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<document id="8B3E698A3CB5F0CD68EAF50F1C5F2E7E" ID-CLB-Dataset="21844" ID-DOI="10.5852/ejt.2017.359" ID-GBIF-Dataset="87920495-c1bf-4bdb-b153-50e709c1d6c2" ID-ISSN="2118-9773" ID-Zenodo-Dep="3855694" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" checkinTime="1590500868344" checkinUser="carolina" docAuthor="dAcoz, Cédric dUdekem &amp; Verheye, Marie L." docDate="2017" docId="4A5A879BFF2868D0FE22FBC6CEFDFE6E" docLanguage="en" docName="ejt-2017-359.pdf.imf" docOrigin="European Journal of Taxonomy 359" docStyle="DocumentStyle:EF2B578F1D15862ADE45B0C07C620911.14:EJT.2018-.journal_article.type1" docStyleId="EF2B578F1D15862ADE45B0C07C620911" docStyleName="EJT.2018-.journal_article.type1" docStyleVersion="14" docTitle="Alexandrella schellenbergi" docType="treatment" docVersion="8" lastPageNumber="175" masterDocId="B663FFE3FF86687FFFF7FFE8CF17FF89" masterDocTitle="Epimeria of the Southern Ocean with notes on their relatives (Crustacea, Amphipoda, Eusiroidea)" masterLastPageNumber="553" masterPageNumber="1" pageNumber="175" updateTime="1698841458082" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0" zenodo-license-figures="CC-BY-3.0" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="B299A82F00CA3A0D140AF7530891445E">Epimeria of the Southern Ocean with notes on their relatives (Crustacea, Amphipoda, Eusiroidea)</mods:title>
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<mods:namePart id="C17D41216D3E89B87EBDA0423C8CADDF">dAcoz, Cédric dUdekem</mods:namePart>
<mods:affiliation id="873EC5AD85CE175F930297B01DA4BCAE">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:namePart id="E4D6FA6C79C9826E0E3930D179707BD6">Verheye, Marie L.</mods:namePart>
<mods:affiliation id="5018BEC8446BF78829CAD2405F8B53C2">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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<paragraph id="C24C368DFF2868D1FE22FBC6CB49FBC0" blockId="174.[469,1118,1070,1097]" box="[469,1118,1070,1097]" pageId="174" pageNumber="175">
<heading id="990481E1FF2868D1FE22FBC6CB49FBC0" box="[469,1118,1070,1097]" centered="true" fontSize="11" level="2" pageId="174" pageNumber="175" reason="2">
<taxonomicName id="05F34D0EFF2868D1FE22FBC6CB49FBC0" ID-CoL="BRB3" authority="(Holman &amp; Watling, 1983)" baseAuthorityName="Holman &amp; Watling" baseAuthorityYear="1983" box="[469,1118,1070,1097]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="174" pageNumber="175" phylum="Arthropoda" rank="species" species="schellenbergi">
<emphasis id="F087EA9FFF2868D1FE22FBC6CC0DFBC0" bold="true" box="[469,794,1070,1097]" italics="true" pageId="174" pageNumber="175">Alexandrella schellenbergi</emphasis>
(
<bibRefCitation id="A6624B7CFF2868D1FCDDFBC6CB41FBC0" author="Holman &amp; Watling" box="[810,1110,1070,1097]" firstAuthor="Holman" pageId="174" pageNumber="175" 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>
)
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</paragraph>
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<subSubSection id="8AE96506FF2868D1FF4AFB99CCA4FADE" pageId="174" pageNumber="175" type="reference_group">
<paragraph id="C24C368DFF2868D1FF4AFB99CCF4FB26" blockId="174.[189,1398,1137,1199]" pageId="174" pageNumber="175">
<treatmentCitationGroup id="E2E311A3FF2868D1FF4AFB99CCF4FB26" pageId="174" pageNumber="175">
<treatmentCitation id="4352109CFF2868D1FF4AFB99CC60FB02" author="Holman H. &amp; Watling L." box="[189,887,1137,1163]" page="47" pageId="174" pageNumber="175" year="1983">
<taxonomicName id="05F34D0EFF2868D1FF4AFB99CC60FB02" ID-CoL="KXG8" authority="Holman &amp; Watling, 1983: 47" authorityName="Holman &amp; Watling" authorityPageNumber="47" authorityYear="1983" box="[189,887,1137,1163]" class="Malacostraca" family="Stilipedidae" genus="Bathypanoploea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="174" pageNumber="175" phylum="Arthropoda" rank="species" species="schellenbergi">
<emphasis id="F087EA9FFF2868D1FF4AFB99CD37FB02" box="[189,544,1137,1163]" italics="true" pageId="174" pageNumber="175">Bathypanoploea schellenbergi</emphasis>
<bibRefCitation id="A6624B7CFF2868D1FDD1FB99CC60FB02" author="Holman &amp; Watling" box="[550,887,1137,1163]" firstAuthor="Holman" pageId="174" pageNumber="175" 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: 47</bibRefCitation>
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(in part:
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only) figs 11ae only (not figs 9, 10, 11fh: presumably
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<emphasis id="F087EA9FFF2868D1FDBFFB7DCDD3FB26" box="[584,708,1173,1199]" italics="true" pageId="174" pageNumber="175">A. pulchra</emphasis>
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and
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<emphasis id="F087EA9FFF2868D1FD0AFB7DCC84FB26" box="[765,915,1173,1199]" italics="true" pageId="174" pageNumber="175">Alexandrella</emphasis>
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sp. 1).
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</paragraph>
<paragraph id="C24C368DFF2868D1FF4AFB3FCC87FB7B" blockId="174.[189,1116,1239,1302]" box="[189,912,1239,1266]" pageId="174" pageNumber="175">
<treatmentCitationGroup id="E2E311A3FF2868D1FF4AFB3FCC87FB7B" box="[189,912,1239,1266]" pageId="174" pageNumber="175">
<taxonomicName id="05F34D0EFF2868D1FF4AFB3FCEC7FB78" box="[189,464,1239,1265]" class="Malacostraca" family="Iphimediidae" genus="Iphimediopsis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="174" pageNumber="175" phylum="Arthropoda" rank="species" species="australis">
<emphasis id="F087EA9FFF2868D1FF4AFB3FCEC7FB78" box="[189,464,1239,1265]" italics="true" pageId="174" pageNumber="175">Iphimediopsis australis</emphasis>
</taxonomicName>
<treatmentCitation id="4352109CFF2868D1FE1AFB3FCC12FB78" author="Schellenberg A." box="[493,773,1239,1265]" page="127" pageId="174" pageNumber="175" year="1931">
<bibRefCitation id="A6624B7CFF2868D1FE1AFB3FCC12FB78" author="Schellenberg" box="[493,773,1239,1265]" firstAuthor="Schellenberg" pageId="174" pageNumber="175" pagination="1 - 290" refId="ref144488" refString="Schellenberg A. 1931. Gammariden und Caprelliden des Magellangebietes, Sudgeorgiens und der Westantarktis. Further zoological results of the Swedish Antarctic Expedition 1901 - 1903 2 (6): 1 - 290, pl. 1." type="journal article" year="1931">Schellenberg 1931: 127</bibRefCitation>
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, pl. 1 fig. c.
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<treatmentCitationGroup id="E2E311A3FF2868D1FF4AFB13CB4BFA9F" box="[189,1116,1275,1302]" pageId="174" pageNumber="175">
<taxonomicName id="05F34D0EFF2868D1FF4AFB13CEFBFA9C" baseAuthorityName="Chilton" baseAuthorityYear="1912" box="[189,492,1275,1301]" class="Malacostraca" family="Stilipedidae" genus="Bathypanoploea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="174" pageNumber="175" phylum="Arthropoda" rank="species" species="australis">
<emphasis id="F087EA9FFF2868D1FF4AFB13CEFBFA9C" box="[189,492,1275,1301]" italics="true" pageId="174" pageNumber="175">Bathypanoploea australis</emphasis>
</taxonomicName>
<treatmentCitation id="4352109CFF2868D1FDFEFB13CC08FA9C" author="Schellenberg A." box="[521,799,1275,1301]" page="137" pageId="174" pageNumber="175" year="1939">
<bibRefCitation id="A6624B7CFF2868D1FDFEFB13CC08FA9C" author="Schellenberg" box="[521,799,1275,1301]" firstAuthor="Schellenberg" pageId="174" pageNumber="175" pagination="122 - 138" refId="ref144528" refString="Schellenberg A. 1939. Amphipoden des Kongo-Mundungsgebietes. Revue de Zoologie et de Botanique Africaine 32: 122 - 138." type="journal article" year="1939">Schellenberg 1939: 137</bibRefCitation>
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(footnote, by implication).
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</paragraph>
<paragraph id="C24C368DFF2868D1FF4AFAD6CCA4FADE" blockId="174.[189,947,1341,1368]" box="[189,947,1341,1368]" pageId="174" pageNumber="175">
<treatmentCitationGroup id="E2E311A3FF2868D1FF4AFAD6CCA4FADE" box="[189,947,1341,1368]" pageId="174" pageNumber="175">
<emphasis id="F087EA9FFF2868D1FF4AFAD6CFFEFADE" box="[189,233,1342,1367]" italics="true" pageId="174" pageNumber="175">non</emphasis>
<treatmentCitation id="4352109CFF2868D1FF07FAD5CC0EFAD1" author="Chilton C." box="[240,793,1341,1368]" page="205" pageId="174" pageNumber="175" year="1912">
<taxonomicName id="05F34D0EFF2868D1FF07FAD5CC0EFAD1" authority="Chilton, 1912: 205" authorityName="Chilton" authorityPageNumber="205" authorityYear="1912" box="[240,793,1341,1368]" class="Malacostraca" family="Acanthonotozomatidae" genus="Acanthonotozoma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="174" pageNumber="175" phylum="Arthropoda" rank="species" species="australis">
<emphasis id="F087EA9FFF2868D1FF07FAD5CD25FADE" box="[240,562,1341,1367]" italics="true" pageId="174" pageNumber="175">Acanthonotozoma australis</emphasis>
<bibRefCitation id="A6624B7CFF2868D1FDCDFAD5CC0EFAD1" author="Chilton" box="[570,793,1341,1368]" firstAuthor="Chilton" pageId="174" pageNumber="175" 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>
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, pl. 2 fig. 19.
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<emphasis id="F087EA9FFF2868D1FF4AFA97CE41FA10" bold="true" box="[189,342,1407,1433]" pageId="174" pageNumber="175">Distribution</emphasis>
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<paragraph id="C24C368DFF2868D1FF4AFA47CD4DFA64" blockId="174.[189,1398,1453,1518]" pageId="174" pageNumber="175">
Sub-Antarctic Region: south of
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Basin: north east of
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:
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,
<geoCoordinate id="A7C7504AFF2868D1FAF7FA45CA65FA40" box="[1280,1394,1453,1481]" degrees="50" direction="west" minutes="50" orientation="longitude" pageId="174" pageNumber="175" precision="925" value="-50.833332">50°50ʹ W</geoCoordinate>
,
<quantity id="050B9B68FF2868D1FF4AFA3BCE01FA64" box="[189,278,1491,1518]" metricMagnitude="3" metricUnit="m" metricValue="2.675" pageId="174" pageNumber="175" unit="m" value="2675.0">2675 m</quantity>
(
<bibRefCitation id="A6624B7CFF2868D1FED2FA3BCD5AFA64" author="Holman &amp; Watling" box="[293,589,1491,1517]" firstAuthor="Holman" pageId="174" pageNumber="175" 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>
).
</paragraph>
</subSubSection>
<subSubSection id="8AE96506FF2868D0FF4AF9FDCEFDFE6E" lastPageId="175" lastPageNumber="176" pageId="174" pageNumber="175" type="discussion">
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<heading id="990481E1FF2868D1FF4AF9FDCE38F9A6" bold="true" box="[189,303,1557,1583]" fontSize="11" level="3" pageId="174" pageNumber="175" reason="3">
<emphasis id="F087EA9FFF2868D1FF4AF9FDCE38F9A6" bold="true" box="[189,303,1557,1583]" pageId="174" pageNumber="175">Remarks</emphasis>
</heading>
</paragraph>
<paragraph id="C24C368DFF2868D0FF4AF9ADCEFDFE6E" blockId="174.[189,1399,1604,2027]" lastBlockId="175.[189,1399,267,488]" lastPageId="175" lastPageNumber="176" pageId="174" pageNumber="175">
It has been reported that
<taxonomicName id="05F34D0EFF2868D1FE01F9ADCC22F9D6" baseAuthorityName="Holman &amp; Watling" baseAuthorityYear="1983" box="[502,821,1605,1631]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="174" pageNumber="175" phylum="Arthropoda" rank="species" species="schellenbergi">
<emphasis id="F087EA9FFF2868D1FE01F9ADCC22F9D6" box="[502,821,1605,1631]" italics="true" pageId="174" pageNumber="175">Alexandrella schellenbergi</emphasis>
</taxonomicName>
has a very wide geographical and bathymetric distribution across the Southern Ocean (
<bibRefCitation id="A6624B7CFF2868D1FD55F980CCC6F90A" author="Holman &amp; Watling" box="[674,977,1640,1667]" firstAuthor="Holman" pageId="174" pageNumber="175" 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>
,
<bibRefCitation id="A6624B7CFF2868D1FC17F981CBFBF90A" author="Berge &amp; Vader" box="[992,1260,1640,1667]" firstAuthor="Berge" pageId="174" pageNumber="175" pagination="81 - 83" refId="ref132588" refString="Berge J. &amp; Vader W. 2005 b. On the taxonomic status of the Antarctic amphipod crustacean genera Eclysis (Astyridae) and Bathypanoploea (Stilipedidae), with partial redescription of their type species and description of Bathypanoploea polarsterni n. sp. Organisms, Diversity &amp; Evolution 5: 81 - 83. https: // doi. org / 10.1016 / j. ode. 2004.05.002" type="journal article" year="2005" yearSuffix="b">Berge &amp; Vader 2005b</bibRefCitation>
,
<bibRefCitation id="A6624B7CFF2868D1FB0CF980CA51F90A" author="Berge &amp; Vader" box="[1275,1350,1640,1667]" firstAuthor="Berge" pageId="174" pageNumber="175" pagination="1 - 15" refId="ref132659" refString="Berge J. &amp; Vader W. 2005 c. On the taxonomic status of the Antarctic amphipod crustacean genera Eclysis (Astyridae) and Bathypanoploea (Stilipedidae), with partial redescription of their type species and description of Bathypanoploea polarsterni n. sp. Organisms, Diversity &amp; Evolution 5, Electronic Supplement 3: 1 - 15. Available from http: // www. senckenberg. de / odes / 05 - 03. htm [accessed 27 Sep. 2016]." type="journal article" year="2005" yearSuffix="c">
2005
<bibRefCitation id="A6624B7CFF2868D1FACEF980CA51F90A" author="c, De Broyer" box="[1337,1350,1640,1667]" etAl="et al." firstAuthor="c" pageId="174" pageNumber="175" pagination="1 - 325" refId="ref136532" refString="De Broyer C., Lowry J. K., Jazdzewski K. &amp; Robert H. 2007. Catalogue of the Gammaridean and Corophiidean Amphipoda (Crustacea) of the Southern Ocean with distribution and ecological data. Synopses of the Amphipoda of the Southern Ocean 1: 1 - 325. Institut Royal des Sciences Naturelles de Belgique, Brussels. Available from www. marinespecies. org / aphia. php? p = sourceget &amp; id = 10098 [accessed 27 Sep. 2016]." type="journal article" year="2007">c</bibRefCitation>
</bibRefCitation>
, De Broyer
<emphasis id="F087EA9FFF2868D1FEE0F965CE44F92E" box="[279,339,1677,1703]" italics="true" pageId="174" pageNumber="175">et al.</emphasis>
2007). This widespread distribution is questioned here. The
<typeStatus id="1D48882FFF2868D1FBD0F964CB99F92F" box="[1063,1166,1676,1702]" pageId="174" pageNumber="175" type="holotype">holotype</typeStatus>
of
<taxonomicName id="05F34D0EFF2868D1FB4FF965CA61F92E" baseAuthorityName="Holman &amp; Watling" baseAuthorityYear="1983" box="[1208,1398,1677,1703]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="174" pageNumber="175" phylum="Arthropoda" rank="species" species="schellenbergi">
<emphasis id="F087EA9FFF2868D1FB4FF965CA61F92E" box="[1208,1398,1677,1703]" italics="true" pageId="174" pageNumber="175">A. schellenbergi</emphasis>
</taxonomicName>
was collected north of the Antarctic Polar Front and north of the line joining the
<collectingCountry id="BAE4761DFF2868D1FB64F958CA41F943" box="[1171,1366,1712,1738]" name="Falkland Islands" pageId="174" pageNumber="175">Falkland Islands</collectingCountry>
to
<collectingCountry id="BAE4761DFF2868D1FF4AF93CCE7FF967" box="[189,360,1748,1774]" name="South Georgia and the South Sandwich Islands" pageId="174" pageNumber="175">South Georgia</collectingCountry>
, at
<quantity id="050B9B68FF2868D1FE7AF93CCEFFF966" box="[397,488,1748,1775]" metricMagnitude="3" metricUnit="m" metricValue="2.675" pageId="174" pageNumber="175" unit="m" value="2675.0">2675 m</quantity>
. Its telson is more deeply cleft than in similar
<taxonomicName id="05F34D0EFF2868D1FC00F93DCB9AF966" authorityName="Chevreux, 1911:" authorityYear="1167" box="[1015,1165,1749,1775]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="174" pageNumber="175" phylum="Arthropoda" rank="genus">
<emphasis id="F087EA9FFF2868D1FC00F93DCB9AF966" box="[1015,1165,1749,1775]" italics="true" pageId="174" pageNumber="175">Alexandrella</emphasis>
</taxonomicName>
specimens from the continental shelf of the South Shetland Islands and the tip of the Antarctic Peninsula. This telson character state is consistent with the specimens illustrated in literature (
<bibRefCitation id="A6624B7CFF2868D1FC6EF8F5CBD4F8BE" author="Holman &amp; Watling" box="[921,1219,1821,1847]" firstAuthor="Holman" pageId="174" pageNumber="175" 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>
,
<bibRefCitation id="A6624B7CFF2868D1FB26F8F5CFEEF8D2" author="Ren &amp; Huang" firstAuthor="Ren" pageId="174" pageNumber="175" pagination="185 - 323" refId="ref143845" refString="Ren X. &amp; Huang L. 1991. Studies on Gammaridea and Caprellidea (Crustacea: Amphipoda) from the northwest waters off the Antarctic Peninsula. Studia Marina Sinica 32: 185 - 323." type="journal article" year="1991">Ren &amp; Huang 1991</bibRefCitation>
) and examined by us. On the poor quality photograph given by
<bibRefCitation id="A6624B7CFF2868D1FC10F8A9CBC0F8D2" author="Schellenberg" box="[999,1239,1857,1883]" firstAuthor="Schellenberg" pageId="174" pageNumber="175" pagination="1 - 290" refId="ref144488" refString="Schellenberg A. 1931. Gammariden und Caprelliden des Magellangebietes, Sudgeorgiens und der Westantarktis. Further zoological results of the Swedish Antarctic Expedition 1901 - 1903 2 (6): 1 - 290, pl. 1." type="journal article" year="1931">Schellenberg (1931)</bibRefCitation>
, the posterior pereiopods also appear more slender than in the forms of the Antarctic continental shelf; however, this might be an illusion created by the possibly not flattened orientation of the legs on the picture. The telson difference, the geographical wide separation and the bathymetric differences suggest that two species are involved. The name
<taxonomicName id="05F34D0EFF2868D1FE22F839CB06F862" authority="Ren in Ren &amp; Huang, 1991" authorityName="Ren in Ren &amp; Huang" authorityYear="1991" box="[469,1041,2001,2027]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="174" pageNumber="175" phylum="Arthropoda" rank="species" species="pulchra">
<emphasis id="F087EA9FFF2868D1FE22F839CDDAF862" box="[469,717,2001,2027]" italics="true" pageId="174" pageNumber="175">Alexandrella pulchra</emphasis>
Ren
<emphasis id="F087EA9FFF2868D1FCFDF83ACC36F862" box="[778,801,2002,2027]" italics="true" pageId="174" pageNumber="175">in</emphasis>
<bibRefCitation id="A6624B7CFF2868D1FCD0F839CB06F862" author="Ren &amp; Huang" box="[807,1041,2001,2027]" firstAuthor="Ren" pageId="174" pageNumber="175" pagination="185 - 323" refId="ref143845" refString="Ren X. &amp; Huang L. 1991. Studies on Gammaridea and Caprellidea (Crustacea: Amphipoda) from the northwest waters off the Antarctic Peninsula. Studia Marina Sinica 32: 185 - 323." type="journal article" year="1991">Ren &amp; Huang, 1991</bibRefCitation>
</taxonomicName>
is available for the form of the South Shetland Islands and the tip of the Antarctic Peninsula, and it is herein resurrected for them. All topotypical shelf specimens of
<taxonomicName id="05F34D0EFF2968D0FDD1FEDACC09FEC5" authorityName="Ren in Ren &amp; Huang" authorityYear="1991" box="[550,798,306,332]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="175" pageNumber="176" phylum="Arthropoda" rank="species" species="pulchra">
<emphasis id="F087EA9FFF2968D0FDD1FEDACC09FEC5" box="[550,798,306,332]" italics="true" pageId="175" pageNumber="176">Alexandrella pulchra</emphasis>
</taxonomicName>
examined by us were devoid of posterodorsal tooth on pereionite 6. However, specimens similar to
<taxonomicName id="05F34D0EFF2968D0FD1DFEB1CCBFFEFA" baseAuthorityName="Holman &amp; Watling" baseAuthorityYear="1983" box="[746,936,345,371]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="175" pageNumber="176" phylum="Arthropoda" rank="species" species="schellenbergi">
<emphasis id="F087EA9FFF2968D0FD1DFEB1CCBFFEFA" box="[746,936,345,371]" italics="true" pageId="175" pageNumber="176">A. schellenbergi</emphasis>
</taxonomicName>
with a tooth on pereionite 6 are present in the Ross Sea (
<bibRefCitation id="A6624B7CFF2968D0FE72FE68CDCAFE13" author="Holman &amp; Watling" box="[389,733,384,410]" firstAuthor="Holman" pageId="175" pageNumber="176" 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: 49</bibRefCitation>
, fig. 10a), off Adélie Coast (present material) and in the Atlantic sector of the Southern Ocean (
<bibRefCitation id="A6624B7CFF2968D0FD7CFE4ECCA4FE48" author="Rauschert &amp; Arntz" box="[651,947,422,449]" firstAuthor="Rauschert" pageId="175" pageNumber="176" refId="ref143760" refString="Rauschert M. &amp; Arntz W. E. 2015. Antarctic Macrobenthos. A Field Guide of the Invertebrates Living at the Antarctic Seafloor: Arntz &amp; Rauschert Selbstverlag, Deichweg." type="book" year="2015">Rauschert &amp; Arntz 2015</bibRefCitation>
). They are treated herein as a separate taxon:
<taxonomicName id="05F34D0EFF2968D0FEF9FE25CEB3FE6E" authorityName="Chevreux, 1911:" authorityYear="1167" box="[270,420,461,487]" class="Malacostraca" family="Stilipedidae" genus="Alexandrella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="175" pageNumber="176" phylum="Arthropoda" rank="genus">
<emphasis id="F087EA9FFF2968D0FEF9FE25CEB3FE6E" box="[270,420,461,487]" italics="true" pageId="175" pageNumber="176">Alexandrella</emphasis>
</taxonomicName>
sp. 1.
</paragraph>
</subSubSection>
</treatment>
</document>