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95 lines
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<document id="2D46B6B7B208D057FDAA31FE77A4CC31" ID-DOI="10.5281/zenodo.195357" ID-GBIF-Dataset="7e6e70f5-6ff6-4ecc-8809-f221e202792b" ID-ISSN="1175-5326" ID-Zenodo-Dep="195357" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460226227769" checkinUser="plazi" docAuthor="Sidorov, Dmitry A., Holsinger, John R. & Takhteev, Vadim V." docDate="2010" docId="03C98791FFADFFDCD080B3D3FD46CCA2" docLanguage="en" docName="zt02478p058.pdf" docOrigin="Zootaxa 2478" docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article" docStyleId="890A69B780ED73D6DB8551B71C8AC79E" docStyleName="Zootaxa.2009-2012.journal_article" docStyleVersion="4" docTitle="Stygobromus Sidorov, Holsinger & Takhteev, 2010, n. sp." docType="treatment" docVersion="9" lastPageNumber="55" masterDocId="FFF0FFE9FFA3FFD2D017B01EFFC7C950" masterDocTitle="Two new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from Siberia, with new data on Stygobromus pusillus (Martynov) and remarks on morphology and biogeographic relationships" masterLastPageNumber="58" masterPageNumber="41" pageNumber="55" updateTime="1698238428899" updateUser="plazi">
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<mods:title id="E1D26B5007F3A3CAF6BC2A8A4D50492A">Two new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from Siberia, with new data on Stygobromus pusillus (Martynov) and remarks on morphology and biogeographic relationships</mods:title>
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<mods:namePart id="B929889EC82BC6E818C492C7D20E38E2">Sidorov, Dmitry A.</mods:namePart>
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<mods:namePart id="AD4B402C61783B23C0B45187FA5ADA0A">Holsinger, John R.</mods:namePart>
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<mods:namePart id="2F1BE1DCE5A5209165CD6954885CCB59">Takhteev, Vadim V.</mods:namePart>
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<mods:title id="4FAEAD937097ABE00ADFCAEE76150E0C">Zootaxa</mods:title>
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<mods:date id="2963A252B7F63E137E39D1D3FDEFBABE">2010</mods:date>
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<mods:number id="09604F4E27F2BDBBBEFC408005A2716C">2478</mods:number>
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<mods:identifier id="CDE7651965AA4FACC948CA0ABC339AC0" type="DOI">10.5281/zenodo.195357</mods:identifier>
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<mods:identifier id="3E07642BACA93239029CA2C2C6704D09" type="ISSN">1175-5326</mods:identifier>
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<treatment id="03C98791FFADFFDCD080B3D3FD46CCA2" ID-DOI="http://doi.org/10.5281/zenodo.6208715" ID-Zenodo-Dep="6208715" LSID="urn:lsid:plazi:treatment:03C98791FFADFFDCD080B3D3FD46CCA2" httpUri="http://treatment.plazi.org/id/03C98791FFADFFDCD080B3D3FD46CCA2" lastPageNumber="55" pageId="14" pageNumber="55">
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<subSubSection id="C37A650CFFADFFDCD080B3D3FD46CCA2" pageId="14" pageNumber="55" type="discussion">
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<paragraph id="8BDF3687FFADFFDCD080B3D3FDB6CAB7" blockId="14.[151,625,973,999]" box="[151,625,973,999]" pageId="14" pageNumber="55">
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<emphasis id="B914EA95FFADFFDCD080B3D3FDB6CAB7" bold="true" box="[151,625,973,999]" pageId="14" pageNumber="55">
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Remarks on
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<taxonomicName id="4C604D04FFADFFDCD121B3D3FE15CAB7" ID-CoL="7Q379" box="[310,466,973,999]" class="Malacostraca" family="Crangonyctidae" genus="Stygobromus" kingdom="Animalia" order="Amphipoda" pageId="14" pageNumber="55" phylum="Arthropoda" rank="genus">
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<emphasis id="B914EA95FFADFFDCD121B3D3FE15CAB7" bold="true" box="[310,466,973,999]" italics="true" pageId="14" pageNumber="55">Stygobromus</emphasis>
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</taxonomicName>
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morphology
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</paragraph>
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<paragraph id="8BDF3687FFADFFDCD080B406FB05CDF2" blockId="14.[151,1437,1048,1522]" pageId="14" pageNumber="55">
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Morphological investigation of the Siberian
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<taxonomicName id="4C604D04FFADFFDCD2DBB406FCAACD61" box="[716,877,1048,1073]" class="Malacostraca" family="Crangonyctidae" genus="Stygobromus" kingdom="Animalia" order="Amphipoda" pageId="14" pageNumber="55" phylum="Arthropoda" rank="genus">
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<emphasis id="B914EA95FFADFFDCD2DBB406FCAACD61" box="[716,877,1048,1073]" italics="true" pageId="14" pageNumber="55">Stygobromus</emphasis>
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</taxonomicName>
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with assistance of SEM revealed additional characters that appear to be taxonomically significant. They include: (1) a naked vestigial segment on the tip of antennae 1 and 2 approximately 10 mkm long (
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<figureCitation id="135B2A02FFADFFDCD2FBB47CFCB0CD2C" box="[748,887,1122,1148]" captionStart="FIGURES 68 – 75" captionStartId="13.[151,272,1233,1257]" captionTargetBox="[437,1150,216,1192]" captionTargetId="figure@13.[415,1171,194,1212]" captionTargetPageId="13" captionText="FIGURES 68 – 75. (68, 70, 71): Stygobromus mikhaili n. sp., male (2.6 mm): (68) tip of antenna 2; (70) propodus of gnathopod 2; (71) squamiferous membrane along inner margin, idem. (69, 72 – 75): Stygobromus anastasiae n. sp., female (3.0 mm), male (2.8 mm): (69) tip of antenna 2, female; (72) propodus of gnathopod 1, male; (73) squamiferous membrane along inner margin, idem; (74) squamiferous membrane in base of nail, idem; (75) squamiferous membrane in base of nail, female. SEM." httpUri="https://zenodo.org/record/195366/files/figure.png" pageId="14" pageNumber="55">Figs 68, 69</figureCitation>
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); and (2) a “squamiferous membrane” located along the inner margin of the propodi of gnathopods 1, 2 (
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<figureCitation id="135B2A02FFADFFDCD329B496FC03CDF2" box="[830,964,1160,1186]" captionStart="FIGURES 68 – 75" captionStartId="13.[151,272,1233,1257]" captionTargetBox="[437,1150,216,1192]" captionTargetId="figure@13.[415,1171,194,1212]" captionTargetPageId="13" captionText="FIGURES 68 – 75. (68, 70, 71): Stygobromus mikhaili n. sp., male (2.6 mm): (68) tip of antenna 2; (70) propodus of gnathopod 2; (71) squamiferous membrane along inner margin, idem. (69, 72 – 75): Stygobromus anastasiae n. sp., female (3.0 mm), male (2.8 mm): (69) tip of antenna 2, female; (72) propodus of gnathopod 1, male; (73) squamiferous membrane along inner margin, idem; (74) squamiferous membrane in base of nail, idem; (75) squamiferous membrane in base of nail, female. SEM." httpUri="https://zenodo.org/record/195366/files/figure.png" pageId="14" pageNumber="55">Figs 71, 73</figureCitation>
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) in both new species.
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</paragraph>
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<paragraph id="8BDF3687FFADFFDCD0D3B4B3FE0ECC67" blockId="14.[151,1437,1048,1522]" pageId="14" pageNumber="55">
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In
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<taxonomicName id="4C604D04FFADFFDCD0F2B4B3FE41CD96" box="[229,390,1197,1222]" class="Malacostraca" family="Crangonyctidae" genus="Stygobromus" kingdom="Animalia" order="Amphipoda" pageId="14" pageNumber="55" phylum="Arthropoda" rank="species" species="anastasiae" status="sp. nov.">
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<emphasis id="B914EA95FFADFFDCD0F2B4B3FE41CD96" box="[229,390,1197,1222]" italics="true" pageId="14" pageNumber="55">S. anastasiae</emphasis>
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</taxonomicName>
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<emphasis id="B914EA95FFADFFDCD199B4B3FE14CD97" bold="true" box="[398,467,1197,1223]" pageId="14" pageNumber="55">
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<taxonomicNameLabel id="A22757EEFFADFFDCD199B4B3FE14CD97" box="[398,467,1197,1223]" pageId="14" pageNumber="55" rank="species">n. sp.</taxonomicNameLabel>
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</emphasis>
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a similar “squamiferous membrane” is located on inner face of both gnathopod propodi at the point of nail origin (
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<figureCitation id="135B2A02FFADFFDCD23EB4CCFD45CDBC" box="[553,642,1234,1260]" captionStart="FIGURES 68 – 75" captionStartId="13.[151,272,1233,1257]" captionTargetBox="[437,1150,216,1192]" captionTargetId="figure@13.[415,1171,194,1212]" captionTargetPageId="13" captionText="FIGURES 68 – 75. (68, 70, 71): Stygobromus mikhaili n. sp., male (2.6 mm): (68) tip of antenna 2; (70) propodus of gnathopod 2; (71) squamiferous membrane along inner margin, idem. (69, 72 – 75): Stygobromus anastasiae n. sp., female (3.0 mm), male (2.8 mm): (69) tip of antenna 2, female; (72) propodus of gnathopod 1, male; (73) squamiferous membrane along inner margin, idem; (74) squamiferous membrane in base of nail, idem; (75) squamiferous membrane in base of nail, female. SEM." httpUri="https://zenodo.org/record/195366/files/figure.png" pageId="14" pageNumber="55">Fig. 72</figureCitation>
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). Although this character is found in both sexes, males (
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<figureCitation id="135B2A02FFADFFDCD51AB4CCFAA4CDBC" box="[1293,1379,1234,1260]" captionStart="FIGURES 68 – 75" captionStartId="13.[151,272,1233,1257]" captionTargetBox="[437,1150,216,1192]" captionTargetId="figure@13.[415,1171,194,1212]" captionTargetPageId="13" captionText="FIGURES 68 – 75. (68, 70, 71): Stygobromus mikhaili n. sp., male (2.6 mm): (68) tip of antenna 2; (70) propodus of gnathopod 2; (71) squamiferous membrane along inner margin, idem. (69, 72 – 75): Stygobromus anastasiae n. sp., female (3.0 mm), male (2.8 mm): (69) tip of antenna 2, female; (72) propodus of gnathopod 1, male; (73) squamiferous membrane along inner margin, idem; (74) squamiferous membrane in base of nail, idem; (75) squamiferous membrane in base of nail, female. SEM." httpUri="https://zenodo.org/record/195366/files/figure.png" pageId="14" pageNumber="55">Fig. 74</figureCitation>
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) and females (
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<figureCitation id="135B2A02FFADFFDCD11DB4E6FEAFCC42" box="[266,360,1272,1298]" captionStart="FIGURES 68 – 75" captionStartId="13.[151,272,1233,1257]" captionTargetBox="[437,1150,216,1192]" captionTargetId="figure@13.[415,1171,194,1212]" captionTargetPageId="13" captionText="FIGURES 68 – 75. (68, 70, 71): Stygobromus mikhaili n. sp., male (2.6 mm): (68) tip of antenna 2; (70) propodus of gnathopod 2; (71) squamiferous membrane along inner margin, idem. (69, 72 – 75): Stygobromus anastasiae n. sp., female (3.0 mm), male (2.8 mm): (69) tip of antenna 2, female; (72) propodus of gnathopod 1, male; (73) squamiferous membrane along inner margin, idem; (74) squamiferous membrane in base of nail, idem; (75) squamiferous membrane in base of nail, female. SEM." httpUri="https://zenodo.org/record/195366/files/figure.png" pageId="14" pageNumber="55">Fig. 75</figureCitation>
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) show some differences in the shape of scales, but which are probably related to age differences of individuals.
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</paragraph>
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<paragraph id="8BDF3687FFADFFDCD0D3B55CFD46CCA2" blockId="14.[151,1437,1048,1522]" pageId="14" pageNumber="55">
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The term “squamiferous membrane” was used earlier by
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<bibRefCitation id="EFF14B76FFADFFDCD372B55CFB54CC0C" author="Henry" box="[869,1171,1346,1372]" pageId="14" pageNumber="57" refString="Henry, J. - P. & Magniez, G. (1995) Nouvelles donnees sur les Asellidae epiges d'Extreme-Orient (Crustacea, Isopoda, Asellota). Contribution to Zoology, 65, 101 - 122." type="journal article" year="1995">Henry & Magniez (1995)</bibRefCitation>
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in a description of the morphology of the asellid isopod male pleopod 2. However, this morphological structure has apparently not been observed in crangonyctid amphipods until now. The “squamiferous membrane” may represent a complicated microtrich characterized by the fusion at the base of bunches of cuticular microtrichs of different lengths (
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<bibRefCitation id="EFF14B76FFADFFDCD0ECB5C6FDB3CCA2" author="Mekhanikova" box="[251,628,1496,1522]" lastPageId="14" lastPageNumber="58" pageId="14" pageNumber="57" refString="Mekhanikova, I. V. & Takhteev, V. V. (2008) Cuticular nonsensory microstructures of amphipods from Lake Baikal (Crustacea: Amphipoda), their taxonomic and adaptive significance. Zoologia Bespozvonochnikh, 5, 17 - 37. (in Russian with English abstract)" type="book chapter" year="2008">Mekhanikova & Takhteev 2008</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |