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<document id="4EE8888EF90349F3113FC04BAF8F5CA2" ID-CLB-Dataset="8297" ID-DOI="10.11646/zootaxa.4921.1.1" ID-GBIF-Dataset="6f7c2191-a210-4685-98f6-7a90241131df" ID-ISSN="1175-5326" ID-Zenodo-Dep="4496015" ID-ZooBank="2A77E821-52F4-450C-8964-7928D36C0906" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1612329124618" checkinUser="plazi" docAuthor="Conlan, Kathleen E." docDate="2021" docId="03DFE565EA40D454FF133270D0F8FF10" docLanguage="en" docName="zootaxa.4921.1.1.pdf" docOrigin="Zootaxa 4921 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.14:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="14" docTitle="Ischyrocerini Kroyer 1838" docType="treatment" docVersion="6" lastPageNumber="62" masterDocId="FFE69D1DEA7CD46AFF843708D564FFDA" masterDocTitle="New genera for species of Jassa Leach (Crustacea: Amphipoda) and their relationship to a revised Ischyrocerini" masterLastPageNumber="72" masterPageNumber="1" pageNumber="61" updateTime="1698926504305" updateUser="ExternalLinkService">
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<mods:title id="6B35A8DB74222756E2F3528639456DF7">New genera for species of Jassa Leach (Crustacea: Amphipoda) and their relationship to a revised Ischyrocerini</mods:title>
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<mods:namePart id="DEF06556F575B045AB10853E01BC51FC">Conlan, Kathleen E.</mods:namePart>
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<mods:date id="B3FD97B9061A5377B4981338658AFFC3">2021</mods:date>
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<mods:identifier id="4D9778F27940DCE0816548E931394AD3" type="DOI">10.11646/zootaxa.4921.1.1</mods:identifier>
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<treatment id="03DFE565EA40D454FF133270D0F8FF10" ID-DOI="http://doi.org/10.5281/zenodo.4534341" ID-GBIF-Taxon="177318895" ID-Zenodo-Dep="4534341" LSID="urn:lsid:plazi:treatment:03DFE565EA40D454FF133270D0F8FF10" httpUri="http://treatment.plazi.org/id/03DFE565EA40D454FF133270D0F8FF10" lastPageId="62" lastPageNumber="62" pageId="60" pageNumber="61">
<subSubSection id="C36C07F8EA40D456FF133270D725FA4B" box="[151,577,1399,1426]" pageId="60" pageNumber="61" type="nomenclature">
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<emphasis id="B9028861EA40D456FF133270D725FA4B" bold="true" box="[151,577,1399,1426]" pageId="60" pageNumber="61">
Key to genera of the
<taxonomicName id="4C762FF0EA40D456FE1F327FD725FA4B" ID-CoL="7ZJPJ" authorityName="Kroyer" authorityYear="1838" box="[411,577,1399,1425]" class="Malacostraca" family="Ischyroceridae" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="tribe" tribe="Ischyrocerini">Ischyrocerini</taxonomicName>
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<paragraph id="8BC95473EA40D456FF1332BED0F8FA11" blockId="60.[151,1436,1462,2041]" box="[151,1436,1462,1484]" pageId="60" pageNumber="61">
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1 Urosome 1 bearing 3 dorsal teeth or cusps (
<figureCitation id="134D48F6EA40D456FD0032BED7B0FA16" box="[644,724,1462,1484]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35a</figureCitation>
)..................................
<taxonomicName id="4C762FF0EA40D456FBFE32BED0F8FA11" authority="Stephensen, 1944" authorityName="Stephensen" authorityYear="1944" box="[1146,1436,1462,1484]" class="Malacostraca" family="Corophiidae" genus="Bathyphotis" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA40D456FBFE32BED189FA11" box="[1146,1261,1462,1483]" italics="true" pageId="60" pageNumber="61">Bathyphotis</emphasis>
<bibRefCitation id="EFE72982EA40D456FB7732BED0F8FA11" author="Stephensen, K." box="[1267,1436,1462,1484]" pageId="60" pageNumber="61" pagination="1 - 51" refId="ref42820" refString="Stephensen, K. (1944) Crustacea Malacostraca. VIII. (Amphipoda IV). Danish Ingolf Expedition, 3 (13), 1 - 51." type="journal article" year="1944">Stephensen, 1944</bibRefCitation>
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<paragraph id="8BC95473EA40D456FF1332DCD0F8FA32" blockId="60.[151,1436,1462,2041]" box="[151,1436,1491,1513]" pageId="60" pageNumber="61">
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– Urosome 1 without dorsal teeth although there may be a pair of short setae (
<figureCitation id="134D48F6EA40D456FC3832DBD16AFA33" box="[956,1038,1491,1513]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35b</figureCitation>
)............................... 2
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<keyStep id="30824CD6EA40D456FF1332F9D0F8F99A" pageId="60" pageNumber="61">
<paragraph id="8BC95473EA40D456FF1332F9D0F8F9F9" blockId="60.[151,1436,1462,2041]" pageId="60" pageNumber="61">
<keyLead id="3087F746EA40D456FF1332F9D0F8F9F9" pageId="60" pageNumber="61">
2 Pereopods 5–7, ischium posteriorly winged (
<figureCitation id="134D48F6EA40D456FD1432F8D784F9DC" box="[656,736,1520,1542]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35c</figureCitation>
). Uropod 3 uniramous, ramus ending in a cluster of spines (
<figureCitation id="134D48F6EA40D456FAA432F8D015F9DC" box="[1312,1393,1520,1542]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35e</figureCitation>
)..................................................................................
<taxonomicName id="4C762FF0EA40D456FB343106D0F8F9F9" ID-CoL="7NNG8" authority="Conlan, 2007" authorityName="Conlan" authorityYear="2007" box="[1200,1436,1550,1572]" class="Malacostraca" family="Ischyroceridae" genus="Alatajassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA40D456FB343106D071F9F9" box="[1200,1301,1550,1571]" italics="true" pageId="60" pageNumber="61">Alatajassa</emphasis>
<bibRefCitation id="EFE72982EA40D456FA9F3106D0F8F9F9" author="Conlan, K. E." box="[1307,1436,1550,1572]" pageId="60" pageNumber="61" pagination="1339 - 1354" refId="ref38971" refString="Conlan, K. E. (2007) Alatajassa (Amphipoda, Corophiidea), a new genus from the Pacific coast of North America. Crustaceana, 2007, 1339 - 1354. https: // doi. org / 10.1163 / 156854007782605574" type="journal article" year="2007">Conlan, 2007</bibRefCitation>
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<paragraph id="8BC95473EA40D456FF133124D0F8F99A" blockId="60.[151,1436,1462,2041]" box="[151,1436,1579,1601]" pageId="60" pageNumber="61">
<keyLead id="3087F746EA40D456FF133124D0F8F99A" box="[151,1436,1579,1601]" pageId="60" pageNumber="61">
– Pereopods 5–7, ischium not posteriorly winged (
<figureCitation id="134D48F6EA40D456FD2F3123D79AF99B" box="[683,766,1579,1601]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35d</figureCitation>
). Uropod 3 biramous (
<figureCitation id="134D48F6EA40D456FC563123D17AF99B" box="[978,1054,1579,1601]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35f</figureCitation>
)...............................3
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<keyStep id="30824CD6EA40D456FF133141D0F8F9A1" pageId="60" pageNumber="61">
<paragraph id="8BC95473EA40D456FF133141D0F8F984" blockId="60.[151,1436,1462,2041]" box="[151,1436,1608,1630]" pageId="60" pageNumber="61">
<keyLead id="3087F746EA40D456FF133141D0F8F984" box="[151,1436,1608,1630]" pageId="60" pageNumber="61">
3 Pereopods 3–4, propodus prehensile (
<figureCitation id="134D48F6EA40D456FDC03140D7F0F984" box="[580,660,1608,1630]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">
Fig.
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).........................................
<taxonomicName id="4C762FF0EA40D456FBFB3141D0F8F984" ID-CoL="7PLQ6" authority="K. H. Barnard, 1916" authorityName="K. H. Barnard" authorityYear="1916" box="[1151,1436,1608,1630]" class="Malacostraca" family="Ischyroceridae" genus="Isaeopsis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA40D456FBFB3141D1BCF984" box="[1151,1240,1609,1630]" italics="true" pageId="60" pageNumber="61">Isaeopsis</emphasis>
K.H.
<bibRefCitation id="EFE72982EA40D456FA973140D0F8F984" author="Barnard, K. H." box="[1299,1436,1608,1630]" pageId="60" pageNumber="61" pagination="105 - 302" refId="ref37808" refString="Barnard, K. H. (1916) Contributions to the crustacean fauna of South Africa. 5. The Amphipoda. Annals of the South African Museum, 15 (3), 105 - 302. https: // doi. org / 10.5962 / bhl. title. 10646" type="journal article" year="1916">Barnard, 1916</bibRefCitation>
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<paragraph id="8BC95473EA40D456FF13316ED0F8F9A1" blockId="60.[151,1436,1462,2041]" box="[151,1436,1638,1660]" pageId="60" pageNumber="61">
<keyLead id="3087F746EA40D456FF13316ED0F8F9A1" box="[151,1436,1638,1660]" pageId="60" pageNumber="61">
– Pereopods 3–4, propodus rectangular or oval and not expanded distally (
<figureCitation id="134D48F6EA40D456FC08316ED6B9F9A6" box="[908,989,1638,1660]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35h</figureCitation>
).....................................4
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<keyLead id="3087F746EA40D456FF13318BD0F8F943" box="[151,1436,1667,1689]" pageId="60" pageNumber="61">
4 Coxa 4 posteriorly excavate (
<figureCitation id="134D48F6EA40D456FE72318BD725F943" box="[502,577,1667,1689]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35i</figureCitation>
)........................................................................5
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</paragraph>
<paragraph id="8BC95473EA40D456FF1331A9D0F8F96C" blockId="60.[151,1436,1462,2041]" box="[151,1436,1696,1718]" pageId="60" pageNumber="61">
<keyLead id="3087F746EA40D456FF1331A9D0F8F96C" box="[151,1436,1696,1718]" pageId="60" pageNumber="61">
– Coxa 4 not posteriorly excavate (though it may be shallowly concave) (
<figureCitation id="134D48F6EA40D456FC0731A8D6AAF96C" box="[899,974,1696,1718]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35j</figureCitation>
)......................................7
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<keyLead id="3087F746EA40D456FF1331B6D0F8F92B" pageId="60" pageNumber="61">
5 Gnathopod 1, carpus longer than the propodus (carpus:propodus length ~125%). Gnathopod 2, female, propodus massive, length ~175% the length of the propodus of gnathopod 1, palm toothed (
<figureCitation id="134D48F6EA40D456FCCF31D3D6F8F92B" box="[843,924,1755,1777]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35k</figureCitation>
).............
<taxonomicName id="4C762FF0EA40D456FBCC31D4D0F8F92B" ID-CoL="7Q69M" authority="Vader and Myers, 1996" authorityName="Vader and Myers" authorityYear="1996" box="[1096,1436,1755,1777]" class="Malacostraca" family="Ischyroceridae" genus="Veronajassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA40D456FBCC31D4D1DFF92B" box="[1096,1211,1756,1777]" italics="true" pageId="60" pageNumber="61">Veronajassa</emphasis>
<bibRefCitation id="EFE72982EA40D456FB4431D3D0F8F92B" author="Vader, W. &amp; Myers, A. A." box="[1216,1436,1755,1777]" pageId="60" pageNumber="61" pagination="263 - 292" refId="ref43237" refString="Vader, W. &amp; Myers, A. A. (1996) Amphipods living in association with hermit crabs in SE Australia. I. Five new Ischyroceridae. Bollettino del Museo Civico di Storia Naturale di Verona, 20, 263 - 292." type="journal article" year="1996">Vader and Myers, 1996</bibRefCitation>
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– Gnathopod 1, carpus subequal to or shorter than the propodus (carpus: propodus length ~45–95%). Gnathopod 2, female, propodus not massive, length ~125% the length of the propodus of gnathopod 1, palm not toothed (
<figureCitation id="134D48F6EA40D456FBD6301ED1F9F8F6" box="[1106,1181,1814,1836]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="60" pageNumber="61">Fig. 35l</figureCitation>
)....................6
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<paragraph id="8BC95473EA40D456FF13303BD0F8F859" blockId="60.[151,1436,1462,2041]" pageId="60" pageNumber="61">
<keyLead id="3087F746EA40D456FF13303BD0F8F859" pageId="60" pageNumber="61">
6 Eyes absent. Maxilla 1, inner plate with a long apical seta (
<figureCitation id="134D48F6EA40D456FC96303BD607F893" box="[786,867,1843,1865]" captionStart="FIGURE 36" captionStartId="63.[151,250,1665,1689]" captionTargetBox="[160,1424,713,1631]" captionTargetId="figure-270@63.[151,1436,705,1641]" captionTargetPageId="63" captionText="FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496095" httpUri="https://zenodo.org/record/4496095/files/figure.png" pageId="60" pageNumber="61">Fig. 36a</figureCitation>
). Coxa 1 more than half the depth of coxae 2–4. Gnathopod 1, carpus length ~95% the length of the propodus; propodus, palm shallowly excavate (
<figureCitation id="134D48F6EA40D456FB933058D1E5F8BC" box="[1047,1153,1872,1894]" captionStart="FIGURE 36" captionStartId="63.[151,250,1665,1689]" captionTargetBox="[160,1424,713,1631]" captionTargetId="figure-270@63.[151,1436,705,1641]" captionTargetPageId="63" captionText="FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496095" httpUri="https://zenodo.org/record/4496095/files/figure.png" pageId="60" pageNumber="61">Figs 36c, d</figureCitation>
).................................................................................................
<taxonomicName id="4C762FF0EA40D456FBB33066D0F8F859" ID-CoL="7PPLT" authority="Souza-Filho &amp; Serejo, 2014" authorityName="Souza-Filho &amp; Serejo" authorityYear="2014" box="[1079,1436,1902,1924]" class="Malacostraca" family="Ischyroceridae" genus="Myersius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA40D456FBB33066D1EAF859" box="[1079,1166,1902,1923]" italics="true" pageId="60" pageNumber="61">Myersius</emphasis>
<bibRefCitation id="EFE72982EA40D456FB103066D0F8F859" author="Souza-Filho, J. F. &amp; Serejo, C. S." box="[1172,1436,1902,1924]" pageId="60" pageNumber="61" pagination="34 - 85" refId="ref42556" refString="Souza-Filho, J. F. &amp; Serejo, C. S. (2014) On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters. Zoological Journal of the Linnean Society, 170, 34 - 85. https: // doi. org / 10.1111 / zoj. 12099" type="journal article" year="2014">Souza-Filho &amp; Serejo, 2014</bibRefCitation>
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– Eyes present. Maxilla 1, inner plate without a long apical seta (
<figureCitation id="134D48F6EA40D456FCC53083D6F1F87B" box="[833,917,1931,1953]" captionStart="FIGURE 36" captionStartId="63.[151,250,1665,1689]" captionTargetBox="[160,1424,713,1631]" captionTargetId="figure-270@63.[151,1436,705,1641]" captionTargetPageId="63" captionText="FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496095" httpUri="https://zenodo.org/record/4496095/files/figure.png" pageId="60" pageNumber="61">Fig. 36b</figureCitation>
). Coxa 1 ± half the depth of coxae 2–4. Gnathopod 1, carpus length ~45–50% the length of the propodus; propodus, palm convex (
<figureCitation id="134D48F6EA40D456FC3030A0D17EF864" box="[948,1050,1960,1982]" captionStart="FIGURE 36" captionStartId="63.[151,250,1665,1689]" captionTargetBox="[160,1424,713,1631]" captionTargetId="figure-270@63.[151,1436,705,1641]" captionTargetPageId="63" captionText="FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496095" httpUri="https://zenodo.org/record/4496095/files/figure.png" pageId="60" pageNumber="61">Figs 36e, f</figureCitation>
)...........
<taxonomicName id="4C762FF0EA40D456FB1A30A1D0F8F864" ID-CoL="7PJ8T" authority="Stebbing, 1899" authorityName="Stebbing" authorityYear="1899" box="[1182,1436,1960,1982]" class="Malacostraca" family="Ischyroceridae" genus="Microjassa" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA40D456FB1A30A1D063F864" box="[1182,1287,1961,1982]" italics="true" pageId="60" pageNumber="61">Microjassa</emphasis>
<bibRefCitation id="EFE72982EA40D456FA8930A0D0F8F864" author="Stebbing, T. R. R." box="[1293,1436,1960,1982]" pageId="60" pageNumber="61" pagination="205 - 211" refId="ref42715" refString="Stebbing, T. R. R. (1899) Revision of Amphipoda (continued). Annals and Magazine of Natural History, 4 (21), 205 - 211. https: // doi. org / 10.1080 / 00222939908678185" type="journal article" year="1899">Stebbing, 1899</bibRefCitation>
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7 Gnathopod 1, carpus ~100% the length of the propodus. Pereopods 3 and 4, dactyl ~175% the length of the propodus (
<figureCitation id="134D48F6EA40D456FABA30CED0EAF806" box="[1342,1422,1990,2012]" captionStart="FIGURE 36" captionStartId="63.[151,250,1665,1689]" captionTargetBox="[160,1424,713,1631]" captionTargetId="figure-270@63.[151,1436,705,1641]" captionTargetPageId="63" captionText="FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496095" httpUri="https://zenodo.org/record/4496095/files/figure.png" pageId="60" pageNumber="61">
Fig.
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)................................................................................
<taxonomicName id="4C762FF0EA40D456FBFB30EBD0F8F823" ID-CoL="7PZ93" authority="Myers, 1995" authorityName="Myers" authorityYear="1995" box="[1151,1436,2019,2041]" class="Malacostraca" family="Ischyroceridae" genus="Scutischyrocerus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA40D456FBFB30EBD07BF822" box="[1151,1311,2019,2040]" italics="true" pageId="60" pageNumber="61">Scutischyrocerus</emphasis>
<bibRefCitation id="EFE72982EA40D456FAA130ECD0F8F823" author="Myers, A. A." box="[1317,1436,2019,2041]" pageId="60" pageNumber="61" pagination="25 - 95" refId="ref41289" refString="Myers, A. A. (1995) The Amphipoda (Crustacea) of Madang Lagoon: Aoridae, Isaeidae, Ischyroceridae and Neomegamphopidae. Records of the Australian Museum Supplement, 22, 25 - 95. https: // doi. org / 10.3853 / j. 0812 - 7387.22.1995.121" type="journal article" year="1995">Myers, 1995</bibRefCitation>
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– Gnathopod 1, carpus shorter than the propodus. Pereopods 3 and 4, dactyl ±90% the length of the propodus (
<figureCitation id="134D48F6EA41D457FB65379FD055FF77" box="[1249,1329,151,173]" captionStart="FIGURE 36" captionStartId="63.[151,250,1665,1689]" captionTargetBox="[160,1424,713,1631]" captionTargetId="figure-270@63.[151,1436,705,1641]" captionTargetPageId="63" captionText="FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496095" httpUri="https://zenodo.org/record/4496095/files/figure.png" pageId="61" pageNumber="62">Fig. 36h</figureCitation>
)........8
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<paragraph id="8BC95473EA41D457FF1337BDD0F8FF10" blockId="61.[151,1437,151,1435]" box="[151,1436,181,203]" pageId="61" pageNumber="62">
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8 Uropod 3 with a cluster of distolateral setae beside the outer ramus (
<figureCitation id="134D48F6EA41D457FCE737BDD6D5FF11" box="[867,945,181,203]" captionStart="FIGURE 36" captionStartId="63.[151,250,1665,1689]" captionTargetBox="[160,1424,713,1631]" captionTargetId="figure-270@63.[151,1436,705,1641]" captionTargetPageId="63" captionText="FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496095" httpUri="https://zenodo.org/record/4496095/files/figure.png" pageId="61" pageNumber="62">Fig. 36i</figureCitation>
).
<taxonomicName id="4C762FF0EA41D457FC4537BDD692FF10" ID-CoL="7P7HW" authorityName="Leach" authorityYear="1814" box="[961,1014,181,202]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA41D457FC4537BDD692FF10" box="[961,1014,181,202]" italics="true" pageId="61" pageNumber="62">Jassa</emphasis>
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group..............................9
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</paragraph>
<paragraph id="8BC95473EA41D457FF1337DBD0F8FF3D" blockId="61.[151,1437,151,1435]" box="[151,1436,210,232]" pageId="61" pageNumber="62">
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– Uropod 3 without a cluster of distolateral setae beside the outer ramus
<figureCitation id="134D48F6EA41D457FCFF37DAD6A1FF32" box="[891,965,210,232]" captionStart="FIGURE 36" captionStartId="63.[151,250,1665,1689]" captionTargetBox="[160,1424,713,1631]" captionTargetId="figure-270@63.[151,1436,705,1641]" captionTargetPageId="63" captionText="FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496095" httpUri="https://zenodo.org/record/4496095/files/figure.png" pageId="61" pageNumber="62">Fig. 36j</figureCitation>
)......................................13
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<paragraph id="8BC95473EA41D457FF1337F8D0F8FEDF" blockId="61.[151,1437,151,1435]" box="[151,1436,239,262]" pageId="61" pageNumber="62">
<keyLead id="3087F746EA41D457FF1337F8D0F8FEDF" box="[151,1436,239,262]" pageId="61" pageNumber="62">
9 Antenna 1, accessory flagellum absent or scale-like (
<figureCitation id="134D48F6EA41D457FD5737E7D646FEDC" box="[723,802,239,262]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">Fig. 37a</figureCitation>
)................................
<taxonomicName id="4C762FF0EA41D457FB2137F8D0F8FEDF" ID-CoL="7PPNP" authority="Stebbing, 1899" authorityName="Stebbing" authorityYear="1899" box="[1189,1436,239,261]" class="Malacostraca" family="Ischyroceridae" genus="Parajassa" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA41D457FB2137F8D061FEDF" box="[1189,1285,240,261]" italics="true" pageId="61" pageNumber="62">Parajassa</emphasis>
<bibRefCitation id="EFE72982EA41D457FA8F37E7D0F8FEDF" author="Stebbing, T. R. R." box="[1291,1436,239,261]" pageId="61" pageNumber="62" pagination="205 - 211" refId="ref42715" refString="Stebbing, T. R. R. (1899) Revision of Amphipoda (continued). Annals and Magazine of Natural History, 4 (21), 205 - 211. https: // doi. org / 10.1080 / 00222939908678185" type="journal article" year="1899">Stebbing, 1899</bibRefCitation>
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</paragraph>
<paragraph id="8BC95473EA41D457FF133605D0F8FEF8" blockId="61.[151,1437,151,1435]" box="[151,1436,269,291]" pageId="61" pageNumber="62">
<keyLead id="3087F746EA41D457FF133605D0F8FEF8" box="[151,1436,269,291]" pageId="61" pageNumber="62">
– Antenna 1, accessory flagellum 2 articles, the second minute (
<figureCitation id="134D48F6EA41D457FCAE3605D61EFEF9" box="[810,890,269,291]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">Fig. 37b</figureCitation>
)............................................10
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<keyStep id="30824CD6EA41D457FF133622D0F8FE08" pageId="61" pageNumber="62">
<paragraph id="8BC95473EA41D457FF133622D0F8FEA0" blockId="61.[151,1437,151,1435]" pageId="61" pageNumber="62">
<keyLead id="3087F746EA41D457FF133622D0F8FEA0" pageId="61" pageNumber="62">
10 Gnathopods and pereopods 3–4 clothed in abundant, long plumose setae (
<figureCitation id="134D48F6EA41D457FC0A3622D6A1FE9A" box="[910,965,298,320]" captionStart="FIGURE 3" captionStartId="10.[151,249,1372,1396]" captionTargetBox="[151,1436,182,1306]" captionTargetId="figure-27@10.[151,1436,181,1312]" captionTargetPageId="10" captionText="FIGURE 3. Plumulojassa ocia (Bate, 1862). Neotype, male 1, 3.5 mm. West side of St. Warna’s Cove, St. Agnes, Scilly Isles, Cornwall, England, 1 August 1973, P. Parslow, coll., NHM 1987:514. Male 2, 3.0 mm and male 3, 3.7 mm, Le Croisic, France, date unknown, E. Chevreux, coll., MNHN Am. 2664. Setae are omitted from the gnathopod 2 profiles of males 2 and 3. All views lateral. Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496023" httpUri="https://zenodo.org/record/4496023/files/figure.png" pageId="61" pageNumber="62">Fig. 3</figureCitation>
). Gnathopod 2, either sex, propodus, palm bearing a central tooth and a second tooth at the palmar angle, with or without a single large spine at the palmar angle (
<figureCitation id="134D48F6EA41D457FB71364FD020FE84" box="[1269,1348,327,350]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">Fig. 37c</figureCitation>
).............................................................................................
<taxonomicName id="4C762FF0EA41D457FB50366DD031FEA0" ID-CoL="8587C" authority="Conlan, 2021" authorityName="Conlan" authorityYear="2021" box="[1236,1365,357,378]" class="Malacostraca" family="Ischyroceridae" genus="Plumulojassa" higherTaxonomySource="CoL" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B9028861EA41D457FB50366DD031FEA0" box="[1236,1365,357,378]" italics="true" pageId="61" pageNumber="62">Plumulojassa</emphasis>
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<emphasis id="B9028861EA41D457FADE366DD0F8FEA0" bold="true" box="[1370,1436,357,378]" pageId="61" pageNumber="62">
<taxonomicNameLabel id="A231351AEA41D457FADE366DD0F8FEA0" box="[1370,1436,357,378]" pageId="61" pageNumber="62" rank="genus">n. gen.</taxonomicNameLabel>
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</paragraph>
<paragraph id="8BC95473EA41D457FF13368BD0F8FE08" blockId="61.[151,1437,151,1435]" pageId="61" pageNumber="62">
<keyLead id="3087F746EA41D457FF13368BD0F8FE08" pageId="61" pageNumber="62">
– Gnathopods and pereopods 3–4, setae simple or finely pectinate except in the palm of the male gnathopod 2 where the setae may be plumose (
<figureCitation id="134D48F6EA41D457FEDE3697D4C6FE6F" box="[346,418,415,437]" captionStart="FIGURE 17" captionStartId="31.[151,249,1825,1849]" captionTargetBox="[176,1432,202,1794]" captionTargetId="figure-24@31.[151,1436,201,1802]" captionTargetPageId="31" captionText="FIGURE 17. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, and paralectotype, male 1, 6.1 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496055" httpUri="https://zenodo.org/record/4496055/files/figure.png" pageId="61" pageNumber="62">Figs 17</figureCitation>
,
<figureCitation id="134D48F6EA41D457FE2836A8D4A2FE6F" box="[428,454,416,437]" captionStart="FIGURE 22" captionStartId="39.[151,249,1823,1847]" captionTargetBox="[165,1424,184,1797]" captionTargetId="figure-15@39.[163,1424,181,1799]" captionTargetPageId="39" captionText="FIGURE 22. Pleojassa moorei n. sp. Holotype, male 1, 4.0 mm (NHM 1987:511), allotype, female 1 (NHM 1987:512), 4.25 mm and paratype, male 2, 3.25 mm. Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244). Male 3, 3.4 mm, male 4, 3.6 mm, male 5, 3.4 mm, and female 2, 4.2 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Most setae are omitted from the gnathopod 2 profiles. Lateral views: whole body, male 3 antenna 1, uropod 3 and gnathopod 2 profiles; dorsal view: uropod 1 and telson; medial views: male 5 antenna 1 and female 2 gnathopod 2. Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496065" httpUri="https://zenodo.org/record/4496065/files/figure.png" pageId="61" pageNumber="62">22</figureCitation>
,
<figureCitation id="134D48F6EA41D457FE4B3697D483FE6F" box="[463,487,415,437]" captionStart="FIGURE 25" captionStartId="44.[151,249,1911,1935]" captionTargetBox="[162,1435,861,1884]" captionTargetId="figure-310@44.[151,1436,849,1888]" captionTargetPageId="44" captionText="FIGURE 25. Pleojassa lowryi n. sp. Holotype, male, 5.3 mm, allotype, female, 4.6 mm and paratypes, male 1, 2.9 mm and male 2, 4.3 mm. Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., AM P.34948, station no. SA-3417. Setae are omitted from the second gnathopod profiles. All views lateral. Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496073" httpUri="https://zenodo.org/record/4496073/files/figure.png" pageId="61" pageNumber="62">25</figureCitation>
and
<figureCitation id="134D48F6EA41D457FD9036A8D732FE6C" box="[532,598,416,438]" captionStart-0="FIGURE 27" captionStart-1="FIGURE 28" captionStart-2="FIGURE 29" captionStartId-0="46.[151,249,1186,1210]" captionStartId-1="48.[151,249,996,1020]" captionStartId-2="49.[151,249,1922,1946]" captionTargetBox-0="[167,1413,187,1157]" captionTargetBox-1="[151,1426,187,972]" captionTargetBox-2="[155,1427,774,1890]" captionTargetId-0="figure-27@46.[164,1423,181,1162]" captionTargetId-1="figure-27@48.[151,1436,181,972]" captionTargetId-2="figure-209@49.[151,1436,766,1898]" captionTargetPageId-0="46" captionTargetPageId-1="48" captionTargetPageId-2="49" captionText-0="FIGURE 27. Pleojassa multidentata (Schellenberg, 1931). Male, 8.0 mm and male 1, 7.4 mm. South Georgia, Swedish Antarctic Expedition (1901–1903), collection date and collector unknown, MfN 22.962. Male 2, paralectotype, 3.7 mm and adult female, lectotype, 7.7 mm. South Georgia, 1883, Deutsche Polar Commission, K. von den Steinen, coll., ZMH K-8028. Setae are omitted from the gnathopod 2 profiles of the male 1 and male 2. All views lateral. Scale 0.1 mm." captionText-1="FIGURE 28. Pleojassa orientalis n. sp. Holotype, adult female, 9.8 mm and male, paratype, ~6.5 mm (full length estimated from comparison with the female as body posterior to segment 4 missing). Southeast corner of Gorilla Head Rock, Macquarie Island, Australia (54°29ʹS, 158°58ʹE), 23 December 1977, J. K. Lowry, coll., AM P.34955, station no. MA-147. Setae are omitted from the male gnathopod 2 profile. All views lateral. Scale 0.1 mm." captionText-2="FIGURE 29. Pleojassa wandeli (Chevreux, 1906). Lectotype, male, 6.0 mm. Ile Booth-Wandel, Antarctica, 10 December 1904, Expédition Antarctique Française (1903–1905), MNHN Am. 2630(1). Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.4496077" figureDoi-1="http://doi.org/10.5281/zenodo.4496079" figureDoi-2="http://doi.org/10.5281/zenodo.4496081" httpUri-0="https://zenodo.org/record/4496077/files/figure.png" httpUri-1="https://zenodo.org/record/4496079/files/figure.png" httpUri-2="https://zenodo.org/record/4496081/files/figure.png" pageId="61" pageNumber="62">27– 29</figureCitation>
). Gnathopod 2, either sex, propodus, palm sinuous, concave or with a pronounced thumb defining the palm proximally, spines if present grouped in triplicate or if single, very small (
<figureCitation id="134D48F6EA41D457FBC736B5D1EDFE09" box="[1091,1161,445,467]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">Figs 37</figureCitation>
d–f)..................11
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<keyStep id="30824CD6EA41D457FF1336D2D0F8FD9D" pageId="61" pageNumber="62">
<paragraph id="8BC95473EA41D457FF1336D2D0F8FDD7" blockId="61.[151,1437,151,1435]" pageId="61" pageNumber="62">
<keyLead id="3087F746EA41D457FF1336D2D0F8FDD7" pageId="61" pageNumber="62">
11 Gnathopods 1 and 2, propodus, palm defined by 1 spine. Gnathopod 2 without a gill. Pereopod 5, carpus with a cluster of spines posterodistally. Pleopods, rami very short, length ± depth of the pleon (
<figureCitation id="134D48F6EA41D457FC0436FFD68FFDD4" box="[896,1003,503,526]" captionStart-0="FIGURE 22" captionStart-1="FIGURE 23" captionStart-2="FIGURE 24" captionStart-3="FIGURE 25" captionStart-4="FIGURE 26" captionStart-5="FIGURE 27" captionStart-6="FIGURE 28" captionStartId-0="39.[151,249,1823,1847]" captionStartId-1="40.[151,249,1894,1918]" captionStartId-2="41.[151,249,1867,1891]" captionStartId-3="44.[151,249,1911,1935]" captionStartId-4="45.[151,249,1138,1162]" captionStartId-5="46.[151,249,1186,1210]" captionStartId-6="48.[151,249,996,1020]" captionTargetBox-0="[165,1424,184,1797]" captionTargetBox-1="[251,1342,191,1857]" captionTargetBox-2="[152,1436,183,1843]" captionTargetBox-3="[162,1435,861,1884]" captionTargetBox-4="[151,1436,181,1113]" captionTargetBox-5="[167,1413,187,1157]" captionTargetBox-6="[151,1426,187,972]" captionTargetId-0="figure-15@39.[163,1424,181,1799]" captionTargetId-1="figure-27@40.[183,1405,181,1870]" captionTargetId-2="figure-15@41.[151,1436,181,1843]" captionTargetId-3="figure-310@44.[151,1436,849,1888]" captionTargetId-4="figure-15@45.[151,1436,181,1113]" captionTargetId-5="figure-27@46.[164,1423,181,1162]" captionTargetId-6="figure-27@48.[151,1436,181,972]" captionTargetPageId-0="39" captionTargetPageId-1="40" captionTargetPageId-2="41" captionTargetPageId-3="44" captionTargetPageId-4="45" captionTargetPageId-5="46" captionTargetPageId-6="48" captionText-0="FIGURE 22. Pleojassa moorei n. sp. Holotype, male 1, 4.0 mm (NHM 1987:511), allotype, female 1 (NHM 1987:512), 4.25 mm and paratype, male 2, 3.25 mm. Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244). Male 3, 3.4 mm, male 4, 3.6 mm, male 5, 3.4 mm, and female 2, 4.2 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Most setae are omitted from the gnathopod 2 profiles. Lateral views: whole body, male 3 antenna 1, uropod 3 and gnathopod 2 profiles; dorsal view: uropod 1 and telson; medial views: male 5 antenna 1 and female 2 gnathopod 2. Scale 0.1 mm." captionText-1="FIGURE 23. Pleojassa moorei n. sp. Variation in antenna 2 article 5 length and gnathopod 2 propodus length relative to body length in males and females from the type collection (Billie Rocks, Signy Island, South Orkney Islands, 4 March 1965, M. H. Thurston, coll., NHM 1969:768:ca. 430, station no. 13(244)). Specimens illustrated in FIGURE 22 are indicated by an arrow. Regression assumptions failed for all plots." captionText-2="FIGURE 24. Pleojassa moorei n. sp. Male 4, 3.6 mm, Billie Rocks, Signy Island, South Orkney Islands, 3 March 1965, M. H. Thurston, coll., CMN IZ1989-013, 1969:771:ca 260 (pt.), station no. 16(333). Mouthparts. Frontal view: upper lip; lateral view: maxilla 1; other views medial. Scale 0.1 mm." captionText-3="FIGURE 25. Pleojassa lowryi n. sp. Holotype, male, 5.3 mm, allotype, female, 4.6 mm and paratypes, male 1, 2.9 mm and male 2, 4.3 mm. Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., AM P.34948, station no. SA-3417. Setae are omitted from the second gnathopod profiles. All views lateral. Scale 0.1 mm." captionText-4="FIGURE 26. Pleojassa lowryi n. sp. Variation in gnathopod 2 propodus length relative to body length in males and females from the type collection (Rima Islet, The Snares, New Zealand, 21 November 1976, G. D. Fenwick, coll., Am P.34948, station no. SA- 3417). Second gnathopods illustrated in FIGURE 25 are indicated by an arrow. Regression assumptions failed for all plots." captionText-5="FIGURE 27. Pleojassa multidentata (Schellenberg, 1931). Male, 8.0 mm and male 1, 7.4 mm. South Georgia, Swedish Antarctic Expedition (1901–1903), collection date and collector unknown, MfN 22.962. Male 2, paralectotype, 3.7 mm and adult female, lectotype, 7.7 mm. South Georgia, 1883, Deutsche Polar Commission, K. von den Steinen, coll., ZMH K-8028. Setae are omitted from the gnathopod 2 profiles of the male 1 and male 2. All views lateral. Scale 0.1 mm." captionText-6="FIGURE 28. Pleojassa orientalis n. sp. Holotype, adult female, 9.8 mm and male, paratype, ~6.5 mm (full length estimated from comparison with the female as body posterior to segment 4 missing). Southeast corner of Gorilla Head Rock, Macquarie Island, Australia (54°29ʹS, 158°58ʹE), 23 December 1977, J. K. Lowry, coll., AM P.34955, station no. MA-147. Setae are omitted from the male gnathopod 2 profile. All views lateral. Scale 0.1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.4496065" figureDoi-1="http://doi.org/10.5281/zenodo.4496067" figureDoi-2="http://doi.org/10.5281/zenodo.4496069" figureDoi-3="http://doi.org/10.5281/zenodo.4496073" figureDoi-4="http://doi.org/10.5281/zenodo.4496075" figureDoi-5="http://doi.org/10.5281/zenodo.4496077" figureDoi-6="http://doi.org/10.5281/zenodo.4496079" httpUri-0="https://zenodo.org/record/4496065/files/figure.png" httpUri-1="https://zenodo.org/record/4496067/files/figure.png" httpUri-2="https://zenodo.org/record/4496069/files/figure.png" httpUri-3="https://zenodo.org/record/4496073/files/figure.png" httpUri-4="https://zenodo.org/record/4496075/files/figure.png" httpUri-5="https://zenodo.org/record/4496077/files/figure.png" httpUri-6="https://zenodo.org/record/4496079/files/figure.png" pageId="61" pageNumber="62">Figs 22–28</figureCitation>
).......................
<taxonomicName id="4C762FF0EA41D457FB7D36FFD031FDD6" ID-CoL="8587B" authority="Conlan, 2021" authorityName="Conlan" authorityYear="2021" box="[1273,1365,503,524]" class="Malacostraca" family="Ischyroceridae" genus="Pleojassa" higherTaxonomySource="CoL" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus" status="gen. nov.">
<emphasis id="B9028861EA41D457FB7D36FFD031FDD6" box="[1273,1365,503,524]" italics="true" pageId="61" pageNumber="62">Pleojassa</emphasis>
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<emphasis id="B9028861EA41D457FADE36F0D0F8FDD7" bold="true" box="[1370,1436,504,525]" pageId="61" pageNumber="62">
<taxonomicNameLabel id="A231351AEA41D457FADE36F0D0F8FDD7" box="[1370,1436,504,525]" pageId="61" pageNumber="62" rank="genus">n. gen.</taxonomicNameLabel>
</emphasis>
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</paragraph>
<paragraph id="8BC95473EA41D457FF13351DD0F8FD9D" blockId="61.[151,1437,151,1435]" pageId="61" pageNumber="62">
<keyLead id="3087F746EA41D457FF13351DD0F8FD9D" pageId="61" pageNumber="62">
– Gnathopods 1 and 2, propodus, palm defined by multiple spines (usually 3–4). Gnathopod 2 with a gill. Pereopod 5, carpus not spinose posterodistally. Pleopods, rami long, length&gt; depth of the pleon (
<figureCitation id="134D48F6EA41D457FC1C353AD6B8FD92" box="[920,988,562,584]" captionStart="FIGURE 17" captionStartId="31.[151,249,1825,1849]" captionTargetBox="[176,1432,202,1794]" captionTargetId="figure-24@31.[151,1436,201,1802]" captionTargetPageId="31" captionText="FIGURE 17. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, and paralectotype, male 1, 6.1 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496055" httpUri="https://zenodo.org/record/4496055/files/figure.png" pageId="61" pageNumber="62">Fig. 17</figureCitation>
)....................................12
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<keyStep id="30824CD6EA41D457FF133558D0F8FCE8" pageId="61" pageNumber="62">
<paragraph id="8BC95473EA41D457FF133558D0F8FD67" blockId="61.[151,1437,151,1435]" pageId="61" pageNumber="62">
<keyLead id="3087F746EA41D457FF133558D0F8FD67" pageId="61" pageNumber="62">
12 Gnathopod 2, propodus, both sexes producing a thumb at adulthood, palmar defining spines, if present, at the thumb tip (
<figureCitation id="134D48F6EA41D457FAC53547D0F5FDBC" box="[1345,1425,591,614]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">Fig. 37e</figureCitation>
), juvenile palm sinuous, without a thumb; pereopods 3 and 4, carpus &lt;25% overlapped by the merus; uropod 3, outer ramus with many minute cusps proximal of the dorsally recurved terminal spine but without additional larger cusps (
<figureCitation id="134D48F6EA41D457FB393582D04DFD7A" box="[1213,1321,650,672]" captionStart-0="FIGURE 17" captionStart-1="FIGURE 18" captionStart-2="FIGURE 19" captionStart-3="FIGURE 20" captionStart-4="FIGURE 21" captionStartId-0="31.[151,249,1825,1849]" captionStartId-1="32.[151,249,1911,1935]" captionStartId-2="33.[151,249,1943,1967]" captionStartId-3="34.[151,249,1118,1142]" captionStartId-4="35.[151,249,1621,1645]" captionTargetBox-0="[176,1432,202,1794]" captionTargetBox-1="[155,1425,182,1885]" captionTargetBox-2="[239,1349,181,1919]" captionTargetBox-3="[158,1429,181,1094]" captionTargetBox-4="[172,1418,190,1586]" captionTargetId-0="figure-24@31.[151,1436,201,1802]" captionTargetId-1="figure-27@32.[151,1435,181,1887]" captionTargetId-2="figure-15@33.[239,1349,181,1919]" captionTargetId-3="figure-27@34.[158,1429,181,1094]" captionTargetId-4="figure-15@35.[158,1430,181,1598]" captionTargetPageId-0="31" captionTargetPageId-1="32" captionTargetPageId-2="33" captionTargetPageId-3="34" captionTargetPageId-4="35" captionText-0="FIGURE 17. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, and paralectotype, male 1, 6.1 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Lateral view: whole body; dorsal view: telson; other views medial. Scale 0.1 mm." captionText-1="FIGURE 18. Hemijassa goniamera (Walker, 1903). Paralectotype, adult female, 19.9 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. All views medial. Scale 0.1 mm." captionText-2="FIGURE 19. Hemijassa goniamera (Walker, 1903). Variation in gnathopod 2 thumb length and propodus length relative to body length in males and females from a single population (Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515). Types illustrated in Figs 17 and 18 are indicated by an arrow." captionText-3="FIGURE 20. Hemijassa goniamera (Walker, 1903). Variation in setation of antenna 2 and shape of the gnathopod 2 palm in three males. A, D: male, 22 mm, Weddell Sea off Kapp Norvegia, Polarstern EASIZ II Expedition (Ant. XV/3), Stn. 049, IG28520, 30 January 1998, Agassiz trawl beginning at 246 m depth, 70.0145°S, 10.00806°W, C. De Broyer and Y. Scailteur, coll. (RBINS). B, E: male, 21 mm, Weddell Sea off Kapp Norvegia, Polarstern EASIZ II Expedition (Ant. XV/3), Stn. 062, IG28252, 31 January 1998, Agassiz trawl beginning at 248 m depth, 70.01461°S, 10.00794°W, C. De Broyer and Y. Scailteur, coll. (RBINS). C, F: male, 22 mm, Stn. 062. IG28252. All views lateral. Scale 1 mm." captionText-4="FIGURE 21. Hemijassa goniamera (Walker, 1903). Lectotype, male, 18.3 mm, Cape Adare, McMurdo Sound, Ross Sea, Antarctica, 10, 14 and 26 November 1899, Southern Cross Expedition, NHM 1987:515. Mouthparts. Frontal view: upper lip; lateral view: left mandible with palp; other views medial. Scale 0.1 mm." figureDoi-0="http://doi.org/10.5281/zenodo.4496055" figureDoi-1="http://doi.org/10.5281/zenodo.4496057" figureDoi-2="http://doi.org/10.5281/zenodo.4496059" figureDoi-3="http://doi.org/10.5281/zenodo.4496061" figureDoi-4="http://doi.org/10.5281/zenodo.4496063" httpUri-0="https://zenodo.org/record/4496055/files/figure.png" httpUri-1="https://zenodo.org/record/4496057/files/figure.png" httpUri-2="https://zenodo.org/record/4496059/files/figure.png" httpUri-3="https://zenodo.org/record/4496061/files/figure.png" httpUri-4="https://zenodo.org/record/4496063/files/figure.png" pageId="61" pageNumber="62">Figs 17–21</figureCitation>
).............................................................................................
<taxonomicName id="4C762FF0EA41D457FB3235A0D0F8FD67" ID-CoL="8586S" authority="Walker, 1907" authorityName="Walker" authorityYear="1907" box="[1206,1436,679,701]" class="Malacostraca" family="Ischyroceridae" genus="Hemijassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA41D457FB3235A0D07EFD67" box="[1206,1306,680,701]" italics="true" pageId="61" pageNumber="62">Hemijassa</emphasis>
<bibRefCitation id="EFE72982EA41D457FA9B35AFD0F8FD67" author="Walker, A. O." box="[1311,1436,679,701]" pageId="61" pageNumber="62" pagination="1 - 39" refId="ref43615" refString="Walker, A. O. (1907) Crustacea. III. Amphipoda. National Antartic Expedition 1901 - 1904. Natural History 3, 1 - 39." type="journal article" year="1907">Walker, 1907</bibRefCitation>
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</paragraph>
<paragraph id="8BC95473EA41D457FF1335CDD0F8FCE8" blockId="61.[151,1437,151,1435]" pageId="61" pageNumber="62">
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– Gnathopod 2, propodus, only the male producing a thumb at adulthood, palmar defining spines, if present, proximal of the thumb tip (
<figureCitation id="134D48F6EA41D457FE8335EAD432FD22" box="[263,342,738,760]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">Fig. 37f</figureCitation>
), juvenile palm concave or sinuous, without a thumb; pereopods 3 and 4, carpus 80–100% overlapped by the merus; uropod 3, outer ramus with 2 (usually) larger cusps in addition to minute cusps proximal of the dorsally recurved terminal spine (
<figureCitation id="134D48F6EA41D457FF6C3415D40AFCE9" box="[232,366,797,819]" captionStart="FIGURE 35" captionStartId="62.[151,250,1178,1202]" captionTargetBox="[159,1429,234,1147]" captionTargetId="figure-80@62.[151,1436,227,1155]" captionTargetPageId="62" captionText="FIGURE 35. a. Bathyphotis tridentata after Stephensen (1944); b. Jassa falcata from Conlan et al. (in press); c. Alatajassa similis after Conlan (2007); d. Jassa falcata from Conlan et al. (in press); e. Alatajassa similis after Conlan (2007); f. Jassa falcata from Conlan et al. (in press); g. Isaeopsis tenax after K.H. Barnard (1916); h. Jassa falcata from Conlan et al. (in press); i. Microjassa bahamensis after Conlan (1995); j. Neoischyrocerus lilipuna after Conlan (1995); k. Veronajassa neptunea after Vader and Myers (1996); l. Myersius denticaudatus after Souza-Filho and Serejo (2014). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496093" httpUri="https://zenodo.org/record/4496093/files/figure.png" pageId="61" pageNumber="62">Figs 35b,d,f,h</figureCitation>
,
<figureCitation id="134D48F6EA41D457FEFC3415D4CAFCE9" box="[376,430,797,819]" captionStart="FIGURE 36" captionStartId="63.[151,250,1665,1689]" captionTargetBox="[160,1424,713,1631]" captionTargetId="figure-270@63.[151,1436,705,1641]" captionTargetPageId="63" captionText="FIGURE 36. a. Myersius denticaudatus after Souza-Filho and Serejo (2014); b. Microjassa cumbrensis after Conlan (1995); c. Myersius denticaudatus after Souza-Filho and Serejo (2014); d. magnification of c (palm only); e. Microjassa floridensis after Conlan (1995); f. magnification of e (palm only); g. Scutischyrocerus scutatus after Myers (1995); h. Jassa marmorata from Conlan et al. (in press); i. Jassa oclairi from Conlan et al. (in press); j. Pseudischyrocerus denticaudata after Schellenberg (1931). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496095" httpUri="https://zenodo.org/record/4496095/files/figure.png" pageId="61" pageNumber="62">36 h,i</figureCitation>
and
<figureCitation id="134D48F6EA41D457FE5F3415D498FCE9" box="[475,508,797,819]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">37f</figureCitation>
)................................................................
<taxonomicName id="4C762FF0EA41D457FB693415D0F8FCE8" ID-CoL="7P7HW" authority="Leach, 1814" authorityName="Leach" authorityYear="1814" box="[1261,1436,797,819]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA41D457FB693415D046FCE8" box="[1261,1314,797,818]" italics="true" pageId="61" pageNumber="62">Jassa</emphasis>
<bibRefCitation id="EFE72982EA41D457FAAC3415D0F8FCE8" author="Leach, W. E." box="[1320,1436,797,819]" pageId="61" pageNumber="62" pagination="385 - 437" refId="ref40894" refString="Leach, W. E. (1814) Crustaceology. Edinburgh Encyclopaedia, 7, 385 - 437." type="journal article" year="1814">Leach, 1814</bibRefCitation>
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13 Uropods 1, 2 and/or 3, peduncle with lateral row of setae (
<figureCitation id="134D48F6EA41D457FC823432D63DFC8A" box="[774,857,826,848]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">
Fig.
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).....................
<taxonomicName id="4C762FF0EA41D457FBD53432D039FC8A" ID-CoL="7PY7P" authority="Vader and Myers" authorityName="Vader and Myers" box="[1105,1373,826,848]" class="Malacostraca" family="Ischyroceridae" genus="Ruffojassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA41D457FBD53432D1D1FC95" box="[1105,1205,826,847]" italics="true" pageId="61" pageNumber="62">Ruffojassa</emphasis>
Vader and Myers
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<keyLead id="3087F746EA41D457FF133450D0F8FCB7" box="[151,1436,855,877]" pageId="61" pageNumber="62">– Uropods 1, 2 and/or 3, peduncle without a lateral row of setae...................................................14</keyLead>
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14 Antenna 1, accessory flagellum 3–4 articles, the last minute. Uropod 3, outer ramus with one to several medial setae projecting dorsally (
<figureCitation id="134D48F6EA41D457FEBE349AD4EFFC72" box="[314,395,914,936]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">Fig. 37h</figureCitation>
)................................................................
<taxonomicName id="4C762FF0EA41D457FBF8349BD0F8FC7D" ID-CoL="7Q68R" authority="J. L. Barnard, 1970" authorityName="J. L. Barnard" authorityYear="1970" box="[1148,1436,914,936]" class="Malacostraca" family="Ischyroceridae" genus="Ventojassa" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA41D457FBF8349BD185FC72" box="[1148,1249,915,936]" italics="true" pageId="61" pageNumber="62">Ventojassa</emphasis>
J. L.
<bibRefCitation id="EFE72982EA41D457FA91349AD0F8FC7D" author="Barnard, J. L." box="[1301,1436,914,936]" pageId="61" pageNumber="62" pagination="1 - 286" refId="ref37624" refString="Barnard, J. L. (1970) Sublittoral Gammaridea (Amphipoda) of the Hawaiian Islands. Smithsonian Contributions to Zoology, 34, 1 - 286. https: // doi. org / 10.5479 / si. 00810282.34" type="journal article" year="1970">Barnard, 1970</bibRefCitation>
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<keyLead id="3087F746EA41D457FF1334B8D0F8FC39" pageId="61" pageNumber="62">– Antenna 1, accessory flagellum 1–2 articles, the last minute. Uropod 3, outer ramus without medial setae projecting dorsally.........................................................................................................15</keyLead>
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15 Gnathopod 1, carpus longer than the propodus (carpus ~120% of the propodus length). Known only from subantarctic islands and
<collectingCountry id="F36114E3EA41D457FF66330FD47AFBC7" box="[226,286,1031,1053]" name="Brazil" pageId="61" pageNumber="62">Brazil</collectingCountry>
,
<quantity id="4C8EF996EA41D457FEA3330FD4F6FBC7" box="[295,402,1031,1053]" metricMagnitude="2" metricUnit="m" metricValue="5.51" metricValueMax="10.58" metricValueMin="0.44" pageId="61" pageNumber="62" unit="m" value="551.0" valueMax="1058.0" valueMin="44.0">44–1058 m</quantity>
.........................................................
<taxonomicName id="4C762FF0EA41D457FBB4330FD0F8FBC7" ID-CoL="7PW79" authority="Schellenberg, 1931" authorityName="Schellenberg" authorityYear="1931" box="[1072,1436,1031,1053]" class="Malacostraca" family="Ischyroceridae" genus="Pseudischyrocerus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA41D457FBB4330FD185FBC6" box="[1072,1249,1031,1052]" italics="true" pageId="61" pageNumber="62">Pseudischyrocerus</emphasis>
<bibRefCitation id="EFE72982EA41D457FB63330FD0F8FBC7" author="Schellenberg, A." box="[1255,1436,1031,1053]" pageId="61" pageNumber="62" pagination="1 - 290" refId="ref41976" 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." type="journal article" year="1931">Schellenberg, 1931</bibRefCitation>
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<paragraph id="8BC95473EA41D457FF13332DD0F8FBE1" blockId="61.[151,1437,151,1435]" box="[151,1436,1061,1083]" pageId="61" pageNumber="62">
<keyLead id="3087F746EA41D457FF13332DD0F8FBE1" box="[151,1436,1061,1083]" pageId="61" pageNumber="62">– Gnathopod 1, carpus shorter than the propodus (carpus ~50–95% of the propodus length). Various locations and depths......16</keyLead>
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<paragraph id="8BC95473EA41D457FF13334AD0F8FB52" blockId="61.[151,1437,151,1435]" pageId="61" pageNumber="62">
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16 Mandibular palp, article 3 slender, ventrally convex and broadest centrally, tip acute (
<figureCitation id="134D48F6EA41D457FC7B334AD12DFB82" box="[1023,1097,1090,1112]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">Fig. 37i</figureCitation>
). Antennae 1 and 2, length Ξ85% of the body length (headlobe to end of uropods), antenna 2 not stouter than antenna 1. Pereopods 3 and 4, merus not overlapping the carpus anteriorly. Uropod 2, outer ramus, length 65% of the inner ramus.......................
<taxonomicName id="4C762FF0EA41D457FB143375D039FB49" authority="Stebbing" authorityName="Stebbing" authorityYear="1888" box="[1168,1373,1149,1171]" class="Malacostraca" family="Aoridae" genus="Paradryope" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA41D457FB143375D065FB48" box="[1168,1281,1149,1170]" italics="true" pageId="61" pageNumber="62">Paradryope</emphasis>
Stebbing
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,
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<keyLead id="3087F746EA41D457FF133393D0F8FB30" pageId="61" pageNumber="62">
– Mandibular palp, article 3 broad distally, end rounded (
<figureCitation id="134D48F6EA41D457FD6C3392D657FB6A" box="[744,819,1178,1200]" captionStart="FIGURE 37" captionStartId="64.[151,250,1746,1770]" captionTargetBox="[159,1428,785,1712]" captionTargetId="figure-331@64.[151,1436,777,1722]" captionTargetPageId="64" captionText="FIGURE 37. a. Parajassa pelagica after Sars (1894); b. Jassa thurstoni from Conlan et al. (in press); c. Plumulojassa ocia from FIGURE 3; d. Pleojassa lowryi from FIGURE 25; e. Hemijassa goniamera from FIGURE 17; f. Jassa falcata from Conlan et al. (in press); g. Ruffojassa festa after Vader and Myers (1996); h. Ventojassa frequens from FIGURE 10; i. Paradryope orguion after Stebbing (1888); j. Neoischyrocerus lilipuna after Conlan (1995). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496097" httpUri="https://zenodo.org/record/4496097/files/figure.png" pageId="61" pageNumber="62">Fig. 37j</figureCitation>
). Antennae 1 and 2, length ±65% of the body length (headlobe to end of uropods), antenna 2 stouter than or similar to antenna 1. Pereopods 3 and 4, merus overlapping 10–100% of the carpus. Uropod 2, outer ramus, length 75–80% of the inner ramus.......................................................17
</keyLead>
</paragraph>
</keyStep>
<paragraph id="8BC95473EA41D457FF1333FAD0F8FABA" blockId="61.[151,1437,151,1435]" pageId="61" pageNumber="62">
<keyStep id="30824CD6EA41D457FF1333FAD0F8FABA" pageId="61" pageNumber="62">
<keyLead id="3087F746EA41D457FF1333FAD0F8FABA" pageId="61" pageNumber="62">
<specimenCount id="9D709FFAEA41D457FF1333FAD47CFAD2" box="[151,280,1266,1288]" pageId="61" pageNumber="62" type="adult">17 Adult</specimenCount>
male gnathopod 2 grossly lengthened and pendulate, length 190–350% of the length of gnathopod 1, propodus slender, length 180–400% of its width at the centre, dactyl 50–100% of the length of the propodus (
<figureCitation id="134D48F6EA41D457FBA83207D115FAFC" box="[1068,1137,1295,1318]" captionStart="FIGURE 38" captionStartId="65.[151,250,1758,1782]" captionTargetBox="[163,1430,784,1728]" captionTargetId="figure-299@65.[151,1436,777,1734]" captionTargetPageId="65" captionText="FIGURE 38. a. Neoischyrocerus lilipuna after Conlan (1995); b. Coxischyrocerus rhombocoxus after Just (2009); c. Tropischyrocerus pugilus after Just (2009); d. Neoischyrocerus claustris after Conlan (1995); e. Ischyrocerus anguipes after Sars (1894); f. Ischyrocerus megacheir after Sars (1894); g. Ischyrocerus megalops after Sars (1894); h. Ischyrocerus anguipes after Sars (1894). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496099" httpUri="https://zenodo.org/record/4496099/files/figure.png" pageId="61" pageNumber="62">Figs 38</figureCitation>
a-c).
<location id="8EA902A8EA41D457FB253207D18DFAFF" LSID="urn:lsid:plazi:treatment:03DFE565EA40D454FF133270D0F8FF10:8EA902A8EA41D457FB253207D18DFAFF" box="[1185,1257,1295,1317]" county="Southern Hemisphere" latitude="-34.0" municipality="Northern" name="Uropod" pageId="61" pageNumber="62">Uropod</location>
3 with 1–2 rows of mid-dorsal spines but without a corona of multiple spines on the distal margin (
<figureCitation id="134D48F6EA41D457FC4D3225D17FFA99" box="[969,1051,1325,1347]" captionStart="FIGURE 38" captionStartId="65.[151,250,1758,1782]" captionTargetBox="[163,1430,784,1728]" captionTargetId="figure-299@65.[151,1436,777,1734]" captionTargetPageId="65" captionText="FIGURE 38. a. Neoischyrocerus lilipuna after Conlan (1995); b. Coxischyrocerus rhombocoxus after Just (2009); c. Tropischyrocerus pugilus after Just (2009); d. Neoischyrocerus claustris after Conlan (1995); e. Ischyrocerus anguipes after Sars (1894); f. Ischyrocerus megacheir after Sars (1894); g. Ischyrocerus megalops after Sars (1894); h. Ischyrocerus anguipes after Sars (1894). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496099" httpUri="https://zenodo.org/record/4496099/files/figure.png" pageId="61" pageNumber="62">Fig. 38d</figureCitation>
).
<location id="8EA902A8EA41D457FBAF3225D100FA98" LSID="urn:lsid:plazi:treatment:03DFE565EA40D454FF133270D0F8FF10:8EA902A8EA41D457FBAF3225D100FA98" box="[1067,1124,1325,1346]" county="Southern Hemisphere" latitude="-34.0" municipality="Northern" name="Warm" pageId="61" pageNumber="62">Warm</location>
temperate and tropical,
<collectingMunicipality id="6BADCE09EA41D457FAC33225D0F8FA99" box="[1351,1436,1325,1347]" pageId="61" pageNumber="62">Northern</collectingMunicipality>
and
<collectingCounty id="62A82CFFEA41D457FE8E3242D4BDFABA" box="[266,473,1354,1376]" pageId="61" pageNumber="62">Southern Hemisphere</collectingCounty>
, known from 9–
<geoCoordinate id="EE4232B4EA41D457FDF03242D7C2FA85" box="[628,678,1354,1375]" degrees="40" direction="north" orientation="latitude" pageId="61" pageNumber="62" precision="55555" value="40.0">40°N</geoCoordinate>
and 5–
<geoCoordinate id="EE4232B4EA41D457FD693242D678FABA" box="[749,796,1354,1376]" degrees="34" direction="south" orientation="latitude" pageId="61" pageNumber="62" precision="55555" value="-34.0">34°S</geoCoordinate>
,
<elevation id="005BB340EA41D457FCA13242D6CDFABA" box="[805,937,1354,1376]" metricMagnitude="0" metricUnit="m" metricValue="8.0" metricValueMax="16.0" metricValueMin="0.0" pageId="61" pageNumber="62" unit="m" value="8.0" valueMax="16.0" valueMin="0.0">
<quantity id="4C8EF996EA41D457FCA13242D608FABA" box="[805,876,1354,1376]" metricMagnitude="0" metricUnit="m" metricValue="8.0" metricValueMax="16.0" metricValueMin="0.0" pageId="61" pageNumber="62" unit="m" value="8.0" valueMax="16.0" valueMin="0.0">0–16 m</quantity>
depth
</elevation>
...................
<taxonomicName id="4C762FF0EA41D457FBFE3242D0F8FABA" ID-CoL="7PLZM" authority="Conlan, 1995" authorityName="Conlan" authorityYear="1995" box="[1146,1436,1354,1376]" class="Malacostraca" family="Ischyroceridae" genus="Neoischyrocerus" kingdom="Animalia" order="Amphipoda" pageId="61" pageNumber="62" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA41D457FBFE3242D07CFA85" box="[1146,1304,1354,1375]" italics="true" pageId="61" pageNumber="62">Neoischyrocerus</emphasis>
<bibRefCitation id="EFE72982EA41D457FA993242D0F8FABA" author="Conlan, K. E." box="[1309,1436,1354,1376]" pageId="61" pageNumber="62" pagination="333 - 377" refId="ref38932" refString="Conlan, K. E. (1995) Thumbing doesn't always make the genus: revision of Microjassa Stebbing (Crustacea: Amphipoda: Ischyroceridae). Bulletin of Marine Science, 57, 333 - 377." type="journal article" year="1995">Conlan, 1995</bibRefCitation>
</taxonomicName>
</keyLead>
</keyStep>
</paragraph>
<paragraph id="8BC95473EA41D454FF133260D0F8FF10" blockId="61.[151,1437,151,1435]" lastBlockId="62.[226,1437,151,203]" lastPageId="62" lastPageNumber="63" pageId="61" pageNumber="62">
<keyLead id="3087F746EA41D457FF133260D0F8FA40" pageId="61" pageNumber="62">
– Adult male gnathopod 2 variable in length but not pendulate, length 100–220% of the length of gnathopod 1, propodus variably slender or stout, length 120–290% of its width at the centre, dactyl 33–75% of the length of the propodus (
<figureCitation id="134D48F6EA41D457FB4E328DD074FA41" box="[1226,1296,1413,1435]" captionStart="FIGURE 38" captionStartId="65.[151,250,1758,1782]" captionTargetBox="[163,1430,784,1728]" captionTargetId="figure-299@65.[151,1436,777,1734]" captionTargetPageId="65" captionText="FIGURE 38. a. Neoischyrocerus lilipuna after Conlan (1995); b. Coxischyrocerus rhombocoxus after Just (2009); c. Tropischyrocerus pugilus after Just (2009); d. Neoischyrocerus claustris after Conlan (1995); e. Ischyrocerus anguipes after Sars (1894); f. Ischyrocerus megacheir after Sars (1894); g. Ischyrocerus megalops after Sars (1894); h. Ischyrocerus anguipes after Sars (1894). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496099" httpUri="https://zenodo.org/record/4496099/files/figure.png" pageId="61" pageNumber="62">Figs 38</figureCitation>
e-g). Uropod 3
</keyLead>
<subSubSection id="C36C07F8EA42D454FF66379FD0F8FF10" pageId="62" pageNumber="63" type="multiple">
with 1–2 rows of mid-dorsal spines and a corona of numerous spines on the distal margin
<superScript id="7C03F93BEA42D454FBB4379FD153FF79" attach="left" box="[1072,1079,151,163]" fontSize="5" pageId="62" pageNumber="63">3</superScript>
(
<figureCitation id="134D48F6EA42D454FBC0379FD1F1FF77" box="[1092,1173,151,173]" captionStart="FIGURE 38" captionStartId="65.[151,250,1758,1782]" captionTargetBox="[163,1430,784,1728]" captionTargetId="figure-299@65.[151,1436,777,1734]" captionTargetPageId="65" captionText="FIGURE 38. a. Neoischyrocerus lilipuna after Conlan (1995); b. Coxischyrocerus rhombocoxus after Just (2009); c. Tropischyrocerus pugilus after Just (2009); d. Neoischyrocerus claustris after Conlan (1995); e. Ischyrocerus anguipes after Sars (1894); f. Ischyrocerus megacheir after Sars (1894); g. Ischyrocerus megalops after Sars (1894); h. Ischyrocerus anguipes after Sars (1894). Scale 0.1 mm." figureDoi="http://doi.org/10.5281/zenodo.4496099" httpUri="https://zenodo.org/record/4496099/files/figure.png" pageId="62" pageNumber="63">Fig. 38h</figureCitation>
). Cold temperate and polar, primarily Northern Hemisphere, known from 36–
<geoCoordinate id="EE4232B4EA42D454FD3337BDD783FF11" box="[695,743,181,203]" degrees="81" direction="north" orientation="latitude" pageId="62" pageNumber="63" precision="55555" value="81.0">81°N</geoCoordinate>
and
<geoCoordinate id="EE4232B4EA42D454FC9137BDD621FF10" box="[789,837,181,202]" degrees="42" direction="south" orientation="latitude" pageId="62" pageNumber="63" precision="55555" value="-42.0">42°S</geoCoordinate>
,
<quantity id="4C8EF996EA42D454FCCB37BDD6C9FF10" box="[847,941,181,202]" metricMagnitude="3" metricUnit="m" metricValue="1.0005" metricValueMax="2.0" metricValueMin="0.001" pageId="62" pageNumber="63" unit="m" value="1000.5" valueMax="2000.0" valueMin="1.0">1–2000 m</quantity>
depth...............
<taxonomicName id="4C762FF0EA42D454FB1B37BDD0F8FF10" authority="Kroyer, 1838" authorityName="Kroyer" authorityYear="1838" box="[1183,1436,181,202]" class="Malacostraca" family="Ischyroceridae" genus="Ischyrocerus" kingdom="Animalia" order="Amphipoda" pageId="62" pageNumber="63" phylum="Arthropoda" rank="genus">
<emphasis id="B9028861EA42D454FB1B37BDD07CFF10" box="[1183,1304,181,202]" italics="true" pageId="62" pageNumber="63">Ischyrocerus</emphasis>
<bibRefCitation id="EFE72982EA42D454FA9937BDD0F8FF10" author="Kroyer, H." box="[1309,1436,181,202]" pageId="62" pageNumber="63" pagination="229 - 326" refId="ref40760" refString="Kroyer, H. (1838) Gronlands amfipoder beskrevne af Henrick Kroyer. Det Kongelige Danske Videnskabernes Selskabs Naturvidenskabelige og Mathematiske Afhandlinger, 7, 229 - 326. https: // doi. org / 10.5962 / bhl. title. 13747" type="journal article" year="1838">Krøyer, 1838</bibRefCitation>
</taxonomicName>
</subSubSection>
</paragraph>
</treatment>
</document>
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