291 lines
36 KiB
XML
291 lines
36 KiB
XML
<document id="E02134369479A82FB9E32017C88070B7" ID-DOI="10.1080/00222930210133237" ID-ISSN="1464-5262" ID-Zenodo-Dep="5263100" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629938155809" checkinUser="felipe" docAuthor="González, Exequiel R. & Watling, Les" docDate="2003" docId="400987A0FF87741EFDF9FB90FD64FCDC" docLanguage="en" docName="JNatHist.37.17.2045-2076.pdf" docOrigin="Journal of Natural History 37 (17)" docSource="http://www.tandfonline.com/doi/abs/10.1080/00222930210133237" docStyle="DocumentStyle:443144A73DAE3E092C51A378E4CD0138.2:JNatHist.2003-2004.journal_article.1cover" docStyleId="443144A73DAE3E092C51A378E4CD0138" docStyleName="JNatHist.2003-2004.journal_article.1cover" docStyleVersion="2" docTitle="Hyalella warmingi Stebbing 1899" docType="treatment" docVersion="3" lastPageNumber="2067" masterDocId="BC30FFD8FF977409FFAEFFF3FFC1FFB7" masterDocTitle="A new species of Hyalella from Brazil (Crustacea: Amphipoda: Hyalellidae), with redescriptions of three other species in the genus" masterLastPageNumber="2076" masterPageNumber="2045" pageNumber="2060" updateTime="1699129067787" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:titleInfo id="21D1C72FBA5717302E5B8FD9AE799004">
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<mods:title id="B04EF106B3E56E3E246F475FEFAFD64F">A new species of Hyalella from Brazil (Crustacea: Amphipoda: Hyalellidae), with redescriptions of three other species in the genus</mods:title>
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<mods:name id="ADDCA57F3C632F398662CD75FE406BF3" type="personal">
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<mods:namePart id="6185DBD287A1B3F96CA8DE72E5512CCE">González, Exequiel R.</mods:namePart>
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<mods:roleTerm id="F6D43A0C7172A12532AB886FE07ADF32">Author</mods:roleTerm>
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<mods:namePart id="191B7066986BEB8D14C27B32EE6E9B5C">Watling, Les</mods:namePart>
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<mods:typeOfResource id="B1E186A8D8E8786241F332DBA2C2BC57">text</mods:typeOfResource>
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<mods:title id="8E851812648226B5959A0D3ACACF54EC">Journal of Natural History</mods:title>
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<mods:part id="A8A860DD17D0CE6F4C1CFBC4871CC7AF">
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<mods:date id="658F4F81706C9D62EA9DFACDC41514A2">2003</mods:date>
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<mods:number id="A558847E1E5BF817D4FD31ECC5991FB6">2003-09-30</mods:number>
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<mods:detail id="A41A2E12A99017A60D4FC2CDF9F9497A" type="volume">
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<mods:number id="057039A6D204BDFC05B032459C8C4963">37</mods:number>
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<mods:detail id="6EB64321A8FC5CD0F6B166B7EA88425B" type="issue">
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<mods:number id="188B1A27D1F4369CFB908515963FBBB3">17</mods:number>
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<mods:start id="9FCB5AD7969CEEF4195FA34ABD66BA83">2045</mods:start>
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<mods:url id="D7FAE57366DCFB887354DD1301AB436C">http://www.tandfonline.com/doi/abs/10.1080/00222930210133237</mods:url>
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<mods:classification id="714DD43949822BFCC81D2225185881D8">journal article</mods:classification>
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<mods:identifier id="4EFA16585992FC9C8208D83B4FF0FF8A" type="DOI">10.1080/00222930210133237</mods:identifier>
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<mods:identifier id="B3B7AF6CE94C36D71D9D50D49D701579" type="ISSN">1464-5262</mods:identifier>
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<treatment id="400987A0FF87741EFDF9FB90FD64FCDC" ID-DOI="http://doi.org/10.5281/zenodo.5262855" ID-Zenodo-Dep="5262855" LSID="urn:lsid:plazi:treatment:400987A0FF87741EFDF9FB90FD64FCDC" httpUri="http://treatment.plazi.org/id/400987A0FF87741EFDF9FB90FD64FCDC" lastPageId="23" lastPageNumber="2067" pageId="16" pageNumber="2060">
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<subSubSection id="80BA653DFF877419FDF9FB90FCAAFB2C" pageId="16" pageNumber="2060" type="nomenclature">
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<paragraph id="C81F36B6FF877419FDF9FB90FC17FBCB" blockId="16.[599,982,1123,1148]" box="[599,982,1123,1148]" pageId="16" pageNumber="2060">
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<heading id="935781DAFF877419FDF9FB90FC17FBCB" box="[599,982,1123,1148]" centered="true" fontSize="10" level="2" pageId="16" pageNumber="2060" reason="2">
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<taxonomicName id="0FA04D35FF877419FDF9FB90FC17FBCB" ID-CoL="3MVQZ" authority="Stebbing, 1899" authorityName="Stebbing" authorityYear="1899" box="[599,982,1123,1148]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="16" pageNumber="2060" phylum="Arthropoda" rank="species" species="warmingi">
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<emphasis id="FAD4EAA4FF877419FDF9FB90FCE4FBCC" bold="true" box="[599,805,1123,1147]" italics="true" pageId="16" pageNumber="2060">Hyalella warmingi</emphasis>
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Stebbing, 1899
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="C81F36B6FF877419FD6CFB70FCAAFB2C" blockId="16.[313,1268,1155,1264]" box="[706,875,1155,1179]" pageId="16" pageNumber="2060">(figures 12–16)</paragraph>
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</subSubSection>
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||
<subSubSection id="80BA653DFF877419FE97FB56FCBDFB58" pageId="16" pageNumber="2060" type="reference_group">
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<paragraph id="C81F36B6FF877419FE97FB56FC56FB62" blockId="16.[313,1268,1155,1264]" pageId="16" pageNumber="2060">
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<treatmentCitationGroup id="E8B01198FF877419FE97FB56FC56FB62" pageId="16" pageNumber="2060">
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<taxonomicName id="0FA04D35FF877419FE97FB56FCC5FB0C" ID-CoL="3MVQZ" authority="Stebbing, 1899: 406 - 407" authorityName="Stebbing" authorityPageNumber="406 - 407" authorityYear="1899" box="[313,772,1189,1211]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="16" pageNumber="2060" phylum="Arthropoda" rank="species" species="warmingi">
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<emphasis id="FAD4EAA4FF877419FE97FB56FE34FB0C" box="[313,501,1189,1211]" italics="true" pageId="16" pageNumber="2060">Hyalella warmingi</emphasis>
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Stebbing, 1899: 406–407
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</taxonomicName>
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, figure 32A; Stebbing, 1906: 580; Barnard and Barnard, 1983: 709;
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<treatmentCitation id="490110A7FF877419FD9AFB33FCCBFB61" author="Pereira" box="[564,778,1215,1238]" page="38" pageId="16" pageNumber="2060" year="1983">
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<bibRefCitation id="AC314B47FF877419FD9AFB33FCCBFB61" author="Pereira" box="[564,778,1215,1238]" pageId="16" pageNumber="2060" refId="ref9358" refString="Pereira (1983) suggested that H. longistila is a synonym of H. meinerti, however, the information provided in this work demonstrates that H. longistila is a valid species. The species included in this work are all characterized by the occurrence of sternal gills on peraeonites 2 - 7, with the exception of H. pseudoazteca which has sternal gills on peraeonites 3 - 7. Other characteristics include a slender female gnathopod 2, uropod 1 in male without curved setae on the inner margin of the inner ramus, and the ramus of uropod 3 is always longer than peduncle." type="journal volume" year="1983">Pereira, 1983: 38–45</bibRefCitation>
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</treatmentCitation>
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, figures 8–10.
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="C81F36B6FF877419FE97FB29FCBDFB58" blockId="16.[313,1268,1155,1264]" box="[313,892,1242,1264]" pageId="16" pageNumber="2060">
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<taxonomicName id="0FA04D35FF877419FE97FB29FCB9FB58" ID-CoL="3MVQZ" authority=": Bousfield, 1996: 192" authorityName="Bousfield" authorityPageNumber="192" authorityYear="1996" box="[313,888,1242,1264]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="16" pageNumber="2060" phylum="Arthropoda" rank="species" species="warmingi" subGenus="Mesohyalella">
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<emphasis id="FAD4EAA4FF877419FE97FB29FD5CFB47" box="[313,669,1242,1264]" italics="true" pageId="16" pageNumber="2060">Hyalella (Mesohyalella) warmingi:</emphasis>
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Bousfield, 1996: 192
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection id="80BA653DFF87741EFECFFAE1FD64FCDC" lastPageId="23" lastPageNumber="2067" pageId="16" pageNumber="2060" type="materials_examined">
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<paragraph id="C81F36B6FF877419FECFFAE1FC5AFA9E" blockId="16.[313,1269,1297,1736]" box="[353,923,1297,1321]" pageId="16" pageNumber="2060">
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<emphasis id="FAD4EAA4FF877419FECFFAE1FE3FFA9E" box="[353,510,1297,1321]" italics="true" pageId="16" pageNumber="2060">
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<typeStatus id="171B8814FF877419FECFFAE1FE58FA9E" box="[353,409,1298,1321]" pageId="16" pageNumber="2060">Type</typeStatus>
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material
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</emphasis>
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. Copenhagen Museum, CRU-8614.
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</paragraph>
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<paragraph id="C81F36B6FF877419FECFFAC1FB0BFAFE" blockId="16.[313,1269,1297,1736]" box="[353,1226,1328,1353]" pageId="16" pageNumber="2060">
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<materialsCitation id="78C83CEBFF877419FECFFAC1FC14FAFE" box="[353,981,1329,1353]" country="Brazil" location="Lagoa Santa" pageId="16" pageNumber="2060" specimenCount="1" stateProvince="Minas Gerais" typeStatus="holotype">
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<emphasis id="FAD4EAA4FF877419FECFFAC1FE35FAFE" box="[353,500,1329,1353]" italics="true" pageId="16" pageNumber="2060">
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<typeStatus id="171B8814FF877419FECFFAC1FE58FAFE" box="[353,409,1330,1353]" pageId="16" pageNumber="2060">Type</typeStatus>
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locality
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</emphasis>
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.
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<location id="CD7F606DFF877419FDADFAC2FD56FAFE" LSID="urn:lsid:plazi:treatment:400987A0FF87741EFDF9FB90FD64FCDC:CD7F606DFF877419FDADFAC2FD56FAFE" box="[515,663,1329,1353]" country="Brazil" name="Lagoa Santa" pageId="16" pageNumber="2060" stateProvince="Minas Gerais">Lagoa Santa</location>
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,
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<collectingRegion id="0A64F854FF877419FD0BFAC2FC44FAFE" box="[677,901,1329,1353]" country="Brazil" name="Minas Gerais" pageId="16" pageNumber="2060">Minas Gerais State</collectingRegion>
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,
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<collectingCountry id="B0B77626FF877419FC3CFAC2FC14FAFE" box="[914,981,1329,1353]" name="Brazil" pageId="16" pageNumber="2060">Brazil</collectingCountry>
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</materialsCitation>
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(19
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<emphasis id="FAD4EAA4FF877419FBAAFAC0FBCFFAFF" bold="true" box="[1028,1038,1331,1352]" pageId="16" pageNumber="2060">°</emphasis>
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38
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<emphasis id="FAD4EAA4FF877419FB86FAC7FBEFFAFE" bold="true" box="[1064,1070,1332,1353]" pageId="16" pageNumber="2060">∞</emphasis>
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S, 43
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<emphasis id="FAD4EAA4FF877419FBC2FAC0FBB7FAFF" bold="true" box="[1132,1142,1331,1352]" pageId="16" pageNumber="2060">°</emphasis>
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53
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<emphasis id="FAD4EAA4FF877419FB3FFAC7FB56FAFE" bold="true" box="[1169,1175,1332,1353]" pageId="16" pageNumber="2060">∞</emphasis>
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W).
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</paragraph>
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<paragraph id="C81F36B6FF877419FECFFAA2FB04FADE" blockId="16.[313,1269,1297,1736]" box="[353,1221,1361,1385]" pageId="16" pageNumber="2060">
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<emphasis id="FAD4EAA4FF877419FECFFAA2FDF4FADE" box="[353,565,1361,1385]" italics="true" pageId="16" pageNumber="2060">Material examined</emphasis>
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. Lagoa Santa,
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<collectingCountry id="B0B77626FF877419FD49FAA2FCECFADE" box="[743,813,1361,1385]" name="Brazil" pageId="16" pageNumber="2060">Brazil</collectingCountry>
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; Zoological Museum, Copenhagen.
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</paragraph>
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<paragraph id="C81F36B6FF877418FECFFA82FE35FA7E" blockId="16.[313,1269,1297,1736]" lastBlockId="17.[313,1268,1329,1736]" lastPageId="17" lastPageNumber="2061" pageId="16" pageNumber="2060">
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<emphasis id="FAD4EAA4FF877419FECFFA82FE0CFA3F" box="[353,461,1393,1416]" italics="true" pageId="16" pageNumber="2060">Diagnosis</emphasis>
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. Body surface smooth. Coxa 4 excavated posteriorly. Eyes pigmented. Antenna 1 shorter than antenna 2. Antenna 2 more than half of body length. Mandible incisor toothed. Maxilla 1 palp short, reaching less than half of the distance between base of palp and tip of setae on outer plate; inner plate slender, with two strong and pappose apical setae. Maxilla 2 inner plate with one strong pappose seta on inner margin. Gnathopod 1 propodus twice as long as maximum width or longer (rectangular), hammer-shaped, inner face with 10 pappose setae, disto-posterior and disto-anterior borders without setose scales. Gnathopod 2 propodus rectangular, elongated, palm shorter than posterior margin, slope oblique, anterior corner with a wide truncated or rounded process. Peraeopods 3 and 4 merus and carpus posterior margin with four clusters of short setae; propodus posterior margin with two to four groups of setae. Uropod 3 peduncle with seven strong distal setae; outer ramus longer than peduncle, proximally twice as wide or less than distally. Telson longer than wide, apically pointed, with two widely spaced, long simple setae, asymmetrically distributed on the apical margin. Sternal gills on peraeonites 2–7.
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</paragraph>
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<caption id="9CDF663EFF867418FE95FB39FB33FB68" ID-DOI="http://doi.org/10.5281/zenodo.5263132" ID-Zenodo-Dep="5263132" box="[315,1266,1226,1248]" httpUri="https://zenodo.org/record/5263132/files/figure.png" pageId="17" pageNumber="2061" startId="17.[315,331,1226,1247]" targetBox="[323,1260,181,1196]" targetPageId="17">
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<paragraph id="C81F36B6FF867418FE95FB39FB33FB68" blockId="17.[315,1266,1226,1248]" box="[315,1266,1226,1248]" pageId="17" pageNumber="2061">
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F. 12.
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<taxonomicName id="0FA04D35FF867418FE0DFB39FD3FFB68" authority="Stebbing, 1899" authorityName="Stebbing" authorityYear="1899" box="[419,766,1226,1248]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="17" pageNumber="2061" phylum="Arthropoda" rank="species" species="warmingi">
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<emphasis id="FAD4EAA4FF867418FE0DFB39FD9DFB68" box="[419,604,1226,1247]" italics="true" pageId="17" pageNumber="2061">Hyalella warmingi</emphasis>
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Stebbing, 1899
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</taxonomicName>
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, male, 8.2 mm. Symbols and scale as in figure 1.
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</paragraph>
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</caption>
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<paragraph id="C81F36B6FF867418FECFFA23FB71F99F" blockId="17.[313,1268,1329,1736]" pageId="17" pageNumber="2061">
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<emphasis id="FAD4EAA4FF867418FECFFA23FE71FA5F" box="[353,432,1488,1512]" italics="true" pageId="17" pageNumber="2061">Female</emphasis>
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. Gnathopod 1 similar in size, but different in shape to gnathopod 2. Gnathopod 2 different from male gnathopod
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<quantity id="0F589B53FF867418FCE8FA03FCB3F9BF" box="[838,882,1520,1544]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="17" pageNumber="2061" unit="in" value="2.0">2 in</quantity>
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shape and smaller, propodus less than twice as long as maximum width, normally subchelate, palm transverse.
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</paragraph>
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<paragraph id="C81F36B6FF867418FECFF9C2FB91F97F" blockId="17.[313,1268,1329,1736]" pageId="17" pageNumber="2061">
|
||
<emphasis id="FAD4EAA4FF867418FECFF9C2FD84F9FF" box="[353,581,1584,1608]" italics="true" pageId="17" pageNumber="2061">Description of male</emphasis>
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. Size
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<quantity id="0F589B53FF867418FD3DF9C3FD29F9FF" box="[659,744,1584,1608]" metricMagnitude="-3" metricUnit="m" metricValue="8.2" pageId="17" pageNumber="2061" unit="mm" value="8.2">8.2 mm</quantity>
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. Body surface smooth (figure 12). Epimeral plates 1–3 acuminate (figure 13 E). Coxae 1–4 subequal in size and shape, slightly overlapping, acumination in coxae absent. Coxa 1 subequal to coxae 2 and 3. Coxa 3 narrower than coxa 4. Coxa 4 deeper than wide, excavated posteriorly. Coxa 5 posterior lobe deeper than anterior lobe. Coxa 6 anterior lobe small.
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</paragraph>
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<caption id="9CDF663EFF85741BFE92FA94FB30FACB" ID-DOI="http://doi.org/10.5281/zenodo.5263134" ID-Zenodo-Dep="5263134" box="[316,1265,1383,1405]" httpUri="https://zenodo.org/record/5263134/files/figure.png" pageId="18" pageNumber="2062" startId="18.[316,332,1383,1404]" targetBox="[319,1264,180,1355]" targetPageId="18">
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||
<paragraph id="C81F36B6FF85741BFE92FA94FB30FACB" blockId="18.[316,1265,1383,1405]" box="[316,1265,1383,1405]" pageId="18" pageNumber="2062">
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F. 13.
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<taxonomicName id="0FA04D35FF85741BFE0CFA94FD3CFACB" authority="Stebbing, 1899" authorityName="Stebbing" authorityYear="1899" box="[418,765,1383,1405]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="18" pageNumber="2062" phylum="Arthropoda" rank="species" species="warmingi">
|
||
<emphasis id="FAD4EAA4FF85741BFE0CFA94FD9AFACA" box="[418,603,1383,1405]" italics="true" pageId="18" pageNumber="2062">Hyalella warmingi</emphasis>
|
||
Stebbing, 1899
|
||
</taxonomicName>
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, male, 8.2 mm. Symbols and scale as in figure 1.
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</paragraph>
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</caption>
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<paragraph id="C81F36B6FF85741BFECFFA43FB35FA5E" blockId="18.[313,1269,1456,1736]" pageId="18" pageNumber="2062">Head smaller than first two thoracic segments, typically gammaridean, rostrum absent. Eyes pigmented, small, round, located between insertion of antennae 1 and 2.</paragraph>
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<paragraph id="C81F36B6FF85741BFECFFA02FE20F93F" blockId="18.[313,1269,1456,1736]" pageId="18" pageNumber="2062">Antenna 1 less than half of body length, shorter than antenna 2, longer than peduncle of antenna 2; peduncle same length as head, articles 1 and 2 subequal in length, article 3 the shortest; flagellum of 13 articles, longer than peduncle, basal article not elongated; aesthetascs on flagellum distally beginning at article 5 (figure 14 A1).</paragraph>
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||
<paragraph id="C81F36B6FF85741AFECFF963FC84F93F" blockId="18.[313,1269,1456,1736]" lastBlockId="19.[313,1268,1615,1736]" lastPageId="19" lastPageNumber="2063" pageId="18" pageNumber="2062">Antenna 2 more than half of body length; peduncle slender, longer than head, article 4 shorter than article 5, setal groups on article 4 scarce, setal groups on article 5 abundant; flagellum with 18 articles, longer than articles 1–5 together, basal article slightly elongated (figure 14 A2).</paragraph>
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<caption id="9CDF663EFF84741AFE97FA14FCB9F9A0" ID-DOI="http://doi.org/10.5281/zenodo.5263136" ID-Zenodo-Dep="5263136" httpUri="https://zenodo.org/record/5263136/files/figure.png" pageId="19" pageNumber="2063" startId="19.[313,329,1511,1532]" targetBox="[320,1266,181,1484]" targetPageId="19">
|
||
<paragraph id="C81F36B6FF84741AFE97FA14FCB9F9A0" blockId="19.[313,1268,1511,1560]" pageId="19" pageNumber="2063">
|
||
F. 14.
|
||
<taxonomicName id="0FA04D35FF84741AFE0EFA14FD3AFA4B" authority="Stebbing, 1899" authorityName="Stebbing" authorityYear="1899" box="[416,763,1511,1533]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="19" pageNumber="2063" phylum="Arthropoda" rank="species" species="warmingi">
|
||
<emphasis id="FAD4EAA4FF84741AFE0EFA14FD98FA4A" box="[416,601,1511,1533]" italics="true" pageId="19" pageNumber="2063">Hyalella warmingi</emphasis>
|
||
Stebbing, 1899
|
||
</taxonomicName>
|
||
, male, 8.2 mm. Female ‘f ’, 6.6 mm. Symbols and scale as in figure 1.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="C81F36B6FF84741DFECFF963FB78F93F" blockId="19.[313,1268,1615,1736]" lastBlockId="20.[313,1268,1552,1736]" lastPageId="20" lastPageNumber="2064" pageId="19" pageNumber="2063">Basic amphipodan mandible (in the sense of Watling, 1993); incisor toothed; left lacinia mobilis with four teeth; setae row on left mandible with three main setae plus accessory setae, right mandible with two main setae plus accessory setae; molar medium-sized, cylindrical, triturative, accessory seta present. Labrum ventral margin slightly rounded to truncate. Lower lip outer lobes rounded without notches or excavations, mandibular projection of outer lobes round (figure 13 Ml, U, L).</paragraph>
|
||
<caption id="9CDF663EFF83741DFE95FA39FB33FA68" ID-DOI="http://doi.org/10.5281/zenodo.5263138" ID-Zenodo-Dep="5263138" box="[315,1266,1481,1504]" httpUri="https://zenodo.org/record/5263138/files/figure.png" pageId="20" pageNumber="2064" startId="20.[315,331,1482,1503]" targetBox="[316,1266,179,1451]" targetPageId="20">
|
||
<paragraph id="C81F36B6FF83741DFE95FA39FB33FA68" blockId="20.[315,1266,1481,1504]" box="[315,1266,1481,1504]" pageId="20" pageNumber="2064">
|
||
F. 15.
|
||
<taxonomicName id="0FA04D35FF83741DFE0DFA39FD3FFA68" authority="Stebbing, 1899" authorityName="Stebbing" authorityYear="1899" box="[419,766,1482,1504]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="20" pageNumber="2064" phylum="Arthropoda" rank="species" species="warmingi">
|
||
<emphasis id="FAD4EAA4FF83741DFE0DFA39FD9DFA68" box="[419,604,1482,1503]" italics="true" pageId="20" pageNumber="2064">Hyalella warmingi</emphasis>
|
||
Stebbing, 1899
|
||
</taxonomicName>
|
||
, male, 8.2 mm. Symbols and scale as in figure 1.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="C81F36B6FF83741CFECFF963FC32F9DF" blockId="20.[313,1268,1552,1736]" lastBlockId="21.[313,1268,1520,1736]" lastPageId="21" lastPageNumber="2065" pageId="20" pageNumber="2064">Maxilla 1 palp uniarticulate, short, reaching less than half of the distance between base of palp and tip of setae on outer plate, distal setae absent; inner plate slender, smaller than outer plate, with two strong and pappose apical setae; outer plate with nine stout and serrate setae (figure 13 X1r, X1l). Maxilla 2 inner plate subequal in length and more slender than outer plate, one strong pappose seta on inner margin, outer and inner plates with abundant setules (figure 13 X2r).</paragraph>
|
||
<caption id="9CDF663EFF82741CFE95FA56FB33FA0E" ID-DOI="http://doi.org/10.5281/zenodo.5263140" ID-Zenodo-Dep="5263140" box="[315,1266,1444,1466]" httpUri="https://zenodo.org/record/5263140/files/figure.png" pageId="21" pageNumber="2065" startId="21.[315,331,1445,1466]" targetBox="[317,1264,182,1415]" targetPageId="21">
|
||
<paragraph id="C81F36B6FF82741CFE95FA56FB33FA0E" blockId="21.[315,1266,1444,1466]" box="[315,1266,1444,1466]" pageId="21" pageNumber="2065">
|
||
F. 16.
|
||
<taxonomicName id="0FA04D35FF82741CFE0DFA57FD3FFA0E" authority="Stebbing, 1899" authorityName="Stebbing" authorityYear="1899" box="[419,766,1444,1466]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="21" pageNumber="2065" phylum="Arthropoda" rank="species" species="warmingi">
|
||
<emphasis id="FAD4EAA4FF82741CFE0DFA57FD9DFA0D" box="[419,604,1444,1466]" italics="true" pageId="21" pageNumber="2065">Hyalella warmingi</emphasis>
|
||
Stebbing, 1899
|
||
</taxonomicName>
|
||
, male, 8.2 mm. Symbols and scale as in figure 1.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="C81F36B6FF82741FFECFF983FB4CFEFA" blockId="21.[313,1268,1520,1736]" lastBlockId="22.[313,1269,181,1736]" lastPageId="22" lastPageNumber="2066" pageId="21" pageNumber="2065">Maxilliped inner plates apically truncated, with three connate setae, pappose setae apically and medially; outer plates larger than inner plates, apically truncated, apical, medial and facial setae simple; palp longer than outer plate, four articles; article 2 longer than wide, medial margin with long simple setae; article 3 outer distal face with few long simple setae, inner distal face with long plumose setae, inner distal margin with long setae, outer margin with one or two strong and long plumose setae; dactylus unguiform, shorter than third article, distal setae simple and shorter than nail, inner border with setae, distal nail present (figure 13 S).</paragraph>
|
||
<paragraph id="C81F36B6FF81741FFECFFEA7FCE3FDDB" blockId="22.[313,1269,181,1736]" pageId="22" pageNumber="2066">Gnathopod 1 subchelate; carpus longer than wide, longer and wider than propodus, with strong and wide posterior lobe, produced and forming a scoop-like structure, open to the inside, inner face with four to seven pappose setae, border pectinate and with several pappose setae; propodus length twice or more maximum width (rectangular), hammer-shaped, with no setae on anterior border, inner face with 10 pappose setae, one to five small triangular setae, posterior and anterior distal borders without setose scales, palm with transverse slope, margin convex, posterior distal corner with robust setae; dactylus claw-like, with one to three endal setae, congruent with palm (figure 15 G1).</paragraph>
|
||
<paragraph id="C81F36B6FF81741FFECFFD80FE22FC1C" blockId="22.[313,1269,181,1736]" pageId="22" pageNumber="2066">Gnathopod 2 subchelate; basis posterior margin with one to three groups of setae; merus with less than seven setae on posterior margin, posterior distal margin straight, distal corner pointed; carpus posterior lobe elongated, produced between merus and propodus, border pectinate with several pappose setae; propodus rectangular, elongated, posterior and anterior distal borders without setose scales, palm shorter than posterior margin, slope oblique, margin irregular, bearing several strong short setae, few long setae, and several medium-sized setae; anterior edge with a wide truncated or rounded process, posterior distal corner with strong setae, and with cup for dactyl; dactylus claw-like, congruent with palm, with a few endal setae (figure 15 G2).</paragraph>
|
||
<paragraph id="C81F36B6FF81741FFECFFC41FBA3FB5E" blockId="22.[313,1269,181,1736]" pageId="22" pageNumber="2066">Peraeopods 3–7 simple. Peraeopods 3 and 4 merus and carpus posterior margin with four marginal clusters of short setae; propodus posterior margin with two to four groups of setae; dactylus less than half of propodus length. Peraeopods 5–7 all similar in structure and slightly longer successively; dactylus less than half of propodus length. Peraeopod 5 subequal to peraeopod 4, basis posterior lobe deeper than long, smaller than posterior lobe of peraeopod 7, merus with two posterior marginal setae, proximal and distal setae subequal. Peraeopod 6 as long as peraeopod 4, basis posterior lobe deeper than long, similar to posterior lobe of peraeopod 5, and smaller than posterior lobe of peraeopod 7. Peraeopod 7 subequal to peraeopod 6, basis posterior lobe longer than deep (figure 16 P3, P4, P5, P6, P7).</paragraph>
|
||
<paragraph id="C81F36B6FF81741FFECFFB02FB22FABE" blockId="22.[313,1269,181,1736]" box="[353,1251,1265,1289]" pageId="22" pageNumber="2066">Pleopods not modified; peduncle slender; longest ramus longer than peduncle.</paragraph>
|
||
<paragraph id="C81F36B6FF81741FFECFFAE2FC5BFA3E" blockId="22.[313,1269,181,1736]" pageId="22" pageNumber="2066">
|
||
Uropod 1 longer than uropod 2; peduncle longer than rami; rami subequal; inner ramus with three dorsal and six distal setae, two of which being longer, male without curved setae on inner side of the ramus; outer ramus with four dorsal and four distal setae; peduncle setation present (figure 14
|
||
<collectionCode id="AEB1AE73FF81741FFCCAFA82FCBFFA3E" box="[868,894,1393,1417]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="22" pageNumber="2066">R</collectionCode>
|
||
1).
|
||
</paragraph>
|
||
<paragraph id="C81F36B6FF81741FFECFFA62FE20FA5E" blockId="22.[313,1269,181,1736]" pageId="22" pageNumber="2066">
|
||
Uropod 2 rami subequal; inner ramus with three dorsal and five distal setae; outer ramus with three dorsal and four distal setae; peduncle setation present (figure 14
|
||
<collectionCode id="AEB1AE73FF81741FFE02FA22FE02FA5E" box="[428,451,1489,1513]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="22" pageNumber="2066">R</collectionCode>
|
||
2).
|
||
</paragraph>
|
||
<paragraph id="C81F36B6FF81741FFECFFA03FBE2F93F" blockId="22.[313,1269,181,1736]" pageId="22" pageNumber="2066">
|
||
Uropod 3 longer than urosomite 3, shorter than peduncle of uropod 1, as long as peduncle of uropod 2; peduncle slender (rectangular), wider than ramus, with seven strong distal and one marginal seta; inner ramus absent; outer ramus uniarticulate, longer than peduncle, proximally twice as wide or less than distally, with five simple, apical slender setae, and one connate seta (figure 15
|
||
<collectionCode id="AEB1AE73FF81741FFC40F983FBC7F93F" box="[1006,1030,1648,1672]" country="Chile" name="Departamento de Geologia, Universidad de Chile" pageId="22" pageNumber="2066">R</collectionCode>
|
||
3).
|
||
</paragraph>
|
||
<paragraph id="C81F36B6FF81741FFECFF963FBAFF97F" blockId="22.[313,1269,181,1736]" pageId="22" pageNumber="2066">
|
||
Telson longer than wide, entire, apically pointed, with two widely spaced, long simple setae, asymmetrically distributed on apical margin (figure 15
|
||
<collectionCode id="AEB1AE73FF81741FFBE6F943FB9BF970" box="[1096,1114,1712,1735]" name="Tavera, Department of Geology and Geophysics" pageId="22" pageNumber="2066">T</collectionCode>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="C81F36B6FF80741EFECFFF46FB35FF7A" blockId="23.[313,1269,181,875]" box="[353,1268,181,205]" pageId="23" pageNumber="2067">Coxal gills sac-like, on peraeopods 2–6. Sternal gills tubular, on peraeonites 2–7.</paragraph>
|
||
<paragraph id="C81F36B6FF80741EFECFFF26FCAAFE3B" blockId="23.[313,1269,181,875]" pageId="23" pageNumber="2067">
|
||
<emphasis id="FAD4EAA4FF80741EFECFFF26FCF5FF5A" box="[353,820,213,237]" italics="true" pageId="23" pageNumber="2067">Characters of female that differ from male</emphasis>
|
||
. Size
|
||
<quantity id="0F589B53FF80741EFCD8FF26FC0AFF5B" box="[886,971,213,237]" metricMagnitude="-3" metricUnit="m" metricValue="6.6" pageId="23" pageNumber="2067" unit="mm" value="6.6">6.6 mm</quantity>
|
||
. Antenna 1 flagellum with eight articles. Antenna 2 similar in shape to male, flagellum with 15 or more articles. Gnathopod 1 similar in size, but different in shape to gnathopod 2; similar to male gnathopod
|
||
<quantity id="0F589B53FF80741EFE11FEC6FE2DFEFA" box="[447,492,309,333]" metricMagnitude="-2" metricUnit="m" metricValue="2.54" pageId="23" pageNumber="2067" unit="in" value="1.0">1 in</quantity>
|
||
size and shape. Gnathopod 2 different from male gnathopod
|
||
<quantity id="0F589B53FF80741EFB69FEC6FB35FEFA" box="[1223,1268,309,333]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="23" pageNumber="2067" unit="in" value="2.0">2 in</quantity>
|
||
shape and smaller, propodus length less than twice maximum width, normally subchelate, palm transverse (figure 14 fG1, fG2).
|
||
</paragraph>
|
||
<paragraph id="C81F36B6FF80741EFECFFE67FCD3FE1B" blockId="23.[313,1269,181,875]" box="[353,786,404,428]" pageId="23" pageNumber="2067">
|
||
<emphasis id="FAD4EAA4FF80741EFECFFE67FE76FE1B" box="[353,439,404,428]" italics="true" pageId="23" pageNumber="2067">Habitat</emphasis>
|
||
. Freshwater, epigean, littoral.
|
||
</paragraph>
|
||
<paragraph id="C81F36B6FF80741EFECFFE47FD70FE5B" blockId="23.[313,1269,181,875]" pageId="23" pageNumber="2067">
|
||
<emphasis id="FAD4EAA4FF80741EFECFFE47FE27FE7B" box="[353,486,436,460]" italics="true" pageId="23" pageNumber="2067">Distribution</emphasis>
|
||
. Lagoa Santa,
|
||
<collectingRegion id="0A64F854FF80741EFD0AFE47FC4DFE7B" box="[676,908,436,460]" country="Brazil" name="Minas Gerais" pageId="23" pageNumber="2067">Minas Gerais State</collectingRegion>
|
||
; Gruta Mirasol, Mirasol,
|
||
<collectingRegion id="0A64F854FF80741EFB64FE47FE7CFE5B" country="Brazil" name="Sao Paulo" pageId="23" pageNumber="2067">Sao Paulo State</collectingRegion>
|
||
(20
|
||
<emphasis id="FAD4EAA4FF80741EFE45FE25FE34FE5C" bold="true" box="[491,501,470,491]" pageId="23" pageNumber="2067">°</emphasis>
|
||
00
|
||
<emphasis id="FAD4EAA4FF80741EFDBEFE24FDD7FE5B" bold="true" box="[528,534,471,492]" pageId="23" pageNumber="2067">∞</emphasis>
|
||
S, 49
|
||
<emphasis id="FAD4EAA4FF80741EFDFDFE25FD9CFE5C" bold="true" box="[595,605,470,491]" pageId="23" pageNumber="2067">°</emphasis>
|
||
00
|
||
<emphasis id="FAD4EAA4FF80741EFDD6FE24FDBFFE5B" bold="true" box="[632,638,471,492]" pageId="23" pageNumber="2067">∞</emphasis>
|
||
W).
|
||
</paragraph>
|
||
<paragraph id="C81F36B6FF80741EFECFFE07FD64FCDC" blockId="23.[313,1269,181,875]" pageId="23" pageNumber="2067">
|
||
<emphasis id="FAD4EAA4FF80741EFECFFE07FE05FDBB" box="[353,452,500,524]" italics="true" pageId="23" pageNumber="2067">Remarks</emphasis>
|
||
.
|
||
<taxonomicName id="0FA04D35FF80741EFE7BFE07FD65FDBB" authorityName="Stebbing" authorityYear="1899" box="[469,676,500,524]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="2067" phylum="Arthropoda" rank="species" species="warmingi">
|
||
<emphasis id="FAD4EAA4FF80741EFE7BFE07FD65FDBB" box="[469,676,500,524]" italics="true" pageId="23" pageNumber="2067">Hyalella warmingi</emphasis>
|
||
</taxonomicName>
|
||
was considered to be morphologically very similar to
|
||
<taxonomicName id="0FA04D35FF80741EFEF5FDE6FD56FD9B" authority="(Pereira, 1983)" baseAuthorityName="Pereira" baseAuthorityYear="1983" box="[347,663,532,556]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="2067" phylum="Arthropoda" rank="species" species="meinerti">
|
||
<emphasis id="FAD4EAA4FF80741EFEF5FDE6FE1DFD9C" box="[347,476,532,556]" italics="true" pageId="23" pageNumber="2067">H. meinerti</emphasis>
|
||
(
|
||
<bibRefCitation id="AC314B47FF80741EFE40FDE7FD4EFD9B" author="Pereira" box="[494,655,532,556]" pageId="23" pageNumber="2067" refId="ref9358" refString="Pereira (1983) suggested that H. longistila is a synonym of H. meinerti, however, the information provided in this work demonstrates that H. longistila is a valid species. The species included in this work are all characterized by the occurrence of sternal gills on peraeonites 2 - 7, with the exception of H. pseudoazteca which has sternal gills on peraeonites 3 - 7. Other characteristics include a slender female gnathopod 2, uropod 1 in male without curved setae on the inner margin of the inner ramus, and the ramus of uropod 3 is always longer than peduncle." type="journal volume" year="1983">Pereira, 1983</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. The original descriptions are not very detailed and could lead to some confusion. After examining the type material, several differences became evident. The eyes in
|
||
<taxonomicName id="0FA04D35FF80741EFD31FDA7FCF0FDDC" authorityName="Stebbing" authorityYear="1899" box="[671,817,596,619]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="2067" phylum="Arthropoda" rank="species" species="warmingi">
|
||
<emphasis id="FAD4EAA4FF80741EFD31FDA7FCF0FDDC" box="[671,817,596,619]" italics="true" pageId="23" pageNumber="2067">H. warmingi</emphasis>
|
||
</taxonomicName>
|
||
are smaller than in
|
||
<taxonomicName id="0FA04D35FF80741EFB98FDA7FB7AFDDC" baseAuthorityName="Pereira" baseAuthorityYear="1983" box="[1078,1211,596,619]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="2067" phylum="Arthropoda" rank="species" species="meinerti">
|
||
<emphasis id="FAD4EAA4FF80741EFB98FDA7FB7AFDDC" box="[1078,1211,596,619]" italics="true" pageId="23" pageNumber="2067">H. meinerti</emphasis>
|
||
</taxonomicName>
|
||
; the gnathopods do not have the heavily setose scales on the articular margins from ischium to propodus; the shape of the propodus in gnathopod
|
||
<quantity id="0F589B53FF80741EFBA8FD60FBF3FD1C" box="[1030,1074,659,683]" metricMagnitude="-2" metricUnit="m" metricValue="5.08" pageId="23" pageNumber="2067" unit="in" value="2.0">2 in</quantity>
|
||
male and female also differs; and the apical setae on the telson are much stronger in
|
||
<taxonomicName id="0FA04D35FF80741EFBC4FD47FB2DFD7C" baseAuthorityName="Pereira" baseAuthorityYear="1983" box="[1130,1260,692,715]" class="Malacostraca" family="Hyalellidae" genus="Hyalella" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="2067" phylum="Arthropoda" rank="species" species="meinerti">
|
||
<emphasis id="FAD4EAA4FF80741EFBC4FD47FB2DFD7C" box="[1130,1260,692,715]" italics="true" pageId="23" pageNumber="2067">H. meinerti</emphasis>
|
||
</taxonomicName>
|
||
. Here we designate, from the
|
||
<typeStatus id="171B8814FF80741EFD38FD27FD2DFD5B" box="[662,748,724,748]" pageId="23" pageNumber="2067" type="syntype">syntype</typeStatus>
|
||
series, the figured material as the
|
||
<typeStatus id="171B8814FF80741EFB20FD20FB35FD5C" box="[1166,1268,723,747]" pageId="23" pageNumber="2067" type="lectotype">lectotype</typeStatus>
|
||
(male,
|
||
<quantity id="0F589B53FF80741EFE29FD00FE1AFCBC" box="[391,475,755,779]" metricMagnitude="-3" metricUnit="m" metricValue="8.2" pageId="23" pageNumber="2067" unit="mm" value="8.2">8.2 mm</quantity>
|
||
) for this species. The material is deposited in the Zoologisk Museum in Copenhagen,
|
||
<collectingCountry id="B0B77626FF80741EFE55FCE0FDAAFC9C" box="[507,619,787,811]" name="Denmark" pageId="23" pageNumber="2067">Denmark</collectingCountry>
|
||
. The
|
||
<typeStatus id="171B8814FF80741EFD1EFCE0FCD7FC9C" box="[688,790,787,811]" pageId="23" pageNumber="2067" type="lectotype">lectotype</typeStatus>
|
||
consists of a vial with the body and 11 permanent slides with the appendages. The rest of the
|
||
<typeStatus id="171B8814FF80741EFC15FCC0FBD0FCFC" box="[955,1041,819,843]" pageId="23" pageNumber="2067" type="syntype">syntype</typeStatus>
|
||
series now become part of the
|
||
<typeStatus id="171B8814FF80741EFE13FCA0FD96FCDC" box="[445,599,851,875]" pageId="23" pageNumber="2067" type="paralectotype">paralectotype</typeStatus>
|
||
series.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |