260 lines
37 KiB
XML
260 lines
37 KiB
XML
<document id="975F244DC9B97184C5A18816C0D118B7" ID-CLB-Dataset="112028" ID-DOI="10.11646/zootaxa.5113.1.1" ID-GBIF-Dataset="8b4b0886-ef22-452d-8be4-31089686eeb2" ID-ISSN="1175-5326" ID-Zenodo-Dep="6340998" ID-ZooBank="EB01C862-025E-493F-8CA9-934B4F1626AF" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1646828482616" checkinUser="plazi" docAuthor="Blake, James A." docDate="2022" docId="054C717B710E237465DDFB05FC30F84F" docLanguage="en" docName="zootaxa.5113.1.1.pdf" docOrigin="Zootaxa 5113 (1)" docSource="http://zoobank.org/eb01c862-025e-493f-8ca9-934b4f1626af" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Chaetocirratulus sandersi Blake 2022, new species" docType="treatment" docUuid="B641B107-211D-4486-8C92-8A6710D46B48" docUuidSource="ZooBank" docVersion="9" lastPageNumber="24" masterDocId="F9750903711B2363654AFF83FFDFFFCD" masterDocTitle="New species and records of Caulleriella, Chaetocirratulus and Chaetozone (Annelida, Cirratulidae) from continental shelf and slope depths of the Western North Atlantic Ocean" masterLastPageNumber="89" masterPageNumber="1" pageNumber="22" updateTime="1699317617551" updateUser="ExternalLinkService">
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<mods:title id="79A60B24242C3CBF978491240F1E7FAC">New species and records of Caulleriella, Chaetocirratulus and Chaetozone (Annelida, Cirratulidae) from continental shelf and slope depths of the Western North Atlantic Ocean</mods:title>
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<mods:namePart id="8DBF7363C3D4793A55DEBD949BD4964A">Blake, James A.</mods:namePart>
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<mods:nameIdentifier id="1A1F9D600609AD29C99B11F6DE329BDD" type="email">jablake9@gmail.com</mods:nameIdentifier>
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<mods:title id="26DDD0FDC62D298AC3C51F51EBCA7219">Zootaxa</mods:title>
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<mods:part id="7B6FC5999ECE0F719A807CBD26CF8330">
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<mods:date id="869ED57CA692E5549F965C6E233B5631">2022</mods:date>
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<mods:number id="A94E211045373DFE122DAE23972D8356">2022-03-09</mods:number>
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<treatment id="054C717B710E237465DDFB05FC30F84F" ID-DOI="http://doi.org/10.5281/zenodo.6343003" ID-GBIF-Taxon="198574509" ID-Zenodo-Dep="6343003" LSID="urn:lsid:zoobank.org:act:B641B107-211D-4486-8C92-8A6710D46B48" httpUri="http://treatment.plazi.org/id/054C717B710E237465DDFB05FC30F84F" lastPageId="23" lastPageNumber="24" pageId="21" pageNumber="22">
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<subSubSection id="C5FF93E6710E237665DDFB05FDB7FB6D" box="[151,616,1158,1185]" pageId="21" pageNumber="22" type="nomenclature">
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<paragraph id="8D5AC06D710E237665DDFB05FDB7FB6D" blockId="21.[151,953,1158,1257]" box="[151,616,1158,1185]" pageId="21" pageNumber="22">
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<heading id="D6127701710E237665DDFB05FDB7FB6D" bold="true" box="[151,616,1158,1185]" fontSize="11" level="2" pageId="21" pageNumber="22" reason="4">
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<emphasis id="BF911C7F710E237665DDFB05FDB7FB6D" bold="true" box="[151,616,1158,1185]" pageId="21" pageNumber="22">
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<taxonomicName id="4AE5BBEE710E237665DDFB05FE0EFB6C" authority="Blake, 2022" authorityName="Blake" authorityYear="2022" box="[151,465,1158,1185]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" kingdom="Animalia" order="Terebellida" pageId="21" pageNumber="22" phylum="Annelida" rank="species" species="sandersi" status="sp. nov.">
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<emphasis id="BF911C7F710E237665DDFB05FE0EFB6C" bold="true" box="[151,465,1158,1185]" italics="true" pageId="21" pageNumber="22">Chaetocirratulus sandersi</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A4A2A104710E23766492FB04FDB7FB6D" box="[472,616,1158,1185]" pageId="21" pageNumber="22" rank="species">new species</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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</subSubSection>
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<subSubSection id="C5FF93E6710E237665DDFB28FD17FAE6" pageId="21" pageNumber="22" type="description">
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<paragraph id="8D5AC06D710E237665DDFB28FEE8FB08" blockId="21.[151,953,1158,1257]" box="[151,311,1195,1221]" pageId="21" pageNumber="22">
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<figureCitation id="15DEDCE8710E237665DDFB28FEE8FB08" box="[151,311,1195,1221]" captionStart-0="FIGURE 10" captionStart-1="FIGURE 11" captionStartId-0="22.[151,250,1977,2001]" captionStartId-1="23.[151,250,1501,1525]" captionTargetBox-0="[154,1434,561,1954]" captionTargetBox-1="[151,1436,181,1477]" captionTargetId-0="figure-189@22.[154,1434,561,1954]" captionTargetId-1="figure-15@23.[151,1436,181,1477]" captionTargetPageId-0="22" captionTargetPageId-1="23" captionText-0="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." captionText-1="FIGURE 11. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938): A, anterior and middle sections of body in dorsal view showing damaged section; B, posterior end, dorsal view; C, two acicular spines and one capillary from posterior neuropodium; D, detail of neuropodial acicular spine. A–B stained with Shirlastain A." figureDoi-0="http://doi.org/10.5281/zenodo.6341026" figureDoi-1="http://doi.org/10.5281/zenodo.6341028" httpUri-0="https://zenodo.org/record/6341026/files/figure.png" httpUri-1="https://zenodo.org/record/6341028/files/figure.png" pageId="21" pageNumber="22">Figures 10–11</figureCitation>
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</paragraph>
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<paragraph id="8D5AC06D710E237665DDFB4CFC66FB24" blockId="21.[151,953,1158,1257]" box="[151,953,1231,1257]" pageId="21" pageNumber="22">
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<uri id="F974CC6F710E237665DDFB4CFC66FB24" box="[151,953,1231,1257]" pageId="21" pageNumber="22">
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urn:lsid:zoobank.org:act:
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<uuid id="F943FAB8710E237664E6FB4CFC66FB24" box="[428,953,1231,1257]" pageId="21" pageNumber="22">B641B107-211D-4486-8C92-8A6710D46B48</uuid>
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</uri>
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</paragraph>
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<paragraph id="8D5AC06D710E237665DDFA90FD17FAE6" blockId="21.[151,712,1299,1323]" box="[151,712,1299,1323]" pageId="21" pageNumber="22">
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<taxonomicName id="4AE5BBEE710E237665DDFA90FE93FAE6" box="[151,332,1299,1323]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="21" pageNumber="22" phylum="Annelida" rank="species" species="undefined-b">
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<emphasis id="BF911C7F710E237665DDFA90FED0FAE6" box="[151,271,1299,1323]" italics="true" pageId="21" pageNumber="22">Chaetozone</emphasis>
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sp. B
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</taxonomicName>
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:
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<bibRefCitation id="E974BD9C710E2376641DFA90FDE8FAE6" author="Maciolek, N. & Grassle, J. F. & Hecker, B. & Boehm, P. D. & Brown, B. & Dade, B. & Steinhauer, W. G. & Baptiste, E. & Ruff, R. E. & Petrecca, R." box="[343,567,1299,1323]" pageId="21" pageNumber="22" refId="ref60867" refString="Maciolek, N., Grassle, J. F., Hecker, B., Boehm, P. D., Brown, B., Dade, B., Steinhauer, W. G., Baptiste, E. Ruff, R. E. & Petrecca, R. (1987 a) Study of biological processes on the U. S. Mid-Atlantic slope and rise. Final report prepared for the U. S. Department of the Interior, Minerals Management Service, under contract no. 14 - 12 - 0001 - 30064. Vol. 1. Executive Summary & Vol. 2. Final Report. Final report prepared for the Department of the Interior, Minerals Management Service, Washington, D. C., 44 pp. & 310 pp., appendices. Available from: https: // espis. boem. gov / final % 20 reports / 4722. pdf (accessed 20 January 2021)" type="book" year="1987">
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Maciolek
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<emphasis id="BF911C7F710E237664F7FA97FE2FFAE6" box="[445,496,1299,1323]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
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1987a
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</bibRefCitation>
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||
: D-2 (in part).
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||
</paragraph>
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||
</subSubSection>
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<subSubSection id="C5FF93E6710E237665DDFAD7FE22FA7A" pageId="21" pageNumber="22" type="materials_examined">
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<paragraph id="8D5AC06D710E237665DDFAD7FE22FA7A" blockId="21.[151,1437,1364,2039]" pageId="21" pageNumber="22">
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||
<emphasis id="BF911C7F710E237665DDFAD7FEA2FAA3" bold="true" box="[151,381,1364,1390]" pageId="21" pageNumber="22">Material examined</emphasis>
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||
.
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<emphasis id="BF911C7F710E237664C4FAD7FE69FAA3" bold="true" box="[398,438,1364,1390]" pageId="21" pageNumber="22">Off</emphasis>
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<materialsCitation id="3D8DCA30710E2376648BFAD7FE26FA7A" ID-GBIF-Occurrence="3878838545" collectingDate="1984-04-01" collectionCode="USNM" collectorName="R. Petrecca & V Cape Hatteras" country="United States of America" elevation="2013" latitude="38.596333" location="New Jersey" longLatPrecision="9" longitude="-72.894264" pageId="21" pageNumber="22" specimenCode="USNM 1660938" specimenCount="1" stateProvince="New Jersey" typeStatus="holotype">
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<emphasis id="BF911C7F710E2376648BFAD7FB12FAA3" bold="true" box="[449,1229,1364,1390]" pageId="21" pageNumber="22">
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||
<collectingRegion id="4F210E8F710E2376648BFAD7FD93FAA3" box="[449,588,1364,1390]" country="United States of America" name="New Jersey" pageId="21" pageNumber="22">New Jersey</collectingRegion>
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||
and
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<collectingRegion id="4F210E8F710E237667C4FAD7FCDEFAA3" box="[654,769,1364,1390]" country="United States of America" name="Delaware" pageId="21" pageNumber="22">Delaware</collectingRegion>
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||
,
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<collectingCountry id="F5F280FD710E2376665AFAD7FC9DFAA3" box="[784,834,1364,1390]" name="United States of America" pageId="21" pageNumber="22">U.S.</collectingCountry>
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Mid-Atlantic ACSAR Program,
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||
</emphasis>
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coll.
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<collectorName id="2010A5BB710E23766058FAD6FA47FAA2" box="[1298,1432,1365,1391]" pageId="21" pageNumber="22">R. Petrecca</collectorName>
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, Chief Scientist.
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<emphasis id="BF911C7F710E23766407FAFBFE7AFA5F" bold="true" box="[333,421,1400,1426]" pageId="21" pageNumber="22">Sta. 2A</emphasis>
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||
: Cruise Mid-1, Leg 1, R/
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<collectorName id="2010A5BB710E2376678DFAFBFC58FA5F" box="[711,903,1400,1426]" pageId="21" pageNumber="22">
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V
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<emphasis id="BF911C7F710E237667A8FAFBFC58FA5F" box="[738,903,1400,1426]" italics="true" pageId="21" pageNumber="22">Cape Hatteras</emphasis>
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</collectorName>
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,
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<date id="F95BE6AD710E237666DCFAFBFBF8FA5F" box="[918,1063,1400,1426]" pageId="21" pageNumber="22" value="1984-04-01">
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<collectingDate id="E91F1F45710E237666DCFAFBFBF8FA5F" box="[918,1063,1400,1426]" pageId="21" pageNumber="22" value="1984-04-01">01 Apr 1984</collectingDate>
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||
</date>
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,
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<geoCoordinate id="E8D1A6AA710E23766179FAFAFB68FA59" box="[1075,1207,1401,1428]" degrees="38" direction="north" minutes="35.78" orientation="latitude" pageId="21" pageNumber="22" precision="9" value="38.596333">38°35.78ʹN</geoCoordinate>
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,
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<geoCoordinate id="E8D1A6AA710E23766189FAFAFA87FA59" box="[1219,1368,1401,1428]" degrees="72" direction="west" minutes="53.656" orientation="longitude" pageId="21" pageNumber="22" precision="1" value="-72.894264">72°53.656ʹW</geoCoordinate>
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,
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<quantity id="4A1D6D88710E2376602EFAFBFF70FA7A" metricMagnitude="3" metricUnit="m" metricValue="2.013" pageId="21" pageNumber="22" unit="m" value="2013.0">
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||
<elevation id="06C8275E710E2376602EFAFBFF70FA7A" metricMagnitude="3" metricUnit="m" metricValue="2.013" pageId="21" pageNumber="22" unit="m" value="2013.0">2013 m</elevation>
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</quantity>
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||
,
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||
<emphasis id="BF911C7F710E237665F1FA1FFEFDFA7B" bold="true" box="[187,290,1436,1462]" pageId="21" pageNumber="22">
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||
<typeStatus id="525E7ECF710E237665F1FA1FFEFDFA7B" box="[187,290,1436,1462]" pageId="21" pageNumber="22" type="holotype">holotype</typeStatus>
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||
</emphasis>
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||
(
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||
<specimenCode id="DD436816710E2376647AFA1FFE2EFA7A" box="[304,497,1436,1463]" collectionCode="USNM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="21" pageNumber="22" type="Museum">USNM 1660938</specimenCode>
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||
)
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||
</materialsCitation>
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||
.
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C5FF93E6710E2375658DFA43FDF0FDD4" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22" type="description">
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<paragraph id="8D5AC06D710E2376658DFA43FBE3F936" blockId="21.[151,1437,1364,2039]" pageId="21" pageNumber="22">
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||
<emphasis id="BF911C7F710E2376658DFA43FE8EFA17" bold="true" box="[199,337,1472,1498]" pageId="21" pageNumber="22">Description</emphasis>
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||
. A moderately large species,
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||
<typeStatus id="525E7ECF710E237667E8FA43FCDBFA17" box="[674,772,1472,1498]" pageId="21" pageNumber="22" type="holotype">holotype</typeStatus>
|
||
complete but damaged,
|
||
<quantity id="4A1D6D88710E23766157FA43FBB1FA16" box="[1053,1134,1472,1499]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" pageId="21" pageNumber="22" unit="mm" value="18.0">18 mm</quantity>
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long, 3.5 mm wide across anterior setigers, with ca. 80 setigers; middle body segments about 4.5 mm wide, then narrowing to posterior end. Specimen partially damaged between setigers 19–20, distorting overall shape, but both sections remain joined (
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||
<figureCitation id="15DEDCE8710E23766025F98BFF15F98B" captionStart="FIGURE 11" captionStartId="23.[151,250,1501,1525]" captionTargetBox="[151,1436,181,1477]" captionTargetId="figure-15@23.[151,1436,181,1477]" captionTargetPageId="23" captionText="FIGURE 11. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938): A, anterior and middle sections of body in dorsal view showing damaged section; B, posterior end, dorsal view; C, two acicular spines and one capillary from posterior neuropodium; D, detail of neuropodial acicular spine. A–B stained with Shirlastain A." figureDoi="http://doi.org/10.5281/zenodo.6341028" httpUri="https://zenodo.org/record/6341028/files/figure.png" pageId="21" pageNumber="22">Fig. 11A</figureCitation>
|
||
). Body fusiform, widest in middle segments, with narrow crowded segments (
|
||
<figureCitation id="15DEDCE8710E2376610EF9AFFB07F98B" box="[1092,1240,1580,1606]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="21" pageNumber="22">Figs. 10A–B</figureCitation>
|
||
,
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<figureCitation id="15DEDCE8710E237661AFF9AFFAC7F98B" box="[1253,1304,1580,1606]" captionStart="FIGURE 11" captionStartId="23.[151,250,1501,1525]" captionTargetBox="[151,1436,181,1477]" captionTargetId="figure-15@23.[151,1436,181,1477]" captionTargetPageId="23" captionText="FIGURE 11. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938): A, anterior and middle sections of body in dorsal view showing damaged section; B, posterior end, dorsal view; C, two acicular spines and one capillary from posterior neuropodium; D, detail of neuropodial acicular spine. A–B stained with Shirlastain A." figureDoi="http://doi.org/10.5281/zenodo.6341028" httpUri="https://zenodo.org/record/6341028/files/figure.png" pageId="21" pageNumber="22">11A</figureCitation>
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||
). Parapodia lateral with dorsal and ventral surfaces broad, with distinct intersegmental grooves across both surfaces (
|
||
<figureCitation id="15DEDCE8710E23766060F9D3FF73F942" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="21" pageNumber="22">Fig. 10A– B</figureCitation>
|
||
). Dorsum elevated with distinct mid-dorsal groove (
|
||
<figureCitation id="15DEDCE8710E237667B5F9F7FCB7F943" box="[767,872,1652,1678]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="21" pageNumber="22">Fig. 10A</figureCitation>
|
||
), deepest along anterior segments, less prominent in middle and posterior segments; venter also elevated, but not as high, also with mid-ventral groove along anterior segments, with narrow ridge in groove (
|
||
<figureCitation id="15DEDCE8710E23766712F93FFD60F91B" box="[600,703,1724,1750]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="21" pageNumber="22">Fig. 10B</figureCitation>
|
||
). Middle and posterior segments lacking ventral groove. Color in alcohol light tan; venter of peristomium with a few minute scattered pigment spots.
