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<mods:title id="23E867EB237D2696A9A36494F1E045C9">Epimeria of the Southern Ocean with notes on their relatives (Crustacea, Amphipoda, Eusiroidea)</mods:title>
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<mods:namePart id="0D0642840D14E94CDC73BEAB694C6622">d’Acoz, Cédric d’Udekem</mods:namePart>
<mods:affiliation id="6CC1F63985537F0B829632F66F9EE2B5">Royal Belgian Institute of Natural Sciences, Service Heritage, Rue Vautier 29, B- 1000 Brussels, Belgium. &amp; Corresponding author: cdudekem @ naturalsciences. be</mods:affiliation>
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<mods:affiliation id="69991A44551F5EA834D7F752AD544A36">Royal Belgian Institute of Natural Sciences, Operational direction Taxonomy and Phylogeny, Rue Vautier 29, B- 1000 Brussels, Belgium. &amp; Email: mverheye @ naturalsciences. be</mods:affiliation>
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<figureCitation id="5AC82A08FF2E68D7FD3EFC6DCC7DFC29" box="[713,874,901,928]" captionStart-0="Fig" captionStart-1="Fig" captionStart-10="Fig" captionStart-11="Fig" captionStart-2="Fig" captionStart-3="Fig" captionStart-4="Fig" captionStart-5="Fig" captionStart-6="Fig" captionStart-7="Fig" captionStart-8="Fig" captionStart-9="Fig" captionStartId-0="533.[189,232,1911,1937]" captionStartId-1="534.[189,232,1921,1947]" captionStartId-10="543.[189,232,1921,1947]" captionStartId-11="544.[189,232,1923,1949]" captionStartId-2="535.[189,232,1921,1947]" captionStartId-3="536.[189,232,1921,1947]" captionStartId-4="537.[189,232,1921,1947]" captionStartId-5="538.[189,232,1921,1947]" captionStartId-6="539.[189,232,1875,1901]" captionStartId-7="540.[189,232,1921,1947]" captionStartId-8="541.[189,232,1919,1945]" captionStartId-9="542.[189,232,1907,1933]" captionTargetBox-0="[189,1398,265,1870]" captionTargetBox-1="[189,1400,265,1880]" captionTargetBox-10="[187,1398,265,1880]" captionTargetBox-11="[187,1398,265,1880]" captionTargetBox-2="[188,1399,265,1880]" captionTargetBox-3="[189,1400,265,1880]" captionTargetBox-4="[189,1400,266,1881]" captionTargetBox-5="[189,1400,265,1880]" captionTargetBox-6="[189,1398,265,1835]" captionTargetBox-7="[187,1398,265,1880]" captionTargetBox-8="[189,1400,265,1880]" captionTargetBox-9="[189,1398,265,1868]" captionTargetId-0="figure@533.[189,1398,265,1873]" captionTargetId-1="figure@534.[189,1400,265,1880]" captionTargetId-10="figure@543.[187,1398,265,1880]" captionTargetId-11="figure@544.[187,1398,265,1880]" captionTargetId-2="figure@535.[188,1399,265,1880]" captionTargetId-3="figure@536.[189,1400,265,1880]" captionTargetId-4="figure@537.[189,1400,266,1881]" captionTargetId-5="figure@538.[189,1400,265,1880]" captionTargetId-6="figure@539.[189,1398,265,1835]" captionTargetId-7="figure@540.[187,1398,265,1880]" captionTargetId-8="figure@541.[189,1400,265,1880]" captionTargetId-9="figure@542.[189,1398,265,1870]" captionTargetPageId-0="533" captionTargetPageId-1="534" captionTargetPageId-10="543" captionTargetPageId-11="544" captionTargetPageId-2="535" captionTargetPageId-3="536" captionTargetPageId-4="537" captionTargetPageId-5="538" captionTargetPageId-6="539" captionTargetPageId-7="540" captionTargetPageId-8="541" captionTargetPageId-9="542" captionText-0="Fig. 324. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait,ANT-XXIX/3, stn 227-2, Bransfield Strait, RBINS, INV. 122887. A. Lateral habitus. B. Dorsal habitus. C. Lateral habitus (colour in life)." captionText-1="Fig. 325. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Head and pereion. B. Head and peduncle of antennae (lateral view)." captionText-10="Fig. 334. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Pereiopod 3. B. Pereiopod 4. C. Carpus, propodus and dactylus of pereiopod 4 (note the little teeth on the posterior border of the dactylus)." captionText-11="Fig. 335. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Pereiopod 5. B. Pereiopod 6. C. Pereiopod 7." captionText-2="Fig. 326. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Pleonite 3 and urosome in lateral view. B. Telson in dorsal view." captionText-3="Fig. 327. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Head in lateral view. B. Anterior part of head showing the mandibular palp in lateral view." captionText-4="Fig. 328. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Facial habitus. B. Rostrum and peduncles of antennae 1 in frontal view." captionText-5="Fig. 329. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Mandible and lips in situ (frontal view). B. Mandible and lips in situ (ventral view)." captionText-6="Fig. 330. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Right mandible. B. Left mandible." captionText-7="Fig. 331. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Upper lip. B. Lower lip. C. Maxilla 1. D. Maxilla 2." captionText-8="Fig. 332. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Maxilliped (oral side). B. Maxiliped (facial side)." captionText-9="Fig. 333. Alexandrella chione sp. nov., ♀, holotype, Bransfield Strait, ANT-XXIX/3, stn 227-2, RBINS, INV. 122887. A. Gnathopod 1. B. Gnathopod 1 (enlarged). C. Gnathopod 2." figureDoi-0="http://doi.org/10.5281/zenodo.3856341" figureDoi-1="http://doi.org/10.5281/zenodo.3856343" figureDoi-10="http://doi.org/10.5281/zenodo.3856361" figureDoi-11="http://doi.org/10.5281/zenodo.3856363" figureDoi-2="http://doi.org/10.5281/zenodo.3856345" figureDoi-3="http://doi.org/10.5281/zenodo.3856347" figureDoi-4="http://doi.org/10.5281/zenodo.3856349" figureDoi-5="http://doi.org/10.5281/zenodo.3856351" figureDoi-6="http://doi.org/10.5281/zenodo.3856353" figureDoi-7="http://doi.org/10.5281/zenodo.3856355" figureDoi-8="http://doi.org/10.5281/zenodo.3856357" figureDoi-9="http://doi.org/10.5281/zenodo.3856359" httpUri-0="https://zenodo.org/record/3856341/files/figure.png" httpUri-1="https://zenodo.org/record/3856343/files/figure.png" httpUri-10="https://zenodo.org/record/3856361/files/figure.png" httpUri-11="https://zenodo.org/record/3856363/files/figure.png" httpUri-2="https://zenodo.org/record/3856345/files/figure.png" httpUri-3="https://zenodo.org/record/3856347/files/figure.png" httpUri-4="https://zenodo.org/record/3856349/files/figure.png" httpUri-5="https://zenodo.org/record/3856351/files/figure.png" httpUri-6="https://zenodo.org/record/3856353/files/figure.png" httpUri-7="https://zenodo.org/record/3856355/files/figure.png" httpUri-8="https://zenodo.org/record/3856357/files/figure.png" httpUri-9="https://zenodo.org/record/3856359/files/figure.png" pageId="168" pageNumber="169">Figs 324–335</figureCitation>
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<emphasis id="F087EA9FFF2E68D7FF4AFC20CED5FC6B" box="[189,450,968,994]" italics="true" pageId="168" pageNumber="169">Alexandrella australis</emphasis>
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–? 
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<bibRefCitation id="A6624B7CFF2E68D7FE03FC20CC39FC6B" author="Holman &amp; Watling" box="[500,814,968,994]" firstAuthor="Holman" pageId="168" pageNumber="169" pagination="29 - 53" refId="ref139761" refString="Holman H. &amp; Watling L. 1983. A revision of the Stilipedidae (Amphipoda). Crustaceana 44 (1): 29 - 53. https: // doi. org / 10.1163 / 156854083 x 00037" type="journal article" year="1983">Holman &amp; Watling, 1983a</bibRefCitation>
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: 33, in part [specimen from RV 
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only], not
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figs 1–3. —? 
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<bibRefCitation id="A6624B7CFF2E68D7FE67FC05CD44FB8E" author="Klages" box="[400,595,1005,1031]" firstAuthor="Klages" pageId="168" pageNumber="169" refId="ref140866" refString="Klages M. 1988. Zur Zoogeographie und bathymetrischen Verteilung antarktischer Gammariden (Crustacea; Amphipoda) eines ausgewahlten Gebiets des sudostlichen Weddellmeeres. MSc thesis, Fachbereich Biologie / Chemie der Universitat Bremen im Studiengang Biologie, Bremen." type="book" year="1988">Klages 1988: 82</bibRefCitation>
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, fig. 20c. —? 
<bibRefCitation id="A6624B7CFF2E68D7FD09FC06CB85FB8E" author="Berge &amp; Vader" box="[766,1170,1005,1032]" firstAuthor="Berge" pageId="168" pageNumber="169" pagination="1327 - 1346" refId="ref132533" refString="Berge J. &amp; Vader W. 2005 a. The amphipod genus Alexandrella (Amphipoda, Stilipedidae): taxonomic status, allometric growth and description of two new species. Journal of Natural History 39 (17): 1327 - 1346. https: // doi. org / 10.1080 / 00222930400015566" type="journal article" year="2005" yearSuffix="a">
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Berge &amp; Vader 2005a: 
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–1332
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, fig. 1. 
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sp. – 
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<bibRefCitation id="A6624B7CFF2E68D7FE6EFBFACC7EFBA5" author="d'Udekem d'Acoz &amp; Verheye" box="[409,873,1042,1069]" firstAuthor="d'Udekem d'Acoz" pageId="168" pageNumber="169" pagination="57 - 67" refId="ref137246" refString="d'Udekem d'Acoz C. &amp; Verheye M. 2013. Taxocoenoses of amphipod crustaceans. In: Gutt J. (ed.) The Expedition of the Research Vessel &quot; Polarstern &quot; to the Antarctic in 2013 (ANT-XXIX / 3). Berichte zur Polar- und Meeresforschung 665: 57 - 67. hdl: 10013 / epic. 41835. Available from https: // epic. awi. de / 33372 / 8 / BzPM _ 0665 _ 2013 _ ANT _ XXIX _ 3. pdf [accessed 27 Sep. 2016]." type="journal article" year="2013">d’Udekem d’Acoz &amp; Verheye 2013: 62</bibRefCitation>
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, fig. 3.8.1B (in colour).
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<taxonomicName id="05F34D0EFF2E68D7FF07FBBECC0EFBF8" authority="Chilton, 1912: 205" authorityName="Chilton" authorityPageNumber="205" authorityYear="1912" box="[240,793,1110,1137]" class="Malacostraca" family="Acanthonotozomatidae" genus="Acanthonotozoma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="168" pageNumber="169" phylum="Arthropoda" rank="species" species="australis">
<emphasis id="F087EA9FFF2E68D7FF07FBBECD25FBF9" box="[240,562,1110,1136]" italics="true" pageId="168" pageNumber="169">Acanthonotozoma australis</emphasis>
<bibRefCitation id="A6624B7CFF2E68D7FDCDFBBECC0EFBF8" author="Chilton" box="[570,793,1110,1137]" firstAuthor="Chilton" pageId="168" pageNumber="169" pagination="455 - 520" refId="ref134559" refString="Chilton C. 1912. The Amphipoda of the Scottish National Antarctic Expedition. Transactions of the Royal Society of Edinburgh 48 (3): 455 - 520, pls 1 - 2. http: // biodiversitylibrary. org / page / 41769498 [accessed 27 Sep. 2016]." type="journal article" year="1912">Chilton, 1912: 205</bibRefCitation>
</taxonomicName>
</treatmentCitation>
, pl. 2 fig. 19.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="8AE96506FF2E68D7FF4AFB71CE73FA80" pageId="168" pageNumber="169" type="etymology">
<paragraph id="C24C368DFF2E68D7FF4AFB71CE53FB3A" blockId="168.[189,324,1177,1203]" box="[189,324,1177,1203]" pageId="168" pageNumber="169">
<heading id="990481E1FF2E68D7FF4AFB71CE53FB3A" bold="true" box="[189,324,1177,1203]" fontSize="11" level="3" pageId="168" pageNumber="169" reason="3">
<emphasis id="F087EA9FFF2E68D7FF4AFB71CE53FB3A" bold="true" box="[189,324,1177,1203]" pageId="168" pageNumber="169">Etymology</emphasis>
</heading>
</paragraph>
<paragraph id="C24C368DFF2E68D7FF4AFB22CE73FA80" blockId="168.[189,1399,1226,1289]" pageId="168" pageNumber="169">From the Greek, χιων, snow. The name, which is a noun in apposition, alludes to the pure white colour of the species.</paragraph>
</subSubSection>
<subSubSection id="8AE96506FF2E68D7FF4AFADACC8EF998" pageId="168" pageNumber="169" type="materials_examined">
<paragraph id="C24C368DFF2E68D7FF4AFADACE7BFAC5" blockId="168.[189,364,1330,1356]" box="[189,364,1330,1356]" pageId="168" pageNumber="169">
<heading id="990481E1FF2E68D7FF4AFADACE7BFAC5" bold="true" box="[189,364,1330,1356]" fontSize="11" level="3" pageId="168" pageNumber="169" reason="3">
<emphasis id="F087EA9FFF2E68D7FF4AFADACE7BFAC5" bold="true" box="[189,364,1330,1356]" pageId="168" pageNumber="169">Type material</emphasis>
</heading>
</paragraph>
<materialsCitation id="729B3CD0FF2E68D7FF1DFA8BCC8EF998" ID-GBIF-Occurrence="2625583301" collectingDate="2013-03-05" collectionCode="RBINS" collectorName="M. Verheye" elevation="563" latitude="-62.929333" location="SOUTHERN OCEAN" longLatPrecision="10" longitude="-58.691" pageId="168" pageNumber="169" specimenCode="RBINS, INV. 122887" specimenCount="1" specimenCount-female="1" typeStatus="holotype">
<paragraph id="C24C368DFF2E68D7FF1DFA8BCE4BFAF4" blockId="168.[189,1399,1379,1554]" box="[234,348,1379,1405]" pageId="168" pageNumber="169">
<emphasis id="F087EA9FFF2E68D7FF1DFA8BCE4BFAF4" bold="true" box="[234,348,1379,1405]" pageId="168" pageNumber="169">
<typeStatus id="1D48882FFF2E68D7FF1DFA8BCE4BFAF4" box="[234,348,1379,1405]" pageId="168" pageNumber="169" type="holotype">Holotype</typeStatus>
</emphasis>
</paragraph>
<paragraph id="C24C368DFF2E68D7FF4AFA60CED5FA2B" blockId="168.[189,1399,1379,1554]" box="[189,450,1416,1442]" pageId="168" pageNumber="169">
RV 
<emphasis id="F087EA9FFF2E68D7FF1DFA60CED5FA2B" box="[234,450,1416,1442]" italics="true" pageId="168" pageNumber="169">Polarstern cruises</emphasis>
</paragraph>
<paragraph id="C24C368DFF2E68D7FF4AFA45CC8EF998" blockId="168.[189,1399,1379,1554]" pageId="168" pageNumber="169">
<location id="C72C6056FF2E68D7FF4AFA45CEDFFA4E" LSID="urn:lsid:plazi:treatment:4A5A879BFF2E68D5FD99FCD2CFE1F81F:C72C6056FF2E68D7FF4AFA45CEDFFA4E" box="[189,456,1453,1479]" latitude="-62.929333" longLatPrecision="10" longitude="-58.691" name="SOUTHERN OCEAN" pageId="168" pageNumber="169">SOUTHERN OCEAN</location>
: immature 
<specimenCount id="D4F5FD04FF2E68D7FDB2FA45CD4CFA4E" box="[581,603,1453,1479]" pageId="168" pageNumber="169" type="female">♀</specimenCount>
, cruise PS81,ANT-XXIX/3, stn 227-2, 
<location id="C72C6056FF2E68D7FBD7FA45CBF7FA4E" LSID="urn:lsid:plazi:treatment:4A5A879BFF2E68D5FD99FCD2CFE1F81F:C72C6056FF2E68D7FBD7FA45CBF7FA4E" box="[1056,1248,1453,1479]" latitude="-62.929333" longLatPrecision="10" longitude="-58.691" name="Bransfield Strait" pageId="168" pageNumber="169">Bransfield Strait</location>
, 
<geoCoordinate id="A7C7504AFF2E68D7FB1EFA43CD89FA64" degrees="62" direction="south" minutes="55.83" orientation="latitude" pageId="168" pageNumber="169" precision="9" value="-62.9305">62°55.83ʹ S, 58°41.09ʹ W to 62°55.76ʹ S, 58°41.46ʹ W</geoCoordinate>
, 
<quantity id="050B9B68FF2E68D7FD5EFA3ACC38FA64" box="[681,815,1490,1517]" metricMagnitude="2" metricUnit="m" metricValue="5.63" metricValueMax="5.64" metricValueMin="5.62" pageId="168" pageNumber="169" unit="m" value="563.0" valueMax="564.0" valueMin="562.0">
<elevation id="49DED1BEFF2E68D7FD5EFA3ACC38FA64" box="[681,815,1490,1517]" metricMagnitude="2" metricUnit="m" metricValue="5.63" metricValueMax="5.64" metricValueMin="5.62" pageId="168" pageNumber="169" unit="m" value="563.0" valueMax="564.0" valueMin="562.0">562–564 m</elevation>
</quantity>
, muddy bottom, Agassiz Trawl, 
<date id="B64D104DFF2E68D7FB5FFA3ACA2FFA65" box="[1192,1336,1490,1517]" pageId="168" pageNumber="169" value="2013-03-05">
<collectingDate id="A609E9A5FF2E68D7FB5FFA3ACA2FFA65" box="[1192,1336,1490,1517]" pageId="168" pageNumber="169" value="2013-03-05">5 Mar. 2013</collectingDate>
</date>
, coll. C. d’Udekem d’Acoz and 
<collectorName id="6F06535BFF2E68D7FE05FA10CD6DF998" box="[498,634,1527,1554]" pageId="168" pageNumber="169">M. Verheye</collectorName>
(
<specimenCode id="92559EF6FF2E68D7FD7DFA1FCC9BF998" box="[650,908,1527,1554]" pageId="168" pageNumber="169">RBINS, INV. 122887</specimenCode>
).
</paragraph>
</materialsCitation>
</subSubSection>
<subSubSection id="8AE96506FF2E68D5FF4AF9D2CE00FAC0" lastPageId="170" lastPageNumber="171" pageId="168" pageNumber="169" type="description">
<paragraph id="C24C368DFF2E68D7FF4AF9D2CE59F9DD" blockId="168.[189,334,1594,1620]" box="[189,334,1594,1620]" pageId="168" pageNumber="169">
<heading id="990481E1FF2E68D7FF4AF9D2CE59F9DD" bold="true" box="[189,334,1594,1620]" fontSize="11" level="3" pageId="168" pageNumber="169" reason="3">
<emphasis id="F087EA9FFF2E68D7FF4AF9D2CE59F9DD" bold="true" box="[189,334,1594,1620]" pageId="168" pageNumber="169">Description</emphasis>
</heading>
</paragraph>
<paragraph id="C24C368DFF2E68D7FF4AF984CC02F97C" blockId="168.[189,1398,1643,1781]" pageId="168" pageNumber="169">HEAD. Rostrum tiny, extremely narrow in frontal view, reaching 0.3 of article 1 of peduncle of antenna 1 (dorsomedial tooth included); lateral head lobes triangular (forming a sharp squared angle); ventral lobe forming an extremely strong hemi-elliptic protrusion; connection between this protrusion and head forming a deep notch (shape: sharp squared angle).</paragraph>
<paragraph id="C24C368DFF2E68D7FF4AF8F6CCFDF8B1" blockId="168.[189,1002,1822,1848]" box="[189,1002,1822,1848]" pageId="168" pageNumber="169">EYES. Circular, small, pale, non-ommatidian, disappearing in alcohol.</paragraph>
<paragraph id="C24C368DFF2E68D7FF4AF88ACBD0F862" blockId="168.[189,1399,1889,2027]" pageId="168" pageNumber="169">PEREION–PLEOSOME TOOTH PATTERN. Pereionites 1–6 totally smooth; pereionite 7 posteriorly carinate and with medium-sized tooth projecting backwards; pleonites 1–2 carinate, with medium-sized tooth projecting backwards; pleonite 3 carinate, with distinctly sigmoid profile (distinctly convex in anterior 0.8, distinctly concave in posterior 0.2), with medium-sized tooth projecting backwards.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AFEE4CEF5FEC3" blockId="169.[189,1399,267,330]" pageId="169" pageNumber="170">EPIMERAL PLATES 1–3. Posteroventral angle: very obtusely rounded in plate 1, produced into a mediumsized tooth in plates 2–3.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AFE9BCED0FDCB" blockId="169.[189,1399,370,579]" pageId="169" pageNumber="170">UROSOME ORNAMENTATION. Urosomite 1 with deep notch on proximal third, followed by elevated carina, anteriorly rounded and slightly produced forward, dorsally nearly straight (posteriorly very slightly concave), posteriorly produced into a well-developed, narrowly triangular sharp tooth overreaching urosomite 1 and forming a blunt squared angle with it (tooth 0.23 × as long as carina); urosomite 2 toothless; urosomite 3 lateral borders distally produced into a well-developed lobe, of which the tip forms a squared angle.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AFD83CA40FD47" blockId="169.[189,1398,619,718]" pageId="169" pageNumber="170">TELSON. Broadly rectangular, distally broad and emarginate; with very shallow broad V-shaped notch (cleft on 0.08); lobes very broad, medially forming a rounded very low projection, more laterally with shallow concavity, at their connection with lateral border forming a broad and blunt triangular tooth.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AFD1FCA7FFCD0" blockId="169.[189,1399,758,858]" pageId="169" pageNumber="170">ANTENNA 1. Articles of peduncle very broad; article one with large and broad dorsomedial tooth reaching tip of article two, with strong ventral tooth reaching mid of article two; article two with broadly rounded lateral lobe; article three with broadly rounded lateral lobe; accessory flagellum distinct, uniarticulate.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AFC6ACFE3FC49" blockId="169.[189,1398,898,960]" pageId="169" pageNumber="170">ANTENNA 2. Article four with posterodistal blunt dentiform process; article five 1.3 × as long as article four.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AFC01CEE8FBAE" blockId="169.[189,1398,1001,1064]" pageId="169" pageNumber="170">UPPER LIP. Strongly asymmetrical, right lobe well developed, bluntly triangular and very protruding, left lobe low and very rounded.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AFBB8CA0CFB5E" blockId="169.[189,1398,1104,1239]" pageId="169" pageNumber="170">MANDIBLES. Incisor very broad, straight and toothless (or with trace of tiny denticles near lateral corner); left lacinia mobilis very large (0.7 × as broad as incisor process); right lacinia mobilis small (0.25 × as broad as incisor process); molar absent; palp with article 1 very short, posterodistally produced into a tooth; article 2 and 3 long and narrow, posteriorly ciliate; article 2 slightly longer than article 3.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AFAE8CA60FA93" blockId="169.[189,1399,1279,1306]" box="[189,1399,1279,1306]" pageId="169" pageNumber="170">LOWER LIP. Lower lip without inner lobes, outer lobes broad with small acute projection at outer corners.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AFAABCD09FA2F" blockId="169.[189,1399,1346,1446]" pageId="169" pageNumber="170">MAXILLA 1. Inner plate setose along medial margin and along a row on inner face, notched at the level of this row to allow imbrication of outer plate; palp biarticulate, expanded distally with 1 marginal row of spines + row of short setae.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AFA26CA60F985" blockId="169.[189,1399,1486,1549]" pageId="169" pageNumber="170">MAXILLA 2. Inner plate distinctly larger than outer, rounded, posterior setae conspicuously longer than those more anterior but not strongly plumose, also sparse setae on surface of plate; outer plate triangular.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AF9DDCEEDF911" blockId="169.[189,1398,1589,1688]" pageId="169" pageNumber="170">MAXILLIPED. Outer plate exceeding palp, setose medially; inner plate extending beyond distal margin of palp article 1, setae on distal margin of moderate length; palp 4-articulate, article 2 longest, article 4 less than 0.5 length of article 3.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AF928CD89F952" blockId="169.[189,670,1728,1755]" box="[189,670,1728,1755]" pageId="169" pageNumber="170">GILLS. From gnathopod 2 to pereiopod 7.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AF8EBCDC8F894" blockId="169.[189,735,1794,1821]" box="[189,735,1794,1821]" pageId="169" pageNumber="170">OOSTEGITES. From gnathopod 2 to pereiopod 5.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AF8ADCA60F80D" blockId="169.[189,1399,1861,1924]" pageId="169" pageNumber="170">GNATHOPOD 1. Coxa very broad, expanding distally, anteroventral corner very broadly rounded, ventral margin straight; leg achelate; carpus very broad, 1.8 × as long as propodus; propodus strongly tapering.</paragraph>
<paragraph id="C24C368DFF2F68D6FF4AF844CC26F862" blockId="169.[189,1398,1964,2027]" pageId="169" pageNumber="170">GNATHOPOD 2. Coxa broad, anteriorly rounded, posterodistally angulate; leg achelate; carpus very broad, 1.5 × as long as propodus; propodus weakly tapering.</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AFEE4CBC4FEFA" blockId="170.[189,1399,267,372]" pageId="170" pageNumber="171">PEREIOPOD 3. Coxa broad, with anterior border rounded, distally produced into a large blunt tooth, posterior margin very slightly concave; leg robust: propodus 4.8 × as long as wide; dactylus short: 3.6 × as long as broad, 0.4 × as long as propodus, with row of small spines on posterior border.</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AFE77CE47FD8F" blockId="170.[189,1398,414,518]" pageId="170" pageNumber="171">PEREIOPOD 4. Coxa anteriorly forming a strong regular curve, with ventral corner angulate (forming a distinct acute angle), with posteroventral border strongly concave; leg robust very similar to that of pereiopod 3.</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AFDDACB80FD49" blockId="170.[189,1399,561,704]" pageId="170" pageNumber="171">PEREIOPOD 5. Coxa posteriorly produced into a triangular tooth (forming a squared angle), posteroventrally also produced into a triangular tooth (forming a blunt acute, nearly squared angle); basis fairly narrow, posterior border very weakly concave, posterodistal corner broadly rounded, posteromedial carina distally produced into a small rounded lobe; carpus, propodus and dactylus missing.</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AFD03CE9EFCF0" blockId="170.[189,1399,747,889]" pageId="170" pageNumber="171">PEREIOPOD 6. Coxa posteriorly forming a rounded obtuse angle, posteroventrally produced into a triangular tooth (forming a blunt acute angle); basis of medium width; posterior border very weakly concave, posterodistal corner forming a blunt squared angle (not rounded); carpus, propodus and dactylus missing.</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AFC4DCE23FBBD" blockId="170.[189,1399,932,1076]" pageId="170" pageNumber="171">PEREIOPOD 7. Coxa posteriorly straight, posteroventrally forming an obtuse (nearly squared) angle; basis extremely broad, with posteroproximal strong rounded process, posterodistally produced into a sharp triangular tooth forming an acute angle projecting forward (that tooth is 0.17 × as long as basis, tooth included).</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AFBB6CE6EFBF1" blockId="170.[189,377,1118,1144]" box="[189,377,1118,1144]" pageId="170" pageNumber="171">
<heading id="990481E1FF2C68D5FF4AFBB6CE6EFBF1" bold="true" box="[189,377,1118,1144]" fontSize="11" level="3" pageId="170" pageNumber="171" reason="3">
<emphasis id="F087EA9FFF2C68D5FF4AFBB6CE6EFBF1" bold="true" box="[189,377,1118,1144]" pageId="170" pageNumber="171">Colour pattern</emphasis>
</heading>
</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AFB78CD01FB58" blockId="170.[189,1399,1168,1234]" pageId="170" pageNumber="171">White, except for mouthparts, gnathopods (red) and carpus, propodus and dactylus of pereiopods 3–4 (pale pink); eyes pale yellow.</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AFB15CE43FA9E" blockId="170.[189,340,1277,1303]" box="[189,340,1277,1303]" pageId="170" pageNumber="171">
<heading id="990481E1FF2C68D5FF4AFB15CE43FA9E" bold="true" box="[189,340,1277,1303]" fontSize="11" level="3" pageId="170" pageNumber="171" reason="3">
<emphasis id="F087EA9FFF2C68D5FF4AFB15CE43FA9E" bold="true" box="[189,340,1277,1303]" pageId="170" pageNumber="171">Body length</emphasis>
</heading>
</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AFAC7CE00FAC0" blockId="170.[189,279,1327,1353]" box="[189,279,1327,1353]" pageId="170" pageNumber="171">
<quantity id="050B9B68FF2C68D5FF4AFAC7CE04FAC0" box="[189,275,1327,1353]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" pageId="170" pageNumber="171" unit="mm" value="30.0">30 mm</quantity>
.
