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<document id="95D334F36DDA7930F925DF32B65F5D4D" ID-DOI="10.11646/zootaxa.5555.4.2" ID-ISSN="1175-5326" ID-Zenodo-Dep="14594848" ID-ZooBank="C226D1ED-7EDC-490F-86E2-4A897306116F" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1735930352904" checkinUser="plazi" docAuthor="Gómez, Samuel, Yáñez-Rivera, Beatriz, García-Vázquez, Leonardo &amp; Armenteros, Maickel" docDate="2024" docId="039A510AFFD1FFB9FF18FC7CEECBF831" docLanguage="en" docName="zootaxa.5555.4.2.pdf" docOrigin="Zootaxa 5555 (4)" docSource="https://doi.org/10.11646/zootaxa.5555.4.2" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Canuellina pacifica Gómez, Yáñez-Rivera, García-Vázquez &amp; Armenteros, 2024, sp. nov." docType="treatment" docVersion="2" lastPageNumber="523" masterDocId="FFA32972FFDEFFA3FF8FFFD2EF3FFFA4" masterDocTitle="On some new species of Canuelloida Khodami, Vaun MacArthur, Blanco-Bercial &amp; Martinez Arbizu, 2017 (Crustacea: Copepoda) from a shallow coastal lagoon in north-western Mexico" masterLastPageNumber="534" masterPageNumber="497" pageNumber="512" updateTime="1735930878831" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="AAA0F56BE89F837A14574068B8614EDD">On some new species of Canuelloida Khodami, Vaun MacArthur, Blanco-Bercial &amp; Martinez Arbizu, 2017 (Crustacea: Copepoda) from a shallow coastal lagoon in north-western Mexico</mods:title>
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<mods:namePart id="0668193B4BC75BC1C20F54B89E77946B">Gómez, Samuel</mods:namePart>
<mods:affiliation id="F3B7C36BBC748D37523814F339C14137">Laboratorio de Sistemática y Ecología de Meiofauna, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Joel Montes Camarena s / n, 82040, Mazatlán, Sinaloa, México</mods:affiliation>
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<mods:namePart id="CA33CE15ED0C4CF60F036183E404774F">Yáñez-Rivera, Beatriz</mods:namePart>
<mods:affiliation id="3BFCD5E1AFC7220002594D417E5EB72D">Laboratorio de Sistemática y Ecología de Meiofauna, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Joel Montes Camarena s / n, 82040, Mazatlán, Sinaloa, México</mods:affiliation>
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<mods:namePart id="8580D255A24D5B6D10FCA6B2929756C4">García-Vázquez, Leonardo</mods:namePart>
<mods:affiliation id="8A71224902FFFD3A00EABB46F87A4C58">Laboratorio de Sistemática y Ecología de Meiofauna, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Joel Montes Camarena s / n, 82040, Mazatlán, Sinaloa, México</mods:affiliation>
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<mods:namePart id="34962B3F6E4564E0AADD4D8C3168077E">Armenteros, Maickel</mods:namePart>
<mods:affiliation id="D85A49D8FF22D63ABA60D67ECEC5BF87">Laboratorio de Sistemática y Ecología de Meiofauna, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, Joel Montes Camarena s / n, 82040, Mazatlán, Sinaloa, México</mods:affiliation>
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<mods:title id="CC9DC42414A733F43F204882FB8F4AAF">Zootaxa</mods:title>
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<mods:date id="1E46435F96CA5D659201BE9406E56161">2024</mods:date>
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<mods:number id="405BAB464400D471BCDDBD877F1D0E77">2024-12-20</mods:number>
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<mods:identifier id="232CF6352051EED217D9CF390BC5E668" type="DOI">10.11646/zootaxa.5555.4.2</mods:identifier>
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<treatment id="039A510AFFD1FFB9FF18FC7CEECBF831" LSID="urn:lsid:plazi:treatment:039A510AFFD1FFB9FF18FC7CEECBF831" httpUri="http://treatment.plazi.org/id/039A510AFFD1FFB9FF18FC7CEECBF831" lastPageId="26" lastPageNumber="523" pageId="15" pageNumber="512">
<subSubSection id="C329B397FFD1FFACFF18FC7CECFBFC49" pageId="15" pageNumber="512" type="nomenclature">
<paragraph id="8B8CE01CFFD1FFACFF18FC7CEED4FC6D" blockId="15.[151,964,942,1041]" box="[151,491,942,969]" pageId="15" pageNumber="512">
<heading id="D0C45770FFD1FFACFF18FC7CEED4FC6D" bold="true" box="[151,491,942,969]" fontSize="11" level="1" pageId="15" pageNumber="512" reason="1">
<emphasis id="B9473C0EFFD1FFACFF18FC7CEED4FC6D" bold="true" box="[151,491,942,969]" pageId="15" pageNumber="512">
<taxonomicName id="4C339B9FFFD1FFACFF18FC7CEEB9FC6C" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[151,390,942,969]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="15" pageNumber="512" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFD1FFACFF18FC7CEEB9FC6C" bold="true" box="[151,390,942,969]" italics="true" pageId="15" pageNumber="512">Canuellina pacifica</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2748175FFD1FFACFE02FC7DEED4FC6D" box="[397,491,943,969]" pageId="15" pageNumber="512" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
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urn:lsid:zoobank.org:act:
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<paragraph id="8B8CE01CFFD1FFACFF18FC25EE11FBB5" blockId="15.[151,964,942,1041]" box="[151,302,1015,1041]" pageId="15" pageNumber="512">
(
<figureCitation id="1308FC99FFD1FFACFF10FC25EE19FBB5" box="[159,294,1015,1041]" captionStart-0="FIGURE 12" captionStart-1="FIGURE 13" captionStart-10="FIGURE 22" captionStart-11="FIGURE 23" captionStart-2="FIGURE 14" captionStart-3="FIGURE 15" captionStart-4="FIGURE 16" captionStart-5="FIGURE 17" captionStart-6="FIGURE 18" captionStart-7="FIGURE 19" captionStart-8="FIGURE 20" captionStart-9="FIGURE 21" captionStartId-0="16.[151,250,1746,1770]" captionStartId-1="17.[151,250,1831,1855]" captionStartId-10="27.[151,250,1943,1967]" captionStartId-11="28.[151,250,1182,1206]" captionStartId-2="18.[151,250,1890,1914]" captionStartId-3="19.[151,250,1869,1893]" captionStartId-4="20.[151,250,1798,1822]" captionStartId-5="21.[151,250,1694,1718]" captionStartId-6="22.[151,250,1696,1720]" captionStartId-7="23.[151,250,1943,1967]" captionStartId-8="24.[151,250,1518,1542]" captionStartId-9="25.[151,250,1795,1819]" captionTargetBox-0="[151,1435,181,1722]" captionTargetBox-1="[155,1431,194,1804]" captionTargetBox-10="[277,1309,187,1914]" captionTargetBox-11="[151,1435,198,1158]" captionTargetBox-2="[151,1435,489,1867]" captionTargetBox-3="[155,1431,202,1841]" captionTargetBox-4="[155,1419,185,1770]" captionTargetBox-5="[155,1431,185,1666]" captionTargetBox-6="[166,1424,476,1648]" captionTargetBox-7="[210,1377,181,1919]" captionTargetBox-8="[155,1431,202,1490]" captionTargetBox-9="[155,1432,421,1768]" captionTargetId-0="figure-25@16.[151,1435,181,1722]" captionTargetId-1="figure-20@17.[151,1435,181,1807]" captionTargetId-10="figure-20@27.[271,1315,181,1919]" captionTargetId-11="figure-25@28.[151,1435,198,1158]" captionTargetId-2="figure-179@18.[151,1435,489,1867]" captionTargetId-3="figure-20@19.[151,1435,198,1845]" captionTargetId-4="figure-25@20.[151,1436,181,1774]" captionTargetId-5="figure-20@21.[151,1435,181,1670]" captionTargetId-6="figure-137@22.[151,1436,453,1673]" captionTargetId-7="figure-20@23.[210,1377,181,1919]" captionTargetId-8="figure-25@24.[151,1435,198,1494]" captionTargetId-9="figure-143@25.[151,1435,417,1772]" captionTargetPageId-0="16" captionTargetPageId-1="17" captionTargetPageId-10="27" captionTargetPageId-11="28" captionTargetPageId-2="18" captionTargetPageId-3="19" captionTargetPageId-4="20" captionTargetPageId-5="21" captionTargetPageId-6="22" captionTargetPageId-7="23" captionTargetPageId-8="24" captionTargetPageId-9="25" captionText-0="FIGURE 12. Canuellina pacifica sp. nov. A, female, habitus, dorsal, microphotograph; B, male, habitus, dorsal, microphotograph." captionText-1="FIGURE 13. Canuellina pacifica sp. nov., female.A, P5; B, urosome, dorsal; C, distal part of left caudal ramus, with arrowhead indicating hyaline spiniform blunt element; D, urosome, ventral; E, left caudal ramus, ventral." captionText-10="FIGURE 22. Canuellina pacifica sp. nov., male. P5-bearing somite, genital somite, and third urosomite, ventral, showing P5 and P6." captionText-11="FIGURE 23. Canuellina pacifica sp. nov., male. P5, microphotograph." captionText-2="FIGURE 14. Canuellina pacifica sp. nov., female. A, urosome, dorsal, microphotograph; B, P5-bearing somite, dorsal, microphotograph; C, genital double-somite showing P6, ventral, microphotograph; D, distal part of caudal ramus, with arrowhead indicating hyaline spiniform blunt element, microphotograph." captionText-3="FIGURE 15. Canuellina pacifica sp. nov., female. A, rostrum and antennule; B, antenna." captionText-4="FIGURE 16. Canuellina pacifica sp. nov., female. A, mandible, with arrowheads indicating plumose setae; B, distal segment of endopod of mandible; C, maxillule, with arrowheads indicating plumose setae; D, arthrite of maxillule." captionText-5="FIGURE 17. Canuellina pacifica sp. nov., female. A, maxilla; B, maxilliped, with arrowheads indicating plumose setae." captionText-6="FIGURE 18. Canuellina pacifica sp. nov., female. A, P1 (setular ornamentation of exopodal and endopodal setae omitted for clarity); B, P2." captionText-7="FIGURE 19. Canuellina pacifica sp. nov., female.A–B, endopod of P2, with arrowheads indicating long stiff inner seta parallel to inner margin of outer projection, microphotograph." captionText-8="FIGURE 20. Canuellina pacifica sp. nov., female. A, P3; B, P4." captionText-9="FIGURE 21. Canuellina pacifica sp. nov., male. Antennule, with arrowheads indicating plumose setae." figureDoi-0="http://doi.org/10.5281/zenodo.14594876" figureDoi-1="http://doi.org/10.5281/zenodo.14594878" figureDoi-10="http://doi.org/10.5281/zenodo.14594898" figureDoi-11="http://doi.org/10.5281/zenodo.14594900" figureDoi-2="http://doi.org/10.5281/zenodo.14594880" figureDoi-3="http://doi.org/10.5281/zenodo.14594882" figureDoi-4="http://doi.org/10.5281/zenodo.14594884" figureDoi-5="http://doi.org/10.5281/zenodo.14594886" figureDoi-6="http://doi.org/10.5281/zenodo.14594890" figureDoi-7="http://doi.org/10.5281/zenodo.14594892" figureDoi-8="http://doi.org/10.5281/zenodo.14594894" figureDoi-9="http://doi.org/10.5281/zenodo.14594896" httpUri-0="https://zenodo.org/record/14594876/files/figure.png" httpUri-1="https://zenodo.org/record/14594878/files/figure.png" httpUri-10="https://zenodo.org/record/14594898/files/figure.png" httpUri-11="https://zenodo.org/record/14594900/files/figure.png" httpUri-2="https://zenodo.org/record/14594880/files/figure.png" httpUri-3="https://zenodo.org/record/14594882/files/figure.png" httpUri-4="https://zenodo.org/record/14594884/files/figure.png" httpUri-5="https://zenodo.org/record/14594886/files/figure.png" httpUri-6="https://zenodo.org/record/14594890/files/figure.png" httpUri-7="https://zenodo.org/record/14594892/files/figure.png" httpUri-8="https://zenodo.org/record/14594894/files/figure.png" httpUri-9="https://zenodo.org/record/14594896/files/figure.png" pageId="15" pageNumber="512">Figs. 12–23</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C329B397FFD1FFACFF18FBEAEC2AFAD6" pageId="15" pageNumber="512" type="materials_examined">
<paragraph id="8B8CE01CFFD1FFACFF18FBEAEB19FB46" blockId="15.[151,1437,1080,2043]" pageId="15" pageNumber="512">
<emphasis id="B9473C0EFFD1FFACFF18FBEAEEBFFBF6" bold="true" box="[151,384,1080,1106]" pageId="15" pageNumber="512">Material examined.</emphasis>
<specimenCount id="9D352B95FFD1FFACFE09FBEBEEA4FBF7" box="[390,411,1081,1107]" count="1" pageId="15" pageNumber="512" type="female">♀</specimenCount>
<typeStatus id="54885EBEFFD1FFACFE2EFBEAED3CFBF6" box="[417,515,1080,1106]" pageId="15" pageNumber="512" type="holotype">holotype</typeStatus>
preserved in alcohol (ICML-EMUCOP-020623-01),
<specimenCount id="9D352B95FFD1FFACFBD8FBEBEB53FBF7" box="[1111,1132,1081,1107]" count="1" pageId="15" pageNumber="512" type="male">♂</specimenCount>
<typeStatus id="54885EBEFFD1FFACFBFDFBEAEBF3FBF6" box="[1138,1228,1080,1106]" pageId="15" pageNumber="512" type="allotype">allotype</typeStatus>
partially dissected (habitus preserved in alcohol; right A1, right P1–P3, left P4 dissected and mounted on one slide each) (ICML- EMUCOP-020623-04),
<specimenCount id="9D352B95FFD1FFACFE27FB53EECFFB3F" box="[424,496,1153,1179]" count="2" pageId="15" pageNumber="512" type="female">two ♀</specimenCount>
<typeStatus id="54885EBEFFD1FFACFE76FB53ED5BFB3F" box="[505,612,1153,1179]" pageId="15" pageNumber="512" type="paratype">paratypes</typeStatus>
(ICML-EMUCOP-020623-02–03),
<date id="FF8DC6DCFFD1FFACFB8EFB53EBA8FB3E" box="[1025,1175,1152,1179]" pageId="15" pageNumber="512" value="2023-06-02">June 2, 2023</date>
, from the type locality (stn 2, see below);
<specimenCount id="9D352B95FFD1FFACFEE9FB76EE86FB1B" box="[358,441,1188,1215]" count="3" pageId="15" pageNumber="512" type="female">three ♀</specimenCount>
<typeStatus id="54885EBEFFD1FFACFE31FB77ED16FB1B" box="[446,553,1189,1215]" pageId="15" pageNumber="512" type="paratype">paratypes</typeStatus>
dissected and mounted on eight, 11, and nine slides (ICML-EMUCOP-020223- 22–24),
<date id="FF8DC6DCFFD1FFACFF7AFB1AEE87FB46" box="[245,440,1224,1250]" pageId="15" pageNumber="512" value="2023-02-02">February 2, 2023</date>
, from stn 6 (see below); Leonardo García-Vázquez leg.
</paragraph>
<paragraph id="8B8CE01CFFD1FFACFF48FB3EEDABFA8E" blockId="15.[151,1437,1080,2043]" pageId="15" pageNumber="512">
<materialsCitation id="3B5BEA41FFD1FFACFF48FB3EED45FA8E" latitude="25.6" location="Ohuira Bay" longLatPrecision="5578" longitude="-109.02" municipality="North-western" pageId="15" pageNumber="512" specimenCount="1" stateProvince="Mexico" typeStatus="holotype">
<emphasis id="B9473C0EFFD1FFACFF48FB3EEE56FAA2" bold="true" box="[199,361,1260,1286]" pageId="15" pageNumber="512">
<typeStatus id="54885EBEFFD1FFACFF48FB3EEE3DFAA2" box="[199,258,1260,1286]" pageId="15" pageNumber="512">Type</typeStatus>
locality.
</emphasis>
<collectingMunicipality id="6BE87A66FFD1FFACFEFBFB3EED29FAA2" box="[372,534,1260,1286]" pageId="15" pageNumber="512">North-western</collectingMunicipality>
<collectingRegion id="49F72EFEFFD1FFACFDAFFB3EED47FAA2" box="[544,632,1260,1286]" country="Mexico" name="Mexico" pageId="15" pageNumber="512">Mexico</collectingRegion>
, northern
<collectingRegion id="49F72EFEFFD1FFACFD7EFB3EECB9FAA3" box="[753,902,1260,1287]" country="Mexico" name="Sinaloa" pageId="15" pageNumber="512">Sinaloa state</collectingRegion>
,
<location id="8EECB6C7FFD1FFACFC1AFB3EEB23FAA3" LSID="urn:lsid:plazi:treatment:039A510AFFD1FFB9FF18FC7CEECBF831:8EECB6C7FFD1FFACFC1AFB3EEB23FAA3" box="[917,1052,1260,1287]" latitude="25.6" longLatPrecision="5578" longitude="-109.02" municipality="North-western" name="Ohuira Bay" pageId="15" pageNumber="512" stateProvince="Mexico">Ohuira Bay</location>
, stn 2 (
<geoCoordinate id="EE0786DBFFD1FFACFBF8FB3EEBF4FAA3" box="[1143,1227,1260,1287]" degrees="25.6" direction="north" orientation="latitude" pageId="15" pageNumber="512" precision="5555" value="25.6">25.6°N</geoCoordinate>
,
<geoCoordinate id="EE0786DBFFD1FFACFB55FB3EEA6DFAA2" box="[1242,1362,1260,1286]" degrees="109.02" direction="west" orientation="longitude" pageId="15" pageNumber="512" precision="555" value="-109.02">109.02°W</geoCoordinate>
); sand 79.59%, silt 14.20%, clay 6.21%, C
<subScript id="17B7E259FFD1FFACFDA7FAF1ED02FA95" attach="left" box="[552,573,1315,1329]" fontSize="6" pageId="15" pageNumber="512">org</subScript>
0.60
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%.
</paragraph>
<paragraph id="8B8CE01CFFD1FFACFF48FAE6ED96FAD6" blockId="15.[151,1437,1080,2043]" pageId="15" pageNumber="512">
<materialsCitation id="3B5BEA41FFD1FFACFF48FAE6ED96FAD6" collectingDate="2023-02-02" county="Other" latitude="25.56" location="Ohuira Bay" longLatPrecision="748" longitude="-108.98" municipality="North-western" pageId="15" pageNumber="512" specimenCount="1" stateProvince="Mexico">
<collectingCounty id="62ED9890FFD1FFACFF48FAE6EE38FAEA" box="[199,263,1332,1358]" pageId="15" pageNumber="512">Other</collectingCounty>
sites:
<collectingMunicipality id="6BE87A66FFD1FFACFEC2FAE6EED0FAEA" box="[333,495,1332,1358]" pageId="15" pageNumber="512">North-western</collectingMunicipality>
<collectingRegion id="49F72EFEFFD1FFACFE7BFAE6ED73FAEA" box="[500,588,1332,1358]" country="Mexico" name="Mexico" pageId="15" pageNumber="512">Mexico</collectingRegion>
, northern
<collectingRegion id="49F72EFEFFD1FFACFD33FAE6EC73FAEB" box="[700,844,1332,1359]" country="Mexico" name="Sinaloa" pageId="15" pageNumber="512">Sinaloa state</collectingRegion>
,
<location id="8EECB6C7FFD1FFACFCD9FAE6ECE7FAEB" LSID="urn:lsid:plazi:treatment:039A510AFFD1FFB9FF18FC7CEECBF831:8EECB6C7FFD1FFACFCD9FAE6ECE7FAEB" box="[854,984,1332,1359]" county="Other" latitude="25.56" longLatPrecision="748" longitude="-108.98" municipality="North-western" name="Ohuira Bay" pageId="15" pageNumber="512" stateProvince="Mexico">Ohuira Bay</location>
, stn 6 (
<geoCoordinate id="EE0786DBFFD1FFACFBAAFAE6EBB7FAEB" box="[1061,1160,1332,1359]" degrees="25.56" direction="north" orientation="latitude" pageId="15" pageNumber="512" precision="555" value="25.56">25.56°N</geoCoordinate>
,
<geoCoordinate id="EE0786DBFFD1FFACFB1DFAE6EA36FAEA" box="[1170,1289,1332,1358]" degrees="108.98" direction="west" orientation="longitude" pageId="15" pageNumber="512" precision="555" value="-108.98">108.98°W</geoCoordinate>
);
<date id="FF8DC6DCFFD1FFACFA93FAE6EFEDFAD6" pageId="15" pageNumber="512" value="2023-02-02">
<collectingDate id="EFC93F34FFD1FFACFA93FAE6EFEDFAD6" pageId="15" pageNumber="512" value="2023-02-02">February 2, 2023</collectingDate>
</date>
; sand 27.34%, silt 49.06%, clay 23.6%, C
</materialsCitation>
</paragraph>
<paragraph id="8B8CE01CFFD1FFACFD26FAB9ED81FADD" blockId="15.[151,1437,1080,2043]" box="[681,702,1387,1401]" pageId="15" pageNumber="512">org</paragraph>
<paragraph id="8B8CE01CFFD1FFACFD4AFA8AEC2AFAD6" blockId="15.[151,1437,1080,2043]" box="[709,789,1368,1394]" pageId="15" pageNumber="512">2.37%.</paragraph>
</subSubSection>
<subSubSection id="C329B397FFD1FFACFF48FAAEEB4BFA32" box="[199,1140,1404,1431]" pageId="15" pageNumber="512" type="etymology">
<paragraph id="8B8CE01CFFD1FFACFF48FAAEEB4BFA32" blockId="15.[151,1437,1080,2043]" box="[199,1140,1404,1431]" pageId="15" pageNumber="512">
<emphasis id="B9473C0EFFD1FFACFF48FAAEEE71FA32" bold="true" box="[199,334,1404,1430]" pageId="15" pageNumber="512">Etymology.</emphasis>
The species name refers to the region where the material was collected.
</paragraph>
</subSubSection>
<subSubSection id="C329B397FFD1FFB9FF48FA72EECBF831" lastPageId="26" lastPageNumber="523" pageId="15" pageNumber="512" type="diagnosis">
<paragraph id="8B8CE01CFFD1FFACFF48FA72EC95F936" blockId="15.[151,1437,1080,2043]" pageId="15" pageNumber="512">
<emphasis id="B9473C0EFFD1FFACFF48FA72EEEFFA1E" bold="true" box="[199,464,1440,1466]" pageId="15" pageNumber="512">Differential diagnosis.</emphasis>
<taxonomicName id="4C339B9FFFD1FFACFE56FA72ED5DFA1E" authorityName="Lang" authorityYear="1944" box="[473,610,1440,1466]" class="Copepoda" family="Canuellidae" kingdom="Animalia" order="Polyarthra" pageId="15" pageNumber="512" phylum="Arthropoda" rank="family">Canuellidae</taxonomicName>
. P5-bearing somite with dorsal pattern of chitinized plates. Caudal rami with seven setae of which six unmodified, one transformed into triangular blunt, hyaline spiniform dorsal element close to outer subdistal margin.Antennary basis with one seta. Distal inner seta on P3EXP3 nearly half as long as the distal outer seta; distal inner element on P3ENP3 shorter than distal outer seta; distal inner seta on P2EXP3 visibly shorter than distal outer element; P2ENP2 with long stiff inner seta parallel to inner margin of outer projection. Female P5 separated from somite, pair of legs fused medially, each with four setae. Male P6 with four elements of different lengths, three outermost ones sclerotized, innermost shortest.
</paragraph>
<paragraph id="8B8CE01CFFD1FFB1FF5EF94EEB47FE75" blockId="15.[151,1437,1080,2043]" lastBlockId="18.[151,1437,151,465]" lastPageId="18" lastPageNumber="515" pageId="15" pageNumber="512">
Description of female. Habitus (
<figureCitation id="1308FC99FFD1FFACFDCBF94EED93F912" box="[580,684,1692,1718]" captionStart="FIGURE 12" captionStartId="16.[151,250,1746,1770]" captionTargetBox="[151,1435,181,1722]" captionTargetId="figure-25@16.[151,1435,181,1722]" captionTargetPageId="16" captionText="FIGURE 12. Canuellina pacifica sp. nov. A, female, habitus, dorsal, microphotograph; B, male, habitus, dorsal, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594876" httpUri="https://zenodo.org/record/14594876/files/figure.png" pageId="15" pageNumber="512">Fig. 12A</figureCitation>
) semicylindrical; total body length measured from anterior tip of rostrum to posterior margin of caudal rami ranging from 1120 µm to 1260 µm (mean= 1202.5 µm; n= 4), with maximum width at the posterior margin of cephalothorax. General body shape largely as in
<taxonomicName id="4C339B9FFFD1FFACFB20F936EA12F95A" baseAuthorityName="Coull" baseAuthorityYear="1971" box="[1199,1325,1764,1790]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="15" pageNumber="512" phylum="Arthropoda" rank="species" species="secunda">
<emphasis id="B9473C0EFFD1FFACFB20F936EA12F95A" box="[1199,1325,1764,1790]" italics="true" pageId="15" pageNumber="512">C. secunda</emphasis>
</taxonomicName>
. Rostrum (
<figureCitation id="1308FC99FFD1FFACFF10F8DAEE38F887" box="[159,263,1800,1827]" captionStart="FIGURE 15" captionStartId="19.[151,250,1869,1893]" captionTargetBox="[155,1431,202,1841]" captionTargetId="figure-20@19.[151,1435,198,1845]" captionTargetPageId="19" captionText="FIGURE 15. Canuellina pacifica sp. nov., female. A, rostrum and antennule; B, antenna." figureDoi="http://doi.org/10.5281/zenodo.14594882" httpUri="https://zenodo.org/record/14594882/files/figure.png" pageId="15" pageNumber="512">Fig. 15A</figureCitation>
) not fused to cephalothorax; large, broadly triangular, with rounded tip; with one subapical somewhat thickened sensilla on each side. First pedigerous somite fused to cephalosome. Urosome (
<figureCitation id="1308FC99FFD1FFACFB0AF8FEEBC7F8E2" box="[1157,1272,1836,1862]" captionStart="FIGURE 12" captionStartId="16.[151,250,1746,1770]" captionTargetBox="[151,1435,181,1722]" captionTargetId="figure-25@16.[151,1435,181,1722]" captionTargetPageId="16" captionText="FIGURE 12. Canuellina pacifica sp. nov. A, female, habitus, dorsal, microphotograph; B, male, habitus, dorsal, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594876" httpUri="https://zenodo.org/record/14594876/files/figure.png" pageId="15" pageNumber="512">Figs. 12A</figureCitation>
,
<figureCitation id="1308FC99FFD1FFACFA8CF8FEEA68F8E3" box="[1283,1367,1836,1863]" captionStart="FIGURE 13" captionStartId="17.[151,250,1831,1855]" captionTargetBox="[155,1431,194,1804]" captionTargetId="figure-20@17.[151,1435,181,1807]" captionTargetPageId="17" captionText="FIGURE 13. Canuellina pacifica sp. nov., female.A, P5; B, urosome, dorsal; C, distal part of left caudal ramus, with arrowhead indicating hyaline spiniform blunt element; D, urosome, ventral; E, left caudal ramus, ventral." figureDoi="http://doi.org/10.5281/zenodo.14594878" httpUri="https://zenodo.org/record/14594878/files/figure.png" pageId="15" pageNumber="512">13B, D</figureCitation>
,
<figureCitation id="1308FC99FFD1FFACFAECF8FEEAABF8E2" box="[1379,1428,1836,1862]" captionStart="FIGURE 14" captionStartId="18.[151,250,1890,1914]" captionTargetBox="[151,1435,489,1867]" captionTargetId="figure-179@18.[151,1435,489,1867]" captionTargetPageId="18" captionText="FIGURE 14. Canuellina pacifica sp. nov., female. A, urosome, dorsal, microphotograph; B, P5-bearing somite, dorsal, microphotograph; C, genital double-somite showing P6, ventral, microphotograph; D, distal part of caudal ramus, with arrowhead indicating hyaline spiniform blunt element, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594880" httpUri="https://zenodo.org/record/14594880/files/figure.png" pageId="15" pageNumber="512">14A</figureCitation>
) tapering posteriad, hyaline posterior fringe of urosomites smooth, consisting of fifth pedigerous somite, genital double-somite, two free somites, and anal somite; dorsal and ventral surface of urosomites with sensilla and pores as shown. P5-bearing somite (
<figureCitation id="1308FC99FFD1FFACFE68F84AED68F816" box="[487,599,1944,1970]" captionStart="FIGURE 13" captionStartId="17.[151,250,1831,1855]" captionTargetBox="[155,1431,194,1804]" captionTargetId="figure-20@17.[151,1435,181,1807]" captionTargetPageId="17" captionText="FIGURE 13. Canuellina pacifica sp. nov., female.A, P5; B, urosome, dorsal; C, distal part of left caudal ramus, with arrowhead indicating hyaline spiniform blunt element; D, urosome, ventral; E, left caudal ramus, ventral." figureDoi="http://doi.org/10.5281/zenodo.14594878" httpUri="https://zenodo.org/record/14594878/files/figure.png" pageId="15" pageNumber="512">Figs. 13B</figureCitation>
,
<figureCitation id="1308FC99FFD1FFACFDECF84AEDADF816" box="[611,658,1944,1970]" captionStart="FIGURE 14" captionStartId="18.[151,250,1890,1914]" captionTargetBox="[151,1435,489,1867]" captionTargetId="figure-179@18.[151,1435,489,1867]" captionTargetPageId="18" captionText="FIGURE 14. Canuellina pacifica sp. nov., female. A, urosome, dorsal, microphotograph; B, P5-bearing somite, dorsal, microphotograph; C, genital double-somite showing P6, ventral, microphotograph; D, distal part of caudal ramus, with arrowhead indicating hyaline spiniform blunt element, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594880" httpUri="https://zenodo.org/record/14594880/files/figure.png" pageId="15" pageNumber="512">14B</figureCitation>
) with dorsal pattern of chitinized plates as shown. Genital somite and third urosomite fused dorsally and ventrally forming genital double-somite (
<figureCitation id="1308FC99FFD1FFACFC6DF86EEB6CF872" box="[994,1107,1980,2006]" captionStart="FIGURE 12" captionStartId="16.[151,250,1746,1770]" captionTargetBox="[151,1435,181,1722]" captionTargetId="figure-25@16.[151,1435,181,1722]" captionTargetPageId="16" captionText="FIGURE 12. Canuellina pacifica sp. nov. A, female, habitus, dorsal, microphotograph; B, male, habitus, dorsal, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594876" httpUri="https://zenodo.org/record/14594876/files/figure.png" pageId="15" pageNumber="512">Figs. 12A</figureCitation>
,
<figureCitation id="1308FC99FFD1FFACFBD2F86EEB90F873" box="[1117,1199,1980,2007]" captionStart="FIGURE 13" captionStartId="17.[151,250,1831,1855]" captionTargetBox="[155,1431,194,1804]" captionTargetId="figure-20@17.[151,1435,181,1807]" captionTargetPageId="17" captionText="FIGURE 13. Canuellina pacifica sp. nov., female.A, P5; B, urosome, dorsal; C, distal part of left caudal ramus, with arrowhead indicating hyaline spiniform blunt element; D, urosome, ventral; E, left caudal ramus, ventral." figureDoi="http://doi.org/10.5281/zenodo.14594878" httpUri="https://zenodo.org/record/14594878/files/figure.png" pageId="15" pageNumber="512">13B, D</figureCitation>
,
<figureCitation id="1308FC99FFD1FFACFB36F86EEA34F872" box="[1209,1291,1980,2006]" captionStart="FIGURE 14" captionStartId="18.[151,250,1890,1914]" captionTargetBox="[151,1435,489,1867]" captionTargetId="figure-179@18.[151,1435,489,1867]" captionTargetPageId="18" captionText="FIGURE 14. Canuellina pacifica sp. nov., female. A, urosome, dorsal, microphotograph; B, P5-bearing somite, dorsal, microphotograph; C, genital double-somite showing P6, ventral, microphotograph; D, distal part of caudal ramus, with arrowhead indicating hyaline spiniform blunt element, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594880" httpUri="https://zenodo.org/record/14594880/files/figure.png" pageId="15" pageNumber="512">14A, C</figureCitation>
), with lateral internal cuticular band indicating former division between somites, slightly longer than wide, with genital area situated lateroventrally in the middle of genital double-somite, with one side covered with minute spinules as depicted. Fourth urosomite longer than fifth. Anal somite shorter than preceding somite, with caudal rami. Caudal rami (
<figureCitation id="1308FC99FFCCFFB1FF55FF0DEE55FF5D" box="[218,362,223,249]" captionStart="FIGURE 13" captionStartId="17.[151,250,1831,1855]" captionTargetBox="[155,1431,194,1804]" captionTargetId="figure-20@17.[151,1435,181,1807]" captionTargetPageId="17" captionText="FIGURE 13. Canuellina pacifica sp. nov., female.A, P5; B, urosome, dorsal; C, distal part of left caudal ramus, with arrowhead indicating hyaline spiniform blunt element; D, urosome, ventral; E, left caudal ramus, ventral." figureDoi="http://doi.org/10.5281/zenodo.14594878" httpUri="https://zenodo.org/record/14594878/files/figure.png" pageId="18" pageNumber="515">Figs. 13B–E</figureCitation>
,
<figureCitation id="1308FC99FFCCFFB1FEF9FF0DEE97FF5D" box="[374,424,223,249]" captionStart="FIGURE 14" captionStartId="18.[151,250,1890,1914]" captionTargetBox="[151,1435,489,1867]" captionTargetId="figure-179@18.[151,1435,489,1867]" captionTargetPageId="18" captionText="FIGURE 14. Canuellina pacifica sp. nov., female. A, urosome, dorsal, microphotograph; B, P5-bearing somite, dorsal, microphotograph; C, genital double-somite showing P6, ventral, microphotograph; D, distal part of caudal ramus, with arrowhead indicating hyaline spiniform blunt element, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594880" httpUri="https://zenodo.org/record/14594880/files/figure.png" pageId="18" pageNumber="515">14D</figureCitation>
) largely as in
<taxonomicName id="4C339B9FFFCCFFB1FDC8FF0DEDFBFF5D" baseAuthorityName="Coull" baseAuthorityYear="1971" box="[583,708,223,249]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="18" pageNumber="515" phylum="Arthropoda" rank="species" species="secunda">
<emphasis id="B9473C0EFFCCFFB1FDC8FF0DEDFBFF5D" box="[583,708,223,249]" italics="true" pageId="18" pageNumber="515">C. secunda</emphasis>
</taxonomicName>
, rami visibly longer than fifth and anal somites combined, about 2.3 times as long as wide, proximal margin wider and abruptly tapering posteriad; inner margin concave, outer margin nearly straight; distal margin extended ventrally into a rounded hyaline outgrowth; with pores as shown; homology of setae difficult to determine; setal complement as in
<taxonomicName id="4C339B9FFFCCFFB1FCF8FE99ECCBFEC1" baseAuthorityName="Coull" baseAuthorityYear="1971" box="[887,1012,331,357]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="18" pageNumber="515" phylum="Arthropoda" rank="species" species="secunda">
<emphasis id="B9473C0EFFCCFFB1FCF8FE99ECCBFEC1" box="[887,1012,331,357]" italics="true" pageId="18" pageNumber="515">C. secunda</emphasis>
</taxonomicName>
, with two inner plumose elements on distal fourth, one medial subdistal dorsal seta, one short distal inner seta, and two principal distal setae of which inner with fracture plane, and additionally with triangular blunt, hyaline spiniform dorsal element close to outer subdistal margin (
<figureCitation id="1308FC99FFCCFFB1FEEFFE65EECEFE75" box="[352,497,439,465]" captionStart="FIGURE 13" captionStartId="17.[151,250,1831,1855]" captionTargetBox="[155,1431,194,1804]" captionTargetId="figure-20@17.[151,1435,181,1807]" captionTargetPageId="17" captionText="FIGURE 13. Canuellina pacifica sp. nov., female.A, P5; B, urosome, dorsal; C, distal part of left caudal ramus, with arrowhead indicating hyaline spiniform blunt element; D, urosome, ventral; E, left caudal ramus, ventral." figureDoi="http://doi.org/10.5281/zenodo.14594878" httpUri="https://zenodo.org/record/14594878/files/figure.png" pageId="18" pageNumber="515">Figs. 13B, C</figureCitation>
,
<figureCitation id="1308FC99FFCCFFB1FE73FE65ED0EFE75" box="[508,561,439,465]" captionStart="FIGURE 14" captionStartId="18.[151,250,1890,1914]" captionTargetBox="[151,1435,489,1867]" captionTargetId="figure-179@18.[151,1435,489,1867]" captionTargetPageId="18" captionText="FIGURE 14. Canuellina pacifica sp. nov., female. A, urosome, dorsal, microphotograph; B, P5-bearing somite, dorsal, microphotograph; C, genital double-somite showing P6, ventral, microphotograph; D, distal part of caudal ramus, with arrowhead indicating hyaline spiniform blunt element, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594880" httpUri="https://zenodo.org/record/14594880/files/figure.png" pageId="18" pageNumber="515">14D</figureCitation>
). With two uniseriate egg sacs with
<specimenCount id="9D352B95FFCCFFB1FC4BFE65EB09FE75" box="[964,1078,439,465]" count="8" pageId="18" pageNumber="515" type="egg">eight eggs</specimenCount>
each.
</paragraph>
<caption id="DF4CB094FFCEFFB3FF18F900EE72F8AA" ID-DOI="http://doi.org/10.5281/zenodo.14594876" ID-Zenodo-Dep="14594876" httpUri="https://zenodo.org/record/14594876/files/figure.png" pageId="16" pageNumber="513" startId="16.[151,250,1746,1770]" targetBox="[151,1435,181,1722]" targetPageId="16" targetType="figure">
<paragraph id="8B8CE01CFFCEFFB3FF18F900EE72F8AA" blockId="16.[151,1436,1746,1806]" pageId="16" pageNumber="513">
<emphasis id="B9473C0EFFCEFFB3FF18F900EE15F94E" bold="true" box="[151,298,1746,1770]" pageId="16" pageNumber="513">FIGURE 12.</emphasis>
<taxonomicName id="4C339B9FFFCEFFB3FEB5F900ED31F94F" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[314,526,1746,1771]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="16" pageNumber="513" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFCEFFB3FEB5F900ED31F94F" box="[314,526,1746,1771]" italics="true" pageId="16" pageNumber="513">Canuellina pacifica</emphasis>
</taxonomicName>
<emphasis id="B9473C0EFFCEFFB3FD91F901ED46F94F" bold="true" box="[542,633,1747,1771]" pageId="16" pageNumber="513">
<taxonomicNameLabel id="A2748175FFCEFFB3FD91F901ED46F94F" box="[542,633,1747,1771]" pageId="16" pageNumber="513" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
A, female, habitus, dorsal, microphotograph; B, male, habitus, dorsal, microphotograph.
</paragraph>
</caption>
<caption id="DF4CB094FFCFFFB2FF18F8F5EB6FF8C7" ID-DOI="http://doi.org/10.5281/zenodo.14594878" ID-Zenodo-Dep="14594878" httpUri="https://zenodo.org/record/14594878/files/figure.png" pageId="17" pageNumber="514" startId="17.[151,250,1831,1855]" targetBox="[155,1431,194,1804]" targetPageId="17" targetType="figure">
<paragraph id="8B8CE01CFFCFFFB2FF18F8F5EB6FF8C7" blockId="17.[151,1436,1831,1891]" pageId="17" pageNumber="514">
<emphasis id="B9473C0EFFCFFFB2FF18F8F5EE20F89B" bold="true" box="[151,287,1831,1855]" pageId="17" pageNumber="514">FIGURE 13.</emphasis>
<taxonomicName id="4C339B9FFFCFFFB2FEABF8F5EED4F89B" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[292,491,1831,1855]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="17" pageNumber="514" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFCFFFB2FEABF8F5EED4F89B" box="[292,491,1831,1855]" italics="true" pageId="17" pageNumber="514">Canuellina pacifica</emphasis>
</taxonomicName>
<emphasis id="B9473C0EFFCFFFB2FE7FF8F5ED00F89B" bold="true" box="[496,575,1831,1855]" pageId="17" pageNumber="514">
<taxonomicNameLabel id="A2748175FFCFFFB2FE7FF8F5ED00F89B" box="[496,575,1831,1855]" pageId="17" pageNumber="514" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, female.A, P5; B, urosome, dorsal; C, distal part of left caudal ramus, with arrowhead indicating hyaline spiniform blunt element; D, urosome, ventral; E, left caudal ramus, ventral.
</paragraph>
</caption>
<caption id="DF4CB094FFCCFFB1FF18F8B0EC35F867" ID-DOI="http://doi.org/10.5281/zenodo.14594880" ID-Zenodo-Dep="14594880" httpUri="https://zenodo.org/record/14594880/files/figure.png" pageId="18" pageNumber="515" startId="18.[151,250,1890,1914]" targetBox="[151,1435,489,1867]" targetPageId="18" targetType="figure">
<paragraph id="8B8CE01CFFCCFFB1FF18F8B0EC35F867" blockId="18.[151,1436,1890,1987]" pageId="18" pageNumber="515">
<emphasis id="B9473C0EFFCCFFB1FF18F8B0EE1AF8DF" bold="true" box="[151,293,1890,1915]" pageId="18" pageNumber="515">FIGURE 14.</emphasis>
<taxonomicName id="4C339B9FFFCCFFB1FEBFF8B1EEC0F8DF" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[304,511,1891,1915]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="18" pageNumber="515" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFCCFFB1FEBFF8B1EEC0F8DF" box="[304,511,1891,1915]" italics="true" pageId="18" pageNumber="515">Canuellina pacifica</emphasis>
</taxonomicName>
<emphasis id="B9473C0EFFCCFFB1FD85F8B1ED60F8DF" bold="true" box="[522,607,1891,1915]" pageId="18" pageNumber="515">
<taxonomicNameLabel id="A2748175FFCCFFB1FD85F8B1ED60F8DF" box="[522,607,1891,1915]" pageId="18" pageNumber="515" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, female. A, urosome, dorsal, microphotograph; B, P5-bearing somite, dorsal, microphotograph; C, genital double-somite showing P6, ventral, microphotograph; D, distal part of caudal ramus, with arrowhead indicating hyaline spiniform blunt element, microphotograph.
</paragraph>
</caption>
<caption id="DF4CB094FFCDFFB0FF18F89FEB1AF8C1" ID-DOI="http://doi.org/10.5281/zenodo.14594882" ID-Zenodo-Dep="14594882" box="[151,1061,1869,1893]" httpUri="https://zenodo.org/record/14594882/files/figure.png" pageId="19" pageNumber="516" startId="19.[151,250,1869,1893]" targetBox="[155,1431,202,1841]" targetPageId="19" targetType="figure">
<paragraph id="8B8CE01CFFCDFFB0FF18F89FEB1AF8C1" blockId="19.[151,1061,1869,1893]" box="[151,1061,1869,1893]" pageId="19" pageNumber="516">
<emphasis id="B9473C0EFFCDFFB0FF18F89FEE1FF8C1" bold="true" box="[151,288,1869,1893]" pageId="19" pageNumber="516">FIGURE 15.</emphasis>
<taxonomicName id="4C339B9FFFCDFFB0FEA9F89FEED0F8C1" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[294,495,1869,1893]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="19" pageNumber="516" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFCDFFB0FEA9F89FEED0F8C1" box="[294,495,1869,1893]" italics="true" pageId="19" pageNumber="516">Canuellina pacifica</emphasis>
</taxonomicName>
<emphasis id="B9473C0EFFCDFFB0FE7AF89FED7AF8C1" bold="true" box="[501,581,1869,1893]" pageId="19" pageNumber="516">
<taxonomicNameLabel id="A2748175FFCDFFB0FE7AF89FED7AF8C1" box="[501,581,1869,1893]" pageId="19" pageNumber="516" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, female. A, rostrum and antennule; B, antenna.
</paragraph>
</caption>
<caption id="DF4CB094FFCAFFB7FF18F8D4EBF6F8E6" ID-DOI="http://doi.org/10.5281/zenodo.14594884" ID-Zenodo-Dep="14594884" httpUri="https://zenodo.org/record/14594884/files/figure.png" pageId="20" pageNumber="517" startId="20.[151,250,1798,1822]" targetBox="[155,1419,185,1770]" targetPageId="20" targetType="figure">
<paragraph id="8B8CE01CFFCAFFB7FF18F8D4EBF6F8E6" blockId="20.[151,1436,1798,1858]" pageId="20" pageNumber="517">
<emphasis id="B9473C0EFFCAFFB7FF18F8D4EE1FF8BA" bold="true" box="[151,288,1798,1822]" pageId="20" pageNumber="517">FIGURE 16.</emphasis>
<taxonomicName id="4C339B9FFFCAFFB7FEA8F8D4EECEF8BA" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[295,497,1798,1822]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="20" pageNumber="517" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFCAFFB7FEA8F8D4EECEF8BA" box="[295,497,1798,1822]" italics="true" pageId="20" pageNumber="517">Canuellina pacifica</emphasis>
</taxonomicName>
<emphasis id="B9473C0EFFCAFFB7FE78F8D4ED76F8BA" bold="true" box="[503,585,1798,1822]" pageId="20" pageNumber="517">
<taxonomicNameLabel id="A2748175FFCAFFB7FE78F8D4ED76F8BA" box="[503,585,1798,1822]" pageId="20" pageNumber="517" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, female. A, mandible, with arrowheads indicating plumose setae; B, distal segment of endopod of mandible; C, maxillule, with arrowheads indicating plumose setae; D, arthrite of maxillule.
</paragraph>
</caption>
<caption id="DF4CB094FFCBFFB6FF18F94CEA5DF912" ID-DOI="http://doi.org/10.5281/zenodo.14594886" ID-Zenodo-Dep="14594886" box="[151,1378,1694,1719]" httpUri="https://zenodo.org/record/14594886/files/figure.png" pageId="21" pageNumber="518" startId="21.[151,250,1694,1718]" targetBox="[155,1431,185,1666]" targetPageId="21" targetType="figure">
<paragraph id="8B8CE01CFFCBFFB6FF18F94CEA5DF912" blockId="21.[151,1378,1694,1719]" box="[151,1378,1694,1719]" pageId="21" pageNumber="518">
<emphasis id="B9473C0EFFCBFFB6FF18F94CEE1FF912" bold="true" box="[151,288,1694,1718]" pageId="21" pageNumber="518">FIGURE 17.</emphasis>
<taxonomicName id="4C339B9FFFCBFFB6FEA9F94CEED0F912" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[294,495,1694,1718]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="21" pageNumber="518" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFCBFFB6FEA9F94CEED0F912" box="[294,495,1694,1718]" italics="true" pageId="21" pageNumber="518">Canuellina pacifica</emphasis>
</taxonomicName>
<emphasis id="B9473C0EFFCBFFB6FE7AF94CED7AF912" bold="true" box="[501,581,1694,1718]" pageId="21" pageNumber="518">
<taxonomicNameLabel id="A2748175FFCBFFB6FE7AF94CED7AF912" box="[501,581,1694,1718]" pageId="21" pageNumber="518" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, female. A, maxilla; B, maxilliped, with arrowheads indicating plumose setae.
</paragraph>
</caption>
<paragraph id="8B8CE01CFFCBFFB6FF48F929EAA5F825" blockId="21.[151,1437,1787,2030]" pageId="21" pageNumber="518">
Antennule (
<figureCitation id="1308FC99FFCBFFB6FEC3F929EE8DF8B2" box="[332,434,1787,1814]" captionStart="FIGURE 15" captionStartId="19.[151,250,1869,1893]" captionTargetBox="[155,1431,202,1841]" captionTargetId="figure-20@19.[151,1435,198,1845]" captionTargetPageId="19" captionText="FIGURE 15. Canuellina pacifica sp. nov., female. A, rostrum and antennule; B, antenna." figureDoi="http://doi.org/10.5281/zenodo.14594882" httpUri="https://zenodo.org/record/14594882/files/figure.png" pageId="21" pageNumber="518">Fig. 15A</figureCitation>
) presumably with seven original segments. First to fifth segments imperfectly separated forming large first composite segment with two proximal spinular rows, with set of medial inner long setules, with 26 setae in all and two seemingly free aesthetascs; penultimate segment distinct, with four setae; last segment distinct, with 14 setae as shown of which proximal outer stout and plumose, three medial outer and two subdistal biarticulate.
</paragraph>
<paragraph id="8B8CE01CFFCBFFB5FF48F859EE84FF71" blockId="21.[151,1437,1787,2030]" lastBlockId="22.[151,1437,151,429]" lastPageId="22" lastPageNumber="519" pageId="21" pageNumber="518">
Antenna (
<figureCitation id="1308FC99FFCBFFB6FEBBF859EEAAF802" box="[308,405,1931,1958]" captionStart="FIGURE 15" captionStartId="19.[151,250,1869,1893]" captionTargetBox="[155,1431,202,1841]" captionTargetId="figure-20@19.[151,1435,198,1845]" captionTargetPageId="19" captionText="FIGURE 15. Canuellina pacifica sp. nov., female. A, rostrum and antennule; B, antenna." figureDoi="http://doi.org/10.5281/zenodo.14594882" httpUri="https://zenodo.org/record/14594882/files/figure.png" pageId="21" pageNumber="518">Fig. 15B</figureCitation>
) biramous. Basis with spinular row medially, with short outer seta. Exopod seven-segmented; first-sixth segments with one, seventh segment with four pinnate elements. Endopod three-segmented; first segment with outer spinules as shown, with two medial setae; second segment seemingly unornamented, with one proximal and two distal elements; third segment with seven setae (six long of which two bare and four pinnate as depicted, and one short naked seta).
</paragraph>
<paragraph id="8B8CE01CFFC8FFB5FF48FF0DEC78FE09" blockId="22.[151,1437,151,429]" pageId="22" pageNumber="519">
Mandible (
<figureCitation id="1308FC99FFC8FFB5FEC8FF0DEEE8FF5D" box="[327,471,223,249]" captionStart="FIGURE 16" captionStartId="20.[151,250,1798,1822]" captionTargetBox="[155,1419,185,1770]" captionTargetId="figure-25@20.[151,1436,181,1774]" captionTargetPageId="20" captionText="FIGURE 16. Canuellina pacifica sp. nov., female. A, mandible, with arrowheads indicating plumose setae; B, distal segment of endopod of mandible; C, maxillule, with arrowheads indicating plumose setae; D, arthrite of maxillule." figureDoi="http://doi.org/10.5281/zenodo.14594884" httpUri="https://zenodo.org/record/14594884/files/figure.png" pageId="22" pageNumber="519">Fig. 16A, B</figureCitation>
) with well-developed gnathobase bearing multicuspidate teeth and several (five?) pinnate spines of which ventral longest. Basis large, with spinular rows as shown, with two inner subdistal setae. Exopod three-segmented, bent outwards; first segment with two setae (one medial, one subdistal); second segment with one proximal element; third segment with three setae; all endopodal setae plumose. Endopod two-segmented; first segment larger, with three pinnate inner setae, second segment with eight elements of which two outer plumose, two medial seemingly unornamented, the other setae pinnate.
</paragraph>
<caption id="DF4CB094FFC8FFB5FF18F972EE12F979" ID-DOI="http://doi.org/10.5281/zenodo.14594890" ID-Zenodo-Dep="14594890" httpUri="https://zenodo.org/record/14594890/files/figure.png" pageId="22" pageNumber="519" startId="22.[151,250,1696,1720]" targetBox="[166,1424,476,1648]" targetPageId="22" targetType="figure">
<paragraph id="8B8CE01CFFC8FFB5FF18F972EE12F979" blockId="22.[151,1437,1696,1757]" pageId="22" pageNumber="519">
<emphasis id="B9473C0EFFC8FFB5FF18F972EE1FF91C" bold="true" box="[151,288,1696,1720]" pageId="22" pageNumber="519">FIGURE 18.</emphasis>
<taxonomicName id="4C339B9FFFC8FFB5FEA8F972EECEF91D" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[295,497,1696,1721]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="22" pageNumber="519" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFC8FFB5FEA8F972EECEF91D" box="[295,497,1696,1721]" italics="true" pageId="22" pageNumber="519">Canuellina pacifica</emphasis>
</taxonomicName>
<emphasis id="B9473C0EFFC8FFB5FE78F973ED76F91D" bold="true" box="[503,585,1697,1721]" pageId="22" pageNumber="519">
<taxonomicNameLabel id="A2748175FFC8FFB5FE78F973ED76F91D" box="[503,585,1697,1721]" pageId="22" pageNumber="519" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, female. A, P1 (setular ornamentation of exopodal and endopodal setae omitted for clarity); B, P2.
</paragraph>
</caption>
<paragraph id="8B8CE01CFFC8FFB5FF48F8FAEA79F853" blockId="22.[151,1437,1832,2039]" pageId="22" pageNumber="519">
Maxillule (
<figureCitation id="1308FC99FFC8FFB5FEC4F8FAEEDDF8E6" box="[331,482,1832,1858]" captionStart="FIGURE 16" captionStartId="20.[151,250,1798,1822]" captionTargetBox="[155,1419,185,1770]" captionTargetId="figure-25@20.[151,1436,181,1774]" captionTargetPageId="20" captionText="FIGURE 16. Canuellina pacifica sp. nov., female. A, mandible, with arrowheads indicating plumose setae; B, distal segment of endopod of mandible; C, maxillule, with arrowheads indicating plumose setae; D, arthrite of maxillule." figureDoi="http://doi.org/10.5281/zenodo.14594884" httpUri="https://zenodo.org/record/14594884/files/figure.png" pageId="22" pageNumber="519">Fig. 16C, D</figureCitation>
) with praecoxa and coxa partially fused. Praecoxal arthrite narrow, seemingly unornamented; proximally with one thick seta with long slender pinnae, distally with seven spines and one seta, with two setae arising from short setophore. Coxal endite with row spinules and five setae; with three long plumose epipodal plumose setae. Exopod massive, bent outwards, one-segmented; with 11 setae of which ten inner and distal long and plumose, outermost shorter and bipinnate. Endopod three-segmented; first segment with four medial and four distal pinnate setae; second segment with five pinnate elements, third segment with six plumose setae.
</paragraph>
<caption id="DF4CB094FFC9FFB4FF18F845ED87F870" ID-DOI="http://doi.org/10.5281/zenodo.14594892" ID-Zenodo-Dep="14594892" httpUri="https://zenodo.org/record/14594892/files/figure.png" pageId="23" pageNumber="520" startId="23.[151,250,1943,1967]" targetBox="[210,1377,181,1919]" targetPageId="23" targetType="figure">
<paragraph id="8B8CE01CFFC9FFB4FF18F845ED87F870" blockId="23.[151,1436,1943,2004]" pageId="23" pageNumber="520">
<emphasis id="B9473C0EFFC9FFB4FF18F845EE20F80B" bold="true" box="[151,287,1943,1967]" pageId="23" pageNumber="520">FIGURE 19.</emphasis>
<taxonomicName id="4C339B9FFFC9FFB4FEABF84AEED3F814" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[292,492,1944,1968]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="23" pageNumber="520" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFC9FFB4FEABF84AEED3F814" box="[292,492,1944,1968]" italics="true" pageId="23" pageNumber="520">Canuellina pacifica</emphasis>
</taxonomicName>
<emphasis id="B9473C0EFFC9FFB4FE7EF84AED7FF814" bold="true" box="[497,576,1944,1968]" pageId="23" pageNumber="520">
<taxonomicNameLabel id="A2748175FFC9FFB4FE7EF84AED7FF814" box="[497,576,1944,1968]" pageId="23" pageNumber="520" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, female. A–B, endopod of P2, with arrowheads indicating long stiff inner seta parallel to inner margin of outer projection, microphotograph.
</paragraph>
</caption>
<caption id="DF4CB094FFC6FFBBFF18FA3CEC16F9A3" ID-DOI="http://doi.org/10.5281/zenodo.14594894" ID-Zenodo-Dep="14594894" box="[151,809,1518,1543]" httpUri="https://zenodo.org/record/14594894/files/figure.png" pageId="24" pageNumber="521" startId="24.[151,250,1518,1542]" targetBox="[155,1431,202,1490]" targetPageId="24" targetType="figure">
<paragraph id="8B8CE01CFFC6FFBBFF18FA3CEC16F9A3" blockId="24.[151,809,1518,1543]" box="[151,809,1518,1543]" pageId="24" pageNumber="521">
<emphasis id="B9473C0EFFC6FFBBFF18FA3CEE1FF9A2" bold="true" box="[151,288,1518,1542]" pageId="24" pageNumber="521">FIGURE 20.</emphasis>
<taxonomicName id="4C339B9FFFC6FFBBFEA9FA3CEED0F9A3" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[294,495,1518,1543]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="24" pageNumber="521" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFC6FFBBFEA9FA3CEED0F9A3" box="[294,495,1518,1543]" italics="true" pageId="24" pageNumber="521">Canuellina pacifica</emphasis>
</taxonomicName>
<emphasis id="B9473C0EFFC6FFBBFE7AFA3DED7AF9A3" bold="true" box="[501,581,1519,1543]" pageId="24" pageNumber="521">
<taxonomicNameLabel id="A2748175FFC6FFBBFE7AFA3DED7AF9A3" box="[501,581,1519,1543]" pageId="24" pageNumber="521" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, female. A, P3; B, P4.
</paragraph>
</caption>
<paragraph id="8B8CE01CFFC6FFBBFF48F980ECE7F97D" blockId="24.[151,1437,1618,2041]" pageId="24" pageNumber="521">
Maxilla (
<figureCitation id="1308FC99FFC6FFBBFEB8F980EE99F9C8" box="[311,422,1618,1644]" captionStart="FIGURE 17" captionStartId="21.[151,250,1694,1718]" captionTargetBox="[155,1431,185,1666]" captionTargetId="figure-20@21.[151,1435,181,1670]" captionTargetPageId="21" captionText="FIGURE 17. Canuellina pacifica sp. nov., female. A, maxilla; B, maxilliped, with arrowheads indicating plumose setae." figureDoi="http://doi.org/10.5281/zenodo.14594886" httpUri="https://zenodo.org/record/14594886/files/figure.png" pageId="24" pageNumber="521">Fig. 17A</figureCitation>
) with praecoxa and coxa imperfectly separated forming large syncoxa, seemingly unornamented; with four endites, of which two praecoxal close-set (proximal with five, distal with two setae), and two coxal separated (each with three setae). Allobasis drawn out into strong pinnate claw accompanied by three setae and two spines. Endopod seemingly one-segmented, with nine setae.
</paragraph>
<paragraph id="8B8CE01CFFC6FFBBFF48F930EFCEF814" blockId="24.[151,1437,1618,2041]" pageId="24" pageNumber="521">
Maxilliped (
<figureCitation id="1308FC99FFC6FFBBFEDDF930EE89F958" box="[338,438,1762,1788]" captionStart="FIGURE 17" captionStartId="21.[151,250,1694,1718]" captionTargetBox="[155,1431,185,1666]" captionTargetId="figure-20@21.[151,1435,181,1670]" captionTargetPageId="21" captionText="FIGURE 17. Canuellina pacifica sp. nov., female. A, maxilla; B, maxilliped, with arrowheads indicating plumose setae." figureDoi="http://doi.org/10.5281/zenodo.14594886" httpUri="https://zenodo.org/record/14594886/files/figure.png" pageId="24" pageNumber="521">Fig. 17B</figureCitation>
) phyllopodial. Praecoxa and coxa fused forming large syncoxa with one medial and one subdistal row of spinules, with one (praecoxal) proximal seta, and three sets (endites) of setae with two medial, four subdistal, and three distal elements. Basis with longitudinal row of outer long spinules; with three spinulose medial inner setae, and one spinulose inner element arising from distal long setophore. Endopod one-segmented, with ten setae arranged in four groups with two, two, three, and three setae, of which outermost seven plumose, the other pinnate.
</paragraph>
<paragraph id="8B8CE01CFFC6FFBAFF48F868EA20FE2D" blockId="24.[151,1437,1618,2041]" lastBlockId="25.[151,1437,151,393]" lastPageId="25" lastPageNumber="522" pageId="24" pageNumber="521">
P1 (
<figureCitation id="1308FC99FFC6FFBBFF79F868EE63F870" box="[246,348,1978,2004]" captionStart="FIGURE 18" captionStartId="22.[151,250,1696,1720]" captionTargetBox="[166,1424,476,1648]" captionTargetId="figure-137@22.[151,1436,453,1673]" captionTargetPageId="22" captionText="FIGURE 18. Canuellina pacifica sp. nov., female. A, P1 (setular ornamentation of exopodal and endopodal setae omitted for clarity); B, P2." figureDoi="http://doi.org/10.5281/zenodo.14594890" httpUri="https://zenodo.org/record/14594890/files/figure.png" pageId="24" pageNumber="521">Fig. 18A</figureCitation>
) with intercoxal sclerite transversely elongate. Coxa and basis with spinular ornamentation and with pores as figured, the former with inner long bipinnate seta, the latter with reduced outer naked seta and inner pinnate spine. Exopod with three subequal segments, reaching tip of ENP2; EXP1 with few, EXP2 without outer spinules, the former with outer spine and without inner armature, the latter with outer spine and inner seta; EXP3 unornamented, with three outer spines, two distal elements (one distal outer spine, one distal inner plumose seta), and two inner plumose setae. Endopod three-segmented, first segment longest, third segment shortest; ENP1 with short longitudinal row of outer spinules and medial subdistal pore, with one inner plumose seta; ENP2 and ENP3 with anterior patch of spinules as shown, the former with one inner plumose seta, the latter with two outer spines, two distal elements (one distal outer spine, one distal inner plumose seta), and two inner plumose setae.
</paragraph>
<caption id="DF4CB094FFC7FFBAFF18F8D1EB8AF8BF" ID-DOI="http://doi.org/10.5281/zenodo.14594896" ID-Zenodo-Dep="14594896" box="[151,1205,1795,1820]" httpUri="https://zenodo.org/record/14594896/files/figure.png" pageId="25" pageNumber="522" startId="25.[151,250,1795,1819]" targetBox="[155,1432,421,1768]" targetPageId="25" targetType="figure">
<paragraph id="8B8CE01CFFC7FFBAFF18F8D1EB8AF8BF" blockId="25.[151,1205,1795,1820]" box="[151,1205,1795,1820]" pageId="25" pageNumber="522">
<emphasis id="B9473C0EFFC7FFBAFF18F8D1EE1FF8BF" bold="true" box="[151,288,1795,1819]" pageId="25" pageNumber="522">FIGURE 21.</emphasis>
<taxonomicName id="4C339B9FFFC7FFBAFEA9F8D6EED0F8B8" authorityName="Gómez &amp; Yáñez-Rivera &amp; García-Vázquez &amp; Armenteros" authorityYear="2024" box="[294,495,1796,1820]" class="Copepoda" family="Canuellidae" genus="Canuellina" kingdom="Animalia" order="Polyarthra" pageId="25" pageNumber="522" phylum="Arthropoda" rank="species" species="pacifica" status="sp. nov.">
<emphasis id="B9473C0EFFC7FFBAFEA9F8D6EED0F8B8" box="[294,495,1796,1820]" italics="true" pageId="25" pageNumber="522">Canuellina pacifica</emphasis>
</taxonomicName>
<emphasis id="B9473C0EFFC7FFBAFE7AF8D6ED7AF8B8" bold="true" box="[501,581,1796,1820]" pageId="25" pageNumber="522">
<taxonomicNameLabel id="A2748175FFC7FFBAFE7AF8D6ED7AF8B8" box="[501,581,1796,1820]" pageId="25" pageNumber="522" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, male. Antennule, with arrowheads indicating plumose setae.
</paragraph>
</caption>
<paragraph id="8B8CE01CFFC7FFB9FF48F8BCEDF5FE09" blockId="25.[151,1437,1902,2036]" lastBlockId="26.[151,1437,151,1941]" lastPageId="26" lastPageNumber="523" pageId="25" pageNumber="522">
P2 (
<figureCitation id="1308FC99FFC7FFBAFF7CF8BCEE5CF82C" box="[243,355,1902,1928]" captionStart="FIGURE 18" captionStartId="22.[151,250,1696,1720]" captionTargetBox="[166,1424,476,1648]" captionTargetId="figure-137@22.[151,1436,453,1673]" captionTargetPageId="22" captionText="FIGURE 18. Canuellina pacifica sp. nov., female. A, P1 (setular ornamentation of exopodal and endopodal setae omitted for clarity); B, P2." figureDoi="http://doi.org/10.5281/zenodo.14594890" httpUri="https://zenodo.org/record/14594890/files/figure.png" pageId="25" pageNumber="522">Figs. 18B</figureCitation>
,
<figureCitation id="1308FC99FFC7FFBAFEE1F8BCEE81F82C" box="[366,446,1902,1928]" captionStart="FIGURE 19" captionStartId="23.[151,250,1943,1967]" captionTargetBox="[210,1377,181,1919]" captionTargetId="figure-20@23.[210,1377,181,1919]" captionTargetPageId="23" captionText="FIGURE 19. Canuellina pacifica sp. nov., female.A–B, endopod of P2, with arrowheads indicating long stiff inner seta parallel to inner margin of outer projection, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594892" httpUri="https://zenodo.org/record/14594892/files/figure.png" pageId="25" pageNumber="522">19A, B</figureCitation>
) with U-shaped intercoxal sclerite with two distal pointed tines, proximal part triangular. Coxa large, with spinular ornamentation as figured, with medial inner pore, unarmed. Basis as shown, with medial pointed projection distally between rami; with medial pore close to base of endopod; with reduced outer seta. Exopod three-segmented, inserted at a lower level than endopod and reaching distal third of ENP3; EXP1 shortest, EXP3 longest; exopodal segments with anterior patch of spinules as shown; EXP1 with outer spine, without inner armature; EXP2 with outer spine and inner seta; EXP3 with two outer spines, two apical elements (one distal outer spiniform element, one distal inner plumose seta), and two inner plumose setae. Endopod three-segmented, first segment shortest, third segment longest; ENP1 with outer pointed projection reaching tip of ENP2, unornamented, with long stiff inner seta parallel to inner margin of outer projection; ENP2 with outer and inner distal pointed projections, unornamented, with inner seta as shown; ENP3 with medial subdistal pore, with distal pointed outgrowths as depicted, with two outer naked spines, two distal elements (one distal outer spine with hook-like spinules, one distal inner seta), and one inner seta.
</paragraph>
<paragraph id="8B8CE01CFFC4FFB9FF48FE65EE4AFC25" blockId="26.[151,1437,151,1941]" pageId="26" pageNumber="523">
P3 (
<figureCitation id="1308FC99FFC4FFB9FF7DFE65EE69FE75" box="[242,342,439,465]" captionStart="FIGURE 20" captionStartId="24.[151,250,1518,1542]" captionTargetBox="[155,1431,202,1490]" captionTargetId="figure-25@24.[151,1435,198,1494]" captionTargetPageId="24" captionText="FIGURE 20. Canuellina pacifica sp. nov., female. A, P3; B, P4." figureDoi="http://doi.org/10.5281/zenodo.14594894" httpUri="https://zenodo.org/record/14594894/files/figure.png" pageId="26" pageNumber="523">Fig. 20A</figureCitation>
) with U-shaped intercoxal sclerite with two distal pointed tines, proximal part of sclerite attenuated. Coxa large, with spinular ornamentation as figured, with medial inner pore, with strong inner spiniform element. Basis largely as in P2; with medial inner pore close to base of endopod; with outer seta comparatively longer than in P2. Exopod three-segmented, inserted at a lower level than endopod and reaching middle of ENP3; EXP1 largest, EXP3 elongate; exopodal segments with anterior patch of spinules as shown; EXP1 with outer subdistal pore, with outer spine, without inner armature; EXP2 with outer subdistal pore, with outer spine and inner bipinnate seta; EXP3 with subdistal outer pore, with four elements displaced distally (two outer spines, one distal outer and one distal inner seta). Endopod three-segmented, first segment shortest, third segment longest; ENP1 with outer pointed projection reaching middle of ENP2, without spinular ornamentation, with subdistal outer pore and distal inner hyaline frill, with inner spine; ENP2 with outer distal pointed projection, unornamented, with subdistal outer pore, with distal inner hyaline frill, with inner seta; ENP3 with distal pointed outgrowths as depicted, unornamented, with medial subdistal pore, with two outer spines, and two distal elements (one distal outer spine, one distal inner spiniform element).
</paragraph>
<paragraph id="8B8CE01CFFC4FFB9FF48FC59ECF4FAA9" blockId="26.[151,1437,151,1941]" pageId="26" pageNumber="523">
P4 (
<figureCitation id="1308FC99FFC4FFB9FF78FC59EE61FC01" box="[247,350,907,933]" captionStart="FIGURE 20" captionStartId="24.[151,250,1518,1542]" captionTargetBox="[155,1431,202,1490]" captionTargetId="figure-25@24.[151,1435,198,1494]" captionTargetPageId="24" captionText="FIGURE 20. Canuellina pacifica sp. nov., female. A, P3; B, P4." figureDoi="http://doi.org/10.5281/zenodo.14594894" httpUri="https://zenodo.org/record/14594894/files/figure.png" pageId="26" pageNumber="523">Fig. 20B</figureCitation>
) with intercoxal sclerite as depicted. Coxa with spinular ornamentation and medial inner pore similar to that of P3, with short inner seta. Basis with transverse spinular row distally close to insertion site of endopod, with proximal outer pore, with long outer seta. Exopod three-segmented, inserted at a lower level than endopod, much longer than the latter; EXP1 largest, EXP2 and EXP3 subequal in length; exopodal segments with anterior patch of spinules as shown; EXP1 with small spinules distally and medially close to inner margin, with long outer spine, without inner armature; EXP2 with small spinules along inner margin as shown, with outer long spine, without inner armature; spinular ornamentation of EXP3 largely as in EXP2, with subdistal outer pore, with two outer spines and two distal elements (one distal outer long seta, one distal inner shorter spiniform element). Endopod two-segmented, reaching tip of EXP2, first segment shortest; ENP1 with small outer distal spinules, with medial pore, with inner strong, bare spine; ENP2 with outer distal pointed projection, unornamented, with outer subdistal pore, with three elements (one outer and one distal seta, one inner spine).
</paragraph>
<paragraph id="8B8CE01CFFC4FFB9FF48FAC5EC93FA95" blockId="26.[151,1437,151,1941]" box="[199,940,1303,1329]" pageId="26" pageNumber="523">Armature of swimming legs as in the differential diagnosis above.</paragraph>
<paragraph id="8B8CE01CFFC4FFB9FF48FAE8EB6EFADD" blockId="26.[151,1437,151,1941]" pageId="26" pageNumber="523">
P5 (
<figureCitation id="1308FC99FFC4FFB9FF7BFAE9EE44FAF1" box="[244,379,1339,1365]" captionStart="FIGURE 13" captionStartId="17.[151,250,1831,1855]" captionTargetBox="[155,1431,194,1804]" captionTargetId="figure-20@17.[151,1435,181,1807]" captionTargetPageId="17" captionText="FIGURE 13. Canuellina pacifica sp. nov., female.A, P5; B, urosome, dorsal; C, distal part of left caudal ramus, with arrowhead indicating hyaline spiniform blunt element; D, urosome, ventral; E, left caudal ramus, ventral." figureDoi="http://doi.org/10.5281/zenodo.14594878" httpUri="https://zenodo.org/record/14594878/files/figure.png" pageId="26" pageNumber="523">Fig. 13A, D</figureCitation>
) separated from somite, pair of legs fused medially forming transversely elongated plate, with four plumose setae of different lengths as shown, of which outermost (basal) longest.
</paragraph>
<paragraph id="8B8CE01CFFC4FFB9FF48FA51EC1FFA65" blockId="26.[151,1437,151,1941]" pageId="26" pageNumber="523">
P6 (
<figureCitation id="1308FC99FFC4FFB9FF7BFA51EE59FA39" box="[244,358,1411,1437]" captionStart="FIGURE 13" captionStartId="17.[151,250,1831,1855]" captionTargetBox="[155,1431,194,1804]" captionTargetId="figure-20@17.[151,1435,181,1807]" captionTargetPageId="17" captionText="FIGURE 13. Canuellina pacifica sp. nov., female.A, P5; B, urosome, dorsal; C, distal part of left caudal ramus, with arrowhead indicating hyaline spiniform blunt element; D, urosome, ventral; E, left caudal ramus, ventral." figureDoi="http://doi.org/10.5281/zenodo.14594878" httpUri="https://zenodo.org/record/14594878/files/figure.png" pageId="26" pageNumber="523">Figs. 13D</figureCitation>
,
<figureCitation id="1308FC99FFC4FFB9FEFDFA51EE9DFA39" box="[370,418,1411,1437]" captionStart="FIGURE 14" captionStartId="18.[151,250,1890,1914]" captionTargetBox="[151,1435,489,1867]" captionTargetId="figure-179@18.[151,1435,489,1867]" captionTargetPageId="18" captionText="FIGURE 14. Canuellina pacifica sp. nov., female. A, urosome, dorsal, microphotograph; B, P5-bearing somite, dorsal, microphotograph; C, genital double-somite showing P6, ventral, microphotograph; D, distal part of caudal ramus, with arrowhead indicating hyaline spiniform blunt element, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594880" httpUri="https://zenodo.org/record/14594880/files/figure.png" pageId="26" pageNumber="523">14C</figureCitation>
) represented by one long seta on each side of genital field, close to lateral margins; genital field large, with paired copulatory pores covered by flaps.
</paragraph>
<paragraph id="8B8CE01CFFC4FFB9FF48FA19ECF6F9D1" blockId="26.[151,1437,151,1941]" pageId="26" pageNumber="523">
Description of male. Habitus (
<figureCitation id="1308FC99FFC4FFB9FDA3FA19EDABFA41" box="[556,660,1483,1509]" captionStart="FIGURE 12" captionStartId="16.[151,250,1746,1770]" captionTargetBox="[151,1435,181,1722]" captionTargetId="figure-25@16.[151,1435,181,1722]" captionTargetPageId="16" captionText="FIGURE 12. Canuellina pacifica sp. nov. A, female, habitus, dorsal, microphotograph; B, male, habitus, dorsal, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594876" httpUri="https://zenodo.org/record/14594876/files/figure.png" pageId="26" pageNumber="523">Fig. 12B</figureCitation>
) semicylindrical, largely as in female except for genital and third urosomites separated; total body length of the only male specimen found, measured from anterior tip of rostrum to posterior margin of caudal rami 1050 µm. Urosome tapering posteriad, consisting of P5-bearing somite, subquadrate genital somite, three free somites, and anal somite with caudal rami. General shape of caudal rami as in female, dimorphism expressed in segmentation of urosome, A1, and shape of P6.
</paragraph>
<paragraph id="8B8CE01CFFC4FFB9FF48F9ADEB99F8A1" blockId="26.[151,1437,151,1941]" pageId="26" pageNumber="523">
Antennule (
<figureCitation id="1308FC99FFC4FFB9FEC4F9ADEEA3F93D" box="[331,412,1663,1689]" captionStart="FIGURE 21" captionStartId="25.[151,250,1795,1819]" captionTargetBox="[155,1432,421,1768]" captionTargetId="figure-143@25.[151,1435,417,1772]" captionTargetPageId="25" captionText="FIGURE 21. Canuellina pacifica sp. nov., male. Antennule, with arrowheads indicating plumose setae." figureDoi="http://doi.org/10.5281/zenodo.14594896" httpUri="https://zenodo.org/record/14594896/files/figure.png" pageId="26" pageNumber="523">Fig. 21</figureCitation>
) chirocerate; seemingly eight-segmented. First segment unarmed, ventrally with set of long spinules medially and distally; second to fourth segments imperfectly separated, with 23 setae and two aesthetascs as depicted; fifth and sixth segments short, with two and three setae respectively; seventh segment elongate, with eight setae; eighth segment short, with blunt tip, with seven setae of which three biarticulate.
</paragraph>
<paragraph id="8B8CE01CFFC4FFB9FF48F8DDECD5F88D" blockId="26.[151,1437,151,1941]" box="[199,1002,1806,1833]" pageId="26" pageNumber="523">Antenna and postantennal mouthparts, P1–P5 (not shown) as in female.</paragraph>
<paragraph id="8B8CE01CFFC4FFB9FF48F8E1EECBF831" blockId="26.[151,1437,151,1941]" pageId="26" pageNumber="523">
P6 (
<figureCitation id="1308FC99FFC4FFB9FF79F8E1EE6AF8E9" box="[246,341,1843,1869]" captionStart="FIGURE 22" captionStartId="27.[151,250,1943,1967]" captionTargetBox="[277,1309,187,1914]" captionTargetId="figure-20@27.[271,1315,181,1919]" captionTargetPageId="27" captionText="FIGURE 22. Canuellina pacifica sp. nov., male. P5-bearing somite, genital somite, and third urosomite, ventral, showing P5 and P6." figureDoi="http://doi.org/10.5281/zenodo.14594898" httpUri="https://zenodo.org/record/14594898/files/figure.png" pageId="26" pageNumber="523">Figs. 22</figureCitation>
,
<figureCitation id="1308FC99FFC4FFB9FEEDF8E1EE40F8E9" box="[354,383,1843,1869]" captionStart="FIGURE 23" captionStartId="28.[151,250,1182,1206]" captionTargetBox="[151,1435,198,1158]" captionTargetId="figure-25@28.[151,1435,198,1158]" captionTargetPageId="28" captionText="FIGURE 23. Canuellina pacifica sp. nov., male. P5, microphotograph." figureDoi="http://doi.org/10.5281/zenodo.14594900" httpUri="https://zenodo.org/record/14594900/files/figure.png" pageId="26" pageNumber="523">23</figureCitation>
) large, closing off single medial genital pore; inner margin distinct and with slender setules, outer margin seemingly fused to somite; with four elements of different lengths as shown, three outermost ones sclerotized, innermost shortest.
</paragraph>
</subSubSection>
</treatment>
</document>
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