309 lines
42 KiB
XML
309 lines
42 KiB
XML
<document id="6075985C279EF2047348260496089ACB" ID-DOI="10.11646/zootaxa.5260.1.1" ID-ISSN="1175-5326" ID-Zenodo-Dep="7794920" ID-ZooBank="7171477F-DB75-4CF6-9507-3329F5D7A9F7" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1680527871645" checkinUser="plazi" docAuthor="Blake, James A. & Maciolek, Nancy J." docDate="2023" docId="03F1A22EFFA8CB1DFF7286D3FB47F8D2" docLanguage="en" docName="zootaxa.5260.1.1.pdf" docOrigin="Zootaxa 5260 (1)" docSource="http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Heterospio bidentata Blake & Maciolek 2023, new species" docType="treatment" docUuid="F02FC7F2-9427-4C87-B909-EF789C240339" docUuidSource="ZooBank" docVersion="5" lastPageNumber="38" masterDocId="FFC8DA56FF8CCB38FFE58038FFEAFFA3" masterDocTitle="New species and records of Heterospio (Annelida, Longosomatidae) from continental shelf, slope and abyssal depths of the Atlantic Ocean, Pacific Ocean, Indian Ocean and adjacent seas" masterLastPageNumber="74" masterPageNumber="1" pageNumber="37" updateTime="1699481072705" updateUser="plazi" zenodo-license-document="CC-BY-NC-4.0">
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<mods:title id="73E8489DC3EA4ECEA9C312A94B2CD870">New species and records of Heterospio (Annelida, Longosomatidae) from continental shelf, slope and abyssal depths of the Atlantic Ocean, Pacific Ocean, Indian Ocean and adjacent seas</mods:title>
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<mods:namePart id="18075AB7129328361F9B5D1E1CFD1A49">Blake, James A.</mods:namePart>
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<mods:nameIdentifier id="8154B59BBBF6407382983FCB44F1F48D" type="email">jablake9@gmail.com</mods:nameIdentifier>
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<mods:namePart id="49A1F7917E01AD1D6D2D1454A88F70C3">Maciolek, Nancy J.</mods:namePart>
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<mods:nameIdentifier id="5DE1DDB90A69BFEABC96B6AABAE792EF" type="email">njmaciolek@gmail.com</mods:nameIdentifier>
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<mods:title id="E81C90A8FBE7B545101A7E3EC4EF3058">Zootaxa</mods:title>
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<mods:part id="4197494E8FFCBD0389AA4DB2C12EB963">
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<mods:date id="63C53B21392498329E62B80FE7E0FAEF">2023</mods:date>
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<mods:number id="855972C1A666649B5ED05B58C05A6956">2023-04-03</mods:number>
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<mods:url id="8E3308A697629365E33789A1C6F15E73">http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN</mods:url>
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<mods:classification id="0A87CBDD562A4F3CE0F92DB5BECB37F1">journal article</mods:classification>
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<subSubSection id="C34240B3FFA8CB1CFF7286D3FDC0F8A7" box="[151,554,1770,1797]" pageId="36" pageNumber="37" type="nomenclature">
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<paragraph id="8BE71338FFA8CB1CFF7286D3FDC0F8A7" blockId="36.[151,944,1770,1869]" box="[151,554,1770,1797]" pageId="36" pageNumber="37">
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<heading id="D0AFA454FFA8CB1CFF7286D3FDC0F8A7" bold="true" box="[151,554,1770,1797]" fontSize="11" level="2" pageId="36" pageNumber="37" reason="4">
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<emphasis id="B92CCF2AFFA8CB1CFF7286D3FDC0F8A7" bold="true" box="[151,554,1770,1797]" pageId="36" pageNumber="37">
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<taxonomicName id="4C5868BBFFA8CB1CFF7286D3FE79F8A6" authority="Blake & Maciolek, 2023" authorityName="Blake & Maciolek" authorityYear="2023" box="[151,403,1770,1797]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="36" pageNumber="37" phylum="Annelida" rank="species" species="bidentata" status="sp. nov.">
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<emphasis id="B92CCF2AFFA8CB1CFF7286D3FE79F8A6" bold="true" box="[151,403,1770,1797]" italics="true" pageId="36" pageNumber="37">Heterospio bidentata</emphasis>
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</taxonomicName>
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<taxonomicNameLabel id="A21F7251FFA8CB1CFE7F86D3FDC0F8A7" box="[410,554,1770,1797]" pageId="36" pageNumber="37" 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 id="C34240B3FFA8CB1CFF728737FC5AF8EE" pageId="36" pageNumber="37" type="description">
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<paragraph id="8BE71338FFA8CB1CFF728737FED2F88A" blockId="36.[151,944,1770,1869]" box="[151,312,1807,1833]" pageId="36" pageNumber="37">
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<figureCitation id="13630FBDFFA8CB1CFF728737FED2F88A" box="[151,312,1807,1833]" captionStart-0="FIGURE 16" captionStart-1="FIGURE 17" captionStartId-0="38.[151,250,1943,1967]" captionStartId-1="39.[151,250,706,730]" captionTargetBox-0="[166,1422,199,1907]" captionTargetBox-1="[151,1437,181,683]" captionTargetId-0="figure-18@38.[152,1436,181,1920]" captionTargetId-1="figure-17@39.[151,1437,181,683]" captionTargetPageId-0="38" captionTargetPageId-1="39" captionText-0="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." captionText-1="FIGURE 17. Heterospio bidentata n. sp. Holotype (AM W.52715):Anterior end (setiger 1–6) with Methyl Green stain.Arrows denote concentrations of MG." figureDoi-0="http://doi.org/10.5281/zenodo.7794952" figureDoi-1="http://doi.org/10.5281/zenodo.7794954" httpUri-0="https://zenodo.org/record/7794952/files/figure.png" httpUri-1="https://zenodo.org/record/7794954/files/figure.png" pageId="36" pageNumber="37">Figures 16–17</figureCitation>
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</paragraph>
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<paragraph id="8BE71338FFA8CB1CFF72870BFC5AF8EE" blockId="36.[151,944,1770,1869]" box="[151,944,1843,1869]" pageId="36" pageNumber="37">
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urn:lsid:zoobank.org:act:
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<subSubSection id="C34240B3FFA8CB1CFF728742FD4AF87E" pageId="36" pageNumber="37" type="materials_examined">
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<paragraph id="8BE71338FFA8CB1CFF728742FD4AF87E" blockId="36.[151,1436,1914,2013]" pageId="36" pageNumber="37">
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<emphasis id="B92CCF2AFFA8CB1CFF728742FE95F837" bold="true" box="[151,383,1914,1940]" pageId="36" pageNumber="37">Material examined</emphasis>
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.
