423 lines
39 KiB
XML
423 lines
39 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.481.9037" ID-GBIF-Dataset="9ad9d346-f7f7-475c-9889-925bf4b27728" ID-PMC="PMC4319099" ID-Pensoft-Pub="1313-2970-481-25" ID-PubMed="25685030" ID-ZBK="560EDDF855E8474E9923CC9D0080FD10" ModsDocAuthor="" ModsDocDate="2015" ModsDocID="1313-2970-481-25" ModsDocOrigin="ZooKeys 481" ModsDocTitle="A new species of Hyalella (Crustacea, Amphipoda, Dogielinotidae) from the Atlantic Forest of Misiones, Argentina" checkinTime="1451244682738" checkinUser="pensoft" docAuthor="Colla, Maria Florencia & Cesar, Ines Irma" docDate="2015" docId="F0AA24864C2D4C6095C4F5EEDDF09F7B" docLanguage="en" docName="ZooKeys 481: 25-38" docOrigin="ZooKeys 481" docSource="http://dx.doi.org/10.3897/zookeys.481.9037" docTitle="Hyalella misionensis Colla & Cesar, 2015, sp. n." docType="treatment" docUuid="02941807-666D-4A05-8A3E-80DACD6F0FBA" docUuidSource="ZooBank" docVersion="4" lastPageNