303 lines
37 KiB
XML
303 lines
37 KiB
XML
<document id="C563BC89011A638A161B400A35E1B130" 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="03DFE565EA61D474FF13336AD4C5FAD7" 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="Hemijassa Walker 1907" docType="treatment" docVersion="6" lastPageNumber="31" masterDocId="FFE69D1DEA7CD46AFF843708D564FFDA" masterDocTitle="New genera for species of Jassa Leach (Crustacea: Amphipoda) and their relationship to a revised Ischyrocerini" masterLastPageNumber="72" masterPageNumber="1" pageNumber="30" updateTime="1698926504305" updateUser="ExternalLinkService">
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<mods:titleInfo id="07679027639ED608CEED29447F00A36D">
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<mods:title id="D8C81A8F039DE987803C761C85A91449">New genera for species of Jassa Leach (Crustacea: Amphipoda) and their relationship to a revised Ischyrocerini</mods:title>
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<mods:name id="BF9336D9D1E3FFDD61B52081C1C87143" type="personal">
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<mods:namePart id="367152B7C42D3EBE37DD3F918D4B6A1E">Conlan, Kathleen E.</mods:namePart>
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<mods:typeOfResource id="EDBA90FBD7BCD8DB214863EEB60FBB57">text</mods:typeOfResource>
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<mods:title id="B92F03055F4A6874D64268290A0DBC58">Zootaxa</mods:title>
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<mods:part id="D11AAD6C3252C9622FAE3463D7B0CC53">
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<mods:date id="F62C8372E93F45F1159C9C9413C4A6A4">2021</mods:date>
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<mods:number id="9367D2ED8810BE6986D55326FE98A6DF">2021-02-03</mods:number>
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<mods:detail id="4771363C3D48BA0C1C7A503DA8692DBF" type="volume">
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<mods:number id="A5CB4376C0B92CAB8C6261739F37BB52">4921</mods:number>
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<mods:start id="1D0ED23A92C0BD71D72B2DA8A59C7AD4">1</mods:start>
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<mods:identifier id="AA9C3497A74D75599712EF682446B464" type="CLB-Dataset">8297</mods:identifier>
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<mods:identifier id="D6DE72D1C1C226FE1A14279BD44BEFC2" type="DOI">10.11646/zootaxa.4921.1.1</mods:identifier>
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<mods:identifier id="2A8737AD92124D159AC46B031D5F1100" type="ISSN">1175-5326</mods:identifier>
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<treatment id="03DFE565EA61D474FF13336AD4C5FAD7" ID-DOI="http://doi.org/10.5281/zenodo.4534317" ID-GBIF-Taxon="177318890" ID-Zenodo-Dep="4534317" LSID="urn:lsid:plazi:treatment:03DFE565EA61D474FF13336AD4C5FAD7" httpUri="http://treatment.plazi.org/id/03DFE565EA61D474FF13336AD4C5FAD7" lastPageId="30" lastPageNumber="31" pageId="29" pageNumber="30">
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<subSubSection id="C36C07F8EA61D477FF13336AD4D8FB65" pageId="29" pageNumber="30" type="discussion">
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<subSubSection id="C36C07F8EA61D477FF13336AD76AFBA6" box="[151,526,1122,1149]" pageId="29" pageNumber="30" type="nomenclature">
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<paragraph id="8BC95473EA61D477FF13336AD76AFBA6" blockId="29.[151,526,1122,1149]" box="[151,526,1122,1149]" pageId="29" pageNumber="30">
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<emphasis id="B9028861EA61D477FF13336AD76AFBA6" bold="true" box="[151,526,1122,1149]" pageId="29" pageNumber="30">
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Genus
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<taxonomicName id="4C762FF0EA61D477FF6E336BD76DFBA6" ID-CoL="8586S" authority="Walker, 1907" authorityName="Walker" authorityYear="1907" box="[234,521,1122,1149]" class="Malacostraca" family="Ischyroceridae" genus="Hemijassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="genus">
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<emphasis id="B9028861EA61D477FF6E336BD407FBA7" bold="true" box="[234,355,1123,1149]" italics="true" pageId="29" pageNumber="30">Hemijassa</emphasis>
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<bibRefCitation id="EFE72982EA61D477FEEF336BD76DFBA6" author="Walker, A. O." box="[363,521,1122,1149]" pageId="29" pageNumber="30" 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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</taxonomicName>
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.
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</emphasis>
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</paragraph>
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</subSubSection>
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<subSubSection id="C36C07F8EA61D477FF1333A0D4D8FB65" box="[151,444,1191,1215]" pageId="29" pageNumber="30" type="reference_group">
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<paragraph id="8BC95473EA61D477FF1333A0D4D8FB65" blockId="29.[151,444,1191,1215]" box="[151,444,1191,1215]" pageId="29" pageNumber="30">
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<taxonomicName id="4C762FF0EA61D477FF1333A0D4F5FB65" ID-CoL="8586S" authority="Walker, 1907" authorityName="Walker" authorityYear="1907" box="[151,401,1191,1215]" class="Malacostraca" family="Ischyroceridae" genus="Hemijassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="29" pageNumber="30" phylum="Arthropoda" rank="genus">
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<emphasis id="B9028861EA61D477FF1333A0D466FB65" box="[151,258,1192,1215]" italics="true" pageId="29" pageNumber="30">Hemijassa</emphasis>
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<bibRefCitation id="EFE72982EA61D477FE8C33AFD4F5FB65" author="Walker, A. O." box="[264,401,1191,1215]" pageId="29" pageNumber="30" 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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</taxonomicName>
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, 38.
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</paragraph>
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</subSubSection>
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</subSubSection>
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<subSubSection id="C36C07F8EA61D474FF1333E5D785FD5F" lastPageId="30" lastPageNumber="31" pageId="29" pageNumber="30" type="description">
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<paragraph id="8BC95473EA61D477FF1333E5D788FADD" blockId="29.[151,1437,1261,2008]" box="[151,748,1261,1288]" pageId="29" pageNumber="30">
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<emphasis id="B9028861EA61D477FF1333E5D4E3FADD" bold="true" box="[151,391,1261,1287]" pageId="29" pageNumber="30">Description of male.</emphasis>
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Maximum body length
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<quantity id="4C8EF996EA61D477FD1233E5D781FAD2" box="[662,741,1261,1288]" metricMagnitude="-2" metricUnit="m" metricValue="2.2" pageId="29" pageNumber="30" unit="mm" value="22.0">22 mm</quantity>
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.
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</paragraph>
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<paragraph id="8BC95473EA61D477FF433219D75BFAF1" blockId="29.[151,1437,1261,2008]" box="[199,575,1297,1324]" pageId="29" pageNumber="30">
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<emphasis id="B9028861EA61D477FF433219D45FFAF1" box="[199,315,1297,1323]" italics="true" pageId="29" pageNumber="30">Head lobe</emphasis>
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: squared, angles acute.
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</paragraph>
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<paragraph id="8BC95473EA61D477FF43323ED1AFFA95" blockId="29.[151,1437,1261,2008]" box="[199,1227,1333,1360]" pageId="29" pageNumber="30">
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<emphasis id="B9028861EA61D477FF43323ED45EFA95" box="[199,314,1333,1360]" italics="true" pageId="29" pageNumber="30">Antenna 1</emphasis>
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: accessory flagellum 2 articles, the second minute, only the second article setose.
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</paragraph>
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<paragraph id="8BC95473EA61D477FF433252D5BDFA61" blockId="29.[151,1437,1261,2008]" pageId="29" pageNumber="30">
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<emphasis id="B9028861EA61D477FF433252D45FFAA9" box="[199,315,1369,1396]" italics="true" pageId="29" pageNumber="30">Antenna 2</emphasis>
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: stouter and longer than antenna 1, the filter setae progressively shorter; flagellum with all but the first article bearing spines on the posterior margin, first article considerably longer than any of the following articles.
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</paragraph>
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<paragraph id="8BC95473EA61D477FF4332CDD7E4F9D9" blockId="29.[151,1437,1261,2008]" pageId="29" pageNumber="30">
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<emphasis id="B9028861EA61D477FF4332CDD450FA05" box="[199,308,1477,1503]" italics="true" pageId="29" pageNumber="30">Maxilla 1</emphasis>
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: inner plate bearing a few short, fine setae; palp without setae at the base of article 1; article 2 with many scattered rows of facial setae distally.
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</paragraph>
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<paragraph id="8BC95473EA61D477FF433105D428F991" blockId="29.[151,1437,1261,2008]" pageId="29" pageNumber="30">
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<emphasis id="B9028861EA61D477FF433105D438F9FD" box="[199,348,1549,1575]" italics="true" pageId="29" pageNumber="30">Gnathopod 1</emphasis>
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: coxa rectangular; propodus, palm defined by 4 spines located proximally of centre; dactyl not facially striated.
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</paragraph>
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<paragraph id="8BC95473EA61D477FF43315DD745F8F9" blockId="29.[151,1437,1261,2008]" pageId="29" pageNumber="30">
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<emphasis id="B9028861EA61D477FF43315DD43EF9B5" box="[199,346,1621,1647]" italics="true" pageId="29" pageNumber="30">Gnathopod 2</emphasis>
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: with a gill; coxa not deeper posteriorly; basis, filter setae simple or finely barbed and located on the anterolateral flange only; carpus less than 1/4 propodus length; propodus with a pronunced conical, multiply incised tooth below the dactyl hinge, and a larger acute thumb with 3 minute palmar defining spines at its tip, thumb setose on both inner and outer margins; dactyl shorter than the propodus, inner margin not expanded, tip resting on the tip of the thumb or between the thumb’s anterior margin and the palm; dactyl cusps reduced to small buttons interspersed with a few short setae.
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</paragraph>
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<paragraph id="8BC95473EA61D477FF433025D1F6F8B1" blockId="29.[151,1437,1261,2008]" pageId="29" pageNumber="30">
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<emphasis id="B9028861EA61D477FF433025D4F2F89D" box="[199,406,1837,1863]" italics="true" pageId="29" pageNumber="30">Pereopods 3 and 4</emphasis>
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: coxae rectangular; basis, margins more parallel than convex; merus slightly overlapping the carpus, anterior margin bearing discrete clusters of setae; propodus not posteriorly spinose.
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</paragraph>
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<paragraph id="8BC95473EA61D477FF43307DD634F80D" blockId="29.[151,1437,1261,2008]" pageId="29" pageNumber="30">
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<emphasis id="B9028861EA61D477FF43307DD40BF84A" box="[199,367,1909,1936]" italics="true" pageId="29" pageNumber="30">Pereopods 5–7</emphasis>
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: at least one basis posterodistally produced, anterior margin with a few short setae; merus and carpus, posterior margin not spinose; dactyl without facial serrations, posterior (outer) margin not cusped distally, anterior (inner) margin bearing a row of setae along its length.
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</paragraph>
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<paragraph id="8BC95473EA62D474FF43379FD124FF6B" blockId="30.[151,1437,151,1293]" box="[199,1088,151,177]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF43379FD44BFF6B" box="[199,303,151,177]" italics="true" pageId="30" pageNumber="31">Pleopods</emphasis>
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: rami long, length> depth of the pleon, each with>2 coupling hooks.
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</paragraph>
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<paragraph id="8BC95473EA62D474FF4337B3D636FF0F" blockId="30.[151,1437,151,1293]" box="[199,850,187,213]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF4337B3D449FF0E" box="[199,301,187,212]" italics="true" pageId="30" pageNumber="31">Urosome</emphasis>
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: segment 1 bearing a pair of erect setae dorsally.
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</paragraph>
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<paragraph id="8BC95473EA62D474FF4337D7D67EFEBF" blockId="30.[151,1437,151,1293]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF4337D7D457FF23" box="[199,307,223,249]" italics="true" pageId="30" pageNumber="31">Uropod 3</emphasis>
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: peduncle mid-ventrally setose and spinose, without spines mid-dorsally, with a ventral row of short setae, with a crown of spines dorsomedially at the insertion of the rami and a cluster of setae distolaterally; outer ramus not setose mid-dorsally, tipped by a basally immersed, dorsally recurved spine and minute serrations dorsally, but without cusps; inner ramus with a single apical spine.
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</paragraph>
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<paragraph id="8BC95473EA62D474FF433667D4DCFE77" blockId="30.[151,1437,151,1293]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF433667D46BFE53" box="[199,271,367,393]" italics="true" pageId="30" pageNumber="31">Telson</emphasis>
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: each corner with a pair of dorsolateral cusps and accompanying setae (1 long, simple and 2 short, plumose) but without spines.
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</paragraph>
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<paragraph id="8BC95473EA62D474FF4336BED5B0FE2F" blockId="30.[151,1437,151,1293]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF4336BED77FFE0A" bold="true" box="[199,539,438,465]" pageId="30" pageNumber="31">Description of adult female.</emphasis>
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Maximum body length
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<quantity id="4C8EF996EA62D474FCB036BFD6E1FE0B" box="[820,901,439,465]" metricMagnitude="-2" metricUnit="m" metricValue="2.0" pageId="30" pageNumber="31" unit="mm" value="20.0">20 mm</quantity>
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. Character states as in the male except as follows.
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</paragraph>
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<paragraph id="8BC95473EA62D474FF4336F7D790FDC3" blockId="30.[151,1437,151,1293]" box="[199,756,511,537]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF4336F7D432FDC3" box="[199,342,511,537]" italics="true" pageId="30" pageNumber="31">Brood plates</emphasis>
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: broad, setae abundant, hook-tipped.
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</paragraph>
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<paragraph id="8BC95473EA62D474FF43352BD12EFDE7" blockId="30.[151,1437,151,1293]" box="[199,1098,547,573]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF43352BD45EFDE7" box="[199,314,547,573]" italics="true" pageId="30" pageNumber="31">Antenna 2</emphasis>
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: peduncle, posterior filter setae long, not shorter in larger individuals.
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</paragraph>
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<paragraph id="8BC95473EA62D474FF43354FD1A9FDBB" blockId="30.[151,1437,151,1293]" box="[199,1229,583,609]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF43354FD43EFDBB" box="[199,346,583,609]" italics="true" pageId="30" pageNumber="31">Gnathopod 2</emphasis>
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: propodus and dactyl much larger and different in shape from that of the male.
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</paragraph>
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<paragraph id="8BC95473EA62D474FF433563D785FD5F" blockId="30.[151,1437,151,1293]" box="[199,737,619,645]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF433563D4FDFD5F" box="[199,409,619,645]" italics="true" pageId="30" pageNumber="31">Pereopods 3 and 4</emphasis>
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: basis slender as in the male.
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</paragraph>
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</subSubSection>
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<subSubSection id="C36C07F8EA62D474FF433587D632FD73" box="[199,854,654,681]" pageId="30" pageNumber="31" type="type_taxon">
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<paragraph id="8BC95473EA62D474FF433587D632FD73" blockId="30.[151,1437,151,1293]" box="[199,854,654,681]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF433587D406FD72" bold="true" box="[199,354,654,681]" pageId="30" pageNumber="31">
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<typeStatus id="54CDEAD1EA62D474FF433587D466FD73" box="[199,258,655,681]" pageId="30" pageNumber="31">Type</typeStatus>
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species.
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</emphasis>
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<taxonomicName id="4C762FF0EA62D474FEED3587D7A7FD73" ID-CoL="854Q6" authority="Walker, 1903" authorityName="Walker" authorityYear="1903" box="[361,707,655,681]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="goniamera">
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<emphasis id="B9028861EA62D474FEED3587D743FD72" box="[361,551,655,680]" italics="true" pageId="30" pageNumber="31">Jassa goniamera</emphasis>
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<bibRefCitation id="EFE72982EA62D474FDAA3587D7A7FD73" author="Walker, A. O." box="[558,707,655,681]" pageId="30" pageNumber="31" pagination="38 - 64" refId="ref43490" refString="Walker, A. O. (1903) Amphipoda of the " Southern Cross " Antarctic Expedition. Journal of the Linnean Society of London, Zoology, 29 (187), 38 - 64. https: // doi. org / 10.1111 / j. 1096 - 3642.1903. tb 00425. x" type="journal article" year="1903">Walker, 1903</bibRefCitation>
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</taxonomicName>
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(monotypy).
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</paragraph>
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</subSubSection>
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<subSubSection id="C36C07F8EA62D474FF4335BBD4C5FAD7" pageId="30" pageNumber="31" type="discussion">
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<paragraph id="8BC95473EA62D474FF4335BBD4C5FAD7" blockId="30.[151,1437,151,1293]" pageId="30" pageNumber="31">
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<emphasis id="B9028861EA62D474FF4335BBD45FFD17" bold="true" box="[199,315,691,717]" pageId="30" pageNumber="31">Remarks.</emphasis>
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<bibRefCitation id="EFE72982EA62D474FEC035BBD48DFD17" author="Walker, A. O." box="[324,489,691,717]" pageId="30" pageNumber="31" pagination="38 - 64" refId="ref43490" refString="Walker, A. O. (1903) Amphipoda of the " Southern Cross " Antarctic Expedition. Journal of the Linnean Society of London, Zoology, 29 (187), 38 - 64. https: // doi. org / 10.1111 / j. 1096 - 3642.1903. tb 00425. x" type="journal article" year="1903">Walker (1903)</bibRefCitation>
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first suggested the genus name but decided to place his new species (
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<taxonomicName id="4C762FF0EA62D474FA9E35BBD0F7FD16" authorityName="Walker" authorityYear="1903" box="[1306,1427,691,716]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="goniamera">
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<emphasis id="B9028861EA62D474FA9E35BBD0F7FD16" box="[1306,1427,691,716]" italics="true" pageId="30" pageNumber="31">goniamera</emphasis>
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</taxonomicName>
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) under
|
||
<taxonomicName id="4C762FF0EA62D474FF6435DFD47AFD2A" baseAuthorityName="Conlan" baseAuthorityYear="1989" box="[224,286,727,752]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FF6435DFD47AFD2A" box="[224,286,727,752]" italics="true" pageId="30" pageNumber="31">Jassa</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<bibRefCitation id="EFE72982EA62D474FEAA35DFD4B6FD2B" author="Walker, A. O." box="[302,466,727,753]" pageId="30" pageNumber="31" 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>
|
||
transferred
|
||
<taxonomicName id="4C762FF0EA62D474FDD935DFD797FD2A" authorityName="Walker" authorityYear="1903" box="[605,755,727,752]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="goniamera">
|
||
<emphasis id="B9028861EA62D474FDD935DFD797FD2A" box="[605,755,727,752]" italics="true" pageId="30" pageNumber="31">J. goniamera</emphasis>
|
||
</taxonomicName>
|
||
to
|
||
<taxonomicName id="4C762FF0EA62D474FC9F35DFD6F5FD2A" authorityName="Walker" authorityYear="1907" box="[795,913,727,752]" class="Malacostraca" family="Ischyroceridae" genus="Hemijassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FC9F35DFD6F5FD2A" box="[795,913,727,752]" italics="true" pageId="30" pageNumber="31">Hemijassa</emphasis>
|
||
</taxonomicName>
|
||
after it was pointed out by other taxonomists that it did not fit in
|
||
<taxonomicName id="4C762FF0EA62D474FEEB35F3D4C9FCCE" baseAuthorityName="Conlan" baseAuthorityYear="1989" box="[367,429,763,788]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FEEB35F3D4C9FCCE" box="[367,429,763,788]" italics="true" pageId="30" pageNumber="31">Jassa</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C762FF0EA62D474FE3E35F3D72EFCCF" authorityName="Kroyer" authorityYear="1838" box="[442,586,763,789]" class="Malacostraca" family="Ischyroceridae" genus="Ischyrocerus" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FE3E35F3D72EFCCF" box="[442,586,763,789]" italics="true" pageId="30" pageNumber="31">Ischyrocerus</emphasis>
|
||
</taxonomicName>
|
||
or
|
||
<taxonomicName id="4C762FF0EA62D474FDEA35F3D6F5FCCF" authority="Norman, 1905" authorityName="Norman" authorityYear="1905" box="[622,913,762,789]" class="Malacostraca" family="Ischyroceridae" genus="Bruzeliella" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FDEA35F3D78DFCCF" box="[622,745,763,789]" italics="true" pageId="30" pageNumber="31">Bruzeliella</emphasis>
|
||
<bibRefCitation id="EFE72982EA62D474FD7435F3D6F5FCCF" author="Norman, A. M." box="[752,913,762,789]" pageId="30" pageNumber="31" pagination="78 - 95" refId="ref41521" refString="Norman, A. M. (1905) VIII-Revised nomenclature of the species described in Bate and Westwood's ' British Sessile-eyed Crustacea'. Journal of Natural History, 16 (91), 78 - 95." type="journal article" year="1905">Norman, 1905</bibRefCitation>
|
||
</taxonomicName>
|
||
(the latter synonymized by
|
||
<bibRefCitation id="EFE72982EA62D474FB4C35F3D032FCCF" author="Walker, A. O." box="[1224,1366,763,789]" pageId="30" pageNumber="31" pagination="67 - 72" refId="ref43705" refString="Walker, A. O. (1911) Notes on Jassa falcata (Mont.). Transactions of the Liverpool Biological Society, 25, 67 - 72." type="journal article" year="1911">Walker 1911</bibRefCitation>
|
||
under
|
||
<taxonomicName id="4C762FF0EA62D474FF133417D5B1FCE2" baseAuthorityName="Conlan" baseAuthorityYear="1989" box="[151,213,799,824]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FF133417D5B1FCE2" box="[151,213,799,824]" italics="true" pageId="30" pageNumber="31">Jassa</emphasis>
|
||
</taxonomicName>
|
||
) based on characteristics of the antennal accessory flagellum and uropod 3. However, taxonomists appear to have disregarded the transfer of
|
||
<taxonomicName id="4C762FF0EA62D474FD8C344BD7F9FC86" authorityName="Walker" authorityYear="1903" box="[520,669,835,860]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="goniamera">
|
||
<emphasis id="B9028861EA62D474FD8C344BD7F9FC86" box="[520,669,835,860]" italics="true" pageId="30" pageNumber="31">J. goniamera</emphasis>
|
||
</taxonomicName>
|
||
to
|
||
<taxonomicName id="4C762FF0EA62D474FD40344BD65EFC86" authorityName="Walker" authorityYear="1907" box="[708,826,835,860]" class="Malacostraca" family="Ischyroceridae" genus="Hemijassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FD40344BD65EFC86" box="[708,826,835,860]" italics="true" pageId="30" pageNumber="31">Hemijassa</emphasis>
|
||
</taxonomicName>
|
||
and continued to assign
|
||
<taxonomicName id="4C762FF0EA62D474FBD3344BD190FC86" authorityName="Walker" authorityYear="1903" box="[1111,1268,835,860]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="goniamera">
|
||
<emphasis id="B9028861EA62D474FBD3344BD190FC86" box="[1111,1268,835,860]" italics="true" pageId="30" pageNumber="31">H. goniamera</emphasis>
|
||
</taxonomicName>
|
||
to
|
||
<taxonomicName id="4C762FF0EA62D474FA9F344BD03DFC86" baseAuthorityName="Conlan" baseAuthorityYear="1989" box="[1307,1369,835,860]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FA9F344BD03DFC86" box="[1307,1369,835,860]" italics="true" pageId="30" pageNumber="31">Jassa</emphasis>
|
||
</taxonomicName>
|
||
, as
|
||
<taxonomicName id="4C762FF0EA62D474FA0D344BD474FC5A" authorityName="Walker" authorityYear="1903" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="goniamera">
|
||
<emphasis id="B9028861EA62D474FA0D344BD474FC5A" italics="true" pageId="30" pageNumber="31">J. goniamera</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C762FF0EA62D474FE9A346FD72FFC5B" authority="(Montagu, 1808)" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[286,587,871,897]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B9028861EA62D474FE9A346FD4E1FC5B" box="[286,389,871,897]" italics="true" pageId="30" pageNumber="31">J. falcata</emphasis>
|
||
(Montagu, 1808)
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C762FF0EA62D474FDD2346FD634FC5B" authority="Pfeffer, 1888" authorityName="Pfeffer. Since Schellenberg" authorityYear="1888" box="[598,848,871,897]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="ingens">
|
||
<emphasis id="B9028861EA62D474FDD2346FD7DCFC5A" box="[598,696,871,896]" italics="true" pageId="30" pageNumber="31">J. ingens</emphasis>
|
||
<bibRefCitation id="EFE72982EA62D474FD3B346FD634FC5B" author="Pfeffer, G." box="[703,848,871,897]" pageId="30" pageNumber="31" pagination="75 - 142" refId="ref41609" refString="Pfeffer, G. (1888) Die krebse von S ʾ d-Georgien nach der ausbeute der Deutschen station 1882 - 83. 2. Die Amphipoden. Hamburg Wissenschafftlichen Anstalten Jahrbuch, 5, 75 - 142. https: // doi. org / 10.5962 / bhl. title. 10084" type="journal article" year="1888">Pfeffer, 1888</bibRefCitation>
|
||
</taxonomicName>
|
||
or
|
||
<taxonomicName id="4C762FF0EA62D474FCF0346FD682FC5B" authorityName="Conlan" authorityYear="2021" baseAuthorityName="Chevreux" baseAuthorityYear="1906" box="[884,998,871,897]" class="Malacostraca" family="Ischyroceridae" genus="Pleojassa" higherTaxonomySource="CoL" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="wandeli">
|
||
<emphasis id="B9028861EA62D474FCF0346FD682FC5B" box="[884,998,871,897]" italics="true" pageId="30" pageNumber="31">J. wandeli</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation id="EFE72982EA62D474FC70346FD1BDFC5B" author="Bellan-Santini, D." box="[1012,1241,871,897]" pageId="30" pageNumber="31" pagination="157 - 238" refId="ref38038" refString="Bellan-Santini, D. (1972) Invertebres marins des XIIeme et XVeme Expeditions Antarctiques Francaises en Terre Adelie. 10. Amphipodes Gammariens. Tethys, 4, 157 - 238." type="journal article" year="1972">Bellan-Santini 1972</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFE72982EA62D474FB67346FD0FCFC5B" author="Thurston, M. H." box="[1251,1432,871,897]" pageId="30" pageNumber="31" pagination="1 - 133" refId="ref43108" refString="Thurston, M. H. (1974 b) The Crustacea Amphipoda of Signy Island, South Orkney Islands. British Antarctic Survey Scientific Reports, 71, 1 - 133." type="journal article" year="1974">Thurston 1974b</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFE72982EA62D474FF133483D4FBFC7C" author="Lowry, J. K. & Bullock, S." box="[151,415,907,934]" pageId="30" pageNumber="31" pagination="1 - 187" refId="ref41027" refString="Lowry, J. K. & Bullock, S. (1976) Catalogue of the Marine Gammaridean Amphipoda of the Southern Ocean. Bulletin of the Royal Society of New Zealand, 16, 1 - 187." type="journal article" year="1976">Lowry & Bullock 1976</bibRefCitation>
|
||
).
|
||
<bibRefCitation id="EFE72982EA62D474FE313483D7C9FC7F" author="Sexton, E. W. & Reid, D. M." box="[437,685,906,933]" pageId="30" pageNumber="31" pagination="29 - 91" refId="ref42360" refString="Sexton, E. W. & Reid, D. M. (1951) The life-history of the multiform species Jassa falcata (Montagu) (Crustacea Amphipoda) with a review of the bibliography of the species. Journal of the Linnean Society of London, Zoology, 42 (283), 29 - 91. https: // doi. org / 10.1111 / j. 1096 - 3642.1951. tb 01852. x" type="journal article" year="1951">Sexton & Reid (1951)</bibRefCitation>
|
||
erroneously submerged the genus and species under
|
||
<taxonomicName id="4C762FF0EA62D474FA863483D0F1FC7F" baseAuthorityName="Montagu" baseAuthorityYear="1808" box="[1282,1429,907,933]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="falcata">
|
||
<emphasis id="B9028861EA62D474FA863483D0F1FC7F" box="[1282,1429,907,933]" italics="true" pageId="30" pageNumber="31">Jassa falcata</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<taxonomicName id="4C762FF0EA62D474FF1334A7D469FC12" authorityName="Walker" authorityYear="1907" box="[151,269,943,968]" class="Malacostraca" family="Ischyroceridae" genus="Hemijassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FF1334A7D469FC12" box="[151,269,943,968]" italics="true" pageId="30" pageNumber="31">Hemijassa</emphasis>
|
||
</taxonomicName>
|
||
is formally re-erected here as
|
||
<taxonomicName id="4C762FF0EA62D474FDE734A7D79AFC12" authorityName="Walker" authorityYear="1903" box="[611,766,943,968]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="goniamera">
|
||
<emphasis id="B9028861EA62D474FDE734A7D79AFC12" box="[611,766,943,968]" italics="true" pageId="30" pageNumber="31">H. goniamera</emphasis>
|
||
</taxonomicName>
|
||
is clearly not a species of
|
||
<taxonomicName id="4C762FF0EA62D474FBAC34A7D102FC12" baseAuthorityName="Conlan" baseAuthorityYear="1989" box="[1064,1126,943,968]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FBAC34A7D102FC12" box="[1064,1126,943,968]" italics="true" pageId="30" pageNumber="31">Jassa</emphasis>
|
||
</taxonomicName>
|
||
, as noted by
|
||
<bibRefCitation id="EFE72982EA62D474FB7834A7D0FCFC13" author="Conlan, K. E." box="[1276,1432,943,969]" pageId="30" pageNumber="31" pagination="601 - 625" refId="ref38829" refString="Conlan, K. E. (1989) Delayed reproduction and adult dimorphism in males of the amphipod genus Jassa (Corophioidea: Ischyroceridae): an explanation for systematic confusion. Journal of Crustacean Biology, 9, 601 - 625. https: // doi. org / 10.1163 / 193724089 X 00629" type="journal article" year="1989">Conlan (1989</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="EFE72982EA62D474FF1334DBD5B7FC37" author="Conlan, K. E." box="[151,211,979,1005]" pageId="30" pageNumber="31" pagination="2031 - 2075" refId="ref38885" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">1990</bibRefCitation>
|
||
). In
|
||
<taxonomicName id="4C762FF0EA62D474FE8334DBD419FC36" authorityName="Walker" authorityYear="1907" box="[263,381,979,1004]" class="Malacostraca" family="Ischyroceridae" genus="Hemijassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FE8334DBD419FC36" box="[263,381,979,1004]" italics="true" pageId="30" pageNumber="31">Hemijassa</emphasis>
|
||
</taxonomicName>
|
||
, gnathopod 2 morphology is unlike that of
|
||
<taxonomicName id="4C762FF0EA62D474FCED34DBD6C3FC36" baseAuthorityName="Conlan" baseAuthorityYear="1989" box="[873,935,979,1004]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FCED34DBD6C3FC36" box="[873,935,979,1004]" italics="true" pageId="30" pageNumber="31">Jassa</emphasis>
|
||
</taxonomicName>
|
||
. The “thumb” is at, rather than distal to, the palmar defining spines, and occurs in both sexes. The “thumb” in
|
||
<taxonomicName id="4C762FF0EA62D474FC0E34FFD164FBCA" authorityName="Walker" authorityYear="1907" box="[906,1024,1015,1040]" class="Malacostraca" family="Ischyroceridae" genus="Hemijassa" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FC0E34FFD164FBCA" box="[906,1024,1015,1040]" italics="true" pageId="30" pageNumber="31">Hemijassa</emphasis>
|
||
</taxonomicName>
|
||
could be considered homologous to the ledge that develops at the defining spines in
|
||
<taxonomicName id="4C762FF0EA62D474FD383313D698FBEF" authority="Conlan, 1990" authorityName="Conlan" authorityYear="1990" box="[700,1020,1051,1077]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="morinoi">
|
||
<emphasis id="B9028861EA62D474FD383313D638FBEE" box="[700,860,1051,1076]" italics="true" pageId="30" pageNumber="31">Jassa morinoi</emphasis>
|
||
<bibRefCitation id="EFE72982EA62D474FCE03313D698FBEF" author="Conlan, K. E." box="[868,1020,1051,1077]" pageId="30" pageNumber="31" pagination="2031 - 2075" refId="ref38885" refString="Conlan, K. E. (1990) Revision of the crustacean amphipod genus Jassa Leach (Corophioidea: Ischyroceridae). Canadian Journal of Zoology, 68, 2031 - 2075. https: // doi. org / 10.1139 / z 90 - 288" type="journal article" year="1990">Conlan, 1990</bibRefCitation>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C762FF0EA62D474FBB03313D1FDFBEE" authorityName="Pfeffer. Since Schellenberg" authorityYear="1888" box="[1076,1177,1051,1076]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="species" species="ingens">
|
||
<emphasis id="B9028861EA62D474FBB03313D1FDFBEE" box="[1076,1177,1051,1076]" italics="true" pageId="30" pageNumber="31">J. ingens</emphasis>
|
||
</taxonomicName>
|
||
, and thus bears no homology to the
|
||
<taxonomicName id="4C762FF0EA62D474FEBA3337D418FB82" baseAuthorityName="Conlan" baseAuthorityYear="1989" box="[318,380,1087,1112]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FEBA3337D418FB82" box="[318,380,1087,1112]" italics="true" pageId="30" pageNumber="31">Jassa</emphasis>
|
||
</taxonomicName>
|
||
thumb at all. There is no evidence of a transformational increase in thumb length relative to body length as occurs in
|
||
<taxonomicName id="4C762FF0EA62D474FE2B336BD489FBA6" baseAuthorityName="Conlan" baseAuthorityYear="1989" box="[431,493,1123,1148]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FE2B336BD489FBA6" box="[431,493,1123,1148]" italics="true" pageId="30" pageNumber="31">Jassa</emphasis>
|
||
</taxonomicName>
|
||
. The lack of sexual difference in the shape of the bases of pereopods 3 and 4 is also suggestive of a different sexual life style. In
|
||
<taxonomicName id="4C762FF0EA62D474FD0E338FD7ACFB7A" baseAuthorityName="Conlan" baseAuthorityYear="1989" box="[650,712,1159,1184]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FD0E338FD7ACFB7A" box="[650,712,1159,1184]" italics="true" pageId="30" pageNumber="31">Jassa</emphasis>
|
||
</taxonomicName>
|
||
, the pereopod 3 and 4 bases are broadly convex in non-thumbed males and females but slender in thumbed males. This difference corresponds with abandonment of a tubicolous lifestyle in
|
||
<taxonomicName id="4C762FF0EA62D474FE9D33C7D433FB32" baseAuthorityName="Conlan" baseAuthorityYear="1989" box="[281,343,1231,1256]" class="Malacostraca" family="Ischyroceridae" genus="Jassa" kingdom="Animalia" order="Amphipoda" pageId="30" pageNumber="31" phylum="Arthropoda" rank="genus">
|
||
<emphasis id="B9028861EA62D474FE9D33C7D433FB32" box="[281,343,1231,1256]" italics="true" pageId="30" pageNumber="31">Jassa</emphasis>
|
||
</taxonomicName>
|
||
once the males develop a thumb and a roving behaviour in search of receptive females to mate with (
|
||
<bibRefCitation id="EFE72982EA62D474FF5C33FBD4F1FAD7" author="Borowsky, B." box="[216,405,1266,1293]" pageId="30" pageNumber="31" pagination="497 - 502" refId="ref38385" refString="Borowsky, B. (1985) Differences in reproductive behavior between two male morphs of the amphipod crustacean Jassa falcata Montagu. Physiological Zoology, 58, 497 - 502. https: // doi. org / 10.1086 / physzool. 58.5.30158577" type="journal article" year="1985">Borowsky, 1985</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |