300 lines
42 KiB
XML
300 lines
42 KiB
XML
<document id="40717ABC947647C085F4862577ADD51D" ID-DOI="10.3853/j.2201-4349.75.2023.1799" ID-ISSN="2201-4349" ID-Zenodo-Dep="10414165" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1703108759495" checkinUser="felipe" docAuthor="Blake, James A." docDate="2023" docId="03B987C1FFC7ED4EB6C3FA176A02FB61" docLanguage="en" docName="RecAustMus.75.3.249-270.pdf" docOrigin="Records of the Australian Museum (Rec. Aust. Mus.) 75 (3)" docSource="http://dx.doi.org/10.3853/j.2201-4349.75.2023.1799" docStyle="DocumentStyle:997BA24B490466A2F99594A367FA147F.4:RecAustMus.2019-.journal_article.0cover" docStyleId="997BA24B490466A2F99594A367FA147F" docStyleName="RecAustMus.2019-.journal_article.0cover" docStyleVersion="4" docTitle="Chaetozone abyssalis Blake 2023, sp. nov." docType="treatment" docUuid="E94E1862-60B5-476E-801C-49D11C514756" docUuidSource="ZooBank" docVersion="3" lastPageNumber="262" masterDocId="FF80FFB9FFCCED43B619FF806B42FF93" masterDocTitle="New Species of Cirratulidae (Annelida) from Continental Slope and Abyssal Depths off Eastern Australia" masterLastPageNumber="270" masterPageNumber="249" pageNumber="260" updateTime="1703110597725" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-4.0">
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<mods:titleInfo id="E890A171356DD86FD146F51E5E5681B0">
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<mods:title id="0156CD1D4AF3E77217FC95C7F699E1C2">New Species of Cirratulidae (Annelida) from Continental Slope and Abyssal Depths off Eastern Australia</mods:title>
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<mods:name id="A86BC7F953AECAEB856238632A480C6C" type="personal">
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<mods:roleTerm id="1C4BE7EC8B4D2FD9829871B382D4DB32">Author</mods:roleTerm>
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<mods:namePart id="75212AC5E2766D9C0AC59EAA32191B97">Blake, James A.</mods:namePart>
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<mods:typeOfResource id="E844A0FCF1DEB2AD5D24FD04A811F4A0">text</mods:typeOfResource>
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<mods:title id="36B34FD6431C49C061C68367A8EB68E0">Records of the Australian Museum</mods:title>
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<mods:part id="2DF95BD69BD1B253001CD46ABF07D020">
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<mods:date id="8AE723AD94BF6B35482E994DD4DE1643">2023</mods:date>
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<mods:detail id="F115169CB4678FCD077C5887F7E5D865" type="series">
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<mods:title id="90DA938731B8CAD536E6ECBC0C7A19FA">Rec. Aust. Mus.</mods:title>
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<mods:number id="62260BFAD592B0D41ED3138E421A6186">2023-05-17</mods:number>
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<mods:number id="8239CEC40ECA0BBBD30AB857B57AEAEA">75</mods:number>
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<mods:detail id="F01D1645F687D12BE8F772475AE83755" type="issue">
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<mods:number id="CFC6E797DD0A19955A47EF5726082564">3</mods:number>
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<mods:start id="FE333BD39A7D00ABD39FF0936D7F35EE">249</mods:start>
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<mods:end id="04A5F0865E4E53F0EFAC38AB61AA6DC7">270</mods:end>
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<mods:url id="444A53EEEA72F0EB6445D34E8FE17507">http://dx.doi.org/10.3853/j.2201-4349.75.2023.1799</mods:url>
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</mods:location>
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<mods:classification id="EAD5CEF13D9F25ADDD22CD390D9CD712">journal article</mods:classification>
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<mods:identifier id="148EDEB877538A2189CD16B4BFFE23A5" type="DOI">10.3853/j.2201-4349.75.2023.1799</mods:identifier>
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<mods:identifier id="8F52F2DE2F1CA4E72020F258456A4F70" type="ISSN">2201-4349</mods:identifier>
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<mods:identifier id="D67CFB58AF2FCC663FD32E5F478BCFF0" type="Zenodo-Dep">10414165</mods:identifier>
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<mods:identifier id="5BBF87F757984E035AAA3D4671F940BF" type="ZooBank">7D3BDF25-010F-41A4-AD15-763C3F067D8A</mods:identifier>
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</mods:mods>
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<treatment id="03B987C1FFC7ED4EB6C3FA176A02FB61" ID-DOI="http://doi.org/10.5281/zenodo.10413970" ID-Zenodo-Dep="10413970" LSID="urn:lsid:zoobank.org:act:E94E1862-60B5-476E-801C-49D11C514756" httpUri="http://treatment.plazi.org/id/03B987C1FFC7ED4EB6C3FA176A02FB61" lastPageId="13" lastPageNumber="262" pageId="11" pageNumber="260">
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<subSubSection id="C30A655CFFC7ED48B6C3FA17699AFA49" pageId="11" pageNumber="260" type="nomenclature">
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<paragraph id="8BAF36D7FFC7ED48B6C3FA1769C9FA24" blockId="11.[218,651,1431,1463]" box="[218,651,1431,1463]" pageId="11" pageNumber="260">
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<heading id="D0E781BBFFC7ED48B6C3FA1769C9FA24" bold="true" box="[218,651,1431,1463]" centered="true" fontSize="12" level="2" pageId="11" pageNumber="260" reason="2">
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<emphasis id="B964EAC5FFC7ED48B6C3FA1769C9FA24" bold="true" box="[218,651,1431,1463]" pageId="11" pageNumber="260">
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<taxonomicName id="4C104D54FFC7ED48B6C3FA176953FA25" ID-CoL="BDS67" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[218,529,1431,1462]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="11" pageNumber="260" phylum="Annelida" rank="species" species="abyssalis" status="sp. nov.">
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<emphasis id="B964EAC5FFC7ED48B6C3FA176953FA25" bold="true" box="[218,529,1431,1462]" italics="true" pageId="11" pageNumber="260">Chaetozone abyssalis</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A25757BEFFC7ED48B403FA1869C9FA24" box="[538,651,1432,1463]" pageId="11" pageNumber="260" rank="species">sp. nov.</taxonomicNameLabel>
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</emphasis>
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</heading>
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</paragraph>
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<paragraph id="8BAF36D7FFC7ED48B694FA48699AFA49" blockId="11.[141,728,1480,1498]" box="[141,728,1480,1498]" pageId="11" pageNumber="260">
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<uri id="FF813AD5FFC7ED48B694FA48699AFA49" box="[141,728,1480,1498]" pageId="11" pageNumber="260">
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urn:lsid:zoobank.org:act:
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<uuid id="FFB60C02FFC7ED48B741FA48699AFA49" box="[344,728,1480,1498]" pageId="11" pageNumber="260">E94E1862-60B5-476E-801C-49D11C514756</uuid>
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||
</uri>
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||
</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C30A655CFFC7ED48B766FA776AA4F982" box="[383,486,1527,1553]" pageId="11" pageNumber="260" type="description">
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<paragraph id="8BAF36D7FFC7ED48B766FA776AA4F982" blockId="11.[383,486,1527,1553]" box="[383,486,1527,1553]" pageId="11" pageNumber="260">
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<figureCitation id="132B2A52FFC7ED48B766FA776AA4F982" box="[383,486,1527,1553]" captionStart-0="Figure 7" captionStart-1="Figure 8" captionStartId-0="11.[121,189,1189,1211]" captionStartId-1="12.[166,234,1761,1783]" captionTargetBox-0="[143,1388,158,1174]" captionTargetBox-1="[167,1467,151,1749]" captionTargetId-0="figure-172@11.[121,1421,148,1189]" captionTargetId-1="figure-6@12.[167,1467,151,1749]" captionTargetPageId-0="11" captionTargetPageId-1="12" captionText-0="Figure 7. Chaetozone abyssalis sp. nov. (A–C) holotype (AM W.52712): (A) anterior end, dorsal view; (B) anterior end, ventral view; (C) neuroacicular spines." captionText-1="Figure 8. Chaetozone abyssalis sp. nov. Photomicrographs converted to grayscale. (A–B), holotype (AM W.52712): entire worm, dorsal view; (B) detail of enlarged “stomach” and eggs. (C) paratype (AM W.53526): entire worm, twisted in lateral view.All originally stained with Shirlastain A." figureDoi-0="http://doi.org/10.5281/zenodo.10414179" figureDoi-1="http://doi.org/10.5281/zenodo.10414181" httpUri-0="https://zenodo.org/record/10414179/files/figure.png" httpUri-1="https://zenodo.org/record/10414181/files/figure.png" pageId="11" pageNumber="260">Figs 7–8</figureCitation>
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="C30A655CFFC7ED48B660F9A76908F8BA" pageId="11" pageNumber="260" type="materials_examined">
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<paragraph id="8BAF36D7FFC7ED48B660F9A76908F8BA" blockId="11.[121,749,1574,1833]" pageId="11" pageNumber="260">
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<materialsCitation id="3B783C8AFFC7ED48B660F9A7692FF905" collectingDate="2017-06-04" collectionCode="RV, AM" country="Australia" county="Brenke" elevation="4031" latitude="-30.163" location="Abyssal" longLatPrecision="73" longitude="153.524" municipality="Hunter Marine Park" pageId="11" pageNumber="260" specimenCount="1" stateProvince="New South Wales" typeStatus="holotype">
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<emphasis id="B964EAC5FFC7ED48B660F9A76BA6F9AC" bold="true" box="[121,228,1575,1599]" pageId="11" pageNumber="260">
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||
<typeStatus id="54AB8875FFC7ED48B660F9A76BA6F9AC" box="[121,228,1575,1599]" pageId="11" pageNumber="260" type="holotype">Holotype</typeStatus>
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||
</emphasis>
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||
:
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<location id="8ECF600CFFC7ED48B6ECF9A66A0FF9AD" LSID="urn:lsid:plazi:treatment:03B987C1FFC7ED4EB6C3FA176A02FB61:8ECF600CFFC7ED48B6ECF9A66A0FF9AD" box="[245,333,1574,1598]" country="Australia" county="Brenke" latitude="-30.163" longLatPrecision="73" longitude="153.524" municipality="Hunter Marine Park" name="Abyssal" pageId="11" pageNumber="260" stateProvince="New South Wales">Abyssal</location>
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plain off
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<collectingRegion id="49D4F835FFC7ED48B7DBF9A769CDF9AD" box="[450,655,1574,1598]" country="Australia" name="New South Wales" pageId="11" pageNumber="260">New South Wales</collectingRegion>
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, eastern
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<collectingCountry id="F3077647FFC7ED48B660F9C46B9CF9CF" box="[121,222,1604,1628]" name="Australia" pageId="11" pageNumber="260">Australia</collectingCountry>
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||
,
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||
<collectingMunicipality id="6BCBACADFFC7ED48B6F3F9C46A84F9CF" box="[234,454,1604,1628]" pageId="11" pageNumber="260">Hunter Marine Park</collectingMunicipality>
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||
,
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||
<collectionCode id="ED01AE12FFC7ED48B7CBF9C46AB6F9C8" box="[466,500,1604,1627]" country="Italy" name="Collection of Leptospira Strains" pageId="11" pageNumber="260">RV</collectionCode>
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||
<taxonomicName id="4C104D54FFC7ED48B7E4F9C469F4F9CF" authority=", Sta." authorityName="Sta." box="[509,694,1604,1628]" class="Actinopterygii" family="Nemichthyidae" genus="Investigator" higherTaxonomySource="GBIF" kingdom="Animalia" order="Anguilliformes" pageId="11" pageNumber="260" phylum="Chordata" rank="genus">
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<emphasis id="B964EAC5FFC7ED48B7E4F9C4693CF9C8" box="[509,638,1604,1627]" italics="true" pageId="11" pageNumber="260">Investigator</emphasis>
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, Sta.
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</taxonomicName>
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||
079, coll.
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<date id="FFAE1017FFC7ED48B6A8F9E16A7BF9EA" box="[177,313,1633,1657]" pageId="11" pageNumber="260" value="2017-06-04">
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||
<collectingDate id="EFEAE9FFFFC7ED48B6A8F9E16A7BF9EA" box="[177,313,1633,1657]" pageId="11" pageNumber="260" value="2017-06-04">4 June 2017</collectingDate>
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||
</date>
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||
,
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||
<collectingCounty id="62CE4E5BFFC7ED48B75EF9E16AD6F9EA" box="[327,404,1633,1657]" pageId="11" pageNumber="260">Brenke</collectingCounty>
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||
sledge,
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||
<geoCoordinate id="EE245010FFC7ED48B7E8F9E16916F9EA" box="[497,596,1633,1657]" degrees="32.527" direction="south" orientation="latitude" pageId="11" pageNumber="260" precision="55" value="-32.527">32.527°S</geoCoordinate>
|
||
<geoCoordinate id="EE245010FFC7ED48B444F9E1698DF9EA" box="[605,719,1633,1657]" degrees="153.898" direction="east" orientation="longitude" pageId="11" pageNumber="260" precision="55" value="153.898">153.898°E</geoCoordinate>
|
||
to
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||
<geoCoordinate id="EE245010FFC7ED48B660F9FE6B9EF904" box="[121,220,1662,1687]" degrees="30.163" direction="south" orientation="latitude" pageId="11" pageNumber="260" precision="55" value="-30.163">30.163°S</geoCoordinate>
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||
<geoCoordinate id="EE245010FFC7ED48B6FCF9FE6A1BF905" box="[229,345,1662,1686]" degrees="153.524" direction="east" orientation="longitude" pageId="11" pageNumber="260" precision="55" value="153.524">153.524°E</geoCoordinate>
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||
,
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||
<quantity id="4CE89B32FFC7ED48B77EF9FF6AF9F905" box="[359,443,1663,1687]" metricMagnitude="3" metricUnit="m" metricValue="4.031" pageId="11" pageNumber="260" unit="m" value="4031.0">
|
||
<elevation id="003DD1E4FFC7ED48B77EF9FF6AF9F905" box="[359,443,1663,1687]" metricMagnitude="3" metricUnit="m" metricValue="4.031" pageId="11" pageNumber="260" unit="m" value="4031.0">4031 m</elevation>
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||
</quantity>
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||
(
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<collectionCode id="ED01AE12FFC7ED48B7D5F9FF6ABBF904" box="[460,505,1663,1687]" country="Australia" name="Australian Museum" pageId="11" pageNumber="260" type="Museum">AM</collectionCode>
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||
W.52712)
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||
</materialsCitation>
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||
.
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||
<materialsCitation id="3B783C8AFFC7ED48B463F9FF6904F8BA" collectingDate="2017-05-23" collectionCode="RV, AM" country="Australia" county="Abyssal" elevation="4170" latitude="-39.391" location="Brenke" longLatPrecision="70" longitude="149.597" municipality="Bass Strait Marine Park" pageId="11" pageNumber="260" specimenCount="1" stateProvince="Victoria" typeStatus="paratype">
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||
<emphasis id="B964EAC5FFC7ED48B463F9FF69AEF904" bold="true" box="[634,748,1663,1687]" pageId="11" pageNumber="260">
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||
<typeStatus id="54AB8875FFC7ED48B463F9FF69AEF904" box="[634,748,1663,1687]" pageId="11" pageNumber="260" type="paratype">Paratypes</typeStatus>
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||
</emphasis>
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(5): same data as holotype (1, W.53526);—
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<collectingCounty id="62CE4E5BFFC7ED48B44FF91C69EFF927" box="[598,685,1692,1716]" pageId="11" pageNumber="260">Abyssal</collectingCounty>
|
||
plain off eastern
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||
<collectingCountry id="F3077647FFC7ED48B6F7F9396A11F942" box="[238,339,1721,1745]" name="Australia" pageId="11" pageNumber="260">Australia</collectingCountry>
|
||
, between
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||
<collectingRegion id="49D4F835FFC7ED48B7A4F9396951F942" box="[445,531,1721,1745]" country="Australia" name="Victoria" pageId="11" pageNumber="260">Victoria</collectingRegion>
|
||
and
|
||
<collectingRegion id="49D4F835FFC7ED48B45EF93969F2F942" box="[583,688,1721,1745]" country="Australia" name="Tasmania" pageId="11" pageNumber="260">Tasmania</collectingRegion>
|
||
,
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||
<collectingMunicipality id="6BCBACADFFC7ED48B4A3F93A6A0AF97D" pageId="11" pageNumber="260">Bass Strait Marine Park</collectingMunicipality>
|
||
, Sta. 031, coll.
|
||
<date id="FFAE1017FFC7ED48B7E0F95769D3F97C" box="[505,657,1751,1775]" pageId="11" pageNumber="260" value="2017-05-23">
|
||
<collectingDate id="EFEAE9FFFFC7ED48B7E0F95769D3F97C" box="[505,657,1751,1775]" pageId="11" pageNumber="260" value="2017-05-23">23 May 2017</collectingDate>
|
||
</date>
|
||
,
|
||
<location id="8ECF600CFFC7ED48B486F95669AEF97D" LSID="urn:lsid:plazi:treatment:03B987C1FFC7ED4EB6C3FA176A02FB61:8ECF600CFFC7ED48B486F95669AEF97D" box="[671,748,1750,1774]" country="Australia" county="Abyssal" latitude="-39.391" longLatPrecision="70" longitude="149.597" municipality="Bass Strait Marine Park" name="Brenke" pageId="11" pageNumber="260" stateProvince="Victoria">Brenke</location>
|
||
sledge,
|
||
<geoCoordinate id="EE245010FFC7ED48B6D5F9746A6DF89F" box="[204,303,1780,1804]" degrees="39.422" direction="south" orientation="latitude" pageId="11" pageNumber="260" precision="55" value="-39.422">39.422°S</geoCoordinate>
|
||
<geoCoordinate id="EE245010FFC7ED48B72FF9746AEAF89F" box="[310,424,1780,1804]" degrees="149.604" direction="east" orientation="longitude" pageId="11" pageNumber="260" precision="55" value="149.604">149.604°E</geoCoordinate>
|
||
to
|
||
<geoCoordinate id="EE245010FFC7ED48B7D5F9746972F89F" box="[460,560,1780,1804]" degrees="39.391" direction="south" orientation="latitude" pageId="11" pageNumber="260" precision="55" value="-39.391">39.391°S</geoCoordinate>
|
||
<geoCoordinate id="EE245010FFC7ED48B42EF97469E9F89F" box="[567,683,1780,1804]" degrees="149.597" direction="east" orientation="longitude" pageId="11" pageNumber="260" precision="55" value="149.597">149.597°E</geoCoordinate>
|
||
,
|
||
<quantity id="4CE89B32FFC7ED48B4AEF9746BCCF8BA" metricMagnitude="3" metricUnit="m" metricValue="4.17" pageId="11" pageNumber="260" unit="m" value="4170.0">
|
||
<elevation id="003DD1E4FFC7ED48B4AEF9746BCCF8BA" metricMagnitude="3" metricUnit="m" metricValue="4.17" pageId="11" pageNumber="260" unit="m" value="4170.0">4170 m</elevation>
|
||
</quantity>
|
||
(4, W.53528).
|
||
<location id="8ECF600CFFC7ED48B735F8916904F8BA" LSID="urn:lsid:plazi:treatment:03B987C1FFC7ED4EB6C3FA176A02FB61:8ECF600CFFC7ED48B735F8916904F8BA" box="[300,582,1809,1833]" country="Australia" county="Abyssal" latitude="-39.391" longLatPrecision="70" longitude="149.597" municipality="Bass Strait Marine Park" name="All in Australian Museum" pageId="11" pageNumber="260" stateProvince="Victoria">All in Australian Museum</location>
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30A655CFFC7ED4EB660F8BE6AACFD91" lastPageId="13" lastPageNumber="262" pageId="11" pageNumber="260" type="description">
|
||
<paragraph id="8BAF36D7FFC7ED48B660F8BE6F17F9FE" blockId="11.[121,749,1854,1996]" lastBlockId="11.[793,1422,1269,1997]" pageId="11" pageNumber="260">
|
||
<emphasis id="B964EAC5FFC7ED48B660F8BE6BBCF8C5" bold="true" box="[121,254,1854,1878]" pageId="11" pageNumber="260">Description</emphasis>
|
||
. A small species, all specimens incomplete.
|
||
<typeStatus id="54AB8875FFC7ED48B660F8DC6B9EF8E7" box="[121,220,1884,1908]" pageId="11" pageNumber="260" type="holotype">Holotype</typeStatus>
|
||
a gravid female, with 24 setigers,
|
||
<quantity id="4CE89B32FFC7ED48B479F8DC69F1F8E0" box="[608,691,1884,1908]" metricMagnitude="-3" metricUnit="m" metricValue="3.1" pageId="11" pageNumber="260" unit="mm" value="3.1">3.1 mm</quantity>
|
||
long and
|
||
<quantity id="4CE89B32FFC7ED48B6B1F8F96A4AF802" box="[168,264,1913,1937]" metricMagnitude="-4" metricUnit="m" metricValue="2.2" pageId="11" pageNumber="260" unit="mm" value="0.22">0.22 mm</quantity>
|
||
wide across anterior setigers;
|
||
<typeStatus id="54AB8875FFC7ED48B44DF8FA69F2F801" box="[596,688,1914,1938]" pageId="11" pageNumber="260" type="paratype">paratype</typeStatus>
|
||
(AM W.53526) of a similar size, but coiled, lacking gametes (
|
||
<figureCitation id="132B2A52FFC7ED48B4D8F8166BD8F85F" captionStart="Figure 8" captionStartId="12.[166,234,1761,1783]" captionTargetBox="[167,1467,151,1749]" captionTargetId="figure-6@12.[167,1467,151,1749]" captionTargetPageId="12" captionText="Figure 8. Chaetozone abyssalis sp. nov. Photomicrographs converted to grayscale. (A–B), holotype (AM W.52712): entire worm, dorsal view; (B) detail of enlarged “stomach” and eggs. (C) paratype (AM W.53526): entire worm, twisted in lateral view.All originally stained with Shirlastain A." figureDoi="http://doi.org/10.5281/zenodo.10414181" httpUri="https://zenodo.org/record/10414181/files/figure.png" pageId="11" pageNumber="260">Fig. 8C</figureCitation>
|
||
), with 24 setigers. Body elongate, narrow,
|
||
<typeStatus id="54AB8875FFC7ED48B443F83469F5F85F" box="[602,695,1972,1996]" pageId="11" pageNumber="260" type="holotype">holotype</typeStatus>
|
||
with anterior 5–10 setigers narrow, c. 4.5 times wider than long (
|
||
<figureCitation id="132B2A52FFC7ED48B53BFA936834FAB8" box="[802,886,1299,1323]" captionStart="Figure 7" captionStartId="11.[121,189,1189,1211]" captionTargetBox="[143,1388,158,1174]" captionTargetId="figure-172@11.[121,1421,148,1189]" captionTargetPageId="11" captionText="Figure 7. Chaetozone abyssalis sp. nov. (A–C) holotype (AM W.52712): (A) anterior end, dorsal view; (B) anterior end, ventral view; (C) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414179" httpUri="https://zenodo.org/record/10414179/files/figure.png" pageId="11" pageNumber="260">Fig. 7A</figureCitation>
|
||
), followed by swollen “stomach” area of about six setigers containing numerous eggs and an enlarged loop of the intestine filled with fine sediment (
|
||
<figureCitation id="132B2A52FFC7ED48B287FACD6E4DFAF6" box="[1182,1295,1357,1381]" captionStart="Figure 8" captionStartId="12.[166,234,1761,1783]" captionTargetBox="[167,1467,151,1749]" captionTargetId="figure-6@12.[167,1467,151,1749]" captionTargetPageId="12" captionText="Figure 8. Chaetozone abyssalis sp. nov. Photomicrographs converted to grayscale. (A–B), holotype (AM W.52712): entire worm, dorsal view; (B) detail of enlarged “stomach” and eggs. (C) paratype (AM W.53526): entire worm, twisted in lateral view.All originally stained with Shirlastain A." figureDoi="http://doi.org/10.5281/zenodo.10414181" httpUri="https://zenodo.org/record/10414181/files/figure.png" pageId="11" pageNumber="260">Fig. 8A–B</figureCitation>
|
||
); abdominal segments becoming moniliform, with partial cinctures developing on posterior segments of fragment.
|
||
<typeStatus id="54AB8875FFC7ED48B336FA086ECFFA33" box="[1327,1421,1416,1440]" pageId="11" pageNumber="260" type="paratype">Paratype</typeStatus>
|
||
without enlarged “stomach” area but with some thickening of posterior thoracic segments filled with fine sediment particles. Dorsal and ventral crests and ridges absent. Eggs of
|
||
<typeStatus id="54AB8875FFC7ED48B520FA7D68D4F986" box="[825,918,1533,1557]" pageId="11" pageNumber="260" type="holotype">holotype</typeStatus>
|
||
numerous, tightly packed, from about setiger 10 to 22, each egg 100–120 µm in longest diameter with conspicuous germinal vesicle. Colour in alcohol: opaque white, with no body pigment.
|
||
</paragraph>
|
||
<paragraph id="8BAF36D7FFC7ED4FB521F9F369EDF84B" blockId="11.[793,1422,1269,1997]" lastBlockId="12.[166,794,1867,2008]" lastPageId="12" lastPageNumber="261" pageId="11" pageNumber="260">
|
||
Pre-setiger region elongate, thick, about as long as first four setigers (
|
||
<figureCitation id="132B2A52FFC7ED48B5A3F9106F78F93B" box="[954,1082,1680,1704]" captionStart="Figure 7" captionStartId="11.[121,189,1189,1211]" captionTargetBox="[143,1388,158,1174]" captionTargetId="figure-172@11.[121,1421,148,1189]" captionTargetPageId="11" captionText="Figure 7. Chaetozone abyssalis sp. nov. (A–C) holotype (AM W.52712): (A) anterior end, dorsal view; (B) anterior end, ventral view; (C) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414179" httpUri="https://zenodo.org/record/10414179/files/figure.png" pageId="11" pageNumber="260">Figs 7A–B</figureCitation>
|
||
,
|
||
<figureCitation id="132B2A52FFC7ED48B250F9106F2DF93B" box="[1097,1135,1680,1704]" captionStart="Figure 8" captionStartId="12.[166,234,1761,1783]" captionTargetBox="[167,1467,151,1749]" captionTargetId="figure-6@12.[167,1467,151,1749]" captionTargetPageId="12" captionText="Figure 8. Chaetozone abyssalis sp. nov. Photomicrographs converted to grayscale. (A–B), holotype (AM W.52712): entire worm, dorsal view; (B) detail of enlarged “stomach” and eggs. (C) paratype (AM W.53526): entire worm, twisted in lateral view.All originally stained with Shirlastain A." figureDoi="http://doi.org/10.5281/zenodo.10414181" httpUri="https://zenodo.org/record/10414181/files/figure.png" pageId="11" pageNumber="260">8A</figureCitation>
|
||
); with expanded anterior peristomial ring surrounding narrow prostomium and mouth. Prostomium conical, tapering to rounded tip (
|
||
<figureCitation id="132B2A52FFC7ED48B346F94B687FF893" captionStart="Figure 7" captionStartId="11.[121,189,1189,1211]" captionTargetBox="[143,1388,158,1174]" captionTargetId="figure-172@11.[121,1421,148,1189]" captionTargetPageId="11" captionText="Figure 7. Chaetozone abyssalis sp. nov. (A–C) holotype (AM W.52712): (A) anterior end, dorsal view; (B) anterior end, ventral view; (C) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414179" httpUri="https://zenodo.org/record/10414179/files/figure.png" pageId="11" pageNumber="260">Figs 7A</figureCitation>
|
||
,
|
||
<figureCitation id="132B2A52FFC7ED48B55FF9686828F893" box="[838,874,1768,1792]" captionStart="Figure 8" captionStartId="12.[166,234,1761,1783]" captionTargetBox="[167,1467,151,1749]" captionTargetId="figure-6@12.[167,1467,151,1749]" captionTargetPageId="12" captionText="Figure 8. Chaetozone abyssalis sp. nov. Photomicrographs converted to grayscale. (A–B), holotype (AM W.52712): entire worm, dorsal view; (B) detail of enlarged “stomach” and eggs. (C) paratype (AM W.53526): entire worm, twisted in lateral view.All originally stained with Shirlastain A." figureDoi="http://doi.org/10.5281/zenodo.10414181" httpUri="https://zenodo.org/record/10414181/files/figure.png" pageId="11" pageNumber="260">8A</figureCitation>
|
||
); eyespots absent; nuchal organs present as rounded lobes on posterior lateral margins (
|
||
<figureCitation id="132B2A52FFC7ED48B2ADF8856E52F88E" box="[1204,1296,1797,1821]" captionStart="Figure 7" captionStartId="11.[121,189,1189,1211]" captionTargetBox="[143,1388,158,1174]" captionTargetId="figure-172@11.[121,1421,148,1189]" captionTargetPageId="11" captionText="Figure 7. Chaetozone abyssalis sp. nov. (A–C) holotype (AM W.52712): (A) anterior end, dorsal view; (B) anterior end, ventral view; (C) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414179" httpUri="https://zenodo.org/record/10414179/files/figure.png" pageId="11" pageNumber="260">Fig. 7B</figureCitation>
|
||
); ventrally prostomium forming anterior lip of mouth. Peristomium with two rings; anterior ring swollen, dorsally merging gradually with second peristomial ring (
|
||
<figureCitation id="132B2A52FFC7ED48B2DCF8DD6E59F8E6" box="[1221,1307,1885,1909]" captionStart="Figure 7" captionStartId="11.[121,189,1189,1211]" captionTargetBox="[143,1388,158,1174]" captionTargetId="figure-172@11.[121,1421,148,1189]" captionTargetPageId="11" captionText="Figure 7. Chaetozone abyssalis sp. nov. (A–C) holotype (AM W.52712): (A) anterior end, dorsal view; (B) anterior end, ventral view; (C) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414179" httpUri="https://zenodo.org/record/10414179/files/figure.png" pageId="11" pageNumber="260">Fig. 7A</figureCitation>
|
||
); ventrally thickened forming posterior lip of mouth (
|
||
<figureCitation id="132B2A52FFC7ED48B2C0F8FB6E6FF800" box="[1241,1325,1915,1939]" captionStart="Figure 7" captionStartId="11.[121,189,1189,1211]" captionTargetBox="[143,1388,158,1174]" captionTargetId="figure-172@11.[121,1421,148,1189]" captionTargetPageId="11" captionText="Figure 7. Chaetozone abyssalis sp. nov. (A–C) holotype (AM W.52712): (A) anterior end, dorsal view; (B) anterior end, ventral view; (C) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414179" httpUri="https://zenodo.org/record/10414179/files/figure.png" pageId="11" pageNumber="260">Fig. 7B</figureCitation>
|
||
). Second peristomial ring relatively smooth dorsally, with low swelling mid-ventrally (
|
||
<figureCitation id="132B2A52FFC7ED48B5A5F8356F76F85E" box="[956,1076,1973,1997]" captionStart="Figure 7" captionStartId="11.[121,189,1189,1211]" captionTargetBox="[143,1388,158,1174]" captionTargetId="figure-172@11.[121,1421,148,1189]" captionTargetPageId="11" captionText="Figure 7. Chaetozone abyssalis sp. nov. (A–C) holotype (AM W.52712): (A) anterior end, dorsal view; (B) anterior end, ventral view; (C) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414179" httpUri="https://zenodo.org/record/10414179/files/figure.png" pageId="11" pageNumber="260">Fig. 7A–B</figureCitation>
|
||
). Dorsal tentacles arising about two-thirds along second peristomial ring with first branchiae arising directly posterior to tentacles on posterior border (
|
||
<figureCitation id="132B2A52FFC0ED4FB6B7F8066A47F80D" box="[174,261,1926,1950]" captionStart="Figure 7" captionStartId="11.[121,189,1189,1211]" captionTargetBox="[143,1388,158,1174]" captionTargetId="figure-172@11.[121,1421,148,1189]" captionTargetPageId="11" captionText="Figure 7. Chaetozone abyssalis sp. nov. (A–C) holotype (AM W.52712): (A) anterior end, dorsal view; (B) anterior end, ventral view; (C) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414179" httpUri="https://zenodo.org/record/10414179/files/figure.png" pageId="12" pageNumber="261">Fig. 7A</figureCitation>
|
||
). Second pair of branchiae on posterior border of first setiger; subsequent branchiae in similar position; most branchiae missing, represented by scars or stubs.
|
||
</paragraph>
|
||
<caption id="DF6F665FFFC0ED4FB6BFF9616A18F8B8" ID-DOI="http://doi.org/10.5281/zenodo.10414181" ID-Zenodo-Dep="10414181" httpUri="https://zenodo.org/record/10414181/files/figure.png" pageId="12" pageNumber="261" startId="12.[166,234,1761,1783]" targetBox="[167,1467,151,1749]" targetPageId="12" targetType="figure">
|
||
<paragraph id="8BAF36D7FFC0ED4FB6BFF9616A18F8B8" blockId="12.[166,1467,1761,1836]" pageId="12" pageNumber="261">
|
||
<emphasis id="B964EAC5FFC0ED4FB6BFF9616BB9F965" bold="true" box="[166,251,1761,1783]" pageId="12" pageNumber="261">Figure 8</emphasis>
|
||
.
|
||
<taxonomicName id="4C104D54FFC0ED4FB712F9616A98F965" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[267,474,1761,1782]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="12" pageNumber="261" phylum="Annelida" rank="species" species="abyssalis" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC0ED4FB712F9616A98F965" box="[267,474,1761,1782]" italics="true" pageId="12" pageNumber="261">Chaetozone abyssalis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC0ED4FB7F9F9616968F965" box="[480,554,1761,1782]" pageId="12" pageNumber="261" rank="species">sp. nov.</taxonomicNameLabel>
|
||
Photomicrographs converted to grayscale. (
|
||
<emphasis id="B964EAC5FFC0ED4FB5D4F96168B5F964" box="[973,1015,1761,1783]" italics="true" pageId="12" pageNumber="261">A–B</emphasis>
|
||
), holotype (AM W.52712): entire worm, dorsal view; (
|
||
<emphasis id="B964EAC5FFC0ED4FB6F0F97C6BBAF882" box="[233,248,1788,1809]" italics="true" pageId="12" pageNumber="261">B</emphasis>
|
||
) detail of enlarged “stomach” and eggs. (
|
||
<emphasis id="B964EAC5FFC0ED4FB49BF97C69D0F882" box="[642,658,1788,1809]" italics="true" pageId="12" pageNumber="261">C</emphasis>
|
||
) paratype (AM W.53526): entire worm, twisted in lateral view. All originally stained with Shirlastain A.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="8BAF36D7FFC0ED4EB57CF8CB6A46FE09" blockId="12.[839,1467,1867,2008]" lastBlockId="13.[121,749,151,439]" lastPageId="13" lastPageNumber="262" pageId="12" pageNumber="261">
|
||
Parapodia reduced to low ridges or mounds from which setae arise; posterior parapodia becoming moniliform with cinctured segments developing on posteriormost segments of both specimens.Anterior setae all long capillaries numbering about 10–12 per fascicle, including long natatory-like setae in most notopodia of anterior and middle segments (
|
||
<figureCitation id="132B2A52FFC1ED4EB469FF1769A0FF23" box="[624,738,151,176]" captionStart="Figure 8" captionStartId="12.[166,234,1761,1783]" captionTargetBox="[167,1467,151,1749]" captionTargetId="figure-6@12.[167,1467,151,1749]" captionTargetPageId="12" captionText="Figure 8. Chaetozone abyssalis sp. nov. Photomicrographs converted to grayscale. (A–B), holotype (AM W.52712): entire worm, dorsal view; (B) detail of enlarged “stomach” and eggs. (C) paratype (AM W.53526): entire worm, twisted in lateral view.All originally stained with Shirlastain A." figureDoi="http://doi.org/10.5281/zenodo.10414181" httpUri="https://zenodo.org/record/10414181/files/figure.png" pageId="13" pageNumber="262">Fig. 8A–C</figureCitation>
|
||
). Neuropodial acicular spines from setiger 22 and notopodial spines from setiger 24 on
|
||
<typeStatus id="54AB8875FFC1ED4EB78FFF526AB5FF79" box="[406,503,210,234]" pageId="13" pageNumber="262" type="holotype">holotype</typeStatus>
|
||
. Spines numbering six in neuropodia and two in notopodia in setiger 24, or last setiger of incomplete
|
||
<typeStatus id="54AB8875FFC1ED4EB744FE8D6AFCFEB6" box="[349,446,269,293]" pageId="13" pageNumber="262" type="holotype">holotype</typeStatus>
|
||
. Spines accompanied by 1–2 capillaries in neuropodia and
|
||
<quantity id="4CE89B32FFC1ED4EB7A0FEAA6ABCFED1" box="[441,510,298,322]" metricMagnitude="-2" metricUnit="m" metricValue="6.35" metricValueMax="7.62" metricValueMin="5.08" pageId="13" pageNumber="262" unit="in" value="2.5" valueMax="3.0" valueMin="2.0">2–3 in</quantity>
|
||
notopodia. Individual spines with basal manubrium at emergence from podial lobes; spines only weakly curved, tapering to narrow pointed tip (
|
||
<figureCitation id="132B2A52FFC1ED4EB6BDFE026BBAFE09" box="[164,248,386,410]" captionStart="Figure 7" captionStartId="11.[121,189,1189,1211]" captionTargetBox="[143,1388,158,1174]" captionTargetId="figure-172@11.[121,1421,148,1189]" captionTargetPageId="11" captionText="Figure 7. Chaetozone abyssalis sp. nov. (A–C) holotype (AM W.52712): (A) anterior end, dorsal view; (B) anterior end, ventral view; (C) neuroacicular spines." figureDoi="http://doi.org/10.5281/zenodo.10414179" httpUri="https://zenodo.org/record/10414179/files/figure.png" pageId="13" pageNumber="262">Fig. 7C</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BAF36D7FFC1ED4EB68EFE1F6929FE24" blockId="13.[121,749,151,439]" box="[151,619,415,439]" pageId="13" pageNumber="262">Pygidium unknown; specimens incomplete.</paragraph>
|
||
<paragraph id="8BAF36D7FFC1ED4EB660FE4D6AACFD91" blockId="13.[121,748,461,514]" pageId="13" pageNumber="262">
|
||
<emphasis id="B964EAC5FFC1ED4EB660FE4D6A3EFE76" bold="true" box="[121,380,461,485]" pageId="13" pageNumber="262">Methyl Green staining</emphasis>
|
||
. Stain retained on lateral sides of peristomium, otherwise no pattern.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30A655CFFC1ED4EB660FD986A11FBAC" pageId="13" pageNumber="262" type="discussion">
|
||
<paragraph id="8BAF36D7FFC1ED4EB660FD986995FCE1" blockId="13.[121,749,535,1087]" pageId="13" pageNumber="262">
|
||
<emphasis id="B964EAC5FFC1ED4EB660FD986BA3FDA3" bold="true" box="[121,225,536,560]" pageId="13" pageNumber="262">Remarks</emphasis>
|
||
.
|
||
<taxonomicName id="4C104D54FFC1ED4EB6F5FD976A93FDBC" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[236,465,535,559]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="abyssalis" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC1ED4EB6F5FD976A93FDBC" box="[236,465,535,559]" italics="true" pageId="13" pageNumber="262">Chaetozone abyssalis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC1ED4EB7CFFD986965FDBC" box="[470,551,536,559]" pageId="13" pageNumber="262" rank="species">sp. nov.</taxonomicNameLabel>
|
||
belongs to a group of deep-sea species that includes
|
||
<taxonomicName id="4C104D54FFC1ED4EB7C9FDB56BB8FDF9" authority="Blake, 2018" authorityName="Blake" authorityYear="2018" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="australosetosa">
|
||
<emphasis id="B964EAC5FFC1ED4EB7C9FDB569AEFDDE" box="[464,748,565,589]" italics="true" pageId="13" pageNumber="262">Chaetozone australosetosa</emphasis>
|
||
<bibRefCitation id="EF814B26FFC1ED4EB660FDD26BB8FDF9" author="Blake, J. A." box="[121,250,594,618]" pageId="13" pageNumber="262" pagination="1 - 130" refId="ref11963" refString="Blake, J. A. 2018. Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R / V Anton Bruun, USNS Eltanin, R / V Hero, RVIB Nathaniel B. Palmer, and R / V Polarstern from the Southern Ocean, Antarctica, and off Western South America. Zootaxa 4537: 1 - 130. https: // doi. org / 10.11646 / zootaxa. 4537.1.1" type="journal article" year="2018">Blake, 2018</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C104D54FFC1ED4EB736FDD269F0FDF9" authority="Blake, 2018" authorityName="Blake" authorityYear="2018" box="[303,690,594,618]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="biannulata">
|
||
<emphasis id="B964EAC5FFC1ED4EB736FDD2696AFDF9" box="[303,552,594,618]" italics="true" pageId="13" pageNumber="262">Chaetozone biannulata</emphasis>
|
||
<bibRefCitation id="EF814B26FFC1ED4EB437FDD269F0FDF9" author="Blake, J. A." box="[558,690,594,618]" pageId="13" pageNumber="262" pagination="1 - 130" refId="ref11963" refString="Blake, J. A. 2018. Bitentaculate Cirratulidae (Annelida, Polychaeta) collected chiefly during cruises of the R / V Anton Bruun, USNS Eltanin, R / V Hero, RVIB Nathaniel B. Palmer, and R / V Polarstern from the Southern Ocean, Antarctica, and off Western South America. Zootaxa 4537: 1 - 130. https: // doi. org / 10.11646 / zootaxa. 4537.1.1" type="journal article" year="2018">Blake, 2018</bibRefCitation>
|
||
</taxonomicName>
|
||
, both from Antarctic seas, and
|
||
<taxonomicName id="4C104D54FFC1ED4EB798FDEF69AEFD1B" authority="Blake, 2022" authorityName="Blake" authorityYear="2022" box="[385,748,623,648]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="profunda">
|
||
<emphasis id="B964EAC5FFC1ED4EB798FDEF6924FD14" box="[385,614,623,647]" italics="true" pageId="13" pageNumber="262">Chaetozone profunda</emphasis>
|
||
<bibRefCitation id="EF814B26FFC1ED4EB475FDEF69AEFD1B" author="Blake, J. A." box="[620,748,623,648]" pageId="13" pageNumber="262" pagination="1 - 89" refId="ref12147" refString="Blake, J. A. 2022. New species and records of Caulleriella, Chaetocirratulus and Chaetozone (Annelida, Cirratulidae) from continental shelf and slope depths of the Western North Atlantic Ocean. Zootaxa 5113 (1): 1 - 89. https: // doi. org / 10.11646 / zootaxa. 5113.1.1" type="journal article" year="2022">Blake, 2022</bibRefCitation>
|
||
</taxonomicName>
|
||
from deep water in the western North Atlantic. Each of these species has two peristomial rings with the large second ring bearing dorsal tentacles well anterior to the first pair of branchiae and setiger 1, suggesting that an achaetous segment is incorporated into the peristomium.
|
||
<taxonomicName id="4C104D54FFC1ED4EB41EFC8269AFFC89" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[519,749,770,794]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="abyssalis" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC1ED4EB41EFC8269AFFC89" box="[519,749,770,794]" italics="true" pageId="13" pageNumber="262">Chaetozone abyssalis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC1ED4EB660FCA06B8DFCA4" box="[121,207,800,823]" pageId="13" pageNumber="262" rank="species">sp. nov.</taxonomicNameLabel>
|
||
is most similar to
|
||
<taxonomicName id="4C104D54FFC1ED4EB7BFFCA06927FCA4" authorityName="Blake" authorityYear="2018" box="[422,613,799,823]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="australosetosa">
|
||
<emphasis id="B964EAC5FFC1ED4EB7BFFCA06927FCA4" box="[422,613,799,823]" italics="true" pageId="13" pageNumber="262">C. australosetosa</emphasis>
|
||
</taxonomicName>
|
||
in having a relatively thick pre-setiger region instead of one that is long, narrow, and tapering anteriorly to a pointed prostomium.
|
||
</paragraph>
|
||
<paragraph id="8BAF36D7FFC1ED4EB68EFCF76A11FBAC" blockId="13.[121,749,535,1087]" pageId="13" pageNumber="262">
|
||
<taxonomicName id="4C104D54FFC1ED4EB68EFCF76A3DFC1C" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[151,383,887,911]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="abyssalis" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC1ED4EB68EFCF76A3DFC1C" box="[151,383,887,911]" italics="true" pageId="13" pageNumber="262">Chaetozone abyssalis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC1ED4EB791FCF86A9EFC1C" box="[392,476,888,911]" pageId="13" pageNumber="262" rank="species">sp. nov.</taxonomicNameLabel>
|
||
differs from
|
||
<taxonomicName id="4C104D54FFC1ED4EB473FCF86BFFFC3E" authorityName="Blake" authorityYear="2018" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="australosetosa">
|
||
<emphasis id="B964EAC5FFC1ED4EB473FCF86BFFFC3E" italics="true" pageId="13" pageNumber="262">C. australosetosa</emphasis>
|
||
</taxonomicName>
|
||
in having the first peristomial ring expanded and separated from the prostomium instead of narrow and conical tapering to a prostomium that is mostly merged with it. The number of posterior spines between the two species cannot be compared due to the absence of complete specimens of
|
||
<taxonomicName id="4C104D54FFC1ED4EB660FBA86BB8FBAC" authority="Blake, 2023" authorityName="Blake" authorityYear="2023" box="[121,250,1063,1087]" class="Polychaeta" family="Cirratulidae" genus="Chaetozone" kingdom="Animalia" order="Terebellida" pageId="13" pageNumber="262" phylum="Annelida" rank="species" species="abyssalis" status="sp. nov.">
|
||
<emphasis id="B964EAC5FFC1ED4EB660FBA86BB8FBAC" box="[121,250,1063,1087]" italics="true" pageId="13" pageNumber="262">C. abyssalis</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A25757BEFFC1ED4EB718FBA86A11FBAC" box="[257,339,1064,1087]" pageId="13" pageNumber="262" rank="species">sp. nov.</taxonomicNameLabel>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30A655CFFC1ED4EB660FBD56A17FB34" pageId="13" pageNumber="262" type="etymology">
|
||
<paragraph id="8BAF36D7FFC1ED4EB660FBD56A17FB34" blockId="13.[121,749,1109,1191]" pageId="13" pageNumber="262">
|
||
<emphasis id="B964EAC5FFC1ED4EB660FBD56BB0FBFE" bold="true" box="[121,242,1109,1133]" pageId="13" pageNumber="262">Etymology</emphasis>
|
||
. The epithet is from
|
||
<emphasis id="B964EAC5FFC1ED4EB7DCFBD56942FBFE" box="[453,512,1109,1133]" italics="true" pageId="13" pageNumber="262">abyss</emphasis>
|
||
, Latin for a bottomless pit or the deep sea, in reference to this species being collected from abyssal depths.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30A655CFFC1ED4EB660FB3D6A02FB61" pageId="13" pageNumber="262" type="distribution">
|
||
<paragraph id="8BAF36D7FFC1ED4EB660FB3D6A02FB61" blockId="13.[121,749,1213,1266]" pageId="13" pageNumber="262">
|
||
<emphasis id="B964EAC5FFC1ED4EB660FB3D6A46FB46" bold="true" box="[121,260,1213,1237]" pageId="13" pageNumber="262">Distribution</emphasis>
|
||
. Abyssal plain off
|
||
<collectingRegion id="49D4F835FFC1ED4EB7CBFB3D69D7FB46" box="[466,661,1213,1237]" country="Australia" name="New South Wales" pageId="13" pageNumber="262">New South Wales</collectingRegion>
|
||
, eastern
|
||
<collectingCountry id="F3077647FFC1ED4EB660FB5A6B9CFB61" box="[121,222,1242,1266]" name="Australia" pageId="13" pageNumber="262">Australia</collectingCountry>
|
||
,
|
||
<quantity id="4CE89B32FFC1ED4EB6F1FB5A6A7EFB61" box="[232,316,1242,1266]" metricMagnitude="3" metricUnit="m" metricValue="4.031" pageId="13" pageNumber="262" unit="m" value="4031.0">4031 m</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |