treatments-xml/data/75/7F/0D/757F0D3E96562329D8C0FA61FBCEFE65.xml
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<document id="7BC6E7947D59C0AA83D1BBD5C19D0E26" ID-CLB-Dataset="24204" ID-DOI="10.11646/zootaxa.4730.1.1" ID-GBIF-Dataset="bcc0e0fc-b6a5-4d5a-8008-7b714c106a7c" ID-ISSN="1175-5326" ID-Zenodo-Dep="3634270" ID-ZooBank="7F4CD129-9FF9-4593-A8A4-DB999B3E402F" IM.bibliography_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1580713876401" checkinUser="plazi" docAuthor="Blake, James A." docDate="2020" docId="757F0D3E96562329D8C0FA61FBCEFE65" docLanguage="en" docName="zootaxa.4730.1.1.pdf" docOrigin="Zootaxa 4730 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Orbiniella grasslei Blake 2020, new species" docType="treatment" docUuid="C1344615-DC39-4782-89FB-F7DBBAB3ECA1" docUuidSource="ZooBank" docVersion="8" lastPageNumber="44" masterDocId="89467546967E2302D857FFACFFABFF92" masterDocTitle="New species and records of deep-water Orbiniidae (Annelida, Polychaeta) from the Eastern Pacific continental slope, abyssal Pacific Ocean, and the South China Sea" masterLastPageNumber="61" masterPageNumber="1" pageNumber="41" updateTime="1698780308397" updateUser="ExternalLinkService">
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<mods:title id="7AAA7E42A5EB1C0E2C6878D5B85EF151">New species and records of deep-water Orbiniidae (Annelida, Polychaeta) from the Eastern Pacific continental slope, abyssal Pacific Ocean, and the South China Sea</mods:title>
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<mods:namePart id="EDFCA804978F5BE1A79103B29CA3A613">Blake, James A.</mods:namePart>
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<mods:title id="B0883032BCA1439023842BD1BD8AC391">Zootaxa</mods:title>
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<mods:date id="A43EA0A22360108442226A6582FEA273">2020</mods:date>
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<mods:number id="234F99ED233A47BA09F6DE591BDA4114">2020-02-03</mods:number>
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<mods:classification id="47BD985BC6B738BD0761D1CB1E56C5A6">journal article</mods:classification>
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<mods:identifier id="AD7DED93F5B5D087E42749C93D082A71" type="DOI">10.11646/zootaxa.4730.1.1</mods:identifier>
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<treatment id="757F0D3E96562329D8C0FA61FBCEFE65" ID-GBIF-Taxon="161939015" LSID="urn:lsid:zoobank.org:act:C1344615-DC39-4782-89FB-F7DBBAB3ECA1" httpUri="http://treatment.plazi.org/id/757F0D3E96562329D8C0FA61FBCEFE65" lastPageId="43" lastPageNumber="44" pageId="40" pageNumber="41">
<subSubSection id="B5CCEFA39656232AD8C0FA61FDA5FA75" box="[151,526,1485,1512]" pageId="40" pageNumber="41" type="nomenclature">
<paragraph id="FD69BC289656232AD8C0FA61FDA5FA75" blockId="40.[151,981,1485,1584]" box="[151,526,1485,1512]" pageId="40" pageNumber="41">
<heading id="A6210B449656232AD8C0FA61FDA5FA75" bold="true" box="[151,526,1485,1512]" fontSize="11" level="1" pageId="40" pageNumber="41" reason="1">
<emphasis id="CFA2603A9656232AD8C0FA61FDA5FA75" bold="true" box="[151,526,1485,1512]" pageId="40" pageNumber="41">
<taxonomicName id="3AD6C7AB9656232AD8C0FA61FEDCFA7A" ID-CoL="85RPW" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[151,375,1485,1512]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="40" pageNumber="41" phylum="Annelida" rank="species" species="grasslei" status="sp. nov.">
<emphasis id="CFA2603A9656232AD8C0FA61FEDCFA7A" bold="true" box="[151,375,1485,1512]" italics="true" pageId="40" pageNumber="41">Orbiniella grasslei</emphasis>
</taxonomicName>
<taxonomicNameLabel id="D491DD419656232AD928FA62FDA5FA75" box="[383,526,1485,1512]" pageId="40" pageNumber="41" rank="species">new species</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="B5CCEFA39656232AD8C0FA5DFC7EF9A2" pageId="40" pageNumber="41" type="description">
<paragraph id="FD69BC289656232AD8C0FA5DFEA8F999" blockId="40.[151,981,1485,1584]" box="[151,259,1521,1547]" pageId="40" pageNumber="41">
<figureCitation id="65EDA0AD9656232AD8C0FA5DFEA8F999" box="[151,259,1521,1547]" captionStart="FIGURE 21" captionStartId="42.[151,250,1712,1737]" captionTargetBox="[159,1427,250,1678]" captionTargetId="figure@42.[151,1435,241,1687]" captionTargetPageId="42" captionText="FIGURE 21. Orbiniella grasslei n. sp. Holotype (MCZ 153574): A, anterior end, right lateral view; B, anterior parapodium, anterior view; C, another parapodium showing details of serrated spines." figureDoi="http://doi.org/10.5281/zenodo.3634312" httpUri="https://zenodo.org/record/3634312/files/figure.png" pageId="40" pageNumber="41">Figure 21</figureCitation>
</paragraph>
<paragraph id="FD69BC289656232AD8C0F9B9FC7EF9A2" blockId="40.[151,981,1485,1584]" box="[151,981,1557,1584]" pageId="40" pageNumber="41">
<uri id="8947B02A9656232AD8C0F9B9FC7EF9A2" box="[151,981,1557,1584]" pageId="40" pageNumber="41">
urn:lsid:zoobank.org:act:
<uuid id="897086FD9656232AD9FEF9B9FC7EF9A2" box="[425,981,1557,1584]" pageId="40" pageNumber="41">C1344615-DC39-4782-89FB-F7DBBAB3ECA1</uuid>
</uri>
</paragraph>
</subSubSection>
<subSubSection id="B5CCEFA39656232AD8C0F9FAFD40F893" pageId="40" pageNumber="41" type="materials_examined">
<paragraph id="FD69BC289656232AD8C0F9FAFA37F9E3" blockId="40.[151,1437,1622,2045]" box="[151,1436,1622,1649]" pageId="40" pageNumber="41">
<emphasis id="CFA2603A9656232AD8C0F9FAFED5F9E3" bold="true" box="[151,382,1622,1649]" pageId="40" pageNumber="41">Material examined</emphasis>
.
<emphasis id="CFA2603A9656232AD9C7F9FBFDF4F9E3" bold="true" box="[400,607,1622,1649]" pageId="40" pageNumber="41">East Pacific Rise</emphasis>
, hydrothermal vent area at
<geoCoordinate id="98E2DAEF9656232ADBFEF9FBFC42F9E3" box="[937,1001,1623,1649]" degrees="21" direction="north" orientation="latitude" pageId="40" pageNumber="41" precision="55555" value="21.0">21°N</geoCoordinate>
: HOV
<emphasis id="CFA2603A9656232ADC68F9FBFBD1F9E3" box="[1087,1146,1623,1649]" italics="true" pageId="40" pageNumber="41">Alvin</emphasis>
Dive 1221-15,
<geoCoordinate id="98E2DAEF9656232ADD60F9FAFA33F9E3" box="[1335,1432,1622,1649]" degrees="20" direction="north" minutes="50" orientation="latitude" pageId="40" pageNumber="41" precision="925" value="20.833334">20°50N</geoCoordinate>
;
</paragraph>
<paragraph id="FD69BC289656232AD8C0F9D6FA37F92B" blockId="40.[151,1437,1622,2045]" pageId="40" pageNumber="41">
<geoCoordinate id="98E2DAEF9656232AD8C0F9D6FEA1F907" box="[151,266,1658,1685]" degrees="109" direction="west" minutes="06" orientation="longitude" pageId="40" pageNumber="41" precision="925" value="-109.1">109°06W</geoCoordinate>
,
<date id="89689AE89656232AD942F9D7FE0AF907" box="[277,417,1659,1685]" pageId="40" pageNumber="41" value="1982-05-04">4 May 1982</date>
, 1618 m, washings of
<taxonomicName id="3AD6C7AB9656232ADAF6F9D7FCF6F907" authorityName="Jones" authorityYear="1981" box="[673,861,1659,1685]" class="Polychaeta" family="Siboglinidae" genus="Riftia" kingdom="Animalia" order="Sabellida" pageId="40" pageNumber="41" phylum="Annelida" rank="species" species="pachyptila">
<emphasis id="CFA2603A9656232ADAF6F9D7FCF6F907" box="[673,861,1659,1685]" italics="true" pageId="40" pageNumber="41">Riftia pachyptila</emphasis>
</taxonomicName>
tubes and
<taxonomicName id="3AD6C7AB9656232ADB8FF9D7FB74F907" authorityName="Boss &amp; R. D. Turner" authorityYear="1980" box="[984,1247,1659,1685]" class="Bivalvia" family="Vesicomyidae" genus="Calyptogena" kingdom="Animalia" order="Veneroida" pageId="40" pageNumber="41" phylum="Mollusca" rank="species" species="magnifica">
<emphasis id="CFA2603A9656232ADB8FF9D7FB74F907" box="[984,1247,1659,1685]" italics="true" pageId="40" pageNumber="41">Calyptogena magnifica</emphasis>
</taxonomicName>
shells,
<materialsCitation id="4DBEB6759656232ADD61F9D7FEEAF92B" ID-GBIF-Occurrence="2571581910" collectionCode="MCZ" pageId="40" pageNumber="41" specimenCode="MCZ 153574, MCZ 153575" specimenCount="4" typeStatus="holotype">
<emphasis id="CFA2603A9656232ADD61F9D7FA36F907" bold="true" box="[1334,1437,1659,1685]" pageId="40" pageNumber="41">
<typeStatus id="226D028A9656232ADD61F9D7FA36F907" box="[1334,1437,1659,1685]" pageId="40" pageNumber="41" type="holotype">holotype</typeStatus>
</emphasis>
(
<specimenCode id="AD7014539656232AD8C8F933FE92F92B" box="[159,313,1694,1721]" pageId="40" pageNumber="41">MCZ 153574</specimenCode>
)
</materialsCitation>
and
<materialsCitation id="4DBEB6759656232AD921F933FD18F92B" ID-GBIF-Occurrence="2571581909" box="[374,691,1694,1721]" collectionCode="MCZ" pageId="40" pageNumber="41" specimenCode="MCZ 153574, MCZ 153575" specimenCount="4" typeStatus="paratype">
<specimenCount id="EBD077A19656232AD921F933FE2FF92B" box="[374,388,1695,1721]" pageId="40" pageNumber="41" type="generic">3</specimenCount>
<emphasis id="CFA2603A9656232AD9DDF933FDABF92B" bold="true" box="[394,512,1695,1721]" pageId="40" pageNumber="41">
<typeStatus id="226D028A9656232AD9DDF933FDABF92B" box="[394,512,1695,1721]" pageId="40" pageNumber="41" type="paratype">paratypes</typeStatus>
</emphasis>
(
<specimenCode id="AD7014539656232ADA59F933FD07F92B" box="[526,684,1694,1721]" collectionCode="MCZ" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:33791" lsid="urn:lsid:biocol.org:col:33791" name="Museum of Comparative Zoology" pageId="40" pageNumber="41" type="Museum">MCZ 153575</specimenCode>
)
</materialsCitation>
;
<materialsCitation id="4DBEB6759656232ADAE9F933FA37F92B" ID-GBIF-Occurrence="2562076867" box="[702,1436,1694,1721]" collectingDate="1982-05-07" collectionCode="MCZ" latitude="20.833334" longLatPrecision="1266" longitude="-109.1" pageId="40" pageNumber="41" specimenCode="MCZ 153576" specimenCount="4" typeStatus="paratype">
HOV
<emphasis id="CFA2603A9656232ADB57F933FC90F92B" box="[768,827,1695,1721]" italics="true" pageId="40" pageNumber="41">Alvin</emphasis>
Dive 1223-17,
<geoCoordinate id="98E2DAEF9656232ADBBEF932FBE1F92B" box="[1001,1098,1694,1721]" degrees="20" direction="north" minutes="50" orientation="latitude" pageId="40" pageNumber="41" precision="925" value="20.833334">20°50N</geoCoordinate>
;
<geoCoordinate id="98E2DAEF9656232ADC02F932FB6CF92B" box="[1109,1223,1694,1721]" degrees="109" direction="west" minutes="06" orientation="longitude" pageId="40" pageNumber="41" precision="925" value="-109.1">109°06W</geoCoordinate>
,
<date id="89689AE89656232ADC86F933FAF1F92B" box="[1233,1370,1695,1721]" pageId="40" pageNumber="41" value="1982-05-07">
<collectingDate id="992C63009656232ADC86F933FAF1F92B" box="[1233,1370,1695,1721]" pageId="40" pageNumber="41" value="1982-05-07">7 May 1982</collectingDate>
</date>
, 2616
</materialsCitation>
</paragraph>
<paragraph id="FD69BC289656232AD8C0F96FFD40F893" blockId="40.[151,1437,1622,2045]" pageId="40" pageNumber="41">
m, rubble,
<specimenCount id="EBD077A19656232AD958F96FFE32F94F" box="[271,409,1731,1757]" pageId="40" pageNumber="41" type="generic" typeStatus="paratypes">
4
<emphasis id="CFA2603A9656232AD974F96FFE32F94F" bold="true" box="[291,409,1731,1757]" pageId="40" pageNumber="41">paratypes</emphasis>
</specimenCount>
(
<specimenCode id="AD7014539656232AD9F0F96FFDEEF94F" box="[423,581,1730,1757]" collectionCode="MCZ" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:33791" lsid="urn:lsid:biocol.org:col:33791" name="Museum of Comparative Zoology" pageId="40" pageNumber="41" type="Museum">MCZ 153576</specimenCode>
);
<materialsCitation id="4DBEB6759656232ADA00F96FFD4CF893" ID-GBIF-Occurrence="2562076927" collectingDate="1982-05-07" collectionCode="MCZ" latitude="20.833334" longLatPrecision="1266" longitude="-109.1" pageId="40" pageNumber="41" specimenCode="MCZ 153577" specimenCount="3" typeStatus="paratype">
HOV
<emphasis id="CFA2603A9656232ADACEF96FFD7FF94F" box="[665,724,1731,1757]" italics="true" pageId="40" pageNumber="41">Alvin</emphasis>
Dive 1223-11, 7
<geoCoordinate id="98E2DAEF9656232ADBC2F96EFC5DF94F" box="[917,1014,1730,1757]" degrees="20" direction="north" minutes="50" orientation="latitude" pageId="40" pageNumber="41" precision="925" value="20.833334">20°50N</geoCoordinate>
;
<geoCoordinate id="98E2DAEF9656232ADC57F96EFBD8F94F" box="[1024,1139,1730,1757]" degrees="109" direction="west" minutes="06" orientation="longitude" pageId="40" pageNumber="41" precision="925" value="-109.1">109°06W</geoCoordinate>
,
<date id="89689AE89656232ADC2AF96FFAAEF94F" box="[1149,1285,1731,1757]" pageId="40" pageNumber="41" value="1982-05-07">
<collectingDate id="992C63009656232ADC2AF96FFAAEF94F" box="[1149,1285,1731,1757]" pageId="40" pageNumber="41" value="1982-05-07">7 May 1982</collectingDate>
</date>
, 2616 m, fine fraction from washings,
<specimenCount id="EBD077A19656232AD9FEF94BFD98F893" box="[425,563,1767,1793]" pageId="40" pageNumber="41" type="generic">3 specimens</specimenCount>
(
<specimenCode id="AD7014539656232ADA16F94BFD4BF893" box="[577,736,1766,1793]" collectionCode="MCZ" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:33791" lsid="urn:lsid:biocol.org:col:33791" name="Museum of Comparative Zoology" pageId="40" pageNumber="41" type="Museum">MCZ 153577</specimenCode>
)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="B5CCEFA39656232BD890F8A6FD90FE19" lastPageId="41" lastPageNumber="42" pageId="40" pageNumber="41" type="description">
<paragraph id="FD69BC289656232AD890F8A6FA3DF8DB" blockId="40.[151,1437,1622,2045]" pageId="40" pageNumber="41">
<emphasis id="CFA2603A9656232AD890F8A6FEE5F8B7" bold="true" box="[199,334,1802,1829]" pageId="40" pageNumber="41">Description</emphasis>
.
<typeStatus id="226D028A9656232AD909F8A7FE6FF8B7" box="[350,452,1803,1829]" pageId="40" pageNumber="41" type="holotype">Holotype</typeStatus>
largest specimen, complete,
<quantity id="3A2E11CD9656232ADB50F8A6FCC0F8B7" box="[775,875,1802,1829]" metricMagnitude="-3" metricUnit="m" metricValue="5.44" pageId="40" pageNumber="41" unit="mm" value="5.44">5.44 mm</quantity>
long and
<quantity id="3A2E11CD9656232ADB8AF8A7FBEBF8B7" box="[989,1088,1803,1829]" metricMagnitude="-4" metricUnit="m" metricValue="2.2" pageId="40" pageNumber="41" unit="mm" value="0.22">0.22 mm</quantity>
wide for 26 setigers. Body not divided into distinct thoracic and abdominal regions; body segments all similar. Parapodia reduced, lamellae lacking.
</paragraph>
<paragraph id="FD69BC289656232AD890F8FFFD53F84B" blockId="40.[151,1437,1622,2045]" pageId="40" pageNumber="41">
Pre-setiger region thick, with prostomium and peristomium lacking obvious separation dorsally and laterally (
<figureCitation id="65EDA0AD9656232AD8F7F8DBFEA1F803" box="[160,266,1911,1937]" captionStart="FIGURE 21" captionStartId="42.[151,250,1712,1737]" captionTargetBox="[159,1427,250,1678]" captionTargetId="figure@42.[151,1435,241,1687]" captionTargetPageId="42" captionText="FIGURE 21. Orbiniella grasslei n. sp. Holotype (MCZ 153574): A, anterior end, right lateral view; B, anterior parapodium, anterior view; C, another parapodium showing details of serrated spines." figureDoi="http://doi.org/10.5281/zenodo.3634312" httpUri="https://zenodo.org/record/3634312/files/figure.png" pageId="40" pageNumber="41">Fig. 21A</figureCitation>
). Prostomium broadly rounded anteriorly; eyespots absent, nuchal organs not visible. Peristomium entirely merged with prostomium dorsally; ventrally with a large ventral lip below mouth; two partial annular rings weakly developed, only apparent ventrally (
<figureCitation id="65EDA0AD9656232ADAD4F813FD47F84B" box="[643,748,1983,2009]" captionStart="FIGURE 21" captionStartId="42.[151,250,1712,1737]" captionTargetBox="[159,1427,250,1678]" captionTargetId="figure@42.[151,1435,241,1687]" captionTargetPageId="42" captionText="FIGURE 21. Orbiniella grasslei n. sp. Holotype (MCZ 153574): A, anterior end, right lateral view; B, anterior parapodium, anterior view; C, another parapodium showing details of serrated spines." figureDoi="http://doi.org/10.5281/zenodo.3634312" httpUri="https://zenodo.org/record/3634312/files/figure.png" pageId="40" pageNumber="41">Fig. 21A</figureCitation>
).
</paragraph>
<paragraph id="FD69BC289656232BD890F84FFD46FED1" blockId="40.[151,1437,1622,2045]" lastBlockId="41.[151,1437,153,395]" lastPageId="41" lastPageNumber="42" pageId="40" pageNumber="41">
Setiger 1 and following segments separated from one another by swollen intersegmental annular rings produc- ing biannulate segments (
<figureCitation id="65EDA0AD9657232BD9ECFF35FD8DFF21" box="[443,550,153,179]" captionStart="FIGURE 21" captionStartId="42.[151,250,1712,1737]" captionTargetBox="[159,1427,250,1678]" captionTargetId="figure@42.[151,1435,241,1687]" captionTargetPageId="42" captionText="FIGURE 21. Orbiniella grasslei n. sp. Holotype (MCZ 153574): A, anterior end, right lateral view; B, anterior parapodium, anterior view; C, another parapodium showing details of serrated spines." figureDoi="http://doi.org/10.5281/zenodo.3634312" httpUri="https://zenodo.org/record/3634312/files/figure.png" pageId="41" pageNumber="42">Fig. 21A</figureCitation>
). Notopodia bearing 23 camerated capillaries and three serrated spines from setiger 1; spines reduced to two by setiger 5, continuing to posterior setigers where only a single spine and two capillaries persist (
<figureCitation id="65EDA0AD9657232BD963FF4DFE2EFF69" box="[308,389,225,251]" captionStart="FIGURE 21" captionStartId="42.[151,250,1712,1737]" captionTargetBox="[159,1427,250,1678]" captionTargetId="figure@42.[151,1435,241,1687]" captionTargetPageId="42" captionText="FIGURE 21. Orbiniella grasslei n. sp. Holotype (MCZ 153574): A, anterior end, right lateral view; B, anterior parapodium, anterior view; C, another parapodium showing details of serrated spines." figureDoi="http://doi.org/10.5281/zenodo.3634312" httpUri="https://zenodo.org/record/3634312/files/figure.png" pageId="41" pageNumber="42">Fig. 21</figureCitation>
BC). Neuropodia bearing two spines and three capillaries from setiger 1, increasing to three spines and five capillaries by setiger 5, reduced to two spines and 02 capillaries in posterior setigers (
<figureCitation id="65EDA0AD9657232BDD5EFEA9FAF2FE8D" box="[1289,1369,261,287]" captionStart="FIGURE 21" captionStartId="42.[151,250,1712,1737]" captionTargetBox="[159,1427,250,1678]" captionTargetId="figure@42.[151,1435,241,1687]" captionTargetPageId="42" captionText="FIGURE 21. Orbiniella grasslei n. sp. Holotype (MCZ 153574): A, anterior end, right lateral view; B, anterior parapodium, anterior view; C, another parapodium showing details of serrated spines." figureDoi="http://doi.org/10.5281/zenodo.3634312" httpUri="https://zenodo.org/record/3634312/files/figure.png" pageId="41" pageNumber="42">Fig. 21</figureCitation>
BC). Spines with distinct serrations along shaft (
<figureCitation id="65EDA0AD9657232BDA2DFE85FD4AFED1" box="[634,737,297,323]" captionStart="FIGURE 21" captionStartId="42.[151,250,1712,1737]" captionTargetBox="[159,1427,250,1678]" captionTargetId="figure@42.[151,1435,241,1687]" captionTargetPageId="42" captionText="FIGURE 21. Orbiniella grasslei n. sp. Holotype (MCZ 153574): A, anterior end, right lateral view; B, anterior parapodium, anterior view; C, another parapodium showing details of serrated spines." figureDoi="http://doi.org/10.5281/zenodo.3634312" httpUri="https://zenodo.org/record/3634312/files/figure.png" pageId="41" pageNumber="42">Fig. 21C</figureCitation>
).
</paragraph>
<paragraph id="FD69BC289657232BD890FEE1FDD3FEF5" blockId="41.[151,1437,153,395]" box="[199,632,333,359]" pageId="41" pageNumber="42">Pygidial segment simple, lacking cirri.</paragraph>
<paragraph id="FD69BC289657232BD890FEDDFD90FE19" blockId="41.[151,1437,153,395]" box="[199,571,368,395]" pageId="41" pageNumber="42">
<emphasis id="CFA2603A9657232BD890FEDDFE04FE19" bold="true" box="[199,431,368,395]" pageId="41" pageNumber="42">Methyl Green stain</emphasis>
. No pattern.
</paragraph>
</subSubSection>
<caption id="A9A9ECA09657232BD8C0F800FB58F87B" ID-DOI="http://doi.org/10.5281/zenodo.3634310" ID-Zenodo-Dep="3634310" httpUri="https://zenodo.org/record/3634310/files/figure.png" pageId="41" pageNumber="42" startId="41.[151,250,1964,1989]" targetBox="[159,1430,425,1929]" targetPageId="41">
<paragraph id="FD69BC289657232BD8C0F800FB58F87B" blockId="41.[151,1436,1964,2026]" pageId="41" pageNumber="42">
<emphasis id="CFA2603A9657232BD8C0F800FE8BF857" bold="true" box="[151,288,1964,1989]" pageId="41" pageNumber="42">FIGURE 20.</emphasis>
<taxonomicName id="3AD6C7AB9657232BD972F801FDA3F857" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[293,520,1965,1989]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="41" pageNumber="42" phylum="Annelida" rank="species" species="eugeneruffi" status="sp. nov.">
<emphasis id="CFA2603A9657232BD972F801FDA3F857" box="[293,520,1965,1989]" italics="true" pageId="41" pageNumber="42">Orbiniella eugeneruffi</emphasis>
</taxonomicName>
<emphasis id="CFA2603A9657232BDA59F801FDECF857" bold="true" box="[526,583,1965,1989]" pageId="41" pageNumber="42">
<taxonomicNameLabel id="D491DD419657232BDA59F801FDECF857" box="[526,583,1965,1989]" pageId="41" pageNumber="42" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
Holotype MCZ 153578): A, anterior end, dorsal view; B, anterior end, ventral view; C, posterior end, dorsal view. Paratype (MCZ 153579): D, mid-body setiger, anterior view (inset not to scale).
</paragraph>
</caption>
<caption id="A9A9ECA096542328D8C0F91CFCDCF97F" ID-DOI="http://doi.org/10.5281/zenodo.3634312" ID-Zenodo-Dep="3634312" httpUri="https://zenodo.org/record/3634312/files/figure.png" pageId="42" pageNumber="43" startId="42.[151,250,1712,1737]" targetBox="[159,1427,250,1678]" targetPageId="42">
<paragraph id="FD69BC2896542328D8C0F91CFCDCF97F" blockId="42.[151,1437,1712,1773]" pageId="42" pageNumber="43">
<emphasis id="CFA2603A96542328D8C0F91CFE8AF95B" bold="true" box="[151,289,1712,1737]" pageId="42" pageNumber="43">FIGURE 21.</emphasis>
<taxonomicName id="3AD6C7AB96542328D97FF91DFE42F95B" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[296,489,1713,1737]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Annelida" rank="species" species="grasslei" status="sp. nov.">
<emphasis id="CFA2603A96542328D97FF91DFE42F95B" box="[296,489,1713,1737]" italics="true" pageId="42" pageNumber="43">Orbiniella grasslei</emphasis>
</taxonomicName>
<emphasis id="CFA2603A96542328D9A6F91DFD87F95B" bold="true" box="[497,556,1713,1737]" pageId="42" pageNumber="43">
<taxonomicNameLabel id="D491DD4196542328D9A6F91DFD87F95B" box="[497,556,1713,1737]" pageId="42" pageNumber="43" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
Holotype (MCZ 153574): A, anterior end, right lateral view; B, anterior parapodium, anterior view; C, another parapodium showing details of serrated spines.
</paragraph>
</caption>
<subSubSection id="B5CCEFA396542329D890F8B7FE0CFED1" lastPageId="43" lastPageNumber="44" pageId="42" pageNumber="43" type="discussion">
<paragraph id="FD69BC2896542329D890F8B7FE0CFED1" blockId="42.[151,1437,1819,2026]" lastBlockId="43.[151,1436,153,503]" lastPageId="43" lastPageNumber="44" pageId="42" pageNumber="43">
<emphasis id="CFA2603A96542328D890F8B7FE9FF8A7" bold="true" box="[199,308,1819,1845]" pageId="42" pageNumber="43">Remarks</emphasis>
.
<taxonomicName id="3AD6C7AB96542328D914F8B7FDB3F8A7" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[323,536,1819,1845]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Annelida" rank="species" species="grasslei" status="sp. nov.">
<emphasis id="CFA2603A96542328D914F8B7FDB3F8A7" box="[323,536,1819,1845]" italics="true" pageId="42" pageNumber="43">Orbiniella grasslei</emphasis>
</taxonomicName>
<emphasis id="CFA2603A96542328DA77F8B7FDCBF8A7" bold="true" box="[544,608,1819,1845]" pageId="42" pageNumber="43">
<taxonomicNameLabel id="D491DD4196542328DA77F8B7FDCBF8A7" box="[544,608,1819,1845]" pageId="42" pageNumber="43" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
is most similar to
<taxonomicName id="3AD6C7AB96542328DB63F8B0FB14F8A7" authority="Blake &amp; Hilbig, 1990" authorityName="Blake &amp; Hilbig" authorityYear="1990" box="[820,1215,1819,1846]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Annelida" rank="species" species="hobsonae">
<emphasis id="CFA2603A96542328DB63F8B0FC69F8A7" box="[820,962,1819,1846]" italics="true" pageId="42" pageNumber="43">O. hobsonae</emphasis>
<bibRefCitation id="9947C1D996542328DB9DF8B7FB14F8A7" author="Blake, J. A. &amp; Hilbig, B." box="[970,1215,1819,1845]" pageId="42" pageNumber="43" pagination="219 - 253" refId="ref35805" refString="Blake, J. A. &amp; Hilbig, B. (1990) Polychaeta from the vicinity of deep-sea hydrothermal vents in the eastern Pacific II: New species and records from the Juan de Fuca and Explorer Ridge Systems. Pacific Science, 44, 219 - 253. [http: // hdl. handle. net / 10125 / 1280]" type="journal article" year="1990">Blake &amp; Hilbig, 1990</bibRefCitation>
</taxonomicName>
from hydrothermal vents on the Juan de Fuca Ridge. Both species have long, thin bodies and acicular spines with a row of barbs or serrations along the shaft.
<taxonomicName id="3AD6C7AB96542328D993F8CFFD30F8EF" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[452,667,1891,1917]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Annelida" rank="species" species="grasslei" status="sp. nov.">
<emphasis id="CFA2603A96542328D993F8CFFD30F8EF" box="[452,667,1891,1917]" italics="true" pageId="42" pageNumber="43">Orbiniella grasslei</emphasis>
</taxonomicName>
<emphasis id="CFA2603A96542328DAF4F8CFFD48F8EF" bold="true" box="[675,739,1891,1917]" pageId="42" pageNumber="43">
<taxonomicNameLabel id="D491DD4196542328DAF4F8CFFD48F8EF" box="[675,739,1891,1917]" pageId="42" pageNumber="43" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
differs from
<taxonomicName id="3AD6C7AB96542328DB2AF8C8FBA7F8EF" authorityName="Blake &amp; Hilbig" authorityYear="1990" box="[893,1036,1891,1918]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Annelida" rank="species" species="hobsonae">
<emphasis id="CFA2603A96542328DB2AF8C8FBA7F8EF" box="[893,1036,1891,1918]" italics="true" pageId="42" pageNumber="43">O. hobsonae</emphasis>
</taxonomicName>
in having a peristomium on which the annular rings are indistinct instead of being present as two distinct rings; in addition, nuchal organs are not visible instead of being prominent laterally on the prostomium. The most conspicuous difference between
<taxonomicName id="3AD6C7AB96542328DD76F800FA36F857" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[1313,1437,1963,1990]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Annelida" rank="species" species="grasslei" status="sp. nov.">
<emphasis id="CFA2603A96542328DD76F800FA36F857" box="[1313,1437,1963,1990]" italics="true" pageId="42" pageNumber="43">O. grasslei</emphasis>
</taxonomicName>
<emphasis id="CFA2603A96542328D8C0F863FF7DF87B" bold="true" box="[151,214,1999,2025]" pageId="42" pageNumber="43">
<taxonomicNameLabel id="D491DD4196542328D8C0F863FF7DF87B" box="[151,214,1999,2025]" pageId="42" pageNumber="43" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
and
<taxonomicName id="3AD6C7AB96542328D959F87CFE2AF87B" box="[270,385,1999,2026]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Annelida" rank="species" species="hobson">
<emphasis id="CFA2603A96542328D959F87CFE2AF87B" box="[270,385,1999,2026]" italics="true" pageId="42" pageNumber="43">O. hobson</emphasis>
</taxonomicName>
ae, however, is the segmentation. In
<taxonomicName id="3AD6C7AB96542328DB4BF87CFC3CF87B" authority="Blake, 2020" authorityName="Blake" authorityYear="2020" box="[796,919,1999,2026]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="42" pageNumber="43" phylum="Annelida" rank="species" species="grasslei" status="sp. nov.">
<emphasis id="CFA2603A96542328DB4BF87CFC3CF87B" box="[796,919,1999,2026]" italics="true" pageId="42" pageNumber="43">O. grasslei</emphasis>
</taxonomicName>
<emphasis id="CFA2603A96542328DBC9F863FC76F87B" bold="true" box="[926,989,1999,2025]" pageId="42" pageNumber="43">
<taxonomicNameLabel id="D491DD4196542328DBC9F863FC76F87B" box="[926,989,1999,2025]" pageId="42" pageNumber="43" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
, the intersegmental groove is expanded into a large swelling that provides a prominent biannulate appearance to segments along the body. In contrast, the segments of
<taxonomicName id="3AD6C7AB96552329D974FF11FE04FF45" authorityName="Blake &amp; Hilbig" authorityYear="1990" box="[291,431,189,215]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Annelida" rank="species" species="hobsonae">
<emphasis id="CFA2603A96552329D974FF11FE04FF45" box="[291,431,189,215]" italics="true" pageId="43" pageNumber="44">O. hobsonae</emphasis>
</taxonomicName>
are entirely uniannulate. There are additional differences in the fine details of the structure of the spines and capillary setae. Another species of
<taxonomicName id="3AD6C7AB96552329DABFFF4DFCF6FF69" authorityName="Day" authorityYear="1954" box="[744,861,225,251]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Annelida" rank="genus">
<emphasis id="CFA2603A96552329DABFFF4DFCF6FF69" box="[744,861,225,251]" italics="true" pageId="43" pageNumber="44">Orbiniella</emphasis>
</taxonomicName>
,
<taxonomicName id="3AD6C7AB96552329DB3BFF4DFB21FF69" authority="Blake, 1985" authorityName="Blake" authorityYear="1985" box="[876,1162,224,251]" class="Polychaeta" family="Orbiniidae" genus="Orbiniella" kingdom="Animalia" pageId="43" pageNumber="44" phylum="Annelida" rank="species" species="aciculata">
<emphasis id="CFA2603A96552329DB3BFF4DFC5CFF69" box="[876,1015,225,251]" italics="true" pageId="43" pageNumber="44">O. aciculata</emphasis>
<bibRefCitation id="9947C1D996552329DBA8FF4DFB21FF69" author="Blake, J. A." box="[1023,1162,224,251]" pageId="43" pageNumber="44" pagination="67 - 101" refId="ref35396" refString="Blake, J. A. (1985) Polychaeta from the vicinity of deep-sea geothermal vents in the eastern Pacific. I: Euphrosinidae, Phyllodocidae, Hesionidae, Nereididae, Glyceridae, Dorvilleidae, Orbiniidae and Maldanidae. In: Jones, M. L. (Ed.), The Hydrothermal Vents of the Eastern Pacific: An Overview. Bulletin of the Biological Society of Washington, No. 6, pp. 67 - 101. [https: // www. researchgate. net / publication / 279962731 _ Polychaeta _ from _ the _ vicinity _ of _ deep-sea _ geothermal _ vents _ in _ the _ eastern _ Pacific _ I _ Euphrosinidae _ Phyllodocidae _ Hesionidae _ Nereididae _ Glyceridae _ Dorvilleidae _ Orbiniidae _ and _ Maldanidae]" type="book chapter" year="1985">Blake, 1985</bibRefCitation>
</taxonomicName>
, from the vicinity of the Galápagos Rift hydrothermal vents has spines that are smooth instead of serrated, and the body is short and compact instead of long and thin.
</paragraph>
</subSubSection>
<subSubSection id="B5CCEFA396552329D890FEE1FAB2FE41" pageId="43" pageNumber="44" type="etymology">
<paragraph id="FD69BC2896552329D890FEE1FAB2FE41" blockId="43.[151,1436,153,503]" pageId="43" pageNumber="44">
<emphasis id="CFA2603A96552329D890FEE1FEE3FEF5" bold="true" box="[199,328,333,359]" pageId="43" pageNumber="44">Etymology</emphasis>
. This species is named for the late Dr. J. Frederick Grassle, prominent deep-sea benthic ecologist of the Woods Hole Oceanographic Institution and the Rutgers University Institute of Marine and Coastal Sciences. As part of his numerous expeditions to deep-sea locations, Dr. Grassle provided this author and other investigators with numerous polychaetes from vents and other habitats that have resulted in a rich harvest of new species.
</paragraph>
</subSubSection>
<subSubSection id="B5CCEFA396552329D890FE70FBCEFE65" box="[199,1125,476,503]" pageId="43" pageNumber="44" type="distribution">
<paragraph id="FD69BC2896552329D890FE70FBCEFE65" blockId="43.[151,1436,153,503]" box="[199,1125,476,503]" pageId="43" pageNumber="44">
<emphasis id="CFA2603A96552329D890FE70FEF2FE65" bold="true" box="[199,345,476,503]" pageId="43" pageNumber="44">Distribution</emphasis>
. Hydrothermal vents on the East Pacific Rise at
<geoCoordinate id="98E2DAEF96552329DB2DFE71FC1CFE65" box="[890,951,477,503]" degrees="21" direction="north" orientation="latitude" pageId="43" pageNumber="44" precision="55555" value="21.0">21°N</geoCoordinate>
,
<quantity id="3A2E11CD96552329DB94FE71FBCAFE65" box="[963,1121,477,503]" metricMagnitude="3" metricUnit="m" metricValue="2.117" metricValueMax="2.616" metricValueMin="1.6179999999999999" pageId="43" pageNumber="44" unit="m" value="2117.0" valueMax="2616.0" valueMin="1618.0">16182616 m</quantity>
.
</paragraph>
</subSubSection>
</treatment>
</document>