|
||
</paragraph>
|
||
<paragraph id="8D5AC06D710E2376658DF887FD06F83A" blockId="21.[151,1437,1364,2039]" pageId="21" pageNumber="22">
|
||
Pre-setiger region broadly triangular, wider than long, about as long as first five setigers (
|
||
<figureCitation id="15DEDCE8710E237661F7F887FA8FF8D3" box="[1213,1360,1796,1822]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="21" pageNumber="22">Figs. 10A–B</figureCitation>
|
||
,
|
||
<figureCitation id="15DEDCE8710E23766017F887FA4FF8D3" box="[1373,1424,1796,1822]" captionStart="FIGURE 11" captionStartId="23.[151,250,1501,1525]" captionTargetBox="[151,1436,181,1477]" captionTargetId="figure-15@23.[151,1436,181,1477]" captionTargetPageId="23" captionText="FIGURE 11. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938): A, anterior and middle sections of body in dorsal view showing damaged section; B, posterior end, dorsal view; C, two acicular spines and one capillary from posterior neuropodium; D, detail of neuropodial acicular spine. A–B stained with Shirlastain A." figureDoi="http://doi.org/10.5281/zenodo.6341028" httpUri="https://zenodo.org/record/6341028/files/figure.png" pageId="21" pageNumber="22">11A</figureCitation>
|
||
). Prostomium short, wedge-shaped, narrowing to rounded anterior margin (
|
||
<figureCitation id="15DEDCE8710E237666A3F8ABFBA8F88F" box="[1001,1143,1832,1858]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="21" pageNumber="22">Fig. 10A–D</figureCitation>
|
||
); eyespots absent; nuchal organs narrow slits at posterior lateral margins. Peristomium with two rings, first largest with several transverse grooves or slits; dorsally surrounding posterior prostomium (
|
||
<figureCitation id="15DEDCE8710E23766671F8F3FC1DF847" box="[827,962,1904,1930]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="21" pageNumber="22">Fig. 10A, C</figureCitation>
|
||
); ventrally forming large lip around mouth (
|
||
<figureCitation id="15DEDCE8710E237665EAF817FEF5F862" box="[160,298,1940,1967]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="21" pageNumber="22">Fig. 10 B, D</figureCitation>
|
||
); second ring narrower, dorsally bearing a pair of dorsal tentacles and first branchiae lateral to tentacles (
|
||
<figureCitation id="15DEDCE8710E237665EAF83BFEF4F81F" box="[160,299,1976,2002]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="21" pageNumber="22">Fig. 10A, C</figureCitation>
|
||
). Subsequent branchiae on setigers dorsal to notosetae. Most branchiae missing; a few short narrow filamentous branchiae retained in middle segments.
|
||
</paragraph>
|
||
<paragraph id="8D5AC06D710D2375658DFF14FD10FE44" blockId="22.[151,1437,151,537]" pageId="22" pageNumber="23">
|
||
Parapodia well-developed along entire body, with those of first 20 anterior setigers largest and most prominent (
|
||
<figureCitation id="15DEDCE8710D237565EAFF38FEF6FF18" box="[160,297,187,213]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="22" pageNumber="23">Fig. 10A–C</figureCitation>
|
||
); noto- and neuropodia distinct ridges from which setae arise; separate postsetal lamellae not present. Setae include long, smooth capillaries and acicular spines. Capillaries numbering 9–10 per noto- and neuropodia in anterior setigers, reduced to
|
||
<quantity id="4A1D6D88710D237564BEFE81FDE4FED0" box="[500,571,258,285]" metricMagnitude="-1" metricUnit="m" metricValue="1.397" metricValueMax="1.524" metricValueMin="1.27" pageId="22" pageNumber="23" unit="in" value="5.5" valueMax="6.0" valueMin="5.0">5–6 in</quantity>
|
||
middle segments and
|
||
<quantity id="4A1D6D88710D2375667DFE80FCA1FED0" box="[823,894,259,285]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" metricValueMax="7.62" metricValueMin="2.54" pageId="22" pageNumber="23" unit="in" value="2.0" valueMax="3.0" valueMin="1.0">1–3 in</quantity>
|
||
posterior setigers. Some capillaries with thicker shafts transitioning to acicular spines in mid-body at about setigers 27 (neuropodia) and 31 (notopodia). Individual spines with straight, not sigmoid, shafts and narrow rounded tips (
|
||
<figureCitation id="15DEDCE8710D23756638FEC8FC26FEA8" box="[882,1017,331,357]" captionStart="FIGURE 11" captionStartId="23.[151,250,1501,1525]" captionTargetBox="[151,1436,181,1477]" captionTargetId="figure-15@23.[151,1436,181,1477]" captionTargetPageId="23" captionText="FIGURE 11. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938): A, anterior and middle sections of body in dorsal view showing damaged section; B, posterior end, dorsal view; C, two acicular spines and one capillary from posterior neuropodium; D, detail of neuropodial acicular spine. A–B stained with Shirlastain A." figureDoi="http://doi.org/10.5281/zenodo.6341028" httpUri="https://zenodo.org/record/6341028/files/figure.png" pageId="22" pageNumber="23">Fig. 11C–D</figureCitation>
|
||
). Spines 1–2 per notopodium and 2–3 per neuropodium, accompanied by 1–3 capillaries.
|
||
</paragraph>
|
||
<paragraph id="8D5AC06D710D2375658DFE10FBBEFE60" blockId="22.[151,1437,151,537]" box="[199,1121,403,429]" pageId="22" pageNumber="23">
|
||
Pygidium with a simple rounded, terminal lobe ventral to anal opening (
|
||
<figureCitation id="15DEDCE8710D237566A5FE10FB8BFE60" box="[1007,1108,403,429]" captionStart="FIGURE 11" captionStartId="23.[151,250,1501,1525]" captionTargetBox="[151,1436,181,1477]" captionTargetId="figure-15@23.[151,1436,181,1477]" captionTargetPageId="23" captionText="FIGURE 11. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938): A, anterior and middle sections of body in dorsal view showing damaged section; B, posterior end, dorsal view; C, two acicular spines and one capillary from posterior neuropodium; D, detail of neuropodial acicular spine. A–B stained with Shirlastain A." figureDoi="http://doi.org/10.5281/zenodo.6341028" httpUri="https://zenodo.org/record/6341028/files/figure.png" pageId="22" pageNumber="23">Fig. 11B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8D5AC06D710D2375658DFE34FDF0FDD4" blockId="22.[151,1437,151,537]" pageId="22" pageNumber="23">
|
||
<emphasis id="BF911C7F710D2375658DFE34FE0FFE1D" bold="true" box="[199,464,438,465]" pageId="22" pageNumber="23">Methyl green staining</emphasis>
|
||
. Methyl green stains the pre-setiger region heavily on both sides (
|
||
<figureCitation id="15DEDCE8710D23756180FE34FA8BFE1C" box="[1226,1364,439,465]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="22" pageNumber="23">Fig. 10C–D</figureCitation>
|
||
), continuing on the parapodia and producing transverse bands across the venter of anterior setigers (
|
||
<figureCitation id="15DEDCE8710D2375619DFE58FA9DFE38" box="[1239,1346,475,501]" captionStart="FIGURE 10" captionStartId="22.[151,250,1977,2001]" captionTargetBox="[154,1434,561,1954]" captionTargetId="figure-189@22.[154,1434,561,1954]" captionTargetPageId="22" captionText="FIGURE 10. Chaetocirratulus sandersi n. sp. Holotype (USNM 1660938):A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG." figureDoi="http://doi.org/10.5281/zenodo.6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="22" pageNumber="23">Fig. 10D</figureCitation>
|
||
); dorsal tentacles and branchiae not staining.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="D99A90E5710D237565DDF83AFAC5F83B" ID-DOI="http://doi.org/10.5281/zenodo.6341026" ID-Zenodo-Dep="6341026" httpUri="https://zenodo.org/record/6341026/files/figure.png" pageId="22" pageNumber="23" startId="22.[151,250,1977,2001]" targetBox="[154,1434,561,1954]" targetPageId="22">
|
||
<paragraph id="8D5AC06D710D237565DDF83AFAC5F83B" blockId="22.[151,1436,1977,2038]" pageId="22" pageNumber="23">
|
||
<emphasis id="BF911C7F710D237565DDF83AFEC7F81F" bold="true" box="[151,280,1977,2002]" pageId="22" pageNumber="23">FIGURE 10</emphasis>
|
||
.
|
||
<taxonomicName id="4AE5BBEE710D2375646EF839FDF3F81F" authority="Blake, 2022" authorityName="Blake" authorityYear="2022" box="[292,556,1978,2002]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" kingdom="Animalia" order="Terebellida" pageId="22" pageNumber="23" phylum="Annelida" rank="species" species="sandersi" status="sp. nov.">
|
||
<emphasis id="BF911C7F710D2375646EF839FDF3F81F" box="[292,556,1978,2002]" italics="true" pageId="22" pageNumber="23">Chaetocirratulus sandersi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A4A2A104710D2375677BF839FDB7F81C" box="[561,616,1978,2002]" pageId="22" pageNumber="23" rank="species">
|
||
<emphasis id="BF911C7F710D2375677BF839FDBDF81F" bold="true" box="[561,610,1978,2002]" pageId="22" pageNumber="23">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
Holotype (USNM 1660938): A, anterior end, dorsal view; B, anterior end, ventral view; C, anterior end, dorsal view; D, same, ventral view. A–B, stained with Shirlastain A; C–D stained with MG.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="D99A90E5710C237465DDFA5EFC75F9F3" ID-DOI="http://doi.org/10.5281/zenodo.6341028" ID-Zenodo-Dep="6341028" httpUri="https://zenodo.org/record/6341028/files/figure.png" pageId="23" pageNumber="24" startId="23.[151,250,1501,1525]" targetBox="[151,1436,181,1477]" targetPageId="23">
|
||
<paragraph id="8D5AC06D710C237465DDFA5EFC75F9F3" blockId="23.[151,1436,1501,1598]" pageId="23" pageNumber="24">
|
||
<emphasis id="BF911C7F710C237465DDFA5EFEC6FA38" bold="true" box="[151,281,1501,1525]" pageId="23" pageNumber="24">FIGURE 11</emphasis>
|
||
.
|
||
<taxonomicName id="4AE5BBEE710C2374646CFA5EFDEEFA38" authority="Blake, 2022" authorityName="Blake" authorityYear="2022" box="[294,561,1501,1525]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" kingdom="Animalia" order="Terebellida" pageId="23" pageNumber="24" phylum="Annelida" rank="species" species="sandersi" status="sp. nov.">
|
||
<emphasis id="BF911C7F710C2374646CFA5EFDEEFA38" box="[294,561,1501,1525]" italics="true" pageId="23" pageNumber="24">Chaetocirratulus sandersi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A4A2A104710C23746772FA5DFDAEFA38" box="[568,625,1502,1526]" pageId="23" pageNumber="24" rank="species">
|
||
<emphasis id="BF911C7F710C23746772FA5DFDB4FA3B" bold="true" box="[568,619,1502,1526]" pageId="23" pageNumber="24">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
Holotype (USNM 1660938): A, anterior and middle sections of body in dorsal view showing damaged section; B, posterior end, dorsal view; C, two acicular spines and one capillary from posterior neuropodium; D, detail of neuropodial acicular spine. A–B stained with Shirlastain A.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C5FF93E6710C2374658DF9EFFBA8F93F" pageId="23" pageNumber="24" type="discussion">
|
||
<paragraph id="8D5AC06D710C2374658DF9EFFBA8F93F" blockId="23.[151,1437,1644,1922]" pageId="23" pageNumber="24">
|
||
<emphasis id="BF911C7F710C2374658DF9EFFEEBF94B" bold="true" box="[199,308,1644,1670]" pageId="23" pageNumber="24">Remarks</emphasis>
|
||
. Among four species of
|
||
<taxonomicName id="4AE5BBEE710C23746718F9EFFCCEF94B" authorityName="Blake" authorityYear="2018" box="[594,785,1644,1670]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" kingdom="Animalia" order="Terebellida" pageId="23" pageNumber="24" phylum="Annelida" rank="genus">
|
||
<emphasis id="BF911C7F710C23746718F9EFFCCEF94B" box="[594,785,1644,1670]" italics="true" pageId="23" pageNumber="24">Chaetocirratulus</emphasis>
|
||
</taxonomicName>
|
||
reported in this study from the
|
||
<collectingCountry id="F5F280FD710C237461C9F9EFFB6AF94B" box="[1155,1205,1644,1670]" name="United States of America" pageId="23" pageNumber="24">U.S.</collectingCountry>
|
||
Atlantic continental slope,
|
||
<taxonomicName id="4AE5BBEE710C237465A8F913FEBBF967" authority="Blake, 2022" authorityName="Blake" authorityYear="2022" box="[226,356,1680,1706]" class="Polychaeta" family="Cirratulidae" genus="Chaetocirratulus" kingdom="Animalia" order="Terebellida" pageId="23" pageNumber="24" phylum="Annelida" rank="species" species="sandersi" status="sp. nov.">
|
||
<emphasis id="BF911C7F710C237465A8F913FEBBF967" box="[226,356,1680,1706]" italics="true" pageId="23" pageNumber="24">C. sandersi</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A4A2A104710C23746427F913FE71F967" box="[365,430,1680,1706]" pageId="23" pageNumber="24" rank="species">
|
||
<emphasis id="BF911C7F710C23746427F913FE78F967" bold="true" box="[365,423,1680,1706]" pageId="23" pageNumber="24">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
is the only one to have two peristomial rings instead of three. These are complete both dorsally and ventrally. No body pigment is present and there are distinct mid-dorsal and ventral grooves, the latter of which has a medial ridge. The morphology of the four species is compared in
|
||
<tableCitation id="C067F5D6710C23746154F95BFBACF93F" box="[1054,1139,1752,1778]" captionStart="TABLE 2" captionStartId="28.[151,239,614,640]" captionTargetPageId="28" captionText="TABLE 2. Morphological Characteristics of Four Species of Chaetocirratulus from the U.S. Atlantic Continental Slope." httpUri="http://table.plazi.org/id/D99A90E57107237F65DDFDE5FA42FD4D" pageId="23" pageNumber="24" tableUuid="D99A90E57107237F65DDFDE5FA42FD4D">Table 2</tableCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C5FF93E6710C2374658DF97FFE0BF893" pageId="23" pageNumber="24" type="etymology">
|
||
<paragraph id="8D5AC06D710C2374658DF97FFE0BF893" blockId="23.[151,1437,1644,1922]" pageId="23" pageNumber="24">
|
||
<emphasis id="BF911C7F710C2374658DF97FFE97F8DB" bold="true" box="[199,328,1788,1814]" pageId="23" pageNumber="24">Etymology</emphasis>
|
||
. This species is named for the late Dr. Howard Sanders, prominent ecologist whose classic studies with the late Dr. Robert Hessler on the North Atlantic deep-sea benthos introduced us to the undiscovered richness of deep-sea benthic infauna.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C5FF93E6710C2374658DF8E4FC30F84F" box="[199,1007,1895,1922]" pageId="23" pageNumber="24" type="distribution">
|
||
<paragraph id="8D5AC06D710C2374658DF8E4FC30F84F" blockId="23.[151,1437,1644,1922]" box="[199,1007,1895,1922]" pageId="23" pageNumber="24">
|
||
<emphasis id="BF911C7F710C2374658DF8E4FE86F84C" bold="true" box="[199,345,1895,1921]" pageId="23" pageNumber="24">Distribution</emphasis>
|
||
. Off
|
||
<collectingRegion id="4F210E8F710C237464DFF8EBFDC8F84F" box="[405,535,1896,1922]" country="United States of America" name="New Jersey" pageId="23" pageNumber="24">New Jersey</collectingRegion>
|
||
and
|
||
<collectingRegion id="4F210E8F710C23746707F8EBFD64F84F" box="[589,699,1896,1922]" country="United States of America" name="Delaware" pageId="23" pageNumber="24">Delaware</collectingRegion>
|
||
, continental slope,
|
||
<quantity id="4A1D6D88710C237466D9F8EBFC34F84F" box="[915,1003,1896,1922]" metricMagnitude="3" metricUnit="m" metricValue="2.013" pageId="23" pageNumber="24" unit="m" value="2013.0">2013 m</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |