treatments-xml/data/05/4C/71/054C717B710E237465DDFB05FC30F84F.xml
2024-06-21 12:28:31 +02:00

260 lines
37 KiB
XML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<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">
<mods:mods id="81EA7B45ED457FAACFFFDCB20A04675D" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="569B71EAE3E75341139DCD05F1573574">
<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>
</mods:titleInfo>
<mods:name id="4289D6DA408309668EA37226DF54F27E" type="personal">
<mods:role id="8F7CF2D796B9FC65F76D1CA1E2DE594A">
<mods:roleTerm id="9A29961C18CC5704B392005C85FBF144">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="8DBF7363C3D4793A55DEBD949BD4964A">Blake, James A.</mods:namePart>
<mods:nameIdentifier id="9C9F40FE6229A76AC6AF75A28B68B6DE" type="ORCID">0000-0001-8217-9769</mods:nameIdentifier>
<mods:nameIdentifier id="1A1F9D600609AD29C99B11F6DE329BDD" type="email">jablake9@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource id="6B2C58F44257E82C6131399DBD50D7A6">text</mods:typeOfResource>
<mods:relatedItem id="76CFE7178740C1DB07E8BAD10E129FDF" type="host">
<mods:titleInfo id="9DCA594930DF4126B7B2A34B4B256BF8">
<mods:title id="26DDD0FDC62D298AC3C51F51EBCA7219">Zootaxa</mods:title>
</mods:titleInfo>
<mods:part id="7B6FC5999ECE0F719A807CBD26CF8330">
<mods:date id="869ED57CA692E5549F965C6E233B5631">2022</mods:date>
<mods:detail id="06F51A2E3DB4C84D70D431EA34DC89D5" type="pubDate">
<mods:number id="A94E211045373DFE122DAE23972D8356">2022-03-09</mods:number>
</mods:detail>
<mods:detail id="51A1BB223EE1A8FDAFED9796353FD801" type="volume">
<mods:number id="0CC4CFBE08B1742AE034DF4671A81E9B">5113</mods:number>
</mods:detail>
<mods:detail id="C4553F5F23EA589B8F13774A8D8BDCEF" type="issue">
<mods:number id="F45AACD5A7E72D060B018CE54254C505">1</mods:number>
</mods:detail>
<mods:extent id="505BB470F975E0DAF9734D645DB29CCE" unit="page">
<mods:start id="7BEAB2101F5BA06755C94A3FB3DDFA56">1</mods:start>
<mods:end id="B8E6B8241542A2C3FEEBE635884E75BA">89</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location id="B3FBC2FECE3ACD5DC23AF253A15B117D">
<mods:url id="66208509B07D2C5C44B5C73B976B60EF">http://zoobank.org/eb01c862-025e-493f-8ca9-934b4f1626af</mods:url>
</mods:location>
<mods:classification id="580B61CA34313A3DA579B3FD94BB63C9">journal article</mods:classification>
<mods:identifier id="72F14EB7F753145236F59168A6D22531" type="CLB-Dataset">112028</mods:identifier>
<mods:identifier id="EFFF5A4E08FF051A3681A5A9F732EBC5" type="DOI">10.11646/zootaxa.5113.1.1</mods:identifier>
<mods:identifier id="E65E8AF266C84088FC2BC983BCDB2F64" type="GBIF-Dataset">8b4b0886-ef22-452d-8be4-31089686eeb2</mods:identifier>
<mods:identifier id="6DB8A080A6D349B5B6E8ED9E7CAE98CE" type="ISSN">1175-5326</mods:identifier>
<mods:identifier id="498D049E91D93CA06B8AB3953AC5065C" type="Zenodo-Dep">6340998</mods:identifier>
<mods:identifier id="97CADF31006721E1970DCBD79350F05C" type="ZooBank">EB01C862-025E-493F-8CA9-934B4F1626AF</mods:identifier>
</mods:mods>
<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">
<subSubSection id="C5FF93E6710E237665DDFB05FDB7FB6D" box="[151,616,1158,1185]" pageId="21" pageNumber="22" type="nomenclature">
<paragraph id="8D5AC06D710E237665DDFB05FDB7FB6D" blockId="21.[151,953,1158,1257]" box="[151,616,1158,1185]" pageId="21" pageNumber="22">
<heading id="D6127701710E237665DDFB05FDB7FB6D" bold="true" box="[151,616,1158,1185]" fontSize="11" level="2" pageId="21" pageNumber="22" reason="4">
<emphasis id="BF911C7F710E237665DDFB05FDB7FB6D" bold="true" box="[151,616,1158,1185]" pageId="21" pageNumber="22">
<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.">
<emphasis id="BF911C7F710E237665DDFB05FE0EFB6C" bold="true" box="[151,465,1158,1185]" italics="true" pageId="21" pageNumber="22">Chaetocirratulus sandersi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A4A2A104710E23766492FB04FDB7FB6D" box="[472,616,1158,1185]" pageId="21" pageNumber="22" rank="species">new species</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C5FF93E6710E237665DDFB28FD17FAE6" pageId="21" pageNumber="22" type="description">
<paragraph id="8D5AC06D710E237665DDFB28FEE8FB08" blockId="21.[151,953,1158,1257]" box="[151,311,1195,1221]" pageId="21" pageNumber="22">
<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. AB, stained with Shirlastain A; CD 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. AB 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 1011</figureCitation>
</paragraph>
<paragraph id="8D5AC06D710E237665DDFB4CFC66FB24" blockId="21.[151,953,1158,1257]" box="[151,953,1231,1257]" pageId="21" pageNumber="22">
<uri id="F974CC6F710E237665DDFB4CFC66FB24" box="[151,953,1231,1257]" pageId="21" pageNumber="22">
urn:lsid:zoobank.org:act:
<uuid id="F943FAB8710E237664E6FB4CFC66FB24" box="[428,953,1231,1257]" pageId="21" pageNumber="22">B641B107-211D-4486-8C92-8A6710D46B48</uuid>
</uri>
</paragraph>
<paragraph id="8D5AC06D710E237665DDFA90FD17FAE6" blockId="21.[151,712,1299,1323]" box="[151,712,1299,1323]" pageId="21" pageNumber="22">
<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">
<emphasis id="BF911C7F710E237665DDFA90FED0FAE6" box="[151,271,1299,1323]" italics="true" pageId="21" pageNumber="22">Chaetozone</emphasis>
sp. B
</taxonomicName>
:
<bibRefCitation id="E974BD9C710E2376641DFA90FDE8FAE6" author="Maciolek, N. &amp; Grassle, J. F. &amp; Hecker, B. &amp; Boehm, P. D. &amp; Brown, B. &amp; Dade, B. &amp; Steinhauer, W. G. &amp; Baptiste, E. &amp; Ruff, R. E. &amp; 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. &amp; 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 &amp; Vol. 2. Final Report. Final report prepared for the Department of the Interior, Minerals Management Service, Washington, D. C., 44 pp. &amp; 310 pp., appendices. Available from: https: // espis. boem. gov / final % 20 reports / 4722. pdf (accessed 20 January 2021)" type="book" year="1987">
Maciolek
<emphasis id="BF911C7F710E237664F7FA97FE2FFAE6" box="[445,496,1299,1323]" italics="true" pageId="21" pageNumber="22">et al.</emphasis>
1987a
</bibRefCitation>
: D-2 (in part).
</paragraph>
</subSubSection>
<subSubSection id="C5FF93E6710E237665DDFAD7FE22FA7A" pageId="21" pageNumber="22" type="materials_examined">
<paragraph id="8D5AC06D710E237665DDFAD7FE22FA7A" blockId="21.[151,1437,1364,2039]" pageId="21" pageNumber="22">
<emphasis id="BF911C7F710E237665DDFAD7FEA2FAA3" bold="true" box="[151,381,1364,1390]" pageId="21" pageNumber="22">Material examined</emphasis>
.
<emphasis id="BF911C7F710E237664C4FAD7FE69FAA3" bold="true" box="[398,438,1364,1390]" pageId="21" pageNumber="22">Off</emphasis>
<materialsCitation id="3D8DCA30710E2376648BFAD7FE26FA7A" ID-GBIF-Occurrence="3878838545" collectingDate="1984-04-01" collectionCode="USNM" collectorName="R. Petrecca &amp; 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">
<emphasis id="BF911C7F710E2376648BFAD7FB12FAA3" bold="true" box="[449,1229,1364,1390]" pageId="21" pageNumber="22">
<collectingRegion id="4F210E8F710E2376648BFAD7FD93FAA3" box="[449,588,1364,1390]" country="United States of America" name="New Jersey" pageId="21" pageNumber="22">New Jersey</collectingRegion>
and
<collectingRegion id="4F210E8F710E237667C4FAD7FCDEFAA3" box="[654,769,1364,1390]" country="United States of America" name="Delaware" pageId="21" pageNumber="22">Delaware</collectingRegion>
,
<collectingCountry id="F5F280FD710E2376665AFAD7FC9DFAA3" box="[784,834,1364,1390]" name="United States of America" pageId="21" pageNumber="22">U.S.</collectingCountry>
Mid-Atlantic ACSAR Program,
</emphasis>
coll.
<collectorName id="2010A5BB710E23766058FAD6FA47FAA2" box="[1298,1432,1365,1391]" pageId="21" pageNumber="22">R. Petrecca</collectorName>
, Chief Scientist.
<emphasis id="BF911C7F710E23766407FAFBFE7AFA5F" bold="true" box="[333,421,1400,1426]" pageId="21" pageNumber="22">Sta. 2A</emphasis>
: Cruise Mid-1, Leg 1, R/
<collectorName id="2010A5BB710E2376678DFAFBFC58FA5F" box="[711,903,1400,1426]" pageId="21" pageNumber="22">
V
<emphasis id="BF911C7F710E237667A8FAFBFC58FA5F" box="[738,903,1400,1426]" italics="true" pageId="21" pageNumber="22">Cape Hatteras</emphasis>
</collectorName>
,
<date id="F95BE6AD710E237666DCFAFBFBF8FA5F" box="[918,1063,1400,1426]" pageId="21" pageNumber="22" value="1984-04-01">
<collectingDate id="E91F1F45710E237666DCFAFBFBF8FA5F" box="[918,1063,1400,1426]" pageId="21" pageNumber="22" value="1984-04-01">01 Apr 1984</collectingDate>
</date>
,
<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>
,
<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>
,
<quantity id="4A1D6D88710E2376602EFAFBFF70FA7A" metricMagnitude="3" metricUnit="m" metricValue="2.013" pageId="21" pageNumber="22" unit="m" value="2013.0">
<elevation id="06C8275E710E2376602EFAFBFF70FA7A" metricMagnitude="3" metricUnit="m" metricValue="2.013" pageId="21" pageNumber="22" unit="m" value="2013.0">2013 m</elevation>
</quantity>
,
<emphasis id="BF911C7F710E237665F1FA1FFEFDFA7B" bold="true" box="[187,290,1436,1462]" pageId="21" pageNumber="22">
<typeStatus id="525E7ECF710E237665F1FA1FFEFDFA7B" box="[187,290,1436,1462]" pageId="21" pageNumber="22" type="holotype">holotype</typeStatus>
</emphasis>
(
<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>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="C5FF93E6710E2375658DFA43FDF0FDD4" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22" type="description">
<paragraph id="8D5AC06D710E2376658DFA43FBE3F936" blockId="21.[151,1437,1364,2039]" pageId="21" pageNumber="22">
<emphasis id="BF911C7F710E2376658DFA43FE8EFA17" bold="true" box="[199,337,1472,1498]" pageId="21" pageNumber="22">Description</emphasis>
. A moderately large species,
<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>
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 1920, distorting overall shape, but both sections remain joined (
<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. AB 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. AB, stained with Shirlastain A; CD 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. 10AB</figureCitation>
,
<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. AB 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>
). 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. AB, stained with Shirlastain A; CD 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. AB, stained with Shirlastain A; CD 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. AB, stained with Shirlastain A; CD 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. AB, stained with Shirlastain A; CD 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. 10AB</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. AB 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. AB, stained with Shirlastain A; CD 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. 10AD</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. AB, stained with Shirlastain A; CD 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. AB, stained with Shirlastain A; CD 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. AB, stained with Shirlastain A; CD 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. AB, stained with Shirlastain A; CD 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. 10AC</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 910 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">56 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">13 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. AB 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. 11CD</figureCitation>
). Spines 12 per notopodium and 23 per neuropodium, accompanied by 13 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. AB 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. AB, stained with Shirlastain A; CD 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. 10CD</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. AB, stained with Shirlastain A; CD 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. AB, stained with Shirlastain A; CD 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. AB 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>