</paragraph>
</subSubSection>
<subSubSection id="8AE96506FF2C68D5FF4AFA9BCDA8FA48" box="[189,703,1395,1473]" pageId="170" pageNumber="171" type="distribution">
<paragraph id="C24C368DFF2C68D5FF4AFA9BCE41FA04" blockId="170.[189,342,1395,1421]" box="[189,342,1395,1421]" pageId="170" pageNumber="171">
<heading id="990481E1FF2C68D5FF4AFA9BCE41FA04" bold="true" box="[189,342,1395,1421]" fontSize="11" level="3" pageId="170" pageNumber="171" reason="3">
<emphasis id="F087EA9FFF2C68D5FF4AFA9BCE41FA04" bold="true" box="[189,342,1395,1421]" pageId="170" pageNumber="171">Distribution</emphasis>
</heading>
</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AFA4ECDA8FA48" blockId="170.[189,703,1446,1473]" box="[189,703,1446,1473]" pageId="170" pageNumber="171">
Bransfield Strait, 
<quantity id="050B9B68FF2C68D5FE7CFA4ECD07FA49" box="[395,528,1446,1473]" metricMagnitude="2" metricUnit="m" metricValue="5.63" metricValueMax="5.64" metricValueMin="5.62" pageId="170" pageNumber="171" unit="m" value="563.0" valueMax="564.0" valueMin="562.0">562–564 m</quantity>
(present data).
</paragraph>
</subSubSection>
<subSubSection id="8AE96506FF2C68D5FF4AFA03CFE1F81F" pageId="170" pageNumber="171" type="discussion">
<paragraph id="C24C368DFF2C68D5FF4AFA03CE38F98C" blockId="170.[189,303,1515,1541]" box="[189,303,1515,1541]" pageId="170" pageNumber="171">
<heading id="990481E1FF2C68D5FF4AFA03CE38F98C" bold="true" box="[189,303,1515,1541]" fontSize="11" level="3" pageId="170" pageNumber="171" reason="3">
<emphasis id="F087EA9FFF2C68D5FF4AFA03CE38F98C" bold="true" box="[189,303,1515,1541]" pageId="170" pageNumber="171">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="C24C368DFF2C68D5FF4AF9F5CFE1F81F" blockId="170.[189,1399,1565,1942]" pageId="170" pageNumber="171">
<taxonomicName id="05F34D0EFF2C68D5FF4AF9F5CEB0F9BE" authority="Verheye, 2017" authorityName="d’Acoz &amp; Verheye" authorityYear="2017" box="[189,423,1565,1591]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="170" pageNumber="171" phylum="Arthropoda" rank="species" species="chione" status="sp. nov.">
<emphasis id="F087EA9FFF2C68D5FF4AF9F5CEB0F9BE" box="[189,423,1565,1591]" italics="true" pageId="170" pageNumber="171">Alexandrella chione</emphasis>
</taxonomicName>
<taxonomicNameLabel id="EBB457E4FF2C68D5FE5AF9F6CD12F9B1" box="[429,517,1566,1592]" pageId="170" pageNumber="171" rank="species">sp. nov.</taxonomicNameLabel>
(Bransfield Strait shelf) is similar to 
<taxonomicName id="05F34D0EFF2C68D5FC5BF9F5CBB8F9BE" baseAuthorityName="Chilton" baseAuthorityYear="1912" box="[940,1199,1565,1591]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="170" pageNumber="171" phylum="Arthropoda" rank="species" species="australis">
<emphasis id="F087EA9FFF2C68D5FC5BF9F5CBB8F9BE" box="[940,1199,1565,1591]" italics="true" pageId="170" pageNumber="171">Alexandrella australis</emphasis>
</taxonomicName>
(eastern Weddell Sea abyss) and 
<taxonomicName id="05F34D0EFF2C68D5FE87F9ACCD11F9D7" authorityName="Chevreux, 1911:" authorityYear="1167" box="[368,518,1604,1630]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="170" pageNumber="171" phylum="Arthropoda" rank="genus">
<emphasis id="F087EA9FFF2C68D5FE87F9ACCD11F9D7" box="[368,518,1604,1630]" italics="true" pageId="170" pageNumber="171">Alexandrella</emphasis>
</taxonomicName>
sp. 3 (
<collectingCountry id="BAE4761DFF2C68D5FDA6F9ACCC7CF9D7" box="[593,875,1604,1630]" name="South Georgia and the South Sandwich Islands" pageId="170" pageNumber="171">South Sandwich Islands</collectingCountry>
abyss). The most visible difference concerns the ventral lobe of head, which is much stronger and proximally narrower in 
<taxonomicName id="05F34D0EFF2C68D5FBD9F983CA0FF90C" authority="Verheye, 2017" authorityName="d’Acoz &amp; Verheye" authorityYear="2017" box="[1070,1304,1643,1669]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="170" pageNumber="171" phylum="Arthropoda" rank="species" species="chione" status="sp. nov.">
<emphasis id="F087EA9FFF2C68D5FBD9F983CA0FF90C" box="[1070,1304,1643,1669]" italics="true" pageId="170" pageNumber="171">Alexandrella chione</emphasis>
</taxonomicName>
<taxonomicNameLabel id="EBB457E4FF2C68D5FAE9F983CA60F90C" box="[1310,1399,1643,1669]" pageId="170" pageNumber="171" rank="species">sp. nov.</taxonomicNameLabel>
than in other species. In addition to the characters given in the key, it must be mentioned that the lacinia mobilis of the right mandible is more developed and the posterodistal tooth of the basis of pereiopod 7 is longer in 
<taxonomicName id="05F34D0EFF2C68D5FEBEF908CD22F973" authority="Verheye, 2017" authorityName="d’Acoz &amp; Verheye" authorityYear="2017" box="[329,565,1760,1786]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="170" pageNumber="171" phylum="Arthropoda" rank="species" species="chione" status="sp. nov.">
<emphasis id="F087EA9FFF2C68D5FEBEF908CD22F973" box="[329,565,1760,1786]" italics="true" pageId="170" pageNumber="171">Alexandrella chione</emphasis>
</taxonomicName>
<taxonomicNameLabel id="EBB457E4FF2C68D5FDCAF908CD8FF973" box="[573,664,1760,1786]" pageId="170" pageNumber="171" rank="species">sp. nov.</taxonomicNameLabel>
than in 
<taxonomicName id="05F34D0EFF2C68D5FD00F908CC9AF973" authorityName="Chevreux, 1911:" authorityYear="1167" box="[759,909,1760,1786]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="170" pageNumber="171" phylum="Arthropoda" rank="genus">
<emphasis id="F087EA9FFF2C68D5FD00F908CC9AF973" box="[759,909,1760,1786]" italics="true" pageId="170" pageNumber="171">Alexandrella</emphasis>
</taxonomicName>
sp. 3 as illustrated by 
<bibRefCitation id="A6624B7CFF2C68D5FB61F937CE18F8A8" author="Holman &amp; Watling" firstAuthor="Holman" pageId="170" pageNumber="171" pagination="29 - 53" refId="ref139761" refString="Holman H. &amp; Watling L. 1983. A revision of the Stilipedidae (Amphipoda). Crustaceana 44 (1): 29 - 53. https: // doi. org / 10.1163 / 156854083 x 00037" type="journal article" year="1983">Holman &amp; Watling (1983)</bibRefCitation>
. Very little information is given on the adult specimens of ‘ 
<taxonomicName id="05F34D0EFF2C68D5FC2CF8EECBF6F8A9" baseAuthorityName="Chilton" baseAuthorityYear="1912" box="[987,1249,1798,1824]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="170" pageNumber="171" phylum="Arthropoda" rank="species" species="australis">
<emphasis id="F087EA9FFF2C68D5FC2CF8EECBF6F8A9" box="[987,1249,1798,1824]" italics="true" pageId="170" pageNumber="171">Alexandrella australis</emphasis>
</taxonomicName>
’ recorded at 
<quantity id="050B9B68FF2C68D5FF4AF8C5CE1FF8C1" box="[189,264,1837,1864]" metricMagnitude="2" metricUnit="m" metricValue="9.35" pageId="170" pageNumber="171" unit="m" value="935.0">935 m</quantity>
in the Bransfield Strait by 
<bibRefCitation id="A6624B7CFF2C68D5FDBFF8C5CC68F8CE" author="Holman &amp; Watling" box="[584,895,1837,1863]" firstAuthor="Holman" pageId="170" pageNumber="171" pagination="29 - 53" refId="ref139761" refString="Holman H. &amp; Watling L. 1983. A revision of the Stilipedidae (Amphipoda). Crustaceana 44 (1): 29 - 53. https: // doi. org / 10.1163 / 156854083 x 00037" type="journal article" year="1983">Holman &amp; Watling (1983)</bibRefCitation>
and 
<bibRefCitation id="A6624B7CFF2C68D5FC4EF8C6CBC7F8C1" author="Berge &amp; Vader" box="[953,1232,1837,1864]" firstAuthor="Berge" pageId="170" pageNumber="171" pagination="1327 - 1346" refId="ref132533" refString="Berge J. &amp; Vader W. 2005 a. The amphipod genus Alexandrella (Amphipoda, Stilipedidae): taxonomic status, allometric growth and description of two new species. Journal of Natural History 39 (17): 1327 - 1346. https: // doi. org / 10.1080 / 00222930400015566" type="journal article" year="2005" yearSuffix="a">Berge &amp; Vader (2005a)</bibRefCitation>
, but they may be 
<taxonomicName id="05F34D0EFF2C68D5FF17F8BDCE59F8E7" authority="Verheye, 2017" authorityName="d’Acoz &amp; Verheye" authorityYear="2017" box="[224,334,1876,1903]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="170" pageNumber="171" phylum="Arthropoda" rank="species" species="chione" status="sp. nov.">
<emphasis id="F087EA9FFF2C68D5FF17F8BDCE59F8E7" box="[224,334,1876,1903]" italics="true" pageId="170" pageNumber="171">A. chione</emphasis>
</taxonomicName>
<taxonomicNameLabel id="EBB457E4FF2C68D5FEA2F8BDCEA5F8E6" box="[341,434,1877,1903]" pageId="170" pageNumber="171" rank="species">sp. nov.</taxonomicNameLabel>
, which is described herein from a specimen collected at similar depths in the same area.
</paragraph>
</subSubSection>
</treatment>
</document>