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<document ID-DOI="http://dx.doi.org/10.11646/zootaxa.3867.1.1" ID-GBIF-Dataset="e5bb465f-e713-45c1-8e0f-2c6125494b44" ID-ISSN="1175-5326" ID-Zenodo-Dep="5585734" ID-ZooBank="B7C6EC5F-5AA3-43B1-BD3D-D8111E0EC3A7" approvalRequired="7" approvalRequired_for_taxonomicNames="7" checkinTime="1623444826813" checkinUser="felipe" docAuthor="Lowry, J. K. &amp; Kilgallen, N. M." docDate="2014" docId="03AE8B60AC3AFFE46CC1FB86FE17C411" docLanguage="en" docName="zt03867p092.pdf.imf" docOrigin="Zootaxa 3867 (1)" docStyle="DocumentStyle:5EBBA59367AD13919D70D935FA04F6A3.9:Zootaxa.2013-.monograph" docStyleId="5EBBA59367AD13919D70D935FA04F6A3" docStyleName="Zootaxa.2013-.monograph" docStyleVersion="9" docTitle="Stephonyx Lowry &amp; Stoddart 1989" docType="treatment" docVersion="9" lastPageNumber="61" masterDocId="FF97F318AC06FFD86C56FFB2FFB4C36C" masterDocTitle="A generic review of the lysianassoid family Uristidae and descriptions of new taxa from Australian waters (Crustacea, Amphipoda, Uristidae)" masterLastPageNumber="92" masterPageNumber="1" pageNumber="61" updateTime="1677533431177" updateUser="ExternalLinkService">
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<mods:title>A generic review of the lysianassoid family Uristidae and descriptions of new taxa from Australian waters (Crustacea, Amphipoda, Uristidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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<mods:namePart>Lowry, J. K.</mods:namePart>
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<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Kilgallen, N. M.</mods:namePart>
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<mods:title>Zootaxa</mods:title>
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<mods:date>2014</mods:date>
<mods:detail type="pubDate">
<mods:number>2014-09-26</mods:number>
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<mods:detail type="volume">
<mods:number>3867</mods:number>
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<mods:detail type="issue">
<mods:number>1</mods:number>
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<mods:end>92</mods:end>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.11646/zootaxa.3867.1.1</mods:identifier>
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<treatment ID-DOI="http://doi.org/10.5281/zenodo.6315623" ID-GBIF-Taxon="189136288" ID-Zenodo-Dep="6315623" LSID="urn:lsid:plazi:treatment:03AE8B60AC3AFFE46CC1FB86FE17C411" httpUri="http://treatment.plazi.org/id/03AE8B60AC3AFFE46CC1FB86FE17C411" lastPageNumber="61" pageId="60" pageNumber="61">
<subSubSection box="[151,589,1076,1102]" pageId="60" pageNumber="61" type="nomenclature">
<paragraph blockId="60.[151,589,1076,1135]" box="[151,589,1076,1102]" pageId="60" pageNumber="61">
<heading bold="true" box="[151,589,1076,1102]" fontSize="11" level="2" pageId="60" pageNumber="61" reason="4">
<taxonomicName ID-CoL="7Q2WV" ID-ENA="1417811" authority="Lowry &amp; Stoddart, 1989" authorityName="Lowry &amp; Stoddart" authorityYear="1989" box="[151,589,1076,1102]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis bold="true" box="[151,589,1076,1102]" pageId="60" pageNumber="61">
<emphasis bold="true" box="[151,277,1076,1102]" italics="true" pageId="60" pageNumber="61">Stephonyx</emphasis>
<bibRefCitation author="Lowry, J. K. &amp; Stoddart, H. E." box="[284,589,1076,1102]" pageId="60" pageNumber="61" pagination="519 - 525" refId="ref50411" refString="Lowry, J. K. &amp; Stoddart, H. E. (1989) Stephonyx, a new, widespread genus of lysianassoid Amphipoda. Zoologica Scripta, 18, 519 - 525. http: // dx. doi. org / 10.1111 / j. 1463 - 6409.1989. tb 00145. x" type="journal article" year="1989">Lowry &amp; Stoddart, 1989</bibRefCitation>
</emphasis>
</taxonomicName>
</heading>
</paragraph>
</subSubSection>
<subSubSection box="[151,249,1110,1135]" pageId="60" pageNumber="61" type="description">
<paragraph blockId="60.[151,589,1076,1135]" box="[151,249,1110,1135]" pageId="60" pageNumber="61">
(
<figureCitation box="[159,241,1110,1135]" captionStart="FIGURE 39" captionStartId="61.[151,250,1862,1884]" captionTargetBox="[159,1419,225,1830]" captionTargetId="figure-50@61.[151,1436,195,1841]" captionTargetPageId="61" captionText="FIGURE 39. Stephonyx biscayensis (Chevreux, 1908), female, 22 mm, AM P.35583, from southwest of Ireland, North Atlantic Ocean. Scale bars: MX1, MX2, MP, 0.2 mm; remainder, 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.5585818" httpUri="https://zenodo.org/record/5585818/files/figure.png" pageId="60" pageNumber="61">Fig. 39</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection pageId="60" pageNumber="61" type="reference_group">
<paragraph blockId="60.[151,1437,1182,1235]" pageId="60" pageNumber="61">
<treatmentCitationGroup pageId="60" pageNumber="61">
<treatmentCitation author="Lowry, J. K. &amp; Stoddart, H. E." box="[151,607,1182,1204]" page="521" pageId="60" pageNumber="61" year="1989">
<taxonomicName ID-CoL="7Q2WV" authority="Lowry &amp; Stoddart, 1989: 521" authorityName="Lowry &amp; Stoddart" authorityPageNumber="521" authorityYear="1989" box="[151,607,1182,1204]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[151,254,1182,1204]" italics="true" pageId="60" pageNumber="61">Stephonyx</emphasis>
<bibRefCitation author="Lowry, J. K. &amp; Stoddart, H. E." box="[269,607,1182,1204]" pageId="60" pageNumber="61" pagination="519 - 525" refId="ref50411" refString="Lowry, J. K. &amp; Stoddart, H. E. (1989) Stephonyx, a new, widespread genus of lysianassoid Amphipoda. Zoologica Scripta, 18, 519 - 525. http: // dx. doi. org / 10.1111 / j. 1463 - 6409.1989. tb 00145. x" type="journal article" year="1989">Lowry &amp; Stoddart, 1989: 521</bibRefCitation>
</taxonomicName>
</treatmentCitation>
.—
<treatmentCitation author="Lowry, J. K. &amp; Stoddart, H. E." box="[636,971,1182,1204]" page="284" pageId="60" pageNumber="61" year="2003">
<bibRefCitation author="Lowry, J. K. &amp; Stoddart, H. E." box="[636,971,1182,1204]" pageId="60" pageNumber="61" refId="ref50822" refString="Lowry, J. K. &amp; Stoddart, H. E. (2003) Crustacea: Malacostraca: Peracarida: Amphipoda, Cumacea, Mysidacea. Vol. 19.2 B. CSIRO Publishing, Melbourne, 531 pp." type="book" year="2003">Lowry &amp; Stoddart, 2003: 284</bibRefCitation>
</treatmentCitation>
(catalogue).—
<treatmentCitation ID-DOI="http://doi.org/10.5281/zenodo.6247028" ID-Zenodo-Dep="6247028" author="Diffenthal, M. &amp; Horton, T." httpUri="http://treatment.plazi.org/id/A05787CCCD7DFFF0FF613B2752C16FF0" page="32" pageId="60" pageNumber="61" year="2007">
<bibRefCitation author="Diffenthal, M. &amp; Horton, T." pageId="60" pageNumber="61" pagination="31 - 41" refId="ref48032" refString="Diffenthal, M. &amp; Horton, T. (2007) Stephonyx arabiensis (Crustacea: Amphipoda: Lysianassoidea: Uristidae), a new deepwater scavenger species from the Indian Ocean, with a key to the genus Stephonyx. Zootaxa, 1665, 31 - 41." type="journal article" year="2007">Diffenthal &amp; Horton, 2007: 32</bibRefCitation>
</treatmentCitation>
.—
<treatmentCitation author="Senna, A. R. &amp; Serejo, C." box="[254,505,1213,1235]" page="8" pageId="60" pageNumber="61" year="2007">
<bibRefCitation author="Senna, A. R. &amp; Serejo, C." box="[254,505,1213,1235]" pageId="60" pageNumber="61" pagination="7 - 14" refId="ref52640" refString="Senna, A. R. &amp; Serejo, C. (2007) A new deep-sea species of Stephonyx (Lysianassoidea: Uristidae) from off the central coast of Brazil. Nauplius, 15 (1), 7 - 14." type="journal article" year="2007">Senna &amp; Serejo, 2007: 8</bibRefCitation>
</treatmentCitation>
, 13 (key).—Narahara, Tomikawa &amp; Torigoe: 2012 (key).
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection pageId="60" pageNumber="61" type="type_taxon">
<paragraph blockId="60.[151,1437,1279,1917]" box="[151,997,1279,1304]" pageId="60" pageNumber="61">
<emphasis bold="true" box="[151,306,1279,1304]" pageId="60" pageNumber="61">
<typeStatus box="[151,210,1279,1304]" pageId="60" pageNumber="61">Type</typeStatus>
species.
</emphasis>
<taxonomicName authority="Chevreux, 1908" authorityName="Chevreux" authorityYear="1908" box="[313,720,1279,1304]" class="Malacostraca" family="Uristidae" genus="Euonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="biscayensis">
<emphasis box="[313,531,1279,1304]" italics="true" pageId="60" pageNumber="61">Euonyx biscayensis</emphasis>
<bibRefCitation author="Chevreux, E." box="[538,720,1279,1304]" pageId="60" pageNumber="61" pagination="1 - 13" refId="ref46421" refString="Chevreux, E. (1908) Diagnoses d'amphipodes nouveaux provenant des campagnes de la Princesse-Alice dans l'Atlantique nord. Bulletin de l'Institut Oceanographique, Monaco, 117, 1 - 13." type="journal article" year="1908">Chevreux, 1908</bibRefCitation>
</taxonomicName>
, by original designation.
</paragraph>
<paragraph blockId="60.[151,1437,1279,1917]" pageId="60" pageNumber="61">
<emphasis bold="true" box="[199,405,1316,1341]" pageId="60" pageNumber="61">Included species.</emphasis>
<taxonomicName authorityName="Lowry &amp; Stoddart" authorityYear="1989" box="[416,530,1316,1341]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[416,530,1316,1341]" italics="true" pageId="60" pageNumber="61">Stephonyx</emphasis>
</taxonomicName>
includes 13 species:
<taxonomicName authority="Diffenthal &amp; Horton, 2007" authorityName="Diffenthal &amp; Horton" authorityYear="2007" box="[785,1260,1316,1341]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="arabiensis">
<emphasis box="[785,934,1316,1341]" italics="true" pageId="60" pageNumber="61">S. arabiensis</emphasis>
<bibRefCitation author="Diffenthal, M. &amp; Horton, T." box="[945,1260,1316,1341]" pageId="60" pageNumber="61" pagination="31 - 41" refId="ref48032" refString="Diffenthal, M. &amp; Horton, T. (2007) Stephonyx arabiensis (Crustacea: Amphipoda: Lysianassoidea: Uristidae), a new deepwater scavenger species from the Indian Ocean, with a key to the genus Stephonyx. Zootaxa, 1665, 31 - 41." type="journal article" year="2007">Diffenthal &amp; Horton, 2007</bibRefCitation>
</taxonomicName>
;
<taxonomicName authority="(Chevreux, 1908)" baseAuthorityName="Chevreux" baseAuthorityYear="1908" class="Malacostraca" family="Uristidae" genus="Euonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="biscayensis">
<emphasis box="[1276,1435,1316,1341]" italics="true" pageId="60" pageNumber="61">S. biscayensis</emphasis>
(
<bibRefCitation author="Chevreux, E." box="[158,348,1351,1376]" pageId="60" pageNumber="61" pagination="1 - 13" refId="ref46421" refString="Chevreux, E. (1908) Diagnoses d'amphipodes nouveaux provenant des campagnes de la Princesse-Alice dans l'Atlantique nord. Bulletin de l'Institut Oceanographique, Monaco, 117, 1 - 13." type="journal article" year="1908">Chevreux, 1908</bibRefCitation>
)
</taxonomicName>
;
<taxonomicName authority="Bellan-Santini, 1997" authorityName="Bellan-Santini" authorityYear="1997" box="[374,766,1351,1376]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="carinatus">
<emphasis box="[374,513,1352,1375]" italics="true" pageId="60" pageNumber="61">S. carinatus</emphasis>
<bibRefCitation author="Bellan-Santini, D." box="[525,766,1351,1376]" pageId="60" pageNumber="61" pagination="1 - 30" refId="ref45583" refString="Bellan-Santini, D. (1997) Amphipods of the cold seep community on the South Barbados Accretionary Prism. Crustaceana, 70, 1 - 30. http: // dx. doi. org / 10.1163 / 156854097 x 00311" type="journal article" year="1997">Bellan-Santini, 1997</bibRefCitation>
</taxonomicName>
;
<taxonomicName authority="Bellan-Santini, 1997" authorityName="Bellan-Santini" authorityYear="1997" box="[782,1159,1351,1376]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="incertus">
<emphasis box="[782,906,1352,1375]" italics="true" pageId="60" pageNumber="61">S. incertus</emphasis>
<bibRefCitation author="Bellan-Santini, D." box="[918,1159,1351,1376]" pageId="60" pageNumber="61" pagination="1 - 30" refId="ref45583" refString="Bellan-Santini, D. (1997) Amphipods of the cold seep community on the South Barbados Accretionary Prism. Crustaceana, 70, 1 - 30. http: // dx. doi. org / 10.1163 / 156854097 x 00311" type="journal article" year="1997">Bellan-Santini, 1997</bibRefCitation>
</taxonomicName>
;
<taxonomicName authority="(Barnard &amp; Ingram, 1990)" baseAuthorityName="Barnard &amp; Ingram" baseAuthorityYear="1990" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="mytilus">
<emphasis box="[1176,1290,1351,1376]" italics="true" pageId="60" pageNumber="61">S. mytilus</emphasis>
(
<bibRefCitation author="Barnard, J. L. &amp; Ingram, C." pageId="60" pageNumber="61" pagination="1 - 80" refId="ref45119" refString="Barnard, J. L. &amp; Ingram, C. (1990) Lysianassoid Amphipoda (Crustacea) from deep-sea thermal vents. Smithsonian Contributions to Zoology, 499, 1 - 80. http: // dx. doi. org / 10.5479 / si. 00810282.499" type="journal article" year="1990">Barnard &amp; Ingram, 1990</bibRefCitation>
)
</taxonomicName>
;
<taxonomicName authority="(J. L. Barnard, 1967)" baseAuthorityName="J. L. Barnard" baseAuthorityYear="1967" box="[325,677,1388,1413]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="laqueus">
<emphasis box="[325,440,1388,1413]" italics="true" pageId="60" pageNumber="61">S. laqueus</emphasis>
(J.L.
<bibRefCitation author="Barnard, J. L." box="[505,669,1388,1413]" pageId="60" pageNumber="61" pagination="1 - 205" refId="ref44981" refString="Barnard, J. L. (1967) Bathyal and abyssal gammaridean Amphipoda of Cedros Trench, Baja California. Bulletin of the United States National Museum, 260, 1 - 205. http: // dx. doi. org / 10.5479 / si. 03629236.260.1" type="journal article" year="1967">Barnard, 1967</bibRefCitation>
)
</taxonomicName>
;
<taxonomicName authority="(Stebbing, 1888)" baseAuthorityName="Stebbing" baseAuthorityYear="1888" box="[689,1009,1388,1413]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="normani">
<emphasis box="[689,812,1388,1412]" italics="true" pageId="60" pageNumber="61">S. normani</emphasis>
(
<bibRefCitation author="Stebbing, T. R. R." box="[826,1001,1388,1413]" pageId="60" pageNumber="61" pagination="1 - 1737" refId="ref52932" refString="Stebbing, T. R. R. (1888) Report on the Amphipoda collected by H. M. S. Challenger during the years 1873 - 1876. Report on the Scientific Results of the Voyage of H. M. S. Challenger during the years 1873 - 76. Zoology, 29, 1 - 1737, pls. 1731 - 1210." type="journal article" year="1888">Stebbing, 1888</bibRefCitation>
)
</taxonomicName>
;
<taxonomicName authority="Narahara, Tomikawa &amp; Torigoe, 2012" authorityName="Narahara, Tomikawa &amp; Torigoe" authorityYear="2012" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="perexcavatus">
<emphasis box="[1020,1195,1388,1412]" italics="true" pageId="60" pageNumber="61">S. perexcavatus</emphasis>
<bibRefCitation author="Narahara, Y. &amp; Tomikawa, K. &amp; Torigoe, K." pageId="60" pageNumber="61" pagination="1477 - 1507" refId="ref51172" refString="Narahara, Y., Tomikawa, K. &amp; Torigoe, K. (2012) Four species of the genus Stephonyx (Crustacea: Amphipoda: Uristidae) from Japan, with description of a new species. Journal of Natural History, 46, 1477 - 1507. http: // dx. doi. org / 10.1080 / 00222933.2012.675598" type="journal article" year="2012">Narahara, Tomikawa &amp; Torigoe, 2012</bibRefCitation>
</taxonomicName>
;
<taxonomicName authority="(Sheard, 1938)" baseAuthorityName="Sheard" baseAuthorityYear="1938" box="[350,623,1423,1448]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="pirloti">
<emphasis box="[350,448,1423,1448]" italics="true" pageId="60" pageNumber="61">S. pirloti</emphasis>
(
<bibRefCitation author="Sheard, K." box="[462,615,1423,1448]" pageId="60" pageNumber="61" pagination="169 - 186" refId="ref52714" refString="Sheard, K. (1938) The amphipod genera Euonyx, Syndexamine and Paradexamine. Records of the South Australian Museum, 6, 169 - 186." type="journal article" year="1938">Sheard, 1938</bibRefCitation>
)
</taxonomicName>
;
<taxonomicName authorityName="Lowry &amp; Kilgallen" authorityYear="2014" box="[635,737,1423,1448]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="rafaeli" status="sp. nov.">
<emphasis box="[635,649,1424,1447]" italics="true" pageId="60" pageNumber="61">S</emphasis>
.
<emphasis box="[662,737,1423,1448]" italics="true" pageId="60" pageNumber="61">rafaeli</emphasis>
</taxonomicName>
<emphasis bold="true" box="[744,833,1423,1448]" pageId="60" pageNumber="61">
<taxonomicNameLabel box="[744,833,1423,1448]" pageId="60" pageNumber="61" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
;
<taxonomicName authority="(Griffiths, 1977)" baseAuthorityName="Griffiths" baseAuthorityYear="1977" box="[847,1160,1423,1448]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="scutatus">
<emphasis box="[847,967,1424,1448]" italics="true" pageId="60" pageNumber="61">S. scutatus</emphasis>
(
<bibRefCitation author="Griffiths, C. L." box="[981,1152,1423,1448]" pageId="60" pageNumber="61" pagination="93 - 104" refId="ref48641" refString="Griffiths, C. L. (1977) Deep-sea amphipods from west of Cape Point, South Africa. Annals of the South African Museum, 73, 93 - 104." type="journal article" year="1977">Griffiths, 1977</bibRefCitation>
)
</taxonomicName>
;
<taxonomicName authority="(Chevreux, 1919)" baseAuthorityName="Chevreux" baseAuthorityYear="1919" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="talismani">
<emphasis box="[1172,1304,1423,1448]" italics="true" pageId="60" pageNumber="61">S. talismani</emphasis>
(
<bibRefCitation author="Chevreux, E." pageId="60" pageNumber="61" pagination="574 - 580" refId="ref46495" refString="Chevreux, E. (1919) Note preliminaire sur les amphipodes recueillis par les expeditions du Travailleur et du Talisman (1880 - 1883). Bulletin du Museum National d'Histoire Naturelle, Paris, 25, 574 - 580." type="journal article" year="1919">Chevreux, 1919</bibRefCitation>
)
</taxonomicName>
;
<taxonomicName authority="Senna &amp; Serejo, 2007" authorityName="Senna &amp; Serejo" authorityYear="2007" box="[231,625,1460,1485]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="species" species="uncinatus">
<emphasis box="[231,368,1460,1484]" italics="true" pageId="60" pageNumber="61">S. uncinatus</emphasis>
<bibRefCitation author="Senna, A. R. &amp; Serejo, C." box="[375,625,1460,1485]" pageId="60" pageNumber="61" pagination="7 - 14" refId="ref52640" refString="Senna, A. R. &amp; Serejo, C. (2007) A new deep-sea species of Stephonyx (Lysianassoidea: Uristidae) from off the central coast of Brazil. Nauplius, 15 (1), 7 - 14." type="journal article" year="2007">Senna &amp; Serejo, 2007</bibRefCitation>
</taxonomicName>
.
</paragraph>
<paragraph blockId="60.[151,1437,1279,1917]" pageId="60" pageNumber="61">
<emphasis bold="true" box="[199,478,1495,1520]" pageId="60" pageNumber="61">Diagnostic description.</emphasis>
Antenna 1 peduncle article 1 without anterodistal lobe; accessory flagellum not forming cap covering callynophore. Antenna 2 with weakly developed brush setae. Mandible molar a setose tongue with vestigial triturating area, a reduced column with a triturating surface or occasionally a raised weakly setose plate.
<emphasis bold="true" box="[222,800,1604,1629]" italics="true" pageId="60" pageNumber="61">Maxilla 1 outer plate a well developed 7/4 crown</emphasis>
. Maxilla 2 inner plate slightly shorter than outer plate.
<emphasis italics="true" pageId="60" pageNumber="61">
<emphasis bold="true" box="[151,401,1639,1664]" italics="true" pageId="60" pageNumber="61">Gnathopod 1 chelate</emphasis>
;
<emphasis bold="true" box="[423,1427,1639,1664]" italics="true" pageId="60" pageNumber="61">coxa 1 reduced, significantly shorter than coxa 2, subquadrate or tapering distally</emphasis>
;
<emphasis bold="true" box="[151,1079,1676,1701]" italics="true" pageId="60" pageNumber="61">ischium long (length 2 × to 4 × breadth) to very long (length 4 × to 6 × breadth)</emphasis>
</emphasis>
; carpus very long (length more than 4 × breadth); propodus margins subparallel. Uropod 2 inner ramus not constricted.
<taxonomicName box="[1136,1352,1711,1736]" class="Maxillopoda" family="Telsidae" genus="Telson" kingdom="Animalia" order="Poecilostomatoida" pageId="60" pageNumber="12" phylum="Arthropoda" rank="subSpecies" species="deeply" subSpecies="cleft">Telson deeply cleft</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection pageId="60" pageNumber="61" type="discussion">
<paragraph blockId="60.[151,1437,1279,1917]" pageId="60" pageNumber="61">
<emphasis bold="true" box="[199,315,1748,1773]" pageId="60" pageNumber="61">Remarks.</emphasis>
Only three uristid genera,
<taxonomicName authorityName="Norman" authorityYear="1867" box="[641,725,1749,1772]" class="Malacostraca" family="Uristidae" genus="Euonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[641,725,1749,1772]" italics="true" pageId="60" pageNumber="61">Euonyx</emphasis>
</taxonomicName>
,
<taxonomicName authorityName="Shoemaker" authorityYear="1964" box="[745,813,1748,1773]" class="Malacostraca" family="Uristidae" genus="Kyska" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[745,813,1748,1773]" italics="true" pageId="60" pageNumber="61">Kyska</emphasis>
</taxonomicName>
and
<taxonomicName authorityName="Lowry &amp; Stoddart" authorityYear="1989" box="[878,992,1748,1773]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[878,992,1748,1773]" italics="true" pageId="60" pageNumber="61">Stephonyx</emphasis>
</taxonomicName>
have chelate first gnathopods.
<taxonomicName authorityName="Shoemaker" authorityYear="1964" box="[1367,1435,1748,1773]" class="Malacostraca" family="Uristidae" genus="Kyska" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[1367,1435,1748,1773]" italics="true" pageId="60" pageNumber="61">Kyska</emphasis>
</taxonomicName>
differs from
<taxonomicName authorityName="Norman" authorityYear="1867" box="[292,376,1785,1808]" class="Malacostraca" family="Uristidae" genus="Euonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[292,376,1785,1808]" italics="true" pageId="60" pageNumber="61">Euonyx</emphasis>
</taxonomicName>
and
<taxonomicName authorityName="Lowry &amp; Stoddart" authorityYear="1989" box="[430,544,1783,1808]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[430,544,1783,1808]" italics="true" pageId="60" pageNumber="61">Stephonyx</emphasis>
</taxonomicName>
in having a fully developed gnathopod 1 coxa (significantly reduced in
<taxonomicName authorityName="Norman" authorityYear="1867" box="[1352,1436,1785,1808]" class="Malacostraca" family="Uristidae" genus="Euonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[1352,1436,1785,1808]" italics="true" pageId="60" pageNumber="61">Euonyx</emphasis>
</taxonomicName>
and
<taxonomicName authorityName="Lowry &amp; Stoddart" authorityYear="1989" box="[198,312,1820,1845]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[198,312,1820,1845]" italics="true" pageId="60" pageNumber="61">Stephonyx</emphasis>
</taxonomicName>
).
<taxonomicName authorityName="Lowry &amp; Stoddart" authorityYear="1989" box="[335,449,1820,1845]" class="Malacostraca" family="Uristidae" genus="Stephonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[335,449,1820,1845]" italics="true" pageId="60" pageNumber="61">Stephonyx</emphasis>
</taxonomicName>
is a genus of scavengers with fully developed 7/4 crown of setal-teeth on the outer plate of maxilla 1 whereas
<taxonomicName authorityName="Norman" authorityYear="1867" box="[394,478,1857,1880]" class="Malacostraca" family="Uristidae" genus="Euonyx" kingdom="Animalia" order="Amphipoda" pageId="60" pageNumber="61" phylum="Arthropoda" rank="genus">
<emphasis box="[394,478,1857,1880]" italics="true" pageId="60" pageNumber="61">Euonyx</emphasis>
</taxonomicName>
is a genus of ectoparasitic amphipod with strongly reduced (small) setal-teeth on the outer plate of maxilla 1.
</paragraph>
</subSubSection>
</treatment>
</document>