber="261">Fig. 6F</figureCitation>
).
</paragraph>
<paragraph id="8BB736F6FFC9FFCDFF738286F985FC56" blockId="11.[151,1437,150,2013]" box="[199,1185,906,933]" pageId="11" pageNumber="261">
Nephridial and genital papillae not seen. Pygidium with 56 globular papillae (
<figureCitation id="13332A73FFC9FFCDFB898286F9B7FC56" box="[1085,1171,906,933]" captionStart="FIGURE 5" captionStartId="12.[151,250,1904,1928]" captionTargetBox="[172,1417,193,1864]" captionTargetId="figure-18@12.[158,1430,179,1879]" captionTargetPageId="12" captionText="FIGURE 5. Thelepus recheri n. sp., holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments." figureDoi="http://doi.org/10.5281/zenodo.14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="11" pageNumber="261">Fig. 5E</figureCitation>
).
</paragraph>
<paragraph id="8BB736F6FFC9FFCDFF7382A2FEA6FC3B" blockId="11.[151,1437,150,2013]" box="[199,898,942,968]" pageId="11" pageNumber="261">Tube incrusted with gravels, foraminifera and shell fragments.</paragraph>
</subSubSection>
<subSubSection id="C312657DFFC9FFCDFF7382DEFF10FBC7" pageId="11" pageNumber="261" type="etymology">
<paragraph id="8BB736F6FFC9FFCDFF7382DEFF10FBC7" blockId="11.[151,1437,150,2013]" pageId="11" pageNumber="261">
<emphasis id="B97CEAE4FFC9FFCDFF7382DEFC6AFC1F" bold="true" box="[199,334,978,1004]" pageId="11" pageNumber="261">Etymology.</emphasis>
This species is dedicated to Jean Recher, a fishing captain from the days of great fishing on the banks of Newfoundland who wrote the book “Le Grand Métier” (“The Great Profession”). He probably dredged up many specimens of this new species.
</paragraph>
</subSubSection>
<subSubSection id="C312657DFFC9FFCDFF738532F90EFBAB" box="[199,1066,1086,1112]" pageId="11" pageNumber="261" type="materials_examined">
<paragraph id="8BB736F6FFC9FFCDFF738532F90EFBAB" blockId="11.[151,1437,150,2013]" box="[199,1066,1086,1112]" pageId="11" pageNumber="261">
<emphasis id="B97CEAE4FFC9FFCDFF738532FC42FBAB" bold="true" box="[199,358,1086,1112]" pageId="11" pageNumber="261">
<typeStatus id="54B38854FFC9FFCDFF738532FC26FBAB" box="[199,258,1086,1112]" pageId="11" pageNumber="261">Type</typeStatus>
locality.
</emphasis>
<location id="8ED7602DFFC9FFCDFED88532FF7AFBAB" LSID="urn:lsid:plazi:treatment:03A187E0FFC8FFC9FF238464F860FCE6:8ED7602DFFC9FFCDFED88532FF7AFBAB" box="[364,606,1086,1112]" country="Saint Pierre and Miquelon" municipality="Archipelago" name="North Atlantic Ocean" pageId="11" pageNumber="261">North Atlantic Ocean</location>
,
<collectingCountry id="F31F7666FFC9FFCDFDDE8532FEB7FBAB" box="[618,915,1086,1112]" name="Saint Pierre and Miquelon" pageId="11" pageNumber="261">Saint-Pierre and Miquelon</collectingCountry>
<collectingMunicipality id="6BD3AC8CFFC9FFCDFC2C8532F902FBAB" box="[920,1062,1086,1112]" pageId="11" pageNumber="261">Archipelago</collectingMunicipality>
.
</paragraph>
</subSubSection>
<subSubSection id="C312657DFFC9FFCDFF73856EFCCEFB37" pageId="11" pageNumber="261" type="distribution">
<paragraph id="8BB736F6FFC9FFCDFF73856EFCCEFB37" blockId="11.[151,1437,150,2013]" pageId="11" pageNumber="261">
<emphasis id="B97CEAE4FFC9FFCDFF73856EFC45FB8F" bold="true" box="[199,353,1122,1148]" pageId="11" pageNumber="261">Distribution.</emphasis>
Canadian region:
<collectingCountry id="F31F7666FFC9FFCDFD98856EFE77FB8F" box="[556,851,1122,1148]" name="Saint Pierre and Miquelon" pageId="11" pageNumber="261">Saint-Pierre and Miquelon</collectingCountry>
Archipelago (this study), New Brunswick (Dewaard unpub;
<bibRefCitation id="EF994B07FFC9FFCDFF5D858AFCB4FB53" author="Carr, C. M. &amp; Hardy, S. M. &amp; Brown, T. M. &amp; Macdonald, T. A. &amp; Hebert, P. D. N." box="[233,400,1158,1184]" pageId="11" pageNumber="261" refId="ref8014" refString="Carr, C. M., Hardy, S. M., Brown, T. M., Macdonald, T. A. &amp; Hebert, P. D. N. (2011) A Tri-Oceanic Perspective: DNA Barcoding Reveals Geographic Structure and Cryptic Diversity in Canadian Polychaetes. PLoS ONE, 6 (7), e 22232." type="journal volume" year="2011">
Carr
<emphasis id="B97CEAE4FFC9FFCDFE94858BFC71FB53" box="[288,341,1158,1184]" italics="true" pageId="11" pageNumber="261">et al.</emphasis>
2011
</bibRefCitation>
as
<taxonomicName id="4C084D75FFC9FFCDFE05858BFF6FFB53" baseAuthorityName="Fabricius" baseAuthorityYear="1780" box="[433,587,1159,1184]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFC9FFCDFE05858BFF6FFB53" box="[433,587,1159,1184]" italics="true" pageId="11" pageNumber="261">T. cincinnatus</emphasis>
</taxonomicName>
in GenBank), Newfoundland and Labrador (
<bibRefCitation id="EF994B07FFC9FFCDFB86858AF9FAFB53" author="Carr, C. M. &amp; Hardy, S. M. &amp; Brown, T. M. &amp; Macdonald, T. A. &amp; Hebert, P. D. N." box="[1074,1246,1158,1184]" pageId="11" pageNumber="261" refId="ref8014" refString="Carr, C. M., Hardy, S. M., Brown, T. M., Macdonald, T. A. &amp; Hebert, P. D. N. (2011) A Tri-Oceanic Perspective: DNA Barcoding Reveals Geographic Structure and Cryptic Diversity in Canadian Polychaetes. PLoS ONE, 6 (7), e 22232." type="journal volume" year="2011">
Carr
<emphasis id="B97CEAE4FFC9FFCDFBDE858BF984FB53" box="[1130,1184,1158,1184]" italics="true" pageId="11" pageNumber="261">et al.</emphasis>
2011
</bibRefCitation>
, as
<taxonomicName id="4C084D75FFC9FFCDFAB6858BF8B8FB53" baseAuthorityName="Fabricius" baseAuthorityYear="1780" box="[1282,1436,1159,1184]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFC9FFCDFAB6858BF8B8FB53" box="[1282,1436,1159,1184]" italics="true" pageId="11" pageNumber="261">T. cincinnatus</emphasis>
</taxonomicName>
in GenBank) (
<figureCitation id="13332A73FFC9FFCDFE8285A6FC5FFB37" box="[310,379,1194,1220]" captionStart="FIGURE 8" captionStartId="14.[151,250,1730,1754]" captionTargetBox="[154,1424,1052,1698]" captionTargetId="figure-53@14.[151,1436,1050,1704]" captionTargetPageId="14" captionText="FIGURE 8. Maximum likelihood tree of Thelepus species based on COI sequences. Asterisks indicate the bootstrap support values of the ML analysis&gt;75%. Text in red indicates specimens sequenced in this study." figureDoi="http://doi.org/10.5281/zenodo.14896456" httpUri="https://zenodo.org/record/14896456/files/figure.png" pageId="11" pageNumber="261">Fig. 8</figureCitation>
;
<tableCitation id="C68A034DFFC9FFCDFE3385A6FCF9FB37" box="[391,477,1194,1220]" captionStart="TABLE 2" captionStartId="5.[152,244,537,563]" captionTargetPageId="5" captionText="TABLE 2: Terminal taxa used in the molecular section of the Thelepus study (16S and COI genes), with voucher specimens, type and collection localities, GenBank accession numbers and references." pageId="11" pageNumber="261">Table 2</tableCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C312657DFFC9FFCDFF7385C2F835FB1B" box="[199,1297,1230,1257]" pageId="11" pageNumber="261" type="biology_ecology">
<paragraph id="8BB736F6FFC9FFCDFF7385C2F835FB1B" blockId="11.[151,1437,150,2013]" box="[199,1297,1230,1257]" pageId="11" pageNumber="261">
<emphasis id="B97CEAE4FFC9FFCDFF7385C2FC0EFB1B" bold="true" box="[199,298,1230,1256]" pageId="11" pageNumber="261">Habitat.</emphasis>
Between 46 and
<quantity id="4CF09B13FFC9FFCDFE5885C2FF17FB1A" box="[492,563,1230,1257]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="11" pageNumber="261" unit="m" value="100.0">100 m</quantity>
depth, pebbles with coralline crusts (rhodoliths), rocky substrate.
</paragraph>
</subSubSection>
<subSubSection id="C312657DFFC9FFC9FF7385FEF860FCE6" lastPageId="15" lastPageNumber="265" pageId="11" pageNumber="261" type="discussion">
<paragraph id="8BB736F6FFC9FFCDFF7385FEF954FA17" blockId="11.[151,1437,150,2013]" pageId="11" pageNumber="261">
<emphasis id="B97CEAE4FFC9FFCDFF7385FEFC1FFAFF" bold="true" box="[199,315,1266,1292]" pageId="11" pageNumber="261">Remarks.</emphasis>
Only two species of
<taxonomicName id="4C084D75FFC9FFCDFD9285FEFFAFFAFF" authorityName="Leuckart" authorityYear="1849" box="[550,651,1266,1292]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="genus">
<emphasis id="B97CEAE4FFC9FFCDFD9285FEFFAFFAFF" box="[550,651,1266,1292]" italics="true" pageId="11" pageNumber="261">Thelepus</emphasis>
</taxonomicName>
have been described from the NW Atlantic:
<taxonomicName id="4C084D75FFC9FFCDFBC885FFFC55FAC3" authority="(Hartman &amp; Fauchald, 1971)" baseAuthorityName="Hartman &amp; Fauchald" baseAuthorityYear="1971" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="abranchiatus">
<emphasis id="B97CEAE4FFC9FFCDFBC885FFF80FFAFF" box="[1148,1323,1266,1292]" italics="true" pageId="11" pageNumber="261">T. abranchiatus</emphasis>
(
<bibRefCitation id="EF994B07FFC9FFCDFA8C85FEFC4DFAC3" author="Hartman, O. &amp; Fauchald, K." pageId="11" pageNumber="261" pagination="1 - 327" refId="ref8689" refString="Hartman, O. &amp; Fauchald, K. (1971) Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic Areas. Part II. Allan Hancock Monographs in Marine Biology, 6, 1-327." type="journal article" year="1971">Hartman &amp; Fauchald, 1971</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="4C084D75FFC9FFCDFE1B841BFE3BFAC2" authority="(Fabricius, 1780)" baseAuthorityName="Fabricius" baseAuthorityYear="1780" box="[431,799,1302,1329]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFC9FFCDFE1B841BFF74FAC3" box="[431,592,1303,1328]" italics="true" pageId="11" pageNumber="261">T. cincinnatus</emphasis>
(
<bibRefCitation id="EF994B07FFC9FFCDFDD6841AFE32FAC3" author="Fabricius, O." box="[610,790,1302,1328]" pageId="11" pageNumber="261" refId="ref8397" refString="Fabricius, O. (1780) Fauna Groenlandica, systematice sistens, Animalia Groenlandiae occidentalis hactenus indagata, quoad nomen specificum, triviale, vernaculumque synonyma auctorum plurium, descriptionem, locum, victum, generationem, mores, usum, capturamque singuli prout detegendi occasio fuit, maximaque parte secundum proprias observations. Impensis Ioannis Gottlob Rothe, Hafniae [Copenhagen] et Lipsiae [Leipzig], 449 pp. https://doi.org/10.5962/bhl.title.13489" type="book" year="1780">Fabricius, 1780</bibRefCitation>
<emphasis id="B97CEAE4FFC9FFCDFCA2841BFE3BFAC2" box="[790,799,1303,1329]" italics="true" pageId="11" pageNumber="261">)</emphasis>
</taxonomicName>
. The
<typeStatus id="54B38854FFC9FFCDFCD3841AFEEDFAC3" box="[871,969,1302,1328]" pageId="11" pageNumber="261" type="holotype">holotype</typeStatus>
of
<taxonomicName id="4C084D75FFC9FFCDFC41841BF98DFAC3" baseAuthorityName="Hartman &amp; Fauchald" baseAuthorityYear="1971" box="[1013,1193,1302,1328]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="abranchiatus">
<emphasis id="B97CEAE4FFC9FFCDFC41841BF98DFAC3" box="[1013,1193,1302,1328]" italics="true" pageId="11" pageNumber="261">T. abranchiatus</emphasis>
</taxonomicName>
was re-examined by
<bibRefCitation id="EF994B07FFC9FFCDFF238436FCE8FAA7" author="Hutchings, P. &amp; Glasby, C." box="[151,460,1338,1364]" pageId="11" pageNumber="261" pagination="105 - 117" refId="ref8831" refString="Hutchings, P. &amp; Glasby, C. (1986) A revision of the genus Euthelepus (Terebellidae: Thelepinae). Records of the Australian Museum, 38, 105-117. https://doi.org/10.3853/j.0067-1975.38.1986.177" type="journal article" year="1986">Hutchings &amp; Glasby (1986)</bibRefCitation>
. This last species differs mainly from
<taxonomicName id="4C084D75FFC9FFCDFCDE8436F901FAA7" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[874,1061,1338,1364]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="sp. nov.">
<emphasis id="B97CEAE4FFC9FFCDFCDE8436F901FAA7" box="[874,1061,1338,1364]" italics="true" pageId="11" pageNumber="261">Thelepus recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFB9E8436F942FAA7" bold="true" box="[1066,1126,1338,1364]" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFB9E8436F942FAA7" box="[1066,1126,1338,1364]" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
in the absence of branchiae, which are well developed in
<taxonomicName id="4C084D75FFC9FFCDFE558453FF6AFA8B" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[481,590,1374,1400]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFC9FFCDFE558453FF6AFA8B" box="[481,590,1374,1400]" italics="true" pageId="11" pageNumber="261">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFDE28452FFB3FA8B" bold="true" box="[598,663,1374,1400]" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFDE28452FFB3FA8B" box="[598,663,1374,1400]" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and in the number of notochaetae, which are present on 30 pairs of notopodia and 60% of the body length for
<taxonomicName id="4C084D75FFC9FFCDFDC1848FFE01FA6F" baseAuthorityName="Hartman &amp; Fauchald" baseAuthorityYear="1971" box="[629,805,1410,1436]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="abranchiatus">
<emphasis id="B97CEAE4FFC9FFCDFDC1848FFE01FA6F" box="[629,805,1410,1436]" italics="true" pageId="11" pageNumber="261">T. abranchiatus</emphasis>
</taxonomicName>
and about 90 notopodia and until the end of the body in
<taxonomicName id="4C084D75FFC9FFCDFF2384ABFC26FA33" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[151,258,1446,1472]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFC9FFCDFF2384ABFC26FA33" box="[151,258,1446,1472]" italics="true" pageId="11" pageNumber="261">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFEBC84AAFC62FA33" bold="true" box="[264,326,1446,1472]" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFEBC84AAFC62FA33" box="[264,326,1446,1472]" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
In addition,
<taxonomicName id="4C084D75FFC9FFCDFE6084ABFF1BFA33" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[468,575,1446,1472]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFC9FFCDFE6084ABFF1BFA33" box="[468,575,1446,1472]" italics="true" pageId="11" pageNumber="261">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFDF184AAFFA0FA33" bold="true" box="[581,644,1446,1472]" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFDF184AAFFA0FA33" box="[581,644,1446,1472]" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is a coastal species that lives at depths of between 50 and
<quantity id="4CF09B13FFC9FFCDFABE84AAF877FA32" box="[1290,1363,1446,1473]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="11" pageNumber="261" unit="m" value="100.0">100 m</quantity>
, while
<taxonomicName id="4C084D75FFC9FFCDFF2384C7FC63FA17" baseAuthorityName="Hartman &amp; Fauchald" baseAuthorityYear="1971" box="[151,327,1482,1508]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="abranchiatus">
<emphasis id="B97CEAE4FFC9FFCDFF2384C7FC63FA17" box="[151,327,1482,1508]" italics="true" pageId="11" pageNumber="261">T. abranchiatus</emphasis>
</taxonomicName>
is a deep-water species sampled at
<quantity id="4CF09B13FFC9FFCDFD6184C6FE0EFA16" box="[725,810,1482,1509]" metricMagnitude="3" metricUnit="m" metricValue="2.022" pageId="11" pageNumber="261" unit="m" value="2022.0">2022 m</quantity>
(
<bibRefCitation id="EF994B07FFC9FFCDFC8D84C6F940FA17" author="Hutchings, P. &amp; Glasby, C." box="[825,1124,1482,1508]" pageId="11" pageNumber="261" pagination="105 - 117" refId="ref8831" refString="Hutchings, P. &amp; Glasby, C. (1986) A revision of the genus Euthelepus (Terebellidae: Thelepinae). Records of the Australian Museum, 38, 105-117. https://doi.org/10.3853/j.0067-1975.38.1986.177" type="journal article" year="1986">Hutchings &amp; Glasby 1986</bibRefCitation>
).
</paragraph>
<paragraph id="8BB736F6FFC9FFCDFF7384E2F818F8F7" blockId="11.[151,1437,150,2013]" pageId="11" pageNumber="261">
<taxonomicName id="4C084D75FFC9FFCDFF7384E2FCA2F9FB" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[199,390,1518,1544]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="sp. nov.">
<emphasis id="B97CEAE4FFC9FFCDFF7384E2FCA2F9FB" box="[199,390,1518,1544]" italics="true" pageId="11" pageNumber="261">Thelepus recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFE2484E2FCF5F9FB" bold="true" box="[400,465,1518,1544]" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFE2484E2FCF5F9FB" box="[400,465,1518,1544]" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
has probably been confused with the so-called cosmopolitan species
<taxonomicName id="4C084D75FFC9FFCDFB4284E3F8B1F9FB" baseAuthorityName="Fabricius" baseAuthorityYear="1780" box="[1270,1429,1519,1544]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFC9FFCDFB4284E3F8B1F9FB" box="[1270,1429,1519,1544]" italics="true" pageId="11" pageNumber="261">T. cincinnatus</emphasis>
</taxonomicName>
, as for example in
<bibRefCitation id="EF994B07FFC9FFCDFED1871EFF0EF9DF" author="Carr, C. M. &amp; Hardy, S. M. &amp; Brown, T. M. &amp; Macdonald, T. A. &amp; Hebert, P. D. N." box="[357,554,1554,1580]" pageId="11" pageNumber="261" refId="ref8014" refString="Carr, C. M., Hardy, S. M., Brown, T. M., Macdonald, T. A. &amp; Hebert, P. D. N. (2011) A Tri-Oceanic Perspective: DNA Barcoding Reveals Geographic Structure and Cryptic Diversity in Canadian Polychaetes. PLoS ONE, 6 (7), e 22232." type="journal volume" year="2011">
Carr
<emphasis id="B97CEAE4FFC9FFCDFE2B871FFCFCF9DF" box="[415,472,1554,1580]" italics="true" pageId="11" pageNumber="261">et al.</emphasis>
(2011)
</bibRefCitation>
(
<figureCitation id="13332A73FFC9FFCDFD8F871EFFA4F9DF" box="[571,640,1554,1580]" captionStart="FIGURE 8" captionStartId="14.[151,250,1730,1754]" captionTargetBox="[154,1424,1052,1698]" captionTargetId="figure-53@14.[151,1436,1050,1704]" captionTargetPageId="14" captionText="FIGURE 8. Maximum likelihood tree of Thelepus species based on COI sequences. Asterisks indicate the bootstrap support values of the ML analysis&gt;75%. Text in red indicates specimens sequenced in this study." figureDoi="http://doi.org/10.5281/zenodo.14896456" httpUri="https://zenodo.org/record/14896456/files/figure.png" pageId="11" pageNumber="261">Fig. 8</figureCitation>
). Indeed, this last species has been described from western
<collectingCountry id="F31F7666FFC9FFCDFA9C871EF8B9F9DF" box="[1320,1437,1554,1580]" name="Greenland" pageId="11" pageNumber="261">Greenland</collectingCountry>
which is only separated from SPM by the Labrador Sea and is largely reported in the Canadian region. Recently,
<bibRefCitation id="EF994B07FFC9FFCDFF238756FC75F987" author="Nogueira, J. M. M." box="[151,337,1626,1652]" pageId="11" pageNumber="261" pagination="419 - 428" refId="ref10583" refString="Nogueira, J. M. M. (2019) Redescriptions of Streblosoma bairdi (Malmgren, 1866) and Thelepus cincinnatus (Fabricius, 1780), based on types and material from type localities. Zootaxa, 4544 (3), 419-428. https://doi.org/10.11646/zootaxa.4544.3.7" type="journal article" year="2019">Nogueira (2019)</bibRefCitation>
redescribed
<taxonomicName id="4C084D75FFC9FFCDFE6B8757FF5FF987" baseAuthorityName="Fabricius" baseAuthorityYear="1780" box="[479,635,1627,1652]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFC9FFCDFE6B8757FF5FF987" box="[479,635,1627,1652]" italics="true" pageId="11" pageNumber="261">T. cincinnatus</emphasis>
</taxonomicName>
based on
<typeStatus id="54B38854FFC9FFCDFD5F8757FE69F986" box="[747,845,1627,1653]" pageId="11" pageNumber="261" type="syntype">syntypes</typeStatus>
from the type locality (= “Torell
<typeStatus id="54B38854FFC9FFCDFB738756F81FF987" box="[1223,1339,1626,1652]" pageId="11" pageNumber="261" type="topotype">topotypes</typeStatus>
”). Based on morphological characters, the two species can easily be distinguished from each other. The branchiae of
<taxonomicName id="4C084D75FFC9FFCDFA3C8773FDC3F94F" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFC9FFCDFA3C8773FDC3F94F" italics="true" pageId="11" pageNumber="261">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFF5987AEFC0FF94F" bold="true" box="[237,299,1698,1724]" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFF5987AEFC0FF94F" box="[237,299,1698,1724]" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
are separated by a wide medial gap which is inconspicuous for
<emphasis id="B97CEAE4FFC9FFCDFC5E87AFFEDEF94F" box="[1002,1018,1699,1724]" italics="true" pageId="11" pageNumber="261">T</emphasis>
. c
<emphasis id="B97CEAE4FFC9FFCDFBA787AFF9ABF94F" box="[1043,1167,1699,1724]" italics="true" pageId="11" pageNumber="261">incinnatus.</emphasis>
The mid-ventral groove begins from SG10 for
<taxonomicName id="4C084D75FFC9FFCDFE3B87CBFF0FF913" baseAuthorityName="Fabricius" baseAuthorityYear="1780" box="[399,555,1735,1760]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFC9FFCDFE3B87CBFF0FF913" box="[399,555,1735,1760]" italics="true" pageId="11" pageNumber="261">T. cincinnatus</emphasis>
</taxonomicName>
and from about SG30 for
<taxonomicName id="4C084D75FFC9FFCDFCF987CBFE93F913" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[845,951,1734,1760]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFC9FFCDFCF987CBFE93F913" box="[845,951,1734,1760]" italics="true" pageId="11" pageNumber="261">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFC0987CAFEDFF913" bold="true" box="[957,1019,1734,1760]" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFC0987CAFEDFF913" box="[957,1019,1734,1760]" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
The notopodia of
<taxonomicName id="4C084D75FFC9FFCDFB7287CBF814F913" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[1222,1328,1734,1760]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFC9FFCDFB7287CBF814F913" box="[1222,1328,1734,1760]" italics="true" pageId="11" pageNumber="261">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFA8287CAF850F913" bold="true" box="[1334,1396,1734,1760]" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFA8287CAF850F913" box="[1334,1396,1734,1760]" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
are present almost until the end of the body while they terminate far from the posterior end for
<taxonomicName id="4C084D75FFC9FFCDFB2287E7F81CF8F7" baseAuthorityName="Fabricius" baseAuthorityYear="1780" box="[1174,1336,1771,1797]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFC9FFCDFB2287E7F982F8F7" box="[1174,1190,1771,1796]" italics="true" pageId="11" pageNumber="261">T</emphasis>
.
<emphasis id="B97CEAE4FFC9FFCDFB0787E7F81CF8F7" box="[1203,1336,1771,1796]" italics="true" pageId="11" pageNumber="261">cincinnatus</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFA8C87E7F818F8F7" box="[1336,1340,1771,1796]" italics="true" pageId="11" pageNumber="261">.</emphasis>
</paragraph>
<paragraph id="8BB736F6FFC9FFCBFF738603F811FEB2" blockId="11.[151,1437,150,2013]" lastBlockId="13.[151,1437,151,321]" lastPageId="13" lastPageNumber="263" pageId="11" pageNumber="261">
In the Northern hemisphere, another species has two pairs of branchiae, the presence of eyespots and notopodia until the end of the body:
<taxonomicName id="4C084D75FFC9FFCDFE0B863FFFF5F8BF" authority="Jirkov 2018" authorityName="Jirkov" authorityYear="2018" box="[447,721,1842,1868]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="parapari">
<emphasis id="B97CEAE4FFC9FFCDFE0B863FFF64F8BF" box="[447,576,1843,1868]" italics="true" pageId="11" pageNumber="261">T. parapari</emphasis>
<bibRefCitation id="EF994B07FFC9FFCDFDFC863EFFF5F8BF" author="Jirkov, I." box="[584,721,1842,1868]" pageId="11" pageNumber="261" pagination="29 - 56" refId="ref9245" refString="Jirkov, I. (2018) Three new species of Thelepus from Europe and a re-description of T. cincinnatus (Fabricius, 1780) (Annelida, Terebellidae). ZooKeys, 759, 29-56. https://doi.org/10.3897/zookeys.759.22981" type="journal article" year="2018">Jirkov 2018</bibRefCitation>
</taxonomicName>
, described from the Mediterranean Sea. However,
<taxonomicName id="4C084D75FFC9FFCDFAA5863FF85AF8BF" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[1297,1406,1842,1868]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFC9FFCDFAA5863FF85AF8BF" box="[1297,1406,1842,1868]" italics="true" pageId="11" pageNumber="261">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFA32863EFD9CF883" bold="true" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFA32863EFD9CF883" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
differs by the presence of black eyespots instead of red ones (which are rarely present), by the higher number of branchial filaments (up to 21 filaments for the first branchiae and up to 17 for the second ones for
<taxonomicName id="4C084D75FFC9FFCDFAA68677F85AF867" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[1298,1406,1914,1940]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFC9FFCDFAA68677F85AF867" box="[1298,1406,1914,1940]" italics="true" pageId="11" pageNumber="261">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFA328676FD9CF84B" bold="true" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFA328676FD9CF84B" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, instead of 11 and 8 filaments respectively for
<taxonomicName id="4C084D75FFC9FFCDFD608693FE71F84B" authorityName="Jirkov" authorityYear="2018" box="[724,853,1951,1976]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="parapari">
<emphasis id="B97CEAE4FFC9FFCDFD608693FE71F84B" box="[724,853,1951,1976]" italics="true" pageId="11" pageNumber="261">T. parapari</emphasis>
</taxonomicName>
), and by the shape of the pygidium which presents 56 globular papillae for
<taxonomicName id="4C084D75FFC9FFCDFE0386CFFF07F82F" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[439,547,1986,2012]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFC9FFCDFE0386CFFF07F82F" box="[439,547,1986,2012]" italics="true" pageId="11" pageNumber="261">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFC9FFCDFD9F86CEFF4EF82F" bold="true" box="[555,618,1986,2012]" pageId="11" pageNumber="261">
<taxonomicNameLabel id="A24F579FFFC9FFCDFD9F86CEFF4EF82F" box="[555,618,1986,2012]" pageId="11" pageNumber="261" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and which is crenulated for
<taxonomicName id="4C084D75FFC9FFCDFC1A86CFF90BF82F" authorityName="Jirkov" authorityYear="2018" box="[942,1071,1987,2012]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="parapari">
<emphasis id="B97CEAE4FFC9FFCDFC1A86CFF90BF82F" box="[942,1071,1987,2012]" italics="true" pageId="11" pageNumber="261">T. parapari</emphasis>
</taxonomicName>
. The notochaetae of
<taxonomicName id="4C084D75FFC9FFCDFAA886CFF8B9F82F" authorityName="Jirkov" authorityYear="2018" box="[1308,1437,1987,2012]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="261" phylum="Annelida" rank="species" species="parapari">
<emphasis id="B97CEAE4FFC9FFCDFAA886CFF8B9F82F" box="[1308,1437,1987,2012]" italics="true" pageId="11" pageNumber="261">T. parapari</emphasis>
</taxonomicName>
are usually in one row with mixed short and long chaetae while there are always two rows for
<taxonomicName id="4C084D75FFCFFFCBFB07819BF83AFF42" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[1203,1310,151,177]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="263" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFCFFFCBFB07819BF83AFF42" box="[1203,1310,151,177]" italics="true" pageId="13" pageNumber="263">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFCFFFCBFA91819BF847FF42" bold="true" box="[1317,1379,151,177]" pageId="13" pageNumber="263">
<taxonomicNameLabel id="A24F579FFFCFFFCBFA91819BF847FF42" box="[1317,1379,151,177]" pageId="13" pageNumber="263" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
with well-marked difference in length between rows. The posterior uncini of
<taxonomicName id="4C084D75FFCFFFCBFC0681B7F914FF27" authorityName="Jirkov" authorityYear="2018" box="[946,1072,187,212]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="263" phylum="Annelida" rank="species" species="parapari">
<emphasis id="B97CEAE4FFCFFFCBFC0681B7F914FF27" box="[946,1072,187,212]" italics="true" pageId="13" pageNumber="263">T. parapari</emphasis>
</taxonomicName>
have only one row of tooth/teeth above the main fang (“uncini have only one tooth in profile”) while there are always two rows above the main fang for
<taxonomicName id="4C084D75FFCFFFCBFF0B800FFC0FFEEE" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[191,299,259,285]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="263" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFCFFFCBFF0B800FFC0FFEEE" box="[191,299,259,285]" italics="true" pageId="13" pageNumber="263">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFCFFFCBFE86800FFC55FEEE" bold="true" box="[306,369,259,285]" pageId="13" pageNumber="263">
<taxonomicNameLabel id="A24F579FFFCFFFCBFE86800FFC55FEEE" box="[306,369,259,285]" pageId="13" pageNumber="263" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
Finally, the two species are found in two very different habitats with
<taxonomicName id="4C084D75FFCFFFCBFBCA800FF9CEFEEE" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[1150,1258,259,285]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="263" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFCFFFCBFBCA800FF9CEFEEE" box="[1150,1258,259,285]" italics="true" pageId="13" pageNumber="263">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFCFFFCBFB45800FF814FEEE" bold="true" box="[1265,1328,259,285]" pageId="13" pageNumber="263">
<taxonomicNameLabel id="A24F579FFFCFFFCBFB45800FF814FEEE" box="[1265,1328,259,285]" pageId="13" pageNumber="263" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
found up to
<quantity id="4CF09B13FFCFFFCBFF00802BFDDFFEB2" box="[180,251,295,321]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="13" pageNumber="263" unit="m" value="100.0">100 m</quantity>
depth in a sub-Arctic region and
<taxonomicName id="4C084D75FFCFFFCBFDC6802BFFD6FEB3" authorityName="Jirkov" authorityYear="2018" box="[626,754,295,320]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="263" phylum="Annelida" rank="species" species="parapari">
<emphasis id="B97CEAE4FFCFFFCBFDC6802BFFD6FEB3" box="[626,754,295,320]" italics="true" pageId="13" pageNumber="263">T. parapari</emphasis>
</taxonomicName>
present in the Mediterranean Sea up to
<quantity id="4CF09B13FFCFFFCBFB04802AF9CDFEB2" box="[1200,1257,294,321]" metricMagnitude="1" metricUnit="m" metricValue="1.5" pageId="13" pageNumber="263" unit="m" value="15.0">15 m</quantity>
depth.
</paragraph>
<caption id="DF77667EFFCEFFCAFF23867CFE73F806" ID-DOI="http://doi.org/10.5281/zenodo.14896450" ID-Zenodo-Dep="14896450" httpUri="https://zenodo.org/record/14896450/files/figure.png" pageId="12" pageNumber="262" startId="12.[151,250,1904,1928]" targetBox="[172,1417,193,1864]" targetPageId="12" targetType="figure">
<paragraph id="8BB736F6FFCEFFCAFF23867CFE73F806" blockId="12.[151,1437,1904,2037]" pageId="12" pageNumber="262">
<emphasis id="B97CEAE4FFCEFFCAFF23867CFC32F87A" bold="true" box="[151,278,1904,1929]" pageId="12" pageNumber="262">FIGURE 5.</emphasis>
<taxonomicName id="4C084D75FFCEFFCAFE94867CFCEAF87B" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[288,462,1904,1928]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="12" pageNumber="262" phylum="Annelida" rank="species" species="recheri" status="sp. nov.">
<emphasis id="B97CEAE4FFCEFFCAFE94867CFCEAF87B" box="[288,462,1904,1928]" italics="true" pageId="12" pageNumber="262">Thelepus recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFCEFFCAFE6C867DFF31F87A" bold="true" box="[472,533,1905,1929]" pageId="12" pageNumber="262">
<taxonomicNameLabel id="A24F579FFFCEFFCAFE6C867DFF31F87A" box="[472,533,1905,1929]" pageId="12" pageNumber="262" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, holotype MNHN-IA-2000-2102 (AB, E), paratype MNHN-IA-2000-2103 (CD) A. Entire specimen, lateral view; B. Anterior end, lateral view; C. Anterior end, dorsal view; D. Anterior end ventral view; E. Posterior end. Abbreviations: Bf, branchial filaments; Bg, branchial gap; Bt, buccal tentacles; Ey, eyespots; Ll, lower lip; Py, pygidium; Ul, upper lip; Vl, ventral lobe. Numbers refer to segments.
</paragraph>
</caption>
<caption id="DF77667EFFCFFFCBFF23866DFDD3F816" ID-DOI="http://doi.org/10.5281/zenodo.14896452" ID-Zenodo-Dep="14896452" httpUri="https://zenodo.org/record/14896452/files/figure.png" pageId="13" pageNumber="263" startId="13.[151,250,1889,1913]" targetBox="[159,1427,351,1854]" targetPageId="13" targetType="figure">
<paragraph id="8BB736F6FFCFFFCBFF23866DFDD3F816" blockId="13.[151,1436,1889,2021]" pageId="13" pageNumber="263">
<emphasis id="B97CEAE4FFCFFFCBFF23866DFC36F88A" bold="true" box="[151,274,1889,1913]" pageId="13" pageNumber="263">FIGURE 6.</emphasis>
<taxonomicName id="4C084D75FFCFFFCBFEAD866DFCE6F88A" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[281,450,1889,1913]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="263" phylum="Annelida" rank="species" species="recheri" status="sp. nov.">
<emphasis id="B97CEAE4FFCFFFCBFEAD866DFCE6F88A" box="[281,450,1889,1913]" italics="true" pageId="13" pageNumber="263">Thelepus recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFCFFFCBFE7C866DFF25F88A" bold="true" box="[456,513,1889,1913]" pageId="13" pageNumber="263">
<taxonomicNameLabel id="A24F579FFFCFFFCBFE7C866DFF25F88A" box="[456,513,1889,1913]" pageId="13" pageNumber="263" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, SEM paratype AM W.55318 (AF), holotype MNHN-IA-2000-2102 (G). A. Anterior end, lateral view; B. Anterior end, lateral view; C. First notopodia, segment 3. D. Anterior parapodium, segments 36; E. Abdominal neuropodia, posterior end 28; F. Uncini, segment 29; G. Uncinus, segment 17. Abbreviations: Bf, branchial filaments; Bt, buccal tentacles.
</paragraph>
</caption>
<caption id="DF77667EFFCCFFC8FF2382A8F905FC13" ID-DOI="http://doi.org/10.5281/zenodo.14896454" ID-Zenodo-Dep="14896454" httpUri="https://zenodo.org/record/14896454/files/figure.png" pageId="14" pageNumber="264" startId="14.[151,250,932,956]" targetBox="[154,1433,181,900]" targetPageId="14" targetType="figure">
<paragraph id="8BB736F6FFCCFFC8FF2382A8F905FC13" blockId="14.[151,1436,932,992]" pageId="14" pageNumber="264">
<emphasis id="B97CEAE4FFCCFFC8FF2382A8FC31FC4F" bold="true" box="[151,277,932,956]" pageId="14" pageNumber="264">FIGURE 7.</emphasis>
Maximum likelihood tree of
<taxonomicName id="4C084D75FFCCFFC8FDFD82A8FFD1FC4F" box="[585,757,932,956]" pageId="14" pageNumber="264">
<emphasis id="B97CEAE4FFCCFFC8FDFD82A8FF80FC4F" box="[585,676,932,956]" italics="true" pageId="14" pageNumber="264">Thelepus</emphasis>
species
</taxonomicName>
based on 16S sequences. Asterisks indicate the bootstrap support values of the ML analysis&gt;80%. Text in red indicates specimens sequenced in this study.
</paragraph>
</caption>
<caption id="DF77667EFFCCFFC8FF2387CEF905F90D" ID-DOI="http://doi.org/10.5281/zenodo.14896456" ID-Zenodo-Dep="14896456" httpUri="https://zenodo.org/record/14896456/files/figure.png" pageId="14" pageNumber="264" startId="14.[151,250,1730,1754]" targetBox="[154,1424,1052,1698]" targetPageId="14" targetType="figure">
<paragraph id="8BB736F6FFCCFFC8FF2387CEF905F90D" blockId="14.[151,1436,1730,1790]" pageId="14" pageNumber="264">
<emphasis id="B97CEAE4FFCCFFC8FF2387CEFC30F929" bold="true" box="[151,276,1730,1754]" pageId="14" pageNumber="264">FIGURE 8.</emphasis>
Maximum likelihood tree of
<taxonomicName id="4C084D75FFCCFFC8FDF387CEFFD7F929" box="[583,755,1730,1754]" pageId="14" pageNumber="264">
<emphasis id="B97CEAE4FFCCFFC8FDF387CEFF86F929" box="[583,674,1730,1754]" italics="true" pageId="14" pageNumber="264">Thelepus</emphasis>
species
</taxonomicName>
based on COI sequences. Asterisks indicate the bootstrap support values of the ML analysis&gt;75%. Text in red indicates specimens sequenced in this study.
</paragraph>
</caption>
<paragraph id="8BB736F6FFCCFFC9FF73865DF860FCE6" blockId="14.[151,1437,1873,2043]" lastBlockId="15.[151,1437,151,789]" lastPageId="15" lastPageNumber="265" pageId="14" pageNumber="264">
The molecular results allow us to confirm the presence of
<taxonomicName id="4C084D75FFCCFFC8FCC7865DFEC6F898" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[883,994,1873,1899]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="14" pageNumber="264" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFCCFFC8FCC7865DFEC6F898" box="[883,994,1873,1899]" italics="true" pageId="14" pageNumber="264">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFCCFFC8FC58865DF90AF898" bold="true" box="[1004,1070,1873,1899]" pageId="14" pageNumber="264">
<taxonomicNameLabel id="A24F579FFFCCFFC8FC58865DF90AF898" box="[1004,1070,1873,1899]" pageId="14" pageNumber="264" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
in several localities in
<collectingCountry id="F31F7666FFCCFFC8FAF5865DF8BDF898" box="[1345,1433,1873,1899]" name="Canada" pageId="14" pageNumber="264">Canada</collectingCountry>
. The intraspecific distances (K2P) between the SPM specimens and the Canadian specimens observed are 0% for both COI and 16S. The 16S sequences of
<taxonomicName id="4C084D75FFCCFFC8FDCF8695FFCDF840" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[635,745,1945,1971]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="14" pageNumber="264" phylum="Annelida" rank="species" species="recheri" status="n. sp.">
<emphasis id="B97CEAE4FFCCFFC8FDCF8695FFCDF840" box="[635,745,1945,1971]" italics="true" pageId="14" pageNumber="264">T. recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFCCFFC8FD468695FE16F840" bold="true" box="[754,818,1945,1971]" pageId="14" pageNumber="264">
<taxonomicNameLabel id="A24F579FFFCCFFC8FD468695FE16F840" box="[754,818,1945,1971]" pageId="14" pageNumber="264" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
are very different (K2P: 7.6%) from a sequence of
<taxonomicName id="4C084D75FFCCFFC8FA3C8695FC3CF825" baseAuthorityName="Fabricius" baseAuthorityYear="1780" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="14" pageNumber="264" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFCCFFC8FA3C8695FC3CF825" italics="true" pageId="14" pageNumber="264">T. cincinnatus</emphasis>
</taxonomicName>
from Trondheim in
<collectingCountry id="F31F7666FFCCFFC8FDBC86B1FF46F824" box="[520,610,1981,2007]" name="Norway" pageId="14" pageNumber="264">Norway</collectingCountry>
(GenBank accession number
<accessionNumber id="945BAB15FFCCFFC8FC0A86B0F919F825" box="[958,1085,1980,2006]" httpUri="https://www.ebi.ac.uk/ena/browser/api/embl/DQ779636" pageId="14" pageNumber="264">DQ779636</accessionNumber>
,
<figureCitation id="13332A73FFCCFFC8FBFF86B1F9B5F824" box="[1099,1169,1981,2007]" captionStart="FIGURE 7" captionStartId="14.[151,250,932,956]" captionTargetBox="[154,1433,181,900]" captionTargetId="figure-18@14.[151,1436,179,906]" captionTargetPageId="14" captionText="FIGURE 7. Maximum likelihood tree of Thelepus species based on 16S sequences. Asterisks indicate the bootstrap support values of the ML analysis&gt;80%. Text in red indicates specimens sequenced in this study." figureDoi="http://doi.org/10.5281/zenodo.14896454" httpUri="https://zenodo.org/record/14896454/files/figure.png" pageId="14" pageNumber="264">Fig. 7</figureCitation>
) (
<bibRefCitation id="EF994B07FFCCFFC8FB1E86B1F8B4F824" author="Rousset, V. &amp; Pleijel, F. &amp; Rouse G. W. &amp; Erseus, C. &amp; Siddall, M. E." box="[1194,1424,1981,2007]" pageId="14" pageNumber="264" refId="ref11118" refString="Rousset, V., Pleijel, F., Rouse G. W., Erseus, C. &amp; Siddall, M. E. (2007) A molecular phylogeny of annelids. Cladistics, 23," type="journal volume" year="2007">
Rousset
<emphasis id="B97CEAE4FFCCFFC8FABB86B1F86EF824" box="[1295,1354,1981,2007]" italics="true" pageId="14" pageNumber="264">et al.</emphasis>
2007
</bibRefCitation>
), but once again we have no certainty that this has been correctly identified. The type species of the genus,
<taxonomicName id="4C084D75FFCCFFC9FA8386EDFCC1FF42" authority="(Fabricius, 1780)" baseAuthorityName="Fabricius" baseAuthorityYear="1780" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" lastPageId="15" lastPageNumber="265" order="Terebellida" pageId="14" pageNumber="264" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFCCFFC9FA8386EDFC3CFF43" italics="true" lastPageId="15" lastPageNumber="265" pageId="14" pageNumber="264">Thelepus cincinnatus</emphasis>
(
<bibRefCitation id="EF994B07FFCDFFC9FE9C819BFCF9FF42" author="Fabricius, O." box="[296,477,151,177]" pageId="15" pageNumber="265" refId="ref8397" refString="Fabricius, O. (1780) Fauna Groenlandica, systematice sistens, Animalia Groenlandiae occidentalis hactenus indagata, quoad nomen specificum, triviale, vernaculumque synonyma auctorum plurium, descriptionem, locum, victum, generationem, mores, usum, capturamque singuli prout detegendi occasio fuit, maximaque parte secundum proprias observations. Impensis Ioannis Gottlob Rothe, Hafniae [Copenhagen] et Lipsiae [Leipzig], 449 pp. https://doi.org/10.5962/bhl.title.13489" type="book" year="1780">Fabricius, 1780</bibRefCitation>
)
</taxonomicName>
, has long been considered as a cosmopolitan species with a worldwide distribution. The democratisation of molecular tools has led to major advances in our understanding of geographical distributions and has highlighted that many cosmopolitan species are actually complexes of cryptic or pseudo-cryptic species (
<bibRefCitation id="EF994B07FFCDFFC9FF2B800FFC5AFEEE" author="Nygren, A. &amp; Parapar, J. &amp; Pons, J. &amp; Meissner, K. &amp; Bakken, T. &amp; Kongsrud, J. A. &amp; Oug, E. &amp; Gaeva, D. &amp; Sikorski, A. &amp; Johansen, R. A. &amp; Hutchings, P. &amp; Lavesque, N. &amp; Capa, M." box="[159,382,259,285]" pageId="15" pageNumber="265" refId="ref10699" refString="Nygren, A., Parapar, J., Pons, J., Meissner, K., Bakken, T., Kongsrud, J. A., Oug, E., Gaeva, D., Sikorski, A., Johansen, R. A., Hutchings, P., Lavesque, N. &amp; Capa, M. (2018) A megacryptic species complex hidden among one of the most common annelids in the North East Atlantic. PLoS ONE, 13 (6), e 0198356. https://doi.org/10.1371/journal.pone.0198356" type="journal volume" year="2018">
Nygren
<emphasis id="B97CEAE4FFCDFFC9FF4A800FFC1DFEEE" box="[254,313,259,285]" italics="true" pageId="15" pageNumber="265">et al.</emphasis>
2018
</bibRefCitation>
;
<bibRefCitation id="EF994B07FFCDFFC9FE38800FFFFEFEEE" author="Hutchings, P. &amp; Lavesque, N." box="[396,730,259,285]" pageId="15" pageNumber="265" pagination="151 - 163" refId="ref8925" refString="Hutchings, P. &amp; Lavesque, N. (2020) I know who you are, but do others know? Why correct scientific names are so important for the biological sciences. Zoosymposia, 19, 151-163. https://doi.org/10.11646/zoosymposia.19.1.16" type="journal article" year="2020">Hutchings &amp; Lavesque 2020</bibRefCitation>
;
<bibRefCitation id="EF994B07FFCDFFC9FD5C800FFEC8FEEE" author="Lavesque, N. &amp; Hutchings, P. &amp; Londono-Mesa, M. H. &amp; Nogueira, J. M. N. N. &amp; Daffe, G. &amp; Nygren, A. &amp; Blanchet, H. &amp; Bonifacio, P. &amp; Broudin, C. &amp; Dauvin, J. C. &amp; Droual, G. &amp; Gouillieux, B. &amp; Grall, J. &amp; Guyonnet, B. &amp; Houbin, C. &amp; Humbert, S. &amp; Janson, A. L. &amp; Jourde, J. &amp; Labrune, C. &amp; Lamarque, B. &amp; Latry, L. &amp; Le Garrec, V. &amp; Pelaprat, C. &amp; Pezy, J. P. &amp; Sauriau, P. G. &amp; de Montaudouin, X." box="[744,1004,259,285]" pageId="15" pageNumber="265" pagination="108 - 156" refId="ref9805" refString="Lavesque, N., Hutchings, P., Londono-Mesa, M. H., Nogueira, J. M. N. N., Daffe, G., Nygren, A., Blanchet, H., Bonifacio, P., Broudin, C., Dauvin, J. C., Droual, G., Gouillieux, B., Grall, J., Guyonnet, B., Houbin, C., Humbert, S., Janson, A. L., Jourde, J., Labrune, C., Lamarque, B., Latry, L., Le Garrec, V., Pelaprat, C., Pezy, J. P., Sauriau, P. G. &amp; de Montaudouin, X. (2021 b) The &quot; Spaghetti Project &quot;: the final identification guide to European Terebellidae (sensu lato) (Annelida, Terebelliformia). European Journal of Taxonomy, 782, 108-156. https://doi.org/10.5852/ejt.2021.782.1593" type="journal article" year="2021">
Lavesque
<emphasis id="B97CEAE4FFCDFFC9FCE9800FFEBCFEEE" box="[861,920,259,285]" italics="true" pageId="15" pageNumber="265">et al.</emphasis>
2021b
</bibRefCitation>
). It is now accepted that such a wide distribution and variety of habitats, as for
<taxonomicName id="4C084D75FFCDFFC9FDDD802BFE21FEB3" baseAuthorityName="Fabricius" baseAuthorityYear="1780" box="[617,773,295,320]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="15" pageNumber="265" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFCDFFC9FDDD802BFE21FEB3" box="[617,773,295,320]" italics="true" pageId="15" pageNumber="265">T. cincinnatus</emphasis>
</taxonomicName>
, is unlikely. Recently, Jirkov redescribed
<taxonomicName id="4C084D75FFCDFFC9FB62802BF856FEB3" baseAuthorityName="Fabricius" baseAuthorityYear="1780" box="[1238,1394,295,320]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="15" pageNumber="265" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFCDFFC9FB62802BF856FEB3" box="[1238,1394,295,320]" italics="true" pageId="15" pageNumber="265">T. cincinnatus</emphasis>
</taxonomicName>
but while he used almost 2000 specimens from more than 100 stations, none of these stations were from the type locality, but instead covered a wide range of depths (
<quantity id="4CF09B13FFCDFFC9FD3F8063FE3CFE7A" box="[651,792,367,393]" metricMagnitude="3" metricUnit="m" metricValue="1.001" metricValueMax="2.0" metricValueMin="0.002" pageId="15" pageNumber="265" unit="m" value="1001.0" valueMax="2000.0" valueMin="2.0">2 to 2000 m</quantity>
), from the Arctic to the Mediterranean (
<bibRefCitation id="EF994B07FFCDFFC9FB6F8063F848FE7A" author="Jirkov, I." box="[1243,1388,367,393]" pageId="15" pageNumber="265" pagination="29 - 56" refId="ref9245" refString="Jirkov, I. (2018) Three new species of Thelepus from Europe and a re-description of T. cincinnatus (Fabricius, 1780) (Annelida, Terebellidae). ZooKeys, 759, 29-56. https://doi.org/10.3897/zookeys.759.22981" type="journal article" year="2018">Jirkov, 2018</bibRefCitation>
). To confirm his identification, he compared his specimens with Pettibones description of
<typeStatus id="54B38854FFCDFFC9FBD0809FF9F5FE5E" box="[1124,1233,403,429]" pageId="15" pageNumber="265" type="topotype">topotypes</typeStatus>
(
<bibRefCitation id="EF994B07FFCDFFC9FB54809FF8B4FE5E" author="Pettibone, M. H." box="[1248,1424,402,429]" pageId="15" pageNumber="265" pagination="203 - 356" refId="ref11008" refString="Pettibone, M. H. (1954) Marine polychaete worms from Point Barrow, Alaska, with additional records from the North Atlantic and North Pacific. Proceedings of the United States National Museum, 103 (3324), 203-356. https://doi.org/10.5479/si.00963801.103-3324.203" type="journal article" year="1954">Pettibone 1954</bibRefCitation>
). However, Pettibone used a large number of specimens for her description, with animals collected from both the Beaufort Sea, the east and west coasts of the
<collectingCountry id="F31F7666FFCDFFC9FD2C80D7FFEAFE06" box="[664,718,475,501]" name="United States of America" pageId="15" pageNumber="265">USA</collectingCountry>
and the type locality (eastern
<collectingCountry id="F31F7666FFCDFFC9FB9180D7F9BAFE06" box="[1061,1182,475,501]" name="Greenland" pageId="15" pageNumber="265">Greenland</collectingCountry>
), and no
<typeStatus id="54B38854FFCDFFC9FAB380D7F84DFE06" box="[1287,1385,475,501]" pageId="15" pageNumber="265" type="topotype">topotype</typeStatus>
was formally established as a name-bearing type. However, with such a wide geographical distribution, it is possible that she was dealing with several different species. Finally, in 2019, Nogueira was able to examine specimens of
<taxonomicName id="4C084D75FFCDFFC9FA3C832FFC3CFD93" baseAuthorityName="Fabricius" baseAuthorityYear="1780" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="15" pageNumber="265" phylum="Annelida" rank="species" species="cincinnatus">
<emphasis id="B97CEAE4FFCDFFC9FA3C832FFC3CFD93" italics="true" pageId="15" pageNumber="265">T. cincinnatus</emphasis>
</taxonomicName>
stored in the Naturhistoriska Riksmuseet (Swedish Museum of Natural History) in
<collectingRegion id="49CCF814FFCDFFC9FB02834BF816FD92" box="[1206,1330,583,609]" country="Sweden" name="Stockholm" pageId="15" pageNumber="265">Stockholm</collectingRegion>
,
<collectingCountry id="F31F7666FFCDFFC9FA89834BF8BDFD92" box="[1341,1433,583,609]" name="Sweden" pageId="15" pageNumber="265">Sweden</collectingCountry>
.
<specimenCount id="9D0EFD7FFFCDFFC9FF238367FC70FD76" box="[151,340,619,645]" count="3" pageId="15" pageNumber="265" type="generic">Three specimens</specimenCount>
(NRM 84944) “which apparently were intended to be designated as
<typeStatus id="54B38854FFCDFFC9FBE48367F991FD76" box="[1104,1205,619,645]" pageId="15" pageNumber="265" type="syntype">syntypes</typeStatus>
, as the lot is labelled as Type 1270 in the museums old catalogue, but that never happened” (
<bibRefCitation id="EF994B07FFCDFFC9FC688383F9AFFD5A" author="Nogueira, J. M. M." box="[988,1163,655,681]" pageId="15" pageNumber="265" pagination="419 - 428" refId="ref10583" refString="Nogueira, J. M. M. (2019) Redescriptions of Streblosoma bairdi (Malmgren, 1866) and Thelepus cincinnatus (Fabricius, 1780), based on types and material from type localities. Zootaxa, 4544 (3), 419-428. https://doi.org/10.11646/zootaxa.4544.3.7" type="journal article" year="2019">Nogueira 2019</bibRefCitation>
). These specimens were collected by O. Torell in 1859, almost 80 years after the original description (
<bibRefCitation id="EF994B07FFCDFFC9FC5E83BFF9B3FD3E" author="Fabricius, O." box="[1002,1175,691,717]" pageId="15" pageNumber="265" refId="ref8397" refString="Fabricius, O. (1780) Fauna Groenlandica, systematice sistens, Animalia Groenlandiae occidentalis hactenus indagata, quoad nomen specificum, triviale, vernaculumque synonyma auctorum plurium, descriptionem, locum, victum, generationem, mores, usum, capturamque singuli prout detegendi occasio fuit, maximaque parte secundum proprias observations. Impensis Ioannis Gottlob Rothe, Hafniae [Copenhagen] et Lipsiae [Leipzig], 449 pp. https://doi.org/10.5962/bhl.title.13489" type="book" year="1780">Fabricius 1780</bibRefCitation>
), at the same locality as the worms studied by Fabricius (
<bibRefCitation id="EF994B07FFCDFFC9FDB583DBFF91FD02" author="Nogueira, J. M. M." box="[513,693,727,753]" pageId="15" pageNumber="265" pagination="419 - 428" refId="ref10583" refString="Nogueira, J. M. M. (2019) Redescriptions of Streblosoma bairdi (Malmgren, 1866) and Thelepus cincinnatus (Fabricius, 1780), based on types and material from type localities. Zootaxa, 4544 (3), 419-428. https://doi.org/10.11646/zootaxa.4544.3.7" type="journal article" year="2019">Nogueira, 2019</bibRefCitation>
). These “Torell
<typeStatus id="54B38854FFCDFFC9FCDF83DBFEFEFD02" box="[875,986,727,753]" pageId="15" pageNumber="265" type="topotype">topotypes</typeStatus>
” and their precise description, permitted us to confirm that specimens from SPM belong to a different, undescribed, species:
<taxonomicName id="4C084D75FFCDFFC9FBF783F7F9DBFCE6" authorityName="Lavesque &amp; Pinsivy &amp; Daffe &amp; Daramy &amp; Grosse &amp; Chauvaud &amp; Hutchings" authorityYear="2025" box="[1091,1279,763,789]" class="Polychaeta" family="Thelepodidae" genus="Thelepus" kingdom="Animalia" order="Terebellida" pageId="15" pageNumber="265" phylum="Annelida" rank="species" species="recheri" status="sp. nov.">
<emphasis id="B97CEAE4FFCDFFC9FBF783F7F9DBFCE6" box="[1091,1279,763,789]" italics="true" pageId="15" pageNumber="265">Thelepus recheri</emphasis>
</taxonomicName>
<emphasis id="B97CEAE4FFCDFFC9FAB283F7F860FCE6" bold="true" box="[1286,1348,763,789]" pageId="15" pageNumber="265">
<taxonomicNameLabel id="A24F579FFFCDFFC9FAB283F7F860FCE6" box="[1286,1348,763,789]" pageId="15" pageNumber="265" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</paragraph>
</subSubSection>
</treatment>
</document>