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<emphasis id="B92CCF2AFFA8CB1CFE768742FBCFF837" bold="true" box="[403,1061,1914,1941]" pageId="36" pageNumber="37">
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Continental slope off
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<materialsCitation id="3B301965FFA8CB1CFD418742FBCAF837" box="[676,1056,1914,1941]" country="Australia" location="Queensland" pageId="36" pageNumber="37" specimenCount="1" stateProvince="Queensland">
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<collectingRegion id="499CDDDAFFA8CB1CFD418742FCD9F837" box="[676,819,1914,1940]" country="Australia" name="Queensland" pageId="36" pageNumber="37">Queensland</collectingRegion>
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, Eastern
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<collectingCountry id="F34F53A8FFA8CB1CFC4B8742FBCAF837" box="[942,1056,1914,1940]" name="Australia" pageId="36" pageNumber="37">Australia</collectingCountry>
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</materialsCitation>
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,
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</emphasis>
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<materialsCitation id="3B301965FFA8CB1CFBD78742FA76F836" box="[1074,1436,1914,1941]" collectionCode="R, V" country="Australia" location="Coral Sea Marine Park" pageId="36" pageNumber="37" specimenCount="1" stateProvince="Coral Sea Marine Park">
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<emphasis id="B92CCF2AFFA8CB1CFBD78742FA8BF836" bold="true" box="[1074,1377,1914,1941]" pageId="36" pageNumber="37">
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<collectingRegion id="499CDDDAFFA8CB1CFBD78742FAB6F836" box="[1074,1372,1914,1941]" name="Coral Sea Marine Park" pageId="36" pageNumber="37">Coral Sea Marine Park</collectingRegion>
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,
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</emphasis>
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<collectionCode id="ED498BFDFFA8CB1CFA8B8743FA6AF836" box="[1390,1408,1915,1941]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="36" pageNumber="37">R</collectionCode>
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/
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<collectionCode id="ED498BFDFFA8CB1CFA6C8743FA76F836" box="[1417,1436,1915,1941]" country="Canada" lsid="urn:lsid:biocol.org:col:13946" name="Royal British Columbia Museum - Herbarium" pageId="36" pageNumber="37" type="Museum">V</collectionCode>
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</materialsCitation>
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<materialsCitation id="3B301965FFA8CB1CFF7287A7FD76F87E" collectingDate="2017-06-14" collectionCode="AM" country="Australia" elevation="2093" latitude="-28.774" location="Brenke" longLatPrecision="73" longitude="154.546" pageId="36" pageNumber="37" specimenCount="1" stateProvince="Coral Sea Marine Park" typeStatus="holotype">
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<taxonomicName id="4C5868BBFFA8CB1CFF7287A7FEB1F81A" authority=", Sta." authorityName="Sta." box="[151,347,1951,1977]" class="Actinopterygii" family="Nemichthyidae" genus="Investigator" higherTaxonomySource="GBIF" kingdom="Animalia" order="Anguilliformes" pageId="36" pageNumber="37" phylum="Chordata" rank="genus">
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<emphasis id="B92CCF2AFFA8CB1CFF7287A7FEF4F81B" box="[151,286,1951,1976]" italics="true" pageId="36" pageNumber="37">Investigator</emphasis>
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, Sta.
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</taxonomicName>
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134, coll.
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<date id="FFE635F8FFA8CB1CFE3E87A7FD90F81A" box="[475,634,1951,1977]" pageId="36" pageNumber="37" value="2017-06-14">
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<collectingDate id="EFA2CC10FFA8CB1CFE3E87A7FD90F81A" box="[475,634,1951,1977]" pageId="36" pageNumber="37" value="2017-06-14">14 June 2017</collectingDate>
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</date>
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,
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sledge, start
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<geoCoordinate id="EE6C75FFFFA8CB1CFC9287A6FC0BF81A" box="[887,993,1950,1977]" degrees="23.750" direction="south" orientation="latitude" pageId="36" pageNumber="37" precision="55" value="-23.75">23.750°S</geoCoordinate>
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,
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<geoCoordinate id="EE6C75FFFFA8CB1CFC1587A6FB80F81A" box="[1008,1130,1950,1977]" degrees="154.572" direction="east" orientation="longitude" pageId="36" pageNumber="37" precision="55" value="154.572">154.572°E</geoCoordinate>
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,
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<quantity id="4CA0BEDDFFA8CB1CFB9D87A7FB3BF81A" box="[1144,1233,1951,1977]" metricMagnitude="3" metricUnit="m" metricValue="2.093" pageId="36" pageNumber="37" unit="m" value="2093.0">
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<elevation id="0075F40BFFA8CB1CFB9D87A7FB3BF81A" box="[1144,1233,1951,1977]" metricMagnitude="3" metricUnit="m" metricValue="2.093" pageId="36" pageNumber="37" unit="m" value="2093.0">2093 m</elevation>
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</quantity>
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to end
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<geoCoordinate id="EE6C75FFFFA8CB1CFAC887A7FA72F81A" box="[1325,1432,1951,1977]" degrees="28.774" direction="south" orientation="latitude" pageId="36" pageNumber="37" precision="55" value="-28.774">28.774°S</geoCoordinate>
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,
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<geoCoordinate id="EE6C75FFFFA8CB1CFF7287FAFEFBF87E" box="[151,273,1986,2013]" degrees="154.546" direction="east" orientation="longitude" pageId="36" pageNumber="37" precision="55" value="154.546">154.546°E</geoCoordinate>
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,
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<quantity id="4CA0BEDDFFA8CB1CFEF987FAFE99F87E" box="[284,371,1986,2013]" metricMagnitude="3" metricUnit="m" metricValue="2.1559999999999997" pageId="36" pageNumber="37" unit="m" value="2156.0">
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<elevation id="0075F40BFFA8CB1CFEF987FAFE99F87E" box="[284,371,1986,2013]" metricMagnitude="3" metricUnit="m" metricValue="2.1559999999999997" pageId="36" pageNumber="37" unit="m" value="2156.0">2156 m</elevation>
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</quantity>
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,
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<emphasis id="B92CCF2AFFA8CB1CFE9A87FBFE0CF87E" bold="true" box="[383,486,1987,2013]" pageId="36" pageNumber="37">
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<typeStatus id="54E3AD9AFFA8CB1CFE9A87FBFE0CF87E" box="[383,486,1987,2013]" pageId="36" pageNumber="37" type="holotype">holotype</typeStatus>
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</emphasis>
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(
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<collectionCode id="ED498BFDFFA8CB1CFE1087FBFDCEF87E" box="[501,548,1987,2013]" country="Australia" name="Australian Museum" pageId="36" pageNumber="37" type="Museum">AM</collectionCode>
|
||
W.52715)
|
||
</materialsCitation>
|
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.
|
||
</paragraph>
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</subSubSection>
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<subSubSection id="C34240B3FFA9CB1DFF2280AEFDB2FB4A" pageId="37" pageNumber="38" type="description">
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<paragraph id="8BE71338FFA9CB1DFF2280AEFA8BFEC6" blockId="37.[151,1437,150,1905]" pageId="37" pageNumber="38">
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<emphasis id="B92CCF2AFFA9CB1DFF2280AEFEBBFF13" bold="true" box="[199,337,150,176]" pageId="37" pageNumber="38">Description</emphasis>
|
||
. A moderately sized species,
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||
<typeStatus id="54E3AD9AFFA9CB1DFD4480AFFCE9FF12" box="[673,771,151,177]" pageId="37" pageNumber="38" type="holotype">holotype</typeStatus>
|
||
(AM W.52715) only available specimen, incomplete, with 14 setigers,
|
||
<quantity id="4CA0BEDDFFA9CB1DFEFE8083FE83FF76" box="[283,361,187,213]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="37" pageNumber="38" unit="mm" value="10.0">10 mm</quantity>
|
||
long,
|
||
<quantity id="4CA0BEDDFFA9CB1DFE488083FDFAFF76" box="[429,528,187,213]" metricMagnitude="-4" metricUnit="m" metricValue="2.0" pageId="37" pageNumber="38" unit="mm" value="0.2">0.20 mm</quantity>
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||
wide across thoracic setigers. Body long, narrow, threadlike, divided into thoracic region with crowded segments and abdominal region with elongate cylindrical segments; posterior segments missing. Thoracic parapodia weakly swollen, elevated over dorsal and ventral surfaces (
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<figureCitation id="13630FBDFFA9CB1DFBF7813BFB71FEBE" box="[1042,1179,259,285]" captionStart="FIGURE 16" captionStartId="38.[151,250,1943,1967]" captionTargetBox="[166,1422,199,1907]" captionTargetId="figure-18@38.[152,1436,181,1920]" captionTargetPageId="38" captionText="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." figureDoi="http://doi.org/10.5281/zenodo.7794952" httpUri="https://zenodo.org/record/7794952/files/figure.png" pageId="37" pageNumber="38">Fig. 16A–C</figureCitation>
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||
); abdominal parapodia reduced; cylindrical, dorsal and ventral surfaces smooth, lacking grooves or ridges. A thin membrane observed on some abdominal setigers suggesting remnants of an adhering tube. Color in alcohol light tan; pigment absent.
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||
</paragraph>
|
||
<paragraph id="8BE71338FFA9CB1DFF228157FC7DFDC2" blockId="37.[151,1437,150,1905]" pageId="37" pageNumber="38">
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||
Pre-setiger region narrow, about as long as first 2.5 setigers (
|
||
<figureCitation id="13630FBDFFA9CB1DFC7A8157FBC7FE2A" box="[927,1069,367,393]" captionStart="FIGURE 16" captionStartId="38.[151,250,1943,1967]" captionTargetBox="[166,1422,199,1907]" captionTargetId="figure-18@38.[152,1436,181,1920]" captionTargetPageId="38" captionText="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." figureDoi="http://doi.org/10.5281/zenodo.7794952" httpUri="https://zenodo.org/record/7794952/files/figure.png" pageId="37" pageNumber="38">Fig. 16A–C</figureCitation>
|
||
). Prostomium elongate, weakly diamond-shaped, tapering anteriorly to rounded tip, posteriorly extending over peristomium to anterior margin of setiger 1 as a dorsal crest (
|
||
<figureCitation id="13630FBDFFA9CB1DFE07818FFD87FE72" box="[482,621,439,465]" captionStart="FIGURE 16" captionStartId="38.[151,250,1943,1967]" captionTargetBox="[166,1422,199,1907]" captionTargetId="figure-18@38.[152,1436,181,1920]" captionTargetPageId="38" captionText="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." figureDoi="http://doi.org/10.5281/zenodo.7794952" httpUri="https://zenodo.org/record/7794952/files/figure.png" pageId="37" pageNumber="38">Fig. 16A–B</figureCitation>
|
||
); eyes absent, nuchal organs not observed. Peristomium with two lateral grooves, producing two rings apparent laterally, but not crossing dorsal and ventral surfaces (
|
||
<figureCitation id="13630FBDFFA9CB1DFB4081E3FAC4FE56" box="[1189,1326,475,501]" captionStart="FIGURE 16" captionStartId="38.[151,250,1943,1967]" captionTargetBox="[166,1422,199,1907]" captionTargetId="figure-18@38.[152,1436,181,1920]" captionTargetPageId="38" captionText="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." figureDoi="http://doi.org/10.5281/zenodo.7794952" httpUri="https://zenodo.org/record/7794952/files/figure.png" pageId="37" pageNumber="38">Fig. 16A–C</figureCitation>
|
||
); dorsally interrupted by dorsal crest; dorsal tentacles absent, scars not apparent. Ventrally, mouth a semi-circular opening on first peristomial ring, with seven short lobes on anterior lip, none on posterior lip (
|
||
<figureCitation id="13630FBDFFA9CB1DFBD1821BFB76FD9E" box="[1076,1180,547,573]" captionStart="FIGURE 16" captionStartId="38.[151,250,1943,1967]" captionTargetBox="[166,1422,199,1907]" captionTargetId="figure-18@38.[152,1436,181,1920]" captionTargetPageId="38" captionText="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." figureDoi="http://doi.org/10.5281/zenodo.7794952" httpUri="https://zenodo.org/record/7794952/files/figure.png" pageId="37" pageNumber="38">Fig. 16C</figureCitation>
|
||
). Branchiae present on setigers 2–5 as short stubs or scars dorsal to notosetae (
|
||
<figureCitation id="13630FBDFFA9CB1DFCE4827FFC61FDC2" box="[769,907,583,609]" captionStart="FIGURE 16" captionStartId="38.[151,250,1943,1967]" captionTargetBox="[166,1422,199,1907]" captionTargetId="figure-18@38.[152,1436,181,1920]" captionTargetPageId="38" captionText="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." figureDoi="http://doi.org/10.5281/zenodo.7794952" httpUri="https://zenodo.org/record/7794952/files/figure.png" pageId="37" pageNumber="38">Fig. 16A–B</figureCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="8BE71338FFA9CB1DFF228253FABDFCB6" blockId="37.[151,1437,150,1905]" pageId="37" pageNumber="38">
|
||
Thoracic region consisting of six short setigers, each about as wide as long and a seventh setiger about 1.5 times longer than setiger 6 (
|
||
<figureCitation id="13630FBDFFA9CB1DFE2E82B7FDBEFD0A" box="[459,596,655,681]" captionStart="FIGURE 16" captionStartId="38.[151,250,1943,1967]" captionTargetBox="[166,1422,199,1907]" captionTargetId="figure-18@38.[152,1436,181,1920]" captionTargetPageId="38" captionText="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." figureDoi="http://doi.org/10.5281/zenodo.7794952" httpUri="https://zenodo.org/record/7794952/files/figure.png" pageId="37" pageNumber="38">Fig. 16A–B</figureCitation>
|
||
); setigers 1–7 slightly flattened dorsally with parapodia weakly inflated and elevated over dorsum; similarly inflated ventrally; setiger 8 greatly elongate, as long as first six thoracic segments, setiger 9 equally as long as setiger 8, setigers 8–14 comprising available elongate middle body or abdominal setigers, each about 15 times longer than short thoracic setigers, cylindrical with parapodia reduced, not conspicuous.
|
||
</paragraph>
|
||
<paragraph id="8BE71338FFA9CB1DFF228327FAB5FBFA" blockId="37.[151,1437,150,1905]" pageId="37" pageNumber="38">
|
||
All parapodia biramous with setal fascicles arising from anterior edge of segments. All thoracic notopodia with 8–12 capillaries; thoracic neuropodia of setiger 1 with five curved bidentate spines (
|
||
<figureCitation id="13630FBDFFA9CB1DFBD6837BFB5CFCFE" box="[1075,1206,835,861]" captionStart="FIGURE 16" captionStartId="38.[151,250,1943,1967]" captionTargetBox="[166,1422,199,1907]" captionTargetId="figure-18@38.[152,1436,181,1920]" captionTargetPageId="38" captionText="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." figureDoi="http://doi.org/10.5281/zenodo.7794952" httpUri="https://zenodo.org/record/7794952/files/figure.png" pageId="37" pageNumber="38">Fig. 16D–E</figureCitation>
|
||
) and 3–4 capillaries; setigers 2–7 with 6–8 capillary noto- and neurosetae. Elongate setiger 8 with capillaries, transitioning to acicular spines in both noto- and neuropodia on setiger 9, setae arranged in short fan-shaped fascicles consisting of two rows of setae with acicular spines in anterior row and capillaries in posterior row; parapodia of setigers 9–13 lateral with noto-and neuropodia close together leaving broad dorsal and ventral gaps, not producing encircling cinctures. Thoracic neuropodial bidentate spines of setiger 1 strongly curved, with thick blunt-tipped main fang on concave side of shaft surmounted by thin apical tooth on convex side (
|
||
<figureCitation id="13630FBDFFA9CB1DFCB18423FC37FB96" box="[852,989,1051,1077]" captionStart="FIGURE 16" captionStartId="38.[151,250,1943,1967]" captionTargetBox="[166,1422,199,1907]" captionTargetId="figure-18@38.[152,1436,181,1920]" captionTargetPageId="38" captionText="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." figureDoi="http://doi.org/10.5281/zenodo.7794952" httpUri="https://zenodo.org/record/7794952/files/figure.png" pageId="37" pageNumber="38">Fig. 16D–E</figureCitation>
|
||
). Abdominal acicular spines with thick, weakly curved shaft tapering to narrow pointed tip (
|
||
<figureCitation id="13630FBDFFA9CB1DFD388407FC8EFBFA" box="[733,868,1087,1113]" captionStart="FIGURE 16" captionStartId="38.[151,250,1943,1967]" captionTargetBox="[166,1422,199,1907]" captionTargetId="figure-18@38.[152,1436,181,1920]" captionTargetPageId="38" captionText="FIGURE 16. Heterospio bidentata n. sp. Holotype (AM W.52715): A, anterior end (setiger 1–8), dorsal view; B, anterior end (setiger 1–3), dorsal view; C, anterior end (setiger 1–3), ventral view; D–E, neuropodial acicular bidentate hooks from setiger 1; F–H, acicular spines from setiger 12. Arrows denote location of neuropodial hooks on setiger 1." figureDoi="http://doi.org/10.5281/zenodo.7794952" httpUri="https://zenodo.org/record/7794952/files/figure.png" pageId="37" pageNumber="38">Fig. 16F–H</figureCitation>
|
||
); aristate setae and subuluncini not observed.
|
||
</paragraph>
|
||
<paragraph id="8BE71338FFA9CB1DFF22845BFD35FBDE" blockId="37.[151,1437,150,1905]" box="[199,735,1123,1149]" pageId="37" pageNumber="38">Far posterior segments and pygidium unknown.</paragraph>
|
||
<paragraph id="8BE71338FFA9CB1DFF2284BFFDB2FB4A" blockId="37.[151,1437,150,1905]" pageId="37" pageNumber="38">
|
||
<emphasis id="B92CCF2AFFA9CB1DFF2284BFFE3FFB03" bold="true" box="[199,469,1158,1185]" pageId="37" pageNumber="38">Methyl Green staining</emphasis>
|
||
. Methyl Green imparts a distinctive pattern in which the pre-setiger region and dorsal and ventral surfaces of the thoracic setigers are heavily stained (
|
||
<figureCitation id="13630FBDFFA9CB1DFCBD8493FC40FB66" box="[856,938,1195,1221]" captionStart="FIGURE 17" captionStartId="39.[151,250,706,730]" captionTargetBox="[151,1437,181,683]" captionTargetId="figure-17@39.[151,1437,181,683]" captionTargetPageId="39" captionText="FIGURE 17. Heterospio bidentata n. sp. Holotype (AM W.52715):Anterior end (setiger 1–6) with Methyl Green stain.Arrows denote concentrations of MG." figureDoi="http://doi.org/10.5281/zenodo.7794954" httpUri="https://zenodo.org/record/7794954/files/figure.png" pageId="37" pageNumber="38">Fig. 17</figureCitation>
|
||
). The stain is concentrated in numerous large glandular cells that occur in those areas.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34240B3FFA9CB1DFF2284CBFDA1F8A6" pageId="37" pageNumber="38" type="discussion">
|
||
<paragraph id="8BE71338FFA9CB1DFF2284CBFB3BFA3E" blockId="37.[151,1437,150,1905]" pageId="37" pageNumber="38">
|
||
<emphasis id="B92CCF2AFFA9CB1DFF2284CBFEDEFAAE" bold="true" box="[199,308,1267,1293]" pageId="37" pageNumber="38">Remarks</emphasis>
|
||
.
|
||
<taxonomicName id="4C5868BBFFA9CB1DFEAC84CBFDD6FAAE" authority="Blake & Maciolek, 2023" authorityName="Blake & Maciolek" authorityYear="2023" box="[329,572,1267,1293]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="bidentata" status="sp. nov.">
|
||
<emphasis id="B92CCF2AFFA9CB1DFEAC84CBFDD6FAAE" box="[329,572,1267,1293]" italics="true" pageId="37" pageNumber="38">Heterospio bidentata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A21F7251FFA9CB1DFDAC84CBFD65FAAE" box="[585,655,1267,1293]" pageId="37" pageNumber="38" rank="species">
|
||
<emphasis id="B92CCF2AFFA9CB1DFDAC84CBFD6DFAAE" bold="true" box="[585,647,1267,1293]" pageId="37" pageNumber="38">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
is only the fourth species of the genus reported to have curved neuropodial spines in setiger 1 and the second with bidentate hooks. Two species reported with unidentate hooks are
|
||
<taxonomicName id="4C5868BBFFA9CB1DFF258503FDC2FAF6" authority="(Hartman, 1944)" baseAuthorityName="Hartman" baseAuthorityYear="1944" box="[192,552,1339,1365]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="catalinensis">
|
||
<emphasis id="B92CCF2AFFA9CB1DFF258503FE82FAF6" box="[192,360,1339,1365]" italics="true" pageId="37" pageNumber="38">H. catalinensis</emphasis>
|
||
(
|
||
<bibRefCitation id="EFC96EC9FFA9CB1DFE908503FDCAFAF6" author="Hartman, O." box="[373,544,1339,1365]" pageId="37" pageNumber="38" pagination="311 - 481" refId="ref47514" refString="Hartman, O. (1944) Polychaetous annelids. Part VI. Paraonidae, Magelonidae, Longosomidae, Ctenodrilidae, and Sabellariidae. Allan Hancock Pacific Expeditions, 10 (3), 311 - 481, pls. 27 - 42. [https: // www. biodiversitylibrary. org / page / 4680266]" type="journal article" year="1944">Hartman, 1944</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
from southern
|
||
<collectingRegion id="499CDDDAFFA9CB1DFD378503FCAEFAF6" box="[722,836,1339,1365]" country="United States of America" name="California" pageId="37" pageNumber="38">California</collectingRegion>
|
||
in shelf depths (
|
||
<bibRefCitation id="EFC96EC9FFA9CB1DFC1F8503FB4AFAF6" author="Hartman, O." box="[1018,1184,1339,1365]" pageId="37" pageNumber="38" pagination="311 - 481" refId="ref47514" refString="Hartman, O. (1944) Polychaetous annelids. Part VI. Paraonidae, Magelonidae, Longosomidae, Ctenodrilidae, and Sabellariidae. Allan Hancock Pacific Expeditions, 10 (3), 311 - 481, pls. 27 - 42. [https: // www. biodiversitylibrary. org / page / 4680266]" type="journal article" year="1944">Hartman 1944</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFC96EC9FFA9CB1DFB4F8502FB09FAF6" author="Hartman, O." box="[1194,1251,1338,1365]" pageId="37" pageNumber="38" pagination="211 - 393" refId="ref47572" refString="Hartman, O. (1957) Orbiniidae, Apistobranchidae, Paraonidae and Longosomidae. Allan Hancock Pacific Expeditions, 15 (3), 211 - 393, pls. 20 - 44, 1 chart. [https: // biodiversitylibrary. org / page / 4160176]" type="journal article" year="1957">1957</bibRefCitation>
|
||
) and
|
||
<taxonomicName id="4C5868BBFFA9CB1DFAC48503FF25FADA" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="undefined-a">
|
||
<emphasis id="B92CCF2AFFA9CB1DFAC48503FA76FAF7" box="[1313,1436,1339,1364]" italics="true" pageId="37" pageNumber="38">Heterospio</emphasis>
|
||
sp. A
|
||
</taxonomicName>
|
||
reported by
|
||
<bibRefCitation id="EFC96EC9FFA9CB1DFEB98567FDC7FADA" author="Uebelacker, J. M." box="[348,557,1375,1401]" pageId="37" pageNumber="38" pagination="10 - 6" refId="ref49268" refString="Uebelacker, J. M. (1984) Chpater 10. Family Heterospionidae Hartman, 1963. In: Uebelacker, J. M., Johnson, P. G., Vittor, B. A. & Associates (Eds.), Taxonomic Guide to the Polychaetes of the Northern Gulf of Mexico. Vol. II. U. S. Department of the Interior, Minerals Management Service, Metairie, Louisiana, pp. 10 - 1 - 10 - 6. Available from: https: // espis. boem. gov / final % 20 reports / 3865. pdf (accessed 9 September 2022)" type="book chapter" year="1984">Uebelacker (1984)</bibRefCitation>
|
||
from the Gulf of
|
||
<collectingRegion id="499CDDDAFFA9CB1DFD178567FCA1FADA" box="[754,843,1375,1401]" country="Mexico" name="Mexico" pageId="37" pageNumber="38">Mexico</collectingRegion>
|
||
.
|
||
<taxonomicName id="4C5868BBFFA9CB1DFCB08567FBABFADA" authority="Blake & Maciolek, 2023" authorityName="Blake & Maciolek" authorityYear="2023" box="[853,1089,1375,1401]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="bidentata" status="sp. nov.">
|
||
<emphasis id="B92CCF2AFFA9CB1DFCB08567FBABFADA" box="[853,1089,1375,1401]" italics="true" pageId="37" pageNumber="38">Heterospio bidentata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A21F7251FFA9CB1DFBA28567FB6CFADA" box="[1095,1158,1375,1401]" pageId="37" pageNumber="38" rank="species">
|
||
<emphasis id="B92CCF2AFFA9CB1DFBA28567FB95FADA" bold="true" box="[1095,1151,1375,1401]" pageId="37" pageNumber="38">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
and
|
||
<taxonomicName id="4C5868BBFFA9CB1DFB598567FAF2FADA" authority="Blake & Maciolek, 2023" authorityName="Blake & Maciolek" authorityYear="2023" box="[1212,1304,1375,1401]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="alata" status="sp. nov.">
|
||
<emphasis id="B92CCF2AFFA9CB1DFB598567FAF2FADA" box="[1212,1304,1375,1401]" italics="true" pageId="37" pageNumber="38">H. alata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A21F7251FFA9CB1DFAFB8567FAB6FADA" box="[1310,1372,1375,1401]" pageId="37" pageNumber="38" rank="species">
|
||
<emphasis id="B92CCF2AFFA9CB1DFAFB8567FABFFADA" bold="true" box="[1310,1365,1375,1401]" pageId="37" pageNumber="38">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
, both described in the present study, are the first having bidentate hooks in the neuropodia of setiger 1.
|
||
</paragraph>
|
||
<paragraph id="8BE71338FFA9CB1DFF22859FFE8BF98E" blockId="37.[151,1437,150,1905]" pageId="37" pageNumber="38">
|
||
In
|
||
<taxonomicName id="4C5868BBFFA9CB1DFF02859FFE9EFA62" authority="Blake & Maciolek, 2023" authorityName="Blake & Maciolek" authorityYear="2023" box="[231,372,1447,1473]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="bidentata" status="sp. nov.">
|
||
<emphasis id="B92CCF2AFFA9CB1DFF02859FFE9EFA62" box="[231,372,1447,1473]" italics="true" pageId="37" pageNumber="38">H. bidentata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A21F7251FFA9CB1DFE99859FFE56FA62" box="[380,444,1447,1473]" pageId="37" pageNumber="38" rank="species">
|
||
<emphasis id="B92CCF2AFFA9CB1DFE99859FFE5FFA62" bold="true" box="[380,437,1447,1473]" pageId="37" pageNumber="38">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
the apical tooth is a distinct secondary tooth arising directly from the shaft; whereas in
|
||
<taxonomicName id="4C5868BBFFA9CB1DFF7285F3FF1EFA46" authority="Blake & Maciolek, 2023" authorityName="Blake & Maciolek" authorityYear="2023" box="[151,244,1483,1509]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="alata" status="sp. nov.">
|
||
<emphasis id="B92CCF2AFFA9CB1DFF7285F3FF1EFA46" box="[151,244,1483,1509]" italics="true" pageId="37" pageNumber="38">H. alata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A21F7251FFA9CB1DFF1E85F3FED1FA46" box="[251,315,1483,1509]" pageId="37" pageNumber="38" rank="species">
|
||
<emphasis id="B92CCF2AFFA9CB1DFF1E85F3FEDEFA46" bold="true" box="[251,308,1483,1509]" pageId="37" pageNumber="38">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
the apical “tooth” is an extension of a flange or crest that occurs along the convex side of the shaft and extends over the curved tip or main tooth of the hook providing the bidentate appearance. See earlier remarks for
|
||
<taxonomicName id="4C5868BBFFA9CB1DFF5A862BFEF1F98E" authority="Blake & Maciolek, 2023" authorityName="Blake & Maciolek" authorityYear="2023" box="[191,283,1555,1581]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="alata" status="sp. nov.">
|
||
<emphasis id="B92CCF2AFFA9CB1DFF5A862BFEF1F98E" box="[191,283,1555,1581]" italics="true" pageId="37" pageNumber="38">H. alata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A21F7251FFA9CB1DFEC7862BFE8BF98E" box="[290,353,1555,1581]" pageId="37" pageNumber="38" rank="species">
|
||
<emphasis id="B92CCF2AFFA9CB1DFEC7862BFEB3F98E" bold="true" box="[290,345,1555,1581]" pageId="37" pageNumber="38">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
</paragraph>
|
||
<paragraph id="8BE71338FFA9CB1DFF22860FFDA1F8A6" blockId="37.[151,1437,150,1905]" pageId="37" pageNumber="38">
|
||
<taxonomicName id="4C5868BBFFA9CB1DFF22860FFE59F9F2" authority="Blake & Maciolek, 2023" authorityName="Blake & Maciolek" authorityYear="2023" box="[199,435,1591,1617]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="bidentata" status="sp. nov.">
|
||
<emphasis id="B92CCF2AFFA9CB1DFF22860FFE59F9F2" box="[199,435,1591,1617]" italics="true" pageId="37" pageNumber="38">Heterospio bidentata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A21F7251FFA9CB1DFE5F860FFE12F9F2" box="[442,504,1591,1617]" pageId="37" pageNumber="38" rank="species">
|
||
<emphasis id="B92CCF2AFFA9CB1DFE5F860FFE1BF9F2" bold="true" box="[442,497,1591,1617]" pageId="37" pageNumber="38">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
is further unusual among species of the genus in having the transition from defined tight setal fascicles to paired rows of setae with spines occurring on setiger 9. In most species, this transition occurs on setiger 10; in the other species with bidentate hooks,
|
||
<taxonomicName id="4C5868BBFFA9CB1DFCBC8647FC5EF93A" authority="Blake & Maciolek, 2023" authorityName="Blake & Maciolek" authorityYear="2023" box="[857,948,1663,1689]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="alata" status="sp. nov.">
|
||
<emphasis id="B92CCF2AFFA9CB1DFCBC8647FC5EF93A" box="[857,948,1663,1689]" italics="true" pageId="37" pageNumber="38">H. alata</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B92CCF2AFFA9CB1DFC5E8647FC13F93A" bold="true" box="[955,1017,1663,1689]" pageId="37" pageNumber="38">
|
||
<taxonomicNameLabel id="A21F7251FFA9CB1DFC5E8647FC13F93A" box="[955,1017,1663,1689]" pageId="37" pageNumber="38" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, the transition occurs at setiger 11. In addition, the rows of spines and capillaries on setigers 9–13 of
|
||
<taxonomicName id="4C5868BBFFA9CB1DFCB4869BFC36F91E" authority="Blake & Maciolek, 2023" authorityName="Blake & Maciolek" authorityYear="2023" box="[849,988,1699,1725]" class="Polychaeta" family="Longosomatidae" genus="Heterospio" kingdom="Animalia" order="Spionida" pageId="37" pageNumber="38" phylum="Annelida" rank="species" species="bidentata" status="sp. nov.">
|
||
<emphasis id="B92CCF2AFFA9CB1DFCB4869BFC36F91E" box="[849,988,1699,1725]" italics="true" pageId="37" pageNumber="38">H. bidentata</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A21F7251FFA9CB1DFC07869BFBCBF91E" box="[994,1057,1699,1725]" pageId="37" pageNumber="38" rank="species">
|
||
<emphasis id="B92CCF2AFFA9CB1DFC07869BFBF3F91E" bold="true" box="[994,1049,1699,1725]" pageId="37" pageNumber="38">n. sp</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
are short and limited to the lateral sides of individual segments, leaving wide dorsal and ventral gaps instead of producing the encircling cinctures that characterize most species of the genus.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34240B3FFA9CB1DFF228737FDF5F8EE" pageId="37" pageNumber="38" type="etymology">
|
||
<paragraph id="8BE71338FFA9CB1DFF228737FDF5F8EE" blockId="37.[151,1437,150,1905]" pageId="37" pageNumber="38">
|
||
<emphasis id="B92CCF2AFFA9CB1DFF228737FEA2F88A" bold="true" box="[199,328,1807,1833]" pageId="37" pageNumber="38">Etymology</emphasis>
|
||
. The epithet is from
|
||
<emphasis id="B92CCF2AFFA9CB1DFDD18737FD97F88A" box="[564,637,1807,1833]" italics="true" pageId="37" pageNumber="38">bidens</emphasis>
|
||
, Latin for two-toothed, in reference to the bidentate neuropodial hooks present on setiger 1 of this species.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34240B3FFA9CB1DFF22876EFB47F8D2" box="[199,1197,1878,1905]" pageId="37" pageNumber="38" type="distribution">
|
||
<paragraph id="8BE71338FFA9CB1DFF22876EFB47F8D2" blockId="37.[151,1437,150,1905]" box="[199,1197,1878,1905]" pageId="37" pageNumber="38">
|
||
<emphasis id="B92CCF2AFFA9CB1DFF22876EFEB3F8D3" bold="true" box="[199,345,1878,1904]" pageId="37" pageNumber="38">Distribution</emphasis>
|
||
. Abyssal Plain off
|
||
<collectingRegion id="499CDDDAFFA9CB1DFDCA876FFD5CF8D2" box="[559,694,1879,1905]" country="Australia" name="Queensland" pageId="37" pageNumber="38">Queensland</collectingRegion>
|
||
, Eastern
|
||
<collectingCountry id="F34F53A8FFA9CB1DFCFF876FFC6EF8D2" box="[794,900,1879,1905]" name="Australia" pageId="37" pageNumber="38">Australia</collectingCountry>
|
||
, Coral Sea,
|
||
<quantity id="4CA0BEDDFFA9CB1DFBEE876EFB43F8D2" box="[1035,1193,1878,1905]" metricMagnitude="3" metricUnit="m" metricValue="2.1245" metricValueMax="2.1559999999999997" metricValueMin="2.093" pageId="37" pageNumber="38" unit="m" value="2124.5" valueMax="2156.0" valueMin="2093.0">2093–2156 m</quantity>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |