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<treatment id="E87587E49254FFE2FDF6C773FCBC7D61" ID-GBIF-Taxon="248133397" LSID="urn:lsid:plazi:treatment:E87587E49254FFE2FDF6C773FCBC7D61" httpUri="http://treatment.plazi.org/id/E87587E49254FFE2FDF6C773FCBC7D61" lastPageId="5" lastPageNumber="5" pageId="4" pageNumber="5" scope_family="Cirratulidae" scope_phylum="Annelida">
<subSubSection id="28C665799254FFE3FDF6C773FC2D7800" box="[533,1004,540,569]" pageId="4" pageNumber="5" type="nomenclature">
<paragraph id="606336F29254FFE3FDF6C773FC2D7800" blockId="4.[533,1004,540,569]" box="[533,1004,540,569]" pageId="4" pageNumber="5">
<heading id="3B2B819E9254FFE3FDF6C773FC2D7800" box="[533,1004,540,569]" fontSize="12" level="2" pageId="4" pageNumber="5" reason="8">
<taxonomicName id="A7DC4D719254FFE3FDF6C773FC2D7800" ID-CoL="3R8JW" authority="Blake, 2016" authorityName="Blake" authorityYear="2016" box="[533,1004,540,569]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09254FFE3FDF6C773FC2D7800" bold="true" box="[533,1004,540,569]" pageId="4" pageNumber="5">
<emphasis id="52A8EAE09254FFE3FDF6C773FC8D7800" bold="true" box="[533,844,540,569]" italics="true" pageId="4" pageNumber="5">Kirkegaardia hampsoni</emphasis>
Blake, 2016
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<subSubSection id="28C665799254FFE3FDF6C721FDFE7892" pageId="4" pageNumber="5" type="description">
<paragraph id="606336F29254FFE3FDF6C721FD8B785F" blockId="4.[533,1536,590,1897]" box="[533,586,590,614]" pageId="4" pageNumber="5">
<figureCitation id="F8E72A779254FFE3FDF6C721FD8B785F" box="[533,586,590,614]" captionStart="Fig 2" captionStartId="5.[490,518,1383,1402]" captionTargetBox="[490,1536,208,1361]" captionTargetId="figure-148@5.[490,1536,208,1361]" captionTargetPageId="5" captionText="Fig 2. Kirkegaardia hampsoni. (A) anterior end, dorsal view; (B) segments of the anterior abdominal region; (C) segments of the posterior abdominal region; (D) notopodial setae in posterior region; (E) neuropodial capillary denticulated. AC (MNRJP-002966). Scale bars: 100 μm (AC). Type locality. Atlantic Ocean: Massachusetts (USA) [27]. Habitat. Fine sediments, 30150 m depth [27]. In the present study, fine sediments, mainly silt/clay, 19683 m depth. Distribution. Atlantic Ocean: Massachusetts (USA) [27]; Campos Basin (Brazil). https://doi.org/10.1371/journal.pone.0265336.g002" figureDoi="http://doi.org/10.5281/zenodo.12631073" httpUri="https://zenodo.org/record/12631073/files/figure.png" pageId="4" pageNumber="5">Fig 2</figureCitation>
</paragraph>
<paragraph id="606336F29254FFE3FDD6C71FFDFE7892" blockId="4.[533,1536,590,1897]" pageId="4" pageNumber="5">
<taxonomicName id="A7DC4D719254FFE3FDD6C71FFCF478B1" baseAuthorityName="Kirkegaard" baseAuthorityYear="1959" box="[565,821,624,648]" class="Polychaeta" family="Cirratulidae" genus="Tharyx" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="dorsobranchialis">
<emphasis id="52A8EAE09254FFE3FDD6C71FFCF478B1" box="[565,821,624,648]" italics="true" pageId="4" pageNumber="5">Tharyx dorsobranchialis</emphasis>
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: Maciolek-Blake
<emphasis id="52A8EAE09254FFE3FC0FC71EFBD678B1" box="[1004,1047,624,648]" italics="true" pageId="4" pageNumber="5">et al</emphasis>
., 1985 [
<bibRefCitation id="044D4B039254FFE3FB88C71EFB4578B0" author="Maciolek-Blake N &amp; Boehm P &amp; Hecker B &amp; Grassle JF &amp; McGrath D." box="[1131,1156,625,649]" pageId="4" pageNumber="5" refId="ref15039" refString="35. Maciolek-Blake N, Boehm P, Hecker B, Grassle JF, McGrath D. Study of biological processes on the US Mid-Atlantic slope and rise. First interim report. Report for March 1984 - February 1985. Duxbury: Battelle New England Marine Research Lab; 1985." type="journal volume" year="1985">35</bibRefCitation>
]: 75, 142, Appendix B-3, Appendix D-8
</paragraph>
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<subSubSection id="28C665799254FFE3FDD6C7D9FB5F792A" pageId="4" pageNumber="5" type="reference_group">
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<taxonomicName id="A7DC4D719254FFE3FDD6C7D9FCAC78F7" ID-CoL="44B79" baseAuthorityName="Kirkegaard" baseAuthorityYear="1959" box="[565,877,694,718]" class="Polychaeta" family="Cirratulidae" genus="Monticellina" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="dorsobranchialis">
<emphasis id="52A8EAE09254FFE3FDD6C7D9FCAC78F7" box="[565,877,694,718]" italics="true" pageId="4" pageNumber="5">Monticellina dorsobranchialis</emphasis>
</taxonomicName>
: Blake 1991 [
<bibRefCitation id="044D4B039254FFE3FC19C7D9FBD278F7" author="Blake JA" box="[1018,1043,694,718]" pageId="4" pageNumber="5" pagination="17 - 30" refId="ref14703" refString="27. Blake JA. Revision of some genera and species of Cirratulidae (Polychaeta) from the western North Atlantic. Ophelia supplement. 1991; 5: 17 - 30." type="journal article" year="1991">27</bibRefCitation>
] (In part); Hilbig &amp; Blake 2000 [
<bibRefCitation id="044D4B039254FFE3FA8EC7D9FA4778F7" author="Hilbig B &amp; Blake JA" box="[1389,1414,694,718]" pageId="4" pageNumber="5" pagination="147 - 164" refId="ref15091" refString="36. Hilbig B, Blake JA. Long-term analysis of polychaete-dominated benthic infaunal communities in Massachusetts Bay, USA. Bulletin of Marine Science. 2000; 67: 147 - 164." type="journal article" year="2000">36</bibRefCitation>
]: 162. Not Kirkegaard 1959.
</paragraph>
<paragraph id="606336F29254FFE3FDD6C794FB5F792A" blockId="4.[533,1536,590,1897]" box="[565,1182,763,787]" pageId="4" pageNumber="5">
<taxonomicName id="A7DC4D719254FFE3FDD6C794FCED792A" ID-CoL="3R8JW" authorityName="Blake" authorityYear="2016" box="[565,812,763,787]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09254FFE3FDD6C794FCED792A" box="[565,812,763,787]" italics="true" pageId="4" pageNumber="5">Kirkegaardia hampsoni</emphasis>
</taxonomicName>
: Blake 2016 [
<bibRefCitation id="044D4B039254FFE3FC5AC794FC13792A" author="Blake JA" box="[953,978,763,787]" pageId="4" pageNumber="5" pagination="1 - 93" refId="ref14509" refString="22. Blake JA. Kirkegaardia (Polychaeta, Cirratulidae), new name for Monticellina Laubier, preoccupied in the Rhabdocoela, together with new records and descriptions of eight previously known and sixteen new species from the Atlantic, Pacific, and Southern Oceans. Zootaxa. 2016; 4166: 1 - 93. https: // doi. org / 10.11646 / zootaxa. 4166.1.1 PMID: 27701359" type="journal article" year="2016">22</bibRefCitation>
]: p. 28, figs. 1213.
</paragraph>
</subSubSection>
<subSubSection id="28C665799254FFE3FDD6C671FA357942" pageId="4" pageNumber="5" type="materials_examined">
<paragraph id="606336F29254FFE3FDD6C671FA357942" blockId="4.[533,1536,590,1897]" pageId="4" pageNumber="5">
Material examined.
<collectingCountry id="18CB76629254FFE3FCE1C671FC9D790F" box="[770,860,798,822]" name="Brazil" pageId="4" pageNumber="5">BRAZIL</collectingCountry>
: Campos Basin-19.62828611˚S -39.59208889˚W,
<quantity id="A7249B179254FFE3FA80C671FA59790F" box="[1379,1432,798,822]" metricMagnitude="1" metricUnit="m" metricValue="3.5" pageId="4" pageNumber="5" unit="m" value="35.0">35 m</quantity>
, 15/07/ 11, one ind., (MNRJP-002966); -19.58677500˚S -39.64254444˚W,
<quantity id="A7249B179254FFE3FB54C62EFB2D7960" box="[1207,1260,833,857]" metricMagnitude="1" metricUnit="m" metricValue="2.9" pageId="4" pageNumber="5" unit="m" value="29.0">29 m</quantity>
, 12/12/10, two ind., (MNRJP-002967); -19.87490556˚S -39.81891667˚W,
<quantity id="A7249B179254FFE3FBD0C60CFBA87942" box="[1075,1129,867,891]" metricMagnitude="1" metricUnit="m" metricValue="4.2" pageId="4" pageNumber="5" unit="m" value="42.0">42 m</quantity>
, 16/07/11, one ind., (MNRJP-002968).
</paragraph>
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<paragraph id="606336F29254FFE3FDD6C6E9FCDE7FBD" blockId="4.[533,1536,590,1897]" pageId="4" pageNumber="5">
Description. Largest individual with 58 setigers,
<quantity id="A7249B179254FFE3FBD7C6E9FB4479A7" box="[1076,1157,902,926]" metricMagnitude="-3" metricUnit="m" metricValue="2.3" pageId="4" pageNumber="5" unit="mm" value="2.3">2.3 mm</quantity>
long, thoracic region
<quantity id="A7249B179254FFE3FA8EC6E9FA0A79A7" box="[1389,1483,902,926]" metricMagnitude="-5" metricUnit="m" metricValue="9.0" pageId="4" pageNumber="5" unit="mm" value="0.09">0.09 mm</quantity>
wide and
<quantity id="A7249B179254FFE3FD9FC6C6FD0C79F8" box="[636,717,937,961]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="4" pageNumber="5" unit="mm" value="0.2">0.2 mm</quantity>
high, abdominal region
<quantity id="A7249B179254FFE3FC31C6C6FBEE79F8" box="[978,1071,937,961]" metricMagnitude="-4" metricUnit="m" metricValue="1.1" pageId="4" pageNumber="5" unit="mm" value="0.11">0.11 mm</quantity>
wide. All specimens incomplete. Prostomium triangular (
<figureCitation id="F8E72A779254FFE3FD36C6A4FCDA79DA" box="[725,795,971,995]" captionStart="Fig 2" captionStartId="5.[490,518,1383,1402]" captionTargetBox="[490,1536,208,1361]" captionTargetId="figure-148@5.[490,1536,208,1361]" captionTargetPageId="5" captionText="Fig 2. Kirkegaardia hampsoni. (A) anterior end, dorsal view; (B) segments of the anterior abdominal region; (C) segments of the posterior abdominal region; (D) notopodial setae in posterior region; (E) neuropodial capillary denticulated. AC (MNRJP-002966). Scale bars: 100 μm (AC). Type locality. Atlantic Ocean: Massachusetts (USA) [27]. Habitat. Fine sediments, 30150 m depth [27]. In the present study, fine sediments, mainly silt/clay, 19683 m depth. Distribution. Atlantic Ocean: Massachusetts (USA) [27]; Campos Basin (Brazil). https://doi.org/10.1371/journal.pone.0265336.g002" figureDoi="http://doi.org/10.5281/zenodo.12631073" httpUri="https://zenodo.org/record/12631073/files/figure.png" pageId="4" pageNumber="5">Fig 2A</figureCitation>
). Eyes absent, nuchal organs not observed. Peristomium smooth, elongated with 12 rings. Peristomium with dorsal crest extending from peristomium to first thoracic setiger (
<figureCitation id="F8E72A779254FFE3FD25C17EFCCC7E10" box="[710,781,1041,1065]" captionStart="Fig 2" captionStartId="5.[490,518,1383,1402]" captionTargetBox="[490,1536,208,1361]" captionTargetId="figure-148@5.[490,1536,208,1361]" captionTargetPageId="5" captionText="Fig 2. Kirkegaardia hampsoni. (A) anterior end, dorsal view; (B) segments of the anterior abdominal region; (C) segments of the posterior abdominal region; (D) notopodial setae in posterior region; (E) neuropodial capillary denticulated. AC (MNRJP-002966). Scale bars: 100 μm (AC). Type locality. Atlantic Ocean: Massachusetts (USA) [27]. Habitat. Fine sediments, 30150 m depth [27]. In the present study, fine sediments, mainly silt/clay, 19683 m depth. Distribution. Atlantic Ocean: Massachusetts (USA) [27]; Campos Basin (Brazil). https://doi.org/10.1371/journal.pone.0265336.g002" figureDoi="http://doi.org/10.5281/zenodo.12631073" httpUri="https://zenodo.org/record/12631073/files/figure.png" pageId="4" pageNumber="5">Fig 2A</figureCitation>
). Dorsal tentacles inserted in posterior margin of peristomium; first pair of branchiae postero-lateral to the tentacles, second pair located in first setiger; branchiae visible up to abdominal region (
<figureCitation id="F8E72A779254FFE3FC8BC139FC6F7E57" box="[872,942,1110,1134]" captionStart="Fig 2" captionStartId="5.[490,518,1383,1402]" captionTargetBox="[490,1536,208,1361]" captionTargetId="figure-148@5.[490,1536,208,1361]" captionTargetPageId="5" captionText="Fig 2. Kirkegaardia hampsoni. (A) anterior end, dorsal view; (B) segments of the anterior abdominal region; (C) segments of the posterior abdominal region; (D) notopodial setae in posterior region; (E) neuropodial capillary denticulated. AC (MNRJP-002966). Scale bars: 100 μm (AC). Type locality. Atlantic Ocean: Massachusetts (USA) [27]. Habitat. Fine sediments, 30150 m depth [27]. In the present study, fine sediments, mainly silt/clay, 19683 m depth. Distribution. Atlantic Ocean: Massachusetts (USA) [27]; Campos Basin (Brazil). https://doi.org/10.1371/journal.pone.0265336.g002" figureDoi="http://doi.org/10.5281/zenodo.12631073" httpUri="https://zenodo.org/record/12631073/files/figure.png" pageId="4" pageNumber="5">Fig 2A</figureCitation>
). Thoracic region narrow with 912 setigers (
<figureCitation id="F8E72A779254FFE3FA77C139FA1B7E57" box="[1428,1498,1110,1134]" captionStart="Fig 2" captionStartId="5.[490,518,1383,1402]" captionTargetBox="[490,1536,208,1361]" captionTargetId="figure-148@5.[490,1536,208,1361]" captionTargetPageId="5" captionText="Fig 2. Kirkegaardia hampsoni. (A) anterior end, dorsal view; (B) segments of the anterior abdominal region; (C) segments of the posterior abdominal region; (D) notopodial setae in posterior region; (E) neuropodial capillary denticulated. AC (MNRJP-002966). Scale bars: 100 μm (AC). Type locality. Atlantic Ocean: Massachusetts (USA) [27]. Habitat. Fine sediments, 30150 m depth [27]. In the present study, fine sediments, mainly silt/clay, 19683 m depth. Distribution. Atlantic Ocean: Massachusetts (USA) [27]; Campos Basin (Brazil). https://doi.org/10.1371/journal.pone.0265336.g002" figureDoi="http://doi.org/10.5281/zenodo.12631073" httpUri="https://zenodo.org/record/12631073/files/figure.png" pageId="4" pageNumber="5">Fig 2A</figureCitation>
); dorsal parapodia expanded in thoracic region, forming a mid-dorsal groove, dorsal thoracic groove with elevated narrow mid-dorsal ridge. Abdominal region narrow with anterior segments longer than medial abdominal segments (
<figureCitation id="F8E72A779254FFE3FBF6C1D1FB6A7EEF" box="[1045,1195,1214,1238]" captionStart="Fig 2" captionStartId="5.[490,518,1383,1402]" captionTargetBox="[490,1536,208,1361]" captionTargetId="figure-148@5.[490,1536,208,1361]" captionTargetPageId="5" captionText="Fig 2. Kirkegaardia hampsoni. (A) anterior end, dorsal view; (B) segments of the anterior abdominal region; (C) segments of the posterior abdominal region; (D) notopodial setae in posterior region; (E) neuropodial capillary denticulated. AC (MNRJP-002966). Scale bars: 100 μm (AC). Type locality. Atlantic Ocean: Massachusetts (USA) [27]. Habitat. Fine sediments, 30150 m depth [27]. In the present study, fine sediments, mainly silt/clay, 19683 m depth. Distribution. Atlantic Ocean: Massachusetts (USA) [27]; Campos Basin (Brazil). https://doi.org/10.1371/journal.pone.0265336.g002" figureDoi="http://doi.org/10.5281/zenodo.12631073" httpUri="https://zenodo.org/record/12631073/files/figure.png" pageId="4" pageNumber="5">Fig 2B and 2C</figureCitation>
). Parapodia reduced with poorly developed lobes, barely visible with light microscopy. Thoracic parapodia with 45 noto- and neuropodial smooth capillary setae per segment. Abdominal segments with 45 noto- and neuropodial smooth capillaries and denticulate setae per segment (
<figureCitation id="F8E72A779254FFE3FAA4C049FA1E7F07" box="[1351,1503,1318,1342]" captionStart="Fig 2" captionStartId="5.[490,518,1383,1402]" captionTargetBox="[490,1536,208,1361]" captionTargetId="figure-148@5.[490,1536,208,1361]" captionTargetPageId="5" captionText="Fig 2. Kirkegaardia hampsoni. (A) anterior end, dorsal view; (B) segments of the anterior abdominal region; (C) segments of the posterior abdominal region; (D) notopodial setae in posterior region; (E) neuropodial capillary denticulated. AC (MNRJP-002966). Scale bars: 100 μm (AC). Type locality. Atlantic Ocean: Massachusetts (USA) [27]. Habitat. Fine sediments, 30150 m depth [27]. In the present study, fine sediments, mainly silt/clay, 19683 m depth. Distribution. Atlantic Ocean: Massachusetts (USA) [27]; Campos Basin (Brazil). https://doi.org/10.1371/journal.pone.0265336.g002" figureDoi="http://doi.org/10.5281/zenodo.12631073" httpUri="https://zenodo.org/record/12631073/files/figure.png" pageId="4" pageNumber="5">Fig 2D and 2E</figureCitation>
). Denticulate neurosetae present from the setiger 17. Noto- and neurosetae with well-developed denticles along one edge.
</paragraph>
</subSubSection>
<subSubSection id="28C665799254FFE2FDD6C0E1FCBC7D61" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5" type="discussion">
<paragraph id="606336F29254FFE2FDD6C0E1FCBC7D61" blockId="4.[533,1536,590,1897]" lastBlockId="5.[533,1536,1579,1880]" lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
Remarks. The specimens from the Campos Basin are similar to the
<typeStatus id="BF6788509254FFE3FB1FC0E1FAE87F9F" box="[1276,1321,1422,1446]" pageId="4" pageNumber="5">type</typeStatus>
specimens of
<taxonomicName id="A7DC4D719254FFE3FA5DC0E1FC907FF0" authority="Blake, 2016" authorityName="Blake" authorityYear="2016" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09254FFE3FA5DC0E1FD137FF1" italics="true" pageId="4" pageNumber="5">Kirkegaardia hampsoni</emphasis>
Blake, 2016
</taxonomicName>
[
<bibRefCitation id="044D4B039254FFE3FC83C0DEFCB87FF0" author="Blake JA" box="[864,889,1457,1481]" pageId="4" pageNumber="5" pagination="1 - 93" refId="ref14509" refString="22. Blake JA. Kirkegaardia (Polychaeta, Cirratulidae), new name for Monticellina Laubier, preoccupied in the Rhabdocoela, together with new records and descriptions of eight previously known and sixteen new species from the Atlantic, Pacific, and Southern Oceans. Zootaxa. 2016; 4166: 1 - 93. https: // doi. org / 10.11646 / zootaxa. 4166.1.1 PMID: 27701359" type="journal article" year="2016">22</bibRefCitation>
], described for
<collectingRegion id="A218F8109254FFE3FBFCC0DEFB767FF0" box="[1055,1207,1457,1481]" country="United States of America" name="Massachusetts" pageId="4" pageNumber="5">Massachusetts</collectingRegion>
(
<collectingCountry id="18CB76629254FFE3FB27C0DEFB3D7FF0" box="[1220,1276,1457,1481]" name="United States of America" pageId="4" pageNumber="5">USA</collectingCountry>
), by having an elongated, smooth peristomium, a dorsal peristomial crest that extends from the final portion prostomium to the first thoracic setiger, and a mid-dorsal channel or thoracic groove; the region closer to the prostomium that has one or two rings. Specimens from the Campos Basin are similar to
<taxonomicName id="A7DC4D719254FFE3FD44C353FCEA7C6A" authorityName="Blake" authorityYear="2016" box="[679,811,1595,1620]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09254FFE3FD44C353FD797C6A" box="[679,696,1596,1619]" italics="true" pageId="4" pageNumber="5">K</emphasis>
.
<emphasis id="52A8EAE09254FFE3FD27C354FCEA7C6A" box="[708,811,1595,1619]" italics="true" pageId="4" pageNumber="5">hampsoni</emphasis>
</taxonomicName>
in having the dorsal tentacles inserted in the posterior portion of the peristomium and by having the first pair of branchiae inserted lateral to the dorsal tentacles on the peristomium, and with the second pair of branchiae arising from the first setiger.
<taxonomicName id="A7DC4D719254FFE3FA5FC3EEFDBD7C82" authorityName="Blake" authorityYear="2016" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09254FFE3FA5FC3EEFA0C7CA1" box="[1468,1485,1665,1688]" italics="true" pageId="4" pageNumber="5">K</emphasis>
.
<emphasis id="52A8EAE09254FFE3FDF6C3CCFDBD7C82" box="[533,636,1699,1723]" italics="true" pageId="4" pageNumber="5">hampsoni</emphasis>
</taxonomicName>
from the Campos Basin also has a narrow ridge in the middle of the dorsal thoracic groove, and the medial abdominal segments are increasingly shorter and wider as in
<taxonomicName id="A7DC4D719254FFE3FA76C3A8FD817D39" authorityName="Blake" authorityYear="2016" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09254FFE3FA76C3A8FA677CE7" box="[1429,1446,1735,1758]" italics="true" pageId="4" pageNumber="5">K</emphasis>
.
<emphasis id="52A8EAE09254FFE3FA51C3A9FD817D39" italics="true" pageId="4" pageNumber="5">hampsoni</emphasis>
</taxonomicName>
.
<taxonomicName id="A7DC4D719254FFE3FDAFC386FD117D39" authorityName="Blake" authorityYear="2016" box="[588,720,1768,1793]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09254FFE3FDAFC386FD9C7D39" box="[588,605,1769,1792]" italics="true" pageId="4" pageNumber="5">K</emphasis>
.
<emphasis id="52A8EAE09254FFE3FD8AC387FD117D39" box="[617,720,1768,1792]" italics="true" pageId="4" pageNumber="5">hampsoni</emphasis>
</taxonomicName>
specimens from the Campos Basin differ in having between 912 thoracic setigers, instead of 1015 thoracic setigers as described by Blake [
<bibRefCitation id="044D4B039254FFE3FB26C264FB1F7D1A" author="Blake JA" box="[1221,1246,1803,1827]" pageId="4" pageNumber="5" pagination="17 - 30" refId="ref14703" refString="27. Blake JA. Revision of some genera and species of Cirratulidae (Polychaeta) from the western North Atlantic. Ophelia supplement. 1991; 5: 17 - 30." type="journal article" year="1991">27</bibRefCitation>
]. The presence of a peristomial ridge
<taxonomicName id="A7DC4D719254FFE3FD45C240FCEB7D7F" authorityName="Blake" authorityYear="2016" box="[678,810,1838,1862]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09254FFE3FD45C240FD767D7F" box="[678,695,1839,1862]" italics="true" pageId="4" pageNumber="5">K</emphasis>
.
<emphasis id="52A8EAE09254FFE3FD20C241FCEB7D7F" box="[707,810,1838,1862]" italics="true" pageId="4" pageNumber="5">hampsoni</emphasis>
</taxonomicName>
places the species in the
<taxonomicName id="A7DC4D719254FFE3FBD3C241FA3B7D7F" box="[1072,1530,1838,1862]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="dorsobranchialis-heterochaeta">
<emphasis id="52A8EAE09254FFE3FBD3C241FA3B7D7F" box="[1072,1530,1838,1862]" italics="true" pageId="4" pageNumber="5">Kirkegaardia dorsobranchialis-heterochaeta</emphasis>
</taxonomicName>
group as defined by Blake [
<bibRefCitation id="044D4B039254FFE3FCD6C23EFC8F7D50" author="Blake JA" box="[821,846,1873,1897]" pageId="4" pageNumber="5" pagination="1 - 93" refId="ref14509" refString="22. Blake JA. Kirkegaardia (Polychaeta, Cirratulidae), new name for Monticellina Laubier, preoccupied in the Rhabdocoela, together with new records and descriptions of eight previously known and sixteen new species from the Atlantic, Pacific, and Southern Oceans. Zootaxa. 2016; 4166: 1 - 93. https: // doi. org / 10.11646 / zootaxa. 4166.1.1 PMID: 27701359" type="journal article" year="2016">22</bibRefCitation>
], which includes:
<taxonomicName id="A7DC4D719254FFE3FBEDC23EFB4A7D51" baseAuthorityName="Hartman" baseAuthorityYear="1965" box="[1038,1163,1872,1897]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="annulosa">
<emphasis id="52A8EAE09254FFE3FBEDC23EFBDE7D51" box="[1038,1055,1873,1896]" italics="true" pageId="4" pageNumber="5">K</emphasis>
.
<emphasis id="52A8EAE09254FFE3FBC8C23FFB4A7D51" box="[1067,1163,1872,1896]" italics="true" pageId="4" pageNumber="5">annulosa</emphasis>
</taxonomicName>
,
<taxonomicName id="A7DC4D719254FFE3FB74C23EFAC37D51" authorityName="Blake" authorityYear="2016" box="[1175,1282,1873,1897]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="cristata">
<emphasis id="52A8EAE09254FFE3FB74C23EFB697D51" box="[1175,1192,1873,1896]" italics="true" pageId="4" pageNumber="5">K</emphasis>
.
<emphasis id="52A8EAE09254FFE3FB57C23EFAC37D51" box="[1204,1282,1873,1896]" italics="true" pageId="4" pageNumber="5">cristata</emphasis>
</taxonomicName>
,
<taxonomicName id="A7DC4D719254FFE3FAEDC23EFABD7D51" authorityName="Blake" authorityYear="2016" box="[1294,1404,1872,1897]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="kladara">
<emphasis id="52A8EAE09254FFE3FAEDC23EFADE7D51" box="[1294,1311,1873,1896]" italics="true" pageId="4" pageNumber="5">K</emphasis>
.
<emphasis id="52A8EAE09254FFE3FAC8C23FFABD7D51" box="[1323,1404,1872,1896]" italics="true" pageId="4" pageNumber="5">kladara</emphasis>
</taxonomicName>
and
<taxonomicName id="A7DC4D719254FFE2FA53C23EFDBD7C7A" authorityName="Blake" authorityYear="2016" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" lastPageId="5" lastPageNumber="6" order="Terebellida" pageId="4" pageNumber="5" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09254FFE3FA53C23EFA007D51" box="[1456,1473,1873,1896]" italics="true" pageId="4" pageNumber="5">K</emphasis>
.
<emphasis id="52A8EAE09255FFE2FDF6C344FDBD7C7A" box="[533,636,1579,1603]" italics="true" pageId="5" pageNumber="6">hampsoni</emphasis>
</taxonomicName>
. The present work represents the record of
<taxonomicName id="A7DC4D719255FFE2FBA9C343FB0F7C7A" authorityName="Blake" authorityYear="2016" box="[1098,1230,1579,1603]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09255FFE2FBA9C343FB9A7C7A" box="[1098,1115,1580,1603]" italics="true" pageId="5" pageNumber="6">K</emphasis>
.
<emphasis id="52A8EAE09255FFE2FB84C344FB0F7C7A" box="[1127,1230,1579,1603]" italics="true" pageId="5" pageNumber="6">hampsoni</emphasis>
</taxonomicName>
for the South Atlantic Ocean.
<taxonomicName id="A7DC4D719255FFE2FD85C321FD2B7C5C" authorityName="Blake" authorityYear="2016" box="[614,746,1613,1638]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09255FFE2FD85C321FDB67C5C" box="[614,631,1614,1637]" italics="true" pageId="5" pageNumber="6">K</emphasis>
.
<emphasis id="52A8EAE09255FFE2FD60C322FD2B7C5C" box="[643,746,1613,1637]" italics="true" pageId="5" pageNumber="6">hampsoni</emphasis>
</taxonomicName>
, was found between
<quantity id="A7249B179255FFE2FC24C321FB827C5F" box="[967,1091,1614,1638]" metricMagnitude="1" metricUnit="m" metricValue="7.0" metricValueMax="12.1" metricValueMin="1.9" pageId="5" pageNumber="6" unit="m" value="70.0" valueMax="121.0" valueMin="19.0">19 to 121 m</quantity>
in the Campos Basin whereas Blake [
<bibRefCitation id="044D4B039255FFE2FA2CC321FA297C5F" author="Blake JA" box="[1487,1512,1614,1638]" pageId="5" pageNumber="6" pagination="17 - 30" refId="ref14703" refString="27. Blake JA. Revision of some genera and species of Cirratulidae (Polychaeta) from the western North Atlantic. Ophelia supplement. 1991; 5: 17 - 30." type="journal article" year="1991">27</bibRefCitation>
] records
<taxonomicName id="A7DC4D719255FFE2FD88C31EFD2E7CB1" authorityName="Blake" authorityYear="2016" box="[619,751,1648,1672]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09255FFE2FD88C31EFDBD7CB1" box="[619,636,1649,1672]" italics="true" pageId="5" pageNumber="6">K</emphasis>
.
<emphasis id="52A8EAE09255FFE2FD6BC31FFD2E7CB1" box="[648,751,1648,1672]" italics="true" pageId="5" pageNumber="6">hampsoni</emphasis>
</taxonomicName>
from between
<quantity id="A7249B179255FFE2FC6DC31FFBCD7CB1" box="[910,1036,1648,1672]" metricMagnitude="1" metricUnit="m" metricValue="9.0" metricValueMax="15.0" metricValueMin="3.0" pageId="5" pageNumber="6" unit="m" value="90.0" valueMax="150.0" valueMin="30.0">
30 to
<specimenCount id="76DAFD7B9255FFE2FC2BC31FFBD17CB1" box="[968,1040,1648,1672]" count="150" pageId="5" pageNumber="6" type="generic">150 m.</specimenCount>
</quantity>
According to Blake [
<bibRefCitation id="044D4B039255FFE2FB13C31FFAC87CB1" author="Blake JA" box="[1264,1289,1648,1672]" pageId="5" pageNumber="6" pagination="1 - 93" refId="ref14509" refString="22. Blake JA. Kirkegaardia (Polychaeta, Cirratulidae), new name for Monticellina Laubier, preoccupied in the Rhabdocoela, together with new records and descriptions of eight previously known and sixteen new species from the Atlantic, Pacific, and Southern Oceans. Zootaxa. 2016; 4166: 1 - 93. https: // doi. org / 10.11646 / zootaxa. 4166.1.1 PMID: 27701359" type="journal article" year="2016">22</bibRefCitation>
]
<taxonomicName id="A7DC4D719255FFE2FAFAC31EFA5C7CB1" authorityName="Blake" authorityYear="2016" box="[1305,1437,1648,1672]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09255FFE2FAFAC31EFAEB7CB1" box="[1305,1322,1649,1672]" italics="true" pageId="5" pageNumber="6">K</emphasis>
.
<emphasis id="52A8EAE09255FFE2FAD5C31FFA5C7CB1" box="[1334,1437,1648,1672]" italics="true" pageId="5" pageNumber="6">hampsoni</emphasis>
</taxonomicName>
was registered locally as
<taxonomicName id="A7DC4D719255FFE2FD24C3FCFCD27C92" authorityName="Webster &amp; Benedict" authorityYear="1887" box="[711,787,1683,1707]" class="Polychaeta" family="Cirratulidae" genus="Tharyx" kingdom="Animalia" order="Terebellida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="52A8EAE09255FFE2FD24C3FCFCD27C92" box="[711,787,1683,1707]" italics="true" pageId="5" pageNumber="6">Tharyx</emphasis>
</taxonomicName>
and/or
<taxonomicName id="A7DC4D719255FFE2FC84C3FCFB5E7C92" baseAuthorityName="Kirkegaard" baseAuthorityYear="1959" box="[871,1183,1683,1707]" class="Polychaeta" family="Cirratulidae" genus="Monticellina" kingdom="Animalia" order="Terebellida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="dorsobranchialis">
<emphasis id="52A8EAE09255FFE2FC84C3FCFB5E7C92" box="[871,1183,1683,1707]" italics="true" pageId="5" pageNumber="6">Monticellina dorsobranchialis</emphasis>
</taxonomicName>
at various locations on the continental shelf of the
<collectionCode id="06CDAE379255FFE2FD34C3D9FD367CF7" box="[727,759,1718,1742]" country="South Africa" name="University of Stellenbosch" pageId="5" pageNumber="6">US</collectionCode>
Atlantic, from the Gulf of
<collectingRegion id="A218F8109255FFE2FBF2C3D9FB947CF7" box="[1041,1109,1718,1742]" country="United States of America" name="Maine" pageId="5" pageNumber="6">Maine</collectingRegion>
to the mid-Atlantic, the Campos Basin record points out that
<taxonomicName id="A7DC4D719255FFE2FCE0C3B6FC467CC9" authorityName="Blake" authorityYear="2016" box="[771,903,1752,1776]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09255FFE2FCE0C3B6FCD57CC9" box="[771,788,1753,1776]" italics="true" pageId="5" pageNumber="6">K</emphasis>
.
<emphasis id="52A8EAE09255FFE2FCC3C3B7FC467CC9" box="[800,903,1752,1776]" italics="true" pageId="5" pageNumber="6">hampsoni</emphasis>
</taxonomicName>
is a species with extensive distribution, but more in-depth studies on the distribution of
<taxonomicName id="A7DC4D719255FFE2FCADC394FBE67D2A" box="[846,1063,1787,1811]" pageId="5" pageNumber="6">
<emphasis id="52A8EAE09255FFE2FCADC394FC167D2A" box="[846,983,1787,1811]" italics="true" pageId="5" pageNumber="6">Kirkegaardia</emphasis>
species
</taxonomicName>
including
<taxonomicName id="A7DC4D719255FFE2FB7AC393FADC7D2A" authorityName="Blake" authorityYear="2016" box="[1177,1309,1787,1811]" class="Polychaeta" family="Cirratulidae" genus="Kirkegaardia" kingdom="Animalia" order="Terebellida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="hampsoni">
<emphasis id="52A8EAE09255FFE2FB7AC393FB6B7D2A" box="[1177,1194,1788,1811]" italics="true" pageId="5" pageNumber="6">K</emphasis>
.
<emphasis id="52A8EAE09255FFE2FB55C394FADC7D2A" box="[1206,1309,1787,1811]" italics="true" pageId="5" pageNumber="6">hampsoni</emphasis>
</taxonomicName>
are needed. The samples from the Campos Basin are not complete, and it is not possible to observe the pre-pygidial region and the pygidium.
</paragraph>
</subSubSection>
</treatment>
</document>