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<document id="CDFB52549565C2B6FE1F56FF999B4374" ID-CLB-Dataset="46838" ID-DOI="10.5281/zenodo.201061" ID-GBIF-Dataset="5e7d0d28-851a-429b-8e52-8fe8793095b4" ID-ISSN="1175-5326" ID-Zenodo-Dep="201061" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460359522896" checkinUser="plazi" docAuthor="Markhaseva, Elena L. &amp; Renz, Jasmin" docDate="2011" docId="DE292E1AFFECFFB5ADE23062F2BDC555" docLanguage="en" docName="zt02889p068.pdf" docOrigin="Zootaxa 2889" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Byrathis arnei Schulz 2006" docType="treatment" docVersion="10" lastPageNumber="66" masterDocId="22105662FFE0FFA4AD753601F010C065" masterDocTitle="Two new Byrathis species (Copepoda: Calanoida) from the deep South Atlantic and Southern Ocean and first description of an adult male" masterLastPageNumber="68" masterPageNumber="49" pageNumber="61" updateTime="1698294284746" updateUser="ExternalLinkService">
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<mods:title id="A36BF961506EFE230B6C1E754DC496C4">Two new Byrathis species (Copepoda: Calanoida) from the deep South Atlantic and Southern Ocean and first description of an adult male</mods:title>
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<mods:namePart id="2F346273E4F42BD685951595EA2269AB">Markhaseva, Elena L.</mods:namePart>
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<mods:namePart id="BE7559AE5E051D7EA75061E4C48C5C88">Renz, Jasmin</mods:namePart>
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<mods:date id="9DFF1D2A7A9E8BE12EBC7ECF36D82534">2011</mods:date>
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<treatment id="DE292E1AFFECFFB5ADE23062F2BDC555" ID-DOI="http://doi.org/10.5281/zenodo.6193228" ID-GBIF-Taxon="119409394" ID-Zenodo-Dep="6193228" LSID="urn:lsid:plazi:treatment:DE292E1AFFECFFB5ADE23062F2BDC555" httpUri="http://treatment.plazi.org/id/DE292E1AFFECFFB5ADE23062F2BDC555" lastPageId="17" lastPageNumber="66" pageId="12" pageNumber="61">
<subSubSection id="1E9ACC87FFECFFA8ADE23062F136C6FB" pageId="12" pageNumber="61" type="nomenclature">
<paragraph id="563F9F0CFFECFFA8ADE23062F1F8C618" blockId="12.[151,488,1635,1694]" box="[151,488,1635,1661]" pageId="12" pageNumber="61">
<heading id="0D772860FFECFFA8ADE23062F1F8C618" bold="true" box="[151,488,1635,1661]" fontSize="11" level="1" pageId="12" pageNumber="61" reason="1">
<taxonomicName id="9180E48FFFECFFA8ADE23062F1F8C618" authority="Schulz, 2006" authorityName="Schulz" authorityYear="2006" box="[151,488,1635,1661]" class="Maxillopoda" family="Scolecitrichidae" genus="Byrathis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Calanoida" pageId="12" pageNumber="61" phylum="Arthropoda" rank="species" species="arnei">
<emphasis id="64F4431EFFECFFA8ADE23062F1F8C618" bold="true" box="[151,488,1635,1661]" pageId="12" pageNumber="61">
<emphasis id="64F4431EFFECFFA8ADE23062F154C618" bold="true" box="[151,324,1635,1661]" italics="true" pageId="12" pageNumber="61">Byrathis arnei</emphasis>
Schulz, 2006
</emphasis>
</taxonomicName>
</heading>
</paragraph>
<paragraph id="563F9F0CFFECFFA8ADE23087F136C6FB" blockId="12.[151,488,1635,1694]" box="[151,294,1670,1694]" pageId="12" pageNumber="61">
(
<figureCitation id="CEBB8389FFECFFA8ADEA3087F10FC6FB" box="[159,287,1670,1694]" captionStart-0="FIGURE 10" captionStart-1="FIGURE 11" captionStart-2="FIGURE 12" captionStart-3="FIGURE 13" captionStartId-0="13.[151,249,1923,1946]" captionStartId-1="14.[151,249,1975,1998]" captionStartId-2="15.[151,249,1978,2001]" captionStartId-3="16.[151,249,1586,1609]" captionTargetBox-0="[220,1328,208,1887]" captionTargetBox-1="[202,1397,222,1948]" captionTargetBox-2="[246,1362,219,1920]" captionTargetBox-3="[222,1383,214,1561]" captionTargetId-0="figure@13.[212,1373,193,1912]" captionTargetId-1="figure@14.[170,1417,193,1970]" captionTargetId-2="figure@15.[206,1388,193,1941]" captionTargetId-3="figure@16.[188,1412,193,1580]" captionTargetPageId-0="13" captionTargetPageId-1="14" captionTargetPageId-2="15" captionTargetPageId-3="16" captionText-0="FIGURE 10. Byrathis arnei Schulz, 2006. Male. A, habitus, lateral view, rostrum, ventral view, marked by arrow; B, habitus, dorsal view; C, antennule, articulating segments 1 9 (ancestral segments I XIII); D, antennule, articulating segments 10 17 (ancestral segments XIV XXI); E, antennule, articulating segments 18 22 (ancestral segments XXII XXVIII). Scale bars 0.1 mm." captionText-1="FIGURE 11. Byrathis arnei Schulz, 2006. Male. A, antenna; B, mandubular palp; C, mandibular gnathobase; D, maxillule; E, maxilla. Scale bars 0.1 mm." captionText-2="FIGURE 12. Byrathis arnei Schulz, 2006. Male. A, maxilliped, basis and endopod; B, maxilliped, syncoxa; C, P 1; D, P 2; E, P 3, coxa, basis, segment 1 of endopod and exopod; F, coxa, basis, segment 1 of endopod and exopod. Scale bars 0.1 mm." captionText-3="FIGURE 13. Byrathis arnei Schulz, 2006. Male. A, P 5; B, left P 5 endo- and exopod, other specimen; C, right P 5 exopod, other specimen. Scale bar 0.1 mm." httpUri-0="https://zenodo.org/record/201071/files/figure.png" httpUri-1="https://zenodo.org/record/201072/files/figure.png" httpUri-2="https://zenodo.org/record/201073/files/figure.png" httpUri-3="https://zenodo.org/record/201074/files/figure.png" pageId="12" pageNumber="61">Figs 1013</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="1E9ACC87FFECFFA8ADE230CCF43AC737" pageId="12" pageNumber="61" type="materials_examined">
<paragraph id="563F9F0CFFECFFA8ADE230CCF43AC737" blockId="12.[151,1436,1741,2018]" pageId="12" pageNumber="61">
<emphasis id="64F4431EFFECFFA8ADE230CCF116C683" bold="true" box="[151,262,1741,1766]" pageId="12" pageNumber="61">Material.</emphasis>
<specimenCount id="40865485FFECFFA8AC7B30CFF17CC683" box="[270,364,1742,1766]" pageId="12" pageNumber="61" type="adult">12 adult</specimenCount>
females, body length
<quantity id="917832E9FFECFFA8AF1E30CFF303C683" box="[619,787,1742,1766]" metricMagnitude="-3" metricUnit="m" metricValue="1.3" metricValueMax="1.35" metricValueMin="1.25" pageId="12" pageNumber="61" unit="mm" value="1.3" valueMax="1.35" valueMin="1.25">1.251.35 mm</quantity>
, and
<specimenCount id="40865485FFECFFA8AE2430CFF3B0C683" box="[849,928,1742,1766]" pageId="12" pageNumber="61" type="adult">9 adult</specimenCount>
males, body length
<quantity id="917832E9FFECFFA8A9FF30CFF53EC683" box="[1162,1326,1742,1766]" metricMagnitude="-3" metricUnit="m" metricValue="1.475" metricValueMax="1.55" metricValueMin="1.4" pageId="12" pageNumber="61" unit="mm" value="1.475" valueMax="1.55" valueMin="1.4">1.401.55 mm</quantity>
collected above the sea bed by the ANDEEPSYSTCO expedition at a depth of
<quantity id="917832E9FFECFFA8AEB730F3F40AC76F" box="[962,1050,1778,1802]" metricMagnitude="3" metricUnit="m" metricValue="2.152" pageId="12" pageNumber="61" unit="m" value="2152.0">2152 m</quantity>
, on 0
<date id="223EB9CCFFECFFA8A92F30F3F519C76F" box="[1114,1289,1778,1803]" pageId="12" pageNumber="61" value="2008-01-04">
4 January
<quantity id="917832E9FFECFFA8A9A430F3F519C76F" box="[1233,1289,1778,1802]" metricMagnitude="1" metricUnit="m" metricValue="5.10032" pageId="12" pageNumber="61" unit="in" value="2008.0">2008</quantity>
</date>
in the South Ocean (
<geoCoordinate id="33B4F9CBFFECFFA8AD9B3117F159C74B" box="[238,329,1814,1838]" direction="south" orientation="latitude" pageId="12" pageNumber="61" precision="925" value="-64.48333">64º29S</geoCoordinate>
<geoCoordinate id="33B4F9CBFFECFFA8AC253117F1BCC74B" box="[336,428,1814,1838]" direction="east" orientation="longitude" pageId="12" pageNumber="61" precision="925" value="2.8833332">02º53E</geoCoordinate>
) and
<specimenCount id="40865485FFECFFA8AC9E3117F256C74B" box="[491,582,1814,1838]" pageId="12" pageNumber="61" type="adult">23 adult</specimenCount>
females, body length
<quantity id="917832E9FFECFFA8AE4B3117F3F3C74B" box="[830,995,1814,1838]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="1.67" metricValueMin="1.33" pageId="12" pageNumber="61" unit="mm" value="1.5" valueMax="1.67" valueMin="1.33">1.331.67 mm</quantity>
, from 3 samples obtained by ANDEEP IIIII expeditions at depths from
<quantity id="917832E9FFECFFA8AF7E313BF2ACC737" box="[523,700,1850,1874]" metricMagnitude="3" metricUnit="m" metricValue="2.528" metricValueMax="3.05" metricValueMin="2.006" pageId="12" pageNumber="61" unit="m" value="2528.0" valueMax="3050.0" valueMin="2006.0">2006 to 3050 m</quantity>
between 5865ºS and 2564ºW.
</paragraph>
</subSubSection>
<subSubSection id="1E9ACC87FFECFFB5ADB0315CF4E2C339" lastPageId="17" lastPageNumber="66" pageId="12" pageNumber="61" type="description">
<paragraph id="563F9F0CFFECFFA8ADB0315CF145C787" blockId="12.[151,1436,1741,2018]" pageId="12" pageNumber="61">
<emphasis id="64F4431EFFECFFA8ADB0315CF146C713" bold="true" box="[197,342,1885,1910]" pageId="12" pageNumber="61">Description.</emphasis>
Male. Prosome 2.302.75 times as long as urosome. Rostrum a plate with 2 filaments (
<figureCitation id="CEBB8389FFECFFA8A852315FF568C713" box="[1319,1400,1886,1910]" captionStart="FIGURE 10" captionStartId="13.[151,249,1923,1946]" captionTargetBox="[220,1328,208,1887]" captionTargetId="figure@13.[212,1373,193,1912]" captionTargetPageId="13" captionText="FIGURE 10. Byrathis arnei Schulz, 2006. Male. A, habitus, lateral view, rostrum, ventral view, marked by arrow; B, habitus, dorsal view; C, antennule, articulating segments 1 9 (ancestral segments I XIII); D, antennule, articulating segments 10 17 (ancestral segments XIV XXI); E, antennule, articulating segments 18 22 (ancestral segments XXII XXVIII). Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201071/files/figure.png" pageId="12" pageNumber="61">Fig. 10</figureCitation>
A). Cephalosome and pedigerous somite 1 fused, pedigerous somites 4 and 5 separate; posterior corners rounded. Urosome of 5 somites, anal segment very short (
<figureCitation id="CEBB8389FFECFFA8AFE431A7F2F3C7DB" box="[657,739,1958,1982]" captionStart="FIGURE 10" captionStartId="13.[151,249,1923,1946]" captionTargetBox="[220,1328,208,1887]" captionTargetId="figure@13.[212,1373,193,1912]" captionTargetPageId="13" captionText="FIGURE 10. Byrathis arnei Schulz, 2006. Male. A, habitus, lateral view, rostrum, ventral view, marked by arrow; B, habitus, dorsal view; C, antennule, articulating segments 1 9 (ancestral segments I XIII); D, antennule, articulating segments 10 17 (ancestral segments XIV XXI); E, antennule, articulating segments 18 22 (ancestral segments XXII XXVIII). Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201071/files/figure.png" pageId="12" pageNumber="61">Fig. 10</figureCitation>
AB). Caudal rami with 4 terminal setae, 1 ventral seta and 1 dorsolateral seta.
</paragraph>
<caption id="02FFCF84FFEDFFA9ADE23182F0D5C793" httpUri="https://zenodo.org/record/201071/files/figure.png" pageId="13" pageNumber="62" targetBox="[220,1328,208,1887]" targetPageId="13">
<paragraph id="563F9F0CFFEDFFA9ADE23182F0D5C793" blockId="13.[151,1436,1923,2038]" pageId="13" pageNumber="62">
<emphasis id="64F4431EFFEDFFA9ADE23182F109C7FC" bold="true" box="[151,281,1923,1946]" pageId="13" pageNumber="62">FIGURE 10</emphasis>
.
<taxonomicName id="9180E48FFFEDFFA9AC523185F255C7FF" authority="Schulz, 2006" authorityName="Schulz" authorityYear="2006" box="[295,581,1924,1946]" class="Maxillopoda" family="Scolecitrichidae" genus="Byrathis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Calanoida" pageId="13" pageNumber="62" phylum="Arthropoda" rank="species" species="arnei">
<emphasis id="64F4431EFFEDFFA9AC523185F1A8C7FF" box="[295,440,1924,1946]" italics="true" pageId="13" pageNumber="62">Byrathis arnei</emphasis>
Schulz, 2006
</taxonomicName>
. Male. A, habitus, lateral view, rostrum, ventral view, marked by arrow; B, habitus, dorsal view; C, antennule, articulating segments 19 (ancestral segments IXIII); D, antennule, articulating segments 1017 (ancestral segments XIVXXI); E, antennule, articulating segments 1822 (ancestral segments XXIIXXVIII). Scale bars 0.1 mm.
</paragraph>
</caption>
<caption id="02FFCF84FFEEFFAAADE231B6F1A2C789" httpUri="https://zenodo.org/record/201072/files/figure.png" pageId="14" pageNumber="63" targetBox="[202,1397,222,1948]" targetPageId="14">
<paragraph id="563F9F0CFFEEFFAAADE231B6F1A2C789" blockId="14.[151,1436,1975,2028]" pageId="14" pageNumber="63">
<emphasis id="64F4431EFFEEFFAAADE231B6F106C7A9" bold="true" box="[151,278,1975,1998]" pageId="14" pageNumber="63">FIGURE 11</emphasis>
.
<taxonomicName id="9180E48FFFEEFFAAAC5131B6F22FC7A8" authority="Schulz, 2006" authorityName="Schulz" authorityYear="2006" box="[292,575,1975,1997]" class="Maxillopoda" family="Scolecitrichidae" genus="Byrathis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Calanoida" pageId="14" pageNumber="63" phylum="Arthropoda" rank="species" species="arnei">
<emphasis id="64F4431EFFEEFFAAAC5131B6F1A5C7A8" box="[292,437,1975,1997]" italics="true" pageId="14" pageNumber="63">Byrathis arnei</emphasis>
Schulz, 2006
</taxonomicName>
. Male. A, antenna; B, mandubular palp; C, mandibular gnathobase; D, maxillule; E, maxilla. Scale bars 0.1 mm.
</paragraph>
</caption>
<caption id="02FFCF84FFEFFFABADE231BBF572C795" httpUri="https://zenodo.org/record/201073/files/figure.png" pageId="15" pageNumber="64" targetBox="[246,1362,219,1920]" targetPageId="15">
<paragraph id="563F9F0CFFEFFFABADE231BBF572C795" blockId="15.[151,1436,1978,2032]" pageId="15" pageNumber="64">
<emphasis id="64F4431EFFEFFFABADE231BBF10AC7B5" bold="true" box="[151,282,1978,2001]" pageId="15" pageNumber="64">FIGURE 12</emphasis>
.
<taxonomicName id="9180E48FFFEFFFABAC5231BAF256C7B4" authority="Schulz, 2006" authorityName="Schulz" authorityYear="2006" box="[295,582,1979,2001]" class="Maxillopoda" family="Scolecitrichidae" genus="Byrathis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Calanoida" pageId="15" pageNumber="64" phylum="Arthropoda" rank="species" species="arnei">
<emphasis id="64F4431EFFEFFFABAC5231BAF1AAC7B4" box="[295,442,1979,2001]" italics="true" pageId="15" pageNumber="64">Byrathis arnei</emphasis>
Schulz, 2006
</taxonomicName>
. Male. A, maxilliped, basis and endopod; B, maxilliped, syncoxa; C, P1; D, P2; E, P3, coxa, basis, segment 1 of endopod and exopod; F, coxa, basis, segment 1 of endopod and exopod. Scale bars 0.1 mm.
</paragraph>
</caption>
<caption id="02FFCF84FFF0FFB4ADE23033F1ABC602" httpUri="https://zenodo.org/record/201074/files/figure.png" pageId="16" pageNumber="65" targetBox="[222,1383,214,1561]" targetPageId="16">
<paragraph id="563F9F0CFFF0FFB4ADE23033F1ABC602" blockId="16.[151,1436,1586,1639]" pageId="16" pageNumber="65">
<emphasis id="64F4431EFFF0FFB4ADE23033F108C62D" bold="true" box="[151,280,1586,1609]" pageId="16" pageNumber="65">FIGURE 13</emphasis>
.
<taxonomicName id="9180E48FFFF0FFB4AC513033F22FC62D" authority="Schulz, 2006" authorityName="Schulz" authorityYear="2006" box="[292,575,1586,1608]" class="Maxillopoda" family="Scolecitrichidae" genus="Byrathis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Calanoida" pageId="16" pageNumber="65" phylum="Arthropoda" rank="species" species="arnei">
<emphasis id="64F4431EFFF0FFB4AC513033F1A5C62D" box="[292,437,1586,1608]" italics="true" pageId="16" pageNumber="65">Byrathis arnei</emphasis>
Schulz, 2006
</taxonomicName>
. Male. A, P5; B, left P5 endo- and exopod, other specimen; C, right P5 exopod, other specimen. Scale bar 0.1 mm.
</paragraph>
</caption>
<paragraph id="563F9F0CFFF0FFB4ADB03095F172C759" blockId="16.[151,1436,1684,2033]" pageId="16" pageNumber="65">
Antennule (
<figureCitation id="CEBB8389FFF0FFB4AC3D3095F187C6C9" box="[328,407,1684,1708]" captionStart="FIGURE 10" captionStartId="13.[151,249,1923,1946]" captionTargetBox="[220,1328,208,1887]" captionTargetId="figure@13.[212,1373,193,1912]" captionTargetPageId="13" captionText="FIGURE 10. Byrathis arnei Schulz, 2006. Male. A, habitus, lateral view, rostrum, ventral view, marked by arrow; B, habitus, dorsal view; C, antennule, articulating segments 1 9 (ancestral segments I XIII); D, antennule, articulating segments 10 17 (ancestral segments XIV XXI); E, antennule, articulating segments 18 22 (ancestral segments XXII XXVIII). Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201071/files/figure.png" pageId="16" pageNumber="65">Fig. 10</figureCitation>
CE) extending to anterior, or posterior edge of urosome somite 2. Right and left antennules of 22 articulating segments, symmetrical; armature as follows:
<date id="223EB9CCFFF0FFB4AE1230B6F39DC6AA" box="[871,909,1719,1743]" bridgedPair="-" pageId="16" pageNumber="65">I1</date>
s + 1ae, II
<date id="223EB9CCFFF0FFB4A96430B6F45BC6AA" box="[1041,1099,1719,1743]" bridgedPair="-" pageId="16" pageNumber="65">IV6</date>
s + 4ae,
<date id="223EB9CCFFF0FFB4A9D930B6F4CEC6AA" box="[1196,1246,1719,1743]" bridgedPair="-" pageId="16" pageNumber="65">V2</date>
s + 2ae,
<date id="223EB9CCFFF0FFB4A84A30B6F56BC6AA" box="[1343,1403,1719,1743]" bridgedPair="-" pageId="16" pageNumber="65">VI2</date>
s + 1ae,
<date id="223EB9CCFFF0FFB4ADB830DDF102C691" box="[205,274,1756,1780]" bridgedPair="-" pageId="16" pageNumber="65">VII2</date>
s + 2ae,
<date id="223EB9CCFFF0FFB4AC0630DDF1D1C691" box="[371,449,1756,1780]" bridgedPair="-" pageId="16" pageNumber="65">VIII1</date>
s + 1ae + 1?,
<date id="223EB9CCFFF0FFB4AF2830DDF289C691" box="[605,665,1756,1780]" bridgedPair="-" pageId="16" pageNumber="65">IX2</date>
s + 2ae, X
<date id="223EB9CCFFF0FFB4AE6830DDF371C691" box="[797,865,1756,1780]" bridgedPair="-" pageId="16" pageNumber="65">XII3</date>
s + 1? + 2ae, XIII1s, XIV2s, XV1s, XVI1s + 1ae, XVII1s, XVIII1s, XIX1s, XX1s, XXI1s, XXIIXXIII1s, XXIV2s, XXV2s, XXVI2s, XXVII XXVIII4s + 1ae.
</paragraph>
<paragraph id="563F9F0CFFF0FFB4ADB23149F43EC7E1" blockId="16.[151,1436,1684,2033]" pageId="16" pageNumber="65">
Antenna (
<figureCitation id="CEBB8389FFF0FFB4AC403146F194C73A" box="[309,388,1863,1887]" captionStart="FIGURE 11" captionStartId="14.[151,249,1975,1998]" captionTargetBox="[202,1397,222,1948]" captionTargetId="figure@14.[170,1417,193,1970]" captionTargetPageId="14" captionText="FIGURE 11. Byrathis arnei Schulz, 2006. Male. A, antenna; B, mandubular palp; C, mandibular gnathobase; D, maxillule; E, maxilla. Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201072/files/figure.png" pageId="16" pageNumber="65">Fig. 11</figureCitation>
A), coxa with 1 seta, basis with 2 setae, 1 very small; exopod 8-segmented with 1, 1-1-1, 1, 1, 1, 1, 1, and 3 setae; first endopodal segment without seta, second with 6 + 7 setae.
</paragraph>
<paragraph id="563F9F0CFFF0FFB4ADB0318EF348C795" blockId="16.[151,1436,1684,2033]" pageId="16" pageNumber="65">
Mandible (
<figureCitation id="CEBB8389FFF0FFB4AC4A318EF19CC7C2" box="[319,396,1935,1959]" captionStart="FIGURE 11" captionStartId="14.[151,249,1975,1998]" captionTargetBox="[202,1397,222,1948]" captionTargetId="figure@14.[170,1417,193,1970]" captionTargetPageId="14" captionText="FIGURE 11. Byrathis arnei Schulz, 2006. Male. A, antenna; B, mandubular palp; C, mandibular gnathobase; D, maxillule; E, maxilla. Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201072/files/figure.png" pageId="16" pageNumber="65">Fig. 11</figureCitation>
BC), gnathobase with low crest and 7 teeth on cutting edge plus dorsal seta, lateral tooth situated apart from the remaining teeth; basis with 2 rudimentary setae; exopod 5-segmented with 1, 1, 1, 1, and 2 setae; endopod segment 1 with 2 setae, segment 2 with 9 setae.
</paragraph>
<paragraph id="563F9F0CFFF1FFB5ADB03696F57BC0B1" blockId="17.[151,1437,151,1328]" pageId="17" pageNumber="66">
Maxillule (
<figureCitation id="CEBB8389FFF1FFB5AC343696F180C0CA" box="[321,400,151,175]" captionStart="FIGURE 11" captionStartId="14.[151,249,1975,1998]" captionTargetBox="[202,1397,222,1948]" captionTargetId="figure@14.[170,1417,193,1970]" captionTargetPageId="14" captionText="FIGURE 11. Byrathis arnei Schulz, 2006. Male. A, antenna; B, mandubular palp; C, mandibular gnathobase; D, maxillule; E, maxilla. Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201072/files/figure.png" pageId="17" pageNumber="66">Fig. 11</figureCitation>
D), praecoxal arthrite with 9 terminal; coxal endite with 2 setae; proximal basal endite with 2 setae, distal basal endite with 2 setae; endopod with 7 setae; exopod with 5 setae; coxal epipodite with 4 setae.
</paragraph>
<paragraph id="563F9F0CFFF1FFB5ADB036DEF3F0C1E2" blockId="17.[151,1437,151,1328]" pageId="17" pageNumber="66">
Maxilla (
<figureCitation id="CEBB8389FFF1FFB5AC5936DEF16DC092" box="[300,381,223,247]" captionStart="FIGURE 11" captionStartId="14.[151,249,1975,1998]" captionTargetBox="[202,1397,222,1948]" captionTargetId="figure@14.[170,1417,193,1970]" captionTargetPageId="14" captionText="FIGURE 11. Byrathis arnei Schulz, 2006. Male. A, antenna; B, mandubular palp; C, mandibular gnathobase; D, maxillule; E, maxilla. Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201072/files/figure.png" pageId="17" pageNumber="66">Fig. 11</figureCitation>
E), praecoxal endite (previously considered as proximal praecoxal endite) with 4 setae; coxal endite (previously considered as distal praecoxal endite) with 3 setae; proximal basal endite (previously considered as proximal coxal endite) with 2 setae; distal basal endite (previously considered as distal coxal endite) with 3 setae; enditic-like lobe of proximal endopodal segment (previously considered as proximal basal endite) with 4 setae, 2 sensory; endopod with 5 worm-like and 3 brush-like sensory setae.
</paragraph>
<paragraph id="563F9F0CFFF1FFB5ADB03795F1CFC191" blockId="17.[151,1437,151,1328]" pageId="17" pageNumber="66">
Maxilliped (
<figureCitation id="CEBB8389FFF1FFB5AC3A3795F18FC1C9" box="[335,415,404,428]" captionStart="FIGURE 12" captionStartId="15.[151,249,1978,2001]" captionTargetBox="[246,1362,219,1920]" captionTargetId="figure@15.[206,1388,193,1941]" captionTargetPageId="15" captionText="FIGURE 12. Byrathis arnei Schulz, 2006. Male. A, maxilliped, basis and endopod; B, maxilliped, syncoxa; C, P 1; D, P 2; E, P 3, coxa, basis, segment 1 of endopod and exopod; F, coxa, basis, segment 1 of endopod and exopod. Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201073/files/figure.png" pageId="17" pageNumber="66">Fig. 12</figureCitation>
AB), syncoxa with 1 seta on proximal praecoxal endite, 1 seta on middle praecoxal endite, and 1 brush-like seta on distal praecoxal lobe; coxal lobe with 2 setae. Basis with 3 setae. Endopod 6-segmented with 2, 4, 4, 3, 3, and 4 setae.
</paragraph>
<paragraph id="563F9F0CFFF1FFB5ADB037FEF39FC28A" blockId="17.[151,1437,151,1328]" pageId="17" pageNumber="66">
Swimming legs. P1 (
<figureCitation id="CEBB8389FFF1FFB5ACDB37FEF210C272" box="[430,512,511,535]" captionStart="FIGURE 12" captionStartId="15.[151,249,1978,2001]" captionTargetBox="[246,1362,219,1920]" captionTargetId="figure@15.[206,1388,193,1941]" captionTargetPageId="15" captionText="FIGURE 12. Byrathis arnei Schulz, 2006. Male. A, maxilliped, basis and endopod; B, maxilliped, syncoxa; C, P 1; D, P 2; E, P 3, coxa, basis, segment 1 of endopod and exopod; F, coxa, basis, segment 1 of endopod and exopod. Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201073/files/figure.png" pageId="17" pageNumber="66">Fig. 12</figureCitation>
C), coxa with anterior row of small spinules along distal margin; basis with medial distal seta slightly curved with setules; endopod 1-segmented with lateral lobe lacking spinules; exopod segments 1 to 3 with 1 lateral spine each, spine of segment 1 nearly reaching base of following spine; spine of exopod segment 2 reaching midlength of exopod segment 3. P2 (
<figureCitation id="CEBB8389FFF1FFB5AFB6346DF306C2E1" box="[707,790,620,644]" captionStart="FIGURE 12" captionStartId="15.[151,249,1978,2001]" captionTargetBox="[246,1362,219,1920]" captionTargetId="figure@15.[206,1388,193,1941]" captionTargetPageId="15" captionText="FIGURE 12. Byrathis arnei Schulz, 2006. Male. A, maxilliped, basis and endopod; B, maxilliped, syncoxa; C, P 1; D, P 2; E, P 3, coxa, basis, segment 1 of endopod and exopod; F, coxa, basis, segment 1 of endopod and exopod. Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201073/files/figure.png" pageId="17" pageNumber="66">Fig. 12</figureCitation>
D), coxa with 1 seta; basis without seta; endopod 2-segmented; exopod 3-segmented; exopod segment 2 with 3 small surface denticles along distomedial edge. Endopods and exopods
<quantity id="917832E9FFF1FFB5AC4134B5F16FC2A9" box="[308,383,692,716]" metricMagnitude="-2" metricUnit="m" metricValue="6.35" metricValueMax="7.62" metricValueMin="5.08" pageId="17" pageNumber="66" unit="in" value="2.5" valueMax="3.0" valueMin="2.0">23 in</quantity>
P3P4 of all male specimens broken, coxa of P3P4 (
<figureCitation id="CEBB8389FFF1FFB5A97834B5F472C2A9" box="[1037,1122,692,716]" captionStart="FIGURE 12" captionStartId="15.[151,249,1978,2001]" captionTargetBox="[246,1362,219,1920]" captionTargetId="figure@15.[206,1388,193,1941]" captionTargetPageId="15" captionText="FIGURE 12. Byrathis arnei Schulz, 2006. Male. A, maxilliped, basis and endopod; B, maxilliped, syncoxa; C, P 1; D, P 2; E, P 3, coxa, basis, segment 1 of endopod and exopod; F, coxa, basis, segment 1 of endopod and exopod. Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201073/files/figure.png" pageId="17" pageNumber="66">Fig. 12</figureCitation>
EF) with small proximal spinules laterally, basis and segment of 1exopod and endopod nude.
</paragraph>
<paragraph id="563F9F0CFFF1FFB5ADB034FDF4E2C339" blockId="17.[151,1437,151,1328]" pageId="17" pageNumber="66">
P5 (
<figureCitation id="CEBB8389FFF1FFB5AD8634FDF155C371" box="[243,325,764,788]" captionStart="FIGURE 10" captionStartId="13.[151,249,1923,1946]" captionTargetBox="[220,1328,208,1887]" captionTargetId="figure@13.[212,1373,193,1912]" captionTargetPageId="13" captionText="FIGURE 10. Byrathis arnei Schulz, 2006. Male. A, habitus, lateral view, rostrum, ventral view, marked by arrow; B, habitus, dorsal view; C, antennule, articulating segments 1 9 (ancestral segments I XIII); D, antennule, articulating segments 10 17 (ancestral segments XIV XXI); E, antennule, articulating segments 18 22 (ancestral segments XXII XXVIII). Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201071/files/figure.png" pageId="17" pageNumber="66">Fig. 10</figureCitation>
A, 13AC) nearly half as long as the urosome, legs of about equal lengths; in left coxa and basis only slightly longer than right. Right leg uniramous, exopod 3-segmented; left leg biramous, exopod 3-segmented, distal segment with subdivided chitinous lamella; endopod 1-segmented, much longer than exopod.
</paragraph>
</subSubSection>
<subSubSection id="1E9ACC87FFF1FFB5ADB03569F2BDC555" pageId="17" pageNumber="66" type="discussion">
<paragraph id="563F9F0CFFF1FFB5ADB03569F2BDC555" blockId="17.[151,1437,151,1328]" pageId="17" pageNumber="66">
<emphasis id="64F4431EFFF1FFB5ADB03569F129C3E5" bold="true" box="[197,313,872,896]" pageId="17" pageNumber="66">Remarks.</emphasis>
<taxonomicName id="9180E48FFFF1FFB5AC333568F1B7C3E5" box="[326,423,873,896]" class="Maxillopoda" family="Scolecitrichidae" genus="Byrathis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Calanoida" pageId="17" pageNumber="66" phylum="Arthropoda" rank="species" species="arnei">
<emphasis id="64F4431EFFF1FFB5AC333568F1B7C3E5" box="[326,423,873,896]" italics="true" pageId="17" pageNumber="66">B. arnei</emphasis>
</taxonomicName>
was described after females from the near-bottom of the high
<collectingCountry id="2E97DF9CFFF1FFB5A9DB3566F506C31A" box="[1198,1302,871,895]" name="Antarctica" pageId="17" pageNumber="66">Antarctic</collectingCountry>
(
<geoCoordinate id="33B4F9CBFFF1FFB5A8593566F58CC31A" box="[1324,1436,871,895]" direction="south" orientation="latitude" pageId="17" pageNumber="66" precision="92" value="-74.60333">74º36.2S</geoCoordinate>
<geoCoordinate id="33B4F9CBFFF1FFB5ADE2358DF116C3C1" box="[151,262,908,932]" direction="south" orientation="latitude" pageId="17" pageNumber="66" precision="92" value="-27.263334">27º15.8S</geoCoordinate>
) by Schulz (2006) and in the present study is recorded more northerly (
<figureCitation id="CEBB8389FFF1FFB5A957358DF476C3C1" box="[1058,1126,908,932]" captionStart="FIGURE 9" captionStartId="12.[151,249,1440,1463]" captionTargetBox="[196,1396,368,1418]" captionTargetId="figure@12.[188,1398,347,1419]" captionTargetPageId="12" captionText="FIGURE 9. Distribution of species of Byrathis in the World Ocean: black rhomboid B. macrocephalon (Grice &amp; Hulsemann, 1970); circle outlined, B. penicillatus sp. nov.; black square, B. laurenae Markhaseva &amp; Ferrari, 2005; big triangle outlined, B. arnei Schulz, 2006; black small triangle, B. divae sp. nov.; rhomboid outlined, B. laptevorum (Markhaseva, 1998); rhomboid outlined with crest, B. volcani Markhaseva &amp; Ferrari, 2005." httpUri="https://zenodo.org/record/201070/files/figure.png" pageId="17" pageNumber="66">Fig. 9</figureCitation>
). The species was collected by ANDEEP IIIII and ANDEEPSYSTCO expeditions (2002, 2005,
<date id="223EB9CCFFF1FFB5AEB535AEF42FC3A2" box="[960,1087,943,967]" pageId="17" pageNumber="66" value="2007" valueMax="2008">20072008</date>
) between 58º65ºS and 02ºE 51ºW at depths from
<quantity id="917832E9FFF1FFB5ACE235D5F247C389" box="[407,599,980,1004]" metricMagnitude="3" metricUnit="m" metricValue="2.5205" metricValueMax="3.05" metricValueMin="1.991" pageId="17" pageNumber="66" unit="m" value="2520.5" valueMax="3050.0" valueMin="1991.0">1991 to 3050 m</quantity>
. One sample from ANDEEPSYSTCO contained
<taxonomicName id="9180E48FFFF1FFB5A9D235D5F516C389" box="[1191,1286,980,1004]" class="Maxillopoda" family="Scolecitrichidae" genus="Byrathis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Calanoida" pageId="17" pageNumber="66" phylum="Arthropoda" rank="genus">
<emphasis id="64F4431EFFF1FFB5A9D235D5F516C389" box="[1191,1286,980,1004]" italics="true" pageId="17" pageNumber="66">Byrathis</emphasis>
</taxonomicName>
females and males. We attribute them to
<taxonomicName id="9180E48FFFF1FFB5ACAE35F8F226C475" box="[475,566,1017,1040]" class="Maxillopoda" family="Scolecitrichidae" genus="Byrathis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Calanoida" pageId="17" pageNumber="66" phylum="Arthropoda" rank="species" species="arnei">
<emphasis id="64F4431EFFF1FFB5ACAE35F8F226C475" box="[475,566,1017,1040]" italics="true" pageId="17" pageNumber="66">B. arnei</emphasis>
</taxonomicName>
, although they differ somewhat from females defined as
<taxonomicName id="9180E48FFFF1FFB5A9B335F8F532C475" box="[1222,1314,1017,1040]" class="Maxillopoda" family="Scolecitrichidae" genus="Byrathis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Calanoida" pageId="17" pageNumber="66" phylum="Arthropoda" rank="species" species="arnei">
<emphasis id="64F4431EFFF1FFB5A9B335F8F532C475" box="[1222,1314,1017,1040]" italics="true" pageId="17" pageNumber="66">B. arnei</emphasis>
</taxonomicName>
by Schulz (2006) and specimens studied by us. Females from the ANDEEPSYSTCO sample differ in: i) smaller size (
<quantity id="917832E9FFF1FFB5A82E321DF0EBC43D" metricMagnitude="-3" metricUnit="m" metricValue="1.3" metricValueMax="1.35" metricValueMin="1.25" pageId="17" pageNumber="66" unit="mm" value="1.3" valueMax="1.35" valueMin="1.25">1.25 1.35 mm</quantity>
<emphasis id="64F4431EFFF1FFB5AC773240F130C43D" box="[258,288,1089,1112]" italics="true" pageId="17" pageNumber="66">vs.</emphasis>
<quantity id="917832E9FFF1FFB5AC5D3241F1DBC43D" box="[296,459,1088,1112]" metricMagnitude="-3" metricUnit="m" metricValue="1.39" metricValueMax="1.4" metricValueMin="1.38" pageId="17" pageNumber="66" unit="mm" value="1.39" valueMax="1.4" valueMin="1.38">1.381.40 mm</quantity>
in
<typeStatus id="893B21AEFFF1FFB5AC9A3240F20FC43C" box="[495,543,1089,1113]" pageId="17" pageNumber="66">type</typeStatus>
specimens); ii) maxillule coxal epipodite with 8 setae (
<emphasis id="64F4431EFFF1FFB5A9E53240F4BEC43D" box="[1168,1198,1089,1112]" italics="true" pageId="17" pageNumber="66">vs.</emphasis>
9 setae in specimens from the
<typeStatus id="893B21AEFFF1FFB5AD893264F13CC418" box="[252,300,1125,1149]" pageId="17" pageNumber="66">type</typeStatus>
series); iii) maxilla praecoxal endite with 4 setae (
<emphasis id="64F4431EFFF1FFB5AE2A3264F36EC419" box="[863,894,1125,1148]" italics="true" pageId="17" pageNumber="66">vs.</emphasis>
5 setae in
<typeStatus id="893B21AEFFF1FFB5AE813264F434C418" box="[1012,1060,1125,1149]" pageId="17" pageNumber="66">type</typeStatus>
specimens), and iv) distal seta on middle praecoxal endite of maxilliped syncoxa is slightly longer than figured for
<typeStatus id="893B21AEFFF1FFB5A93B3288F46EC4C4" box="[1102,1150,1161,1185]" pageId="17" pageNumber="66">type</typeStatus>
specimen (Schulz 2006,
<figureCitation id="CEBB8389FFF1FFB5ADE232ADF0F0C4A1" box="[151,224,1196,1220]" captionStart="FIGURE 10" captionStartId="13.[151,249,1923,1946]" captionTargetBox="[220,1328,208,1887]" captionTargetId="figure@13.[212,1373,193,1912]" captionTargetPageId="13" captionText="FIGURE 10. Byrathis arnei Schulz, 2006. Male. A, habitus, lateral view, rostrum, ventral view, marked by arrow; B, habitus, dorsal view; C, antennule, articulating segments 1 9 (ancestral segments I XIII); D, antennule, articulating segments 10 17 (ancestral segments XIV XXI); E, antennule, articulating segments 18 22 (ancestral segments XXII XXVIII). Scale bars 0.1 mm." httpUri="https://zenodo.org/record/201071/files/figure.png" pageId="17" pageNumber="66">Fig.10</figureCitation>
A). However, we would prefer to postpone the discussion on the taxonomic status of the specimens from the ANDEEPSYSTCO, until more specimens of
<taxonomicName id="9180E48FFFF1FFB5AFEA32D0F2E8C48D" box="[671,760,1233,1256]" class="Maxillopoda" family="Scolecitrichidae" genus="Byrathis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Calanoida" pageId="17" pageNumber="66" phylum="Arthropoda" rank="species" species="arnei">
<emphasis id="64F4431EFFF1FFB5AFEA32D0F2E8C48D" box="[671,760,1233,1256]" italics="true" pageId="17" pageNumber="66">B. arnei</emphasis>
</taxonomicName>
can be obtained. Additional collections from different localities are necessary to discuss whether the variability observed is interspecific, or whether a new species should be established for ANDEEPSYSTCO specimens.
</paragraph>
</subSubSection>
</treatment>
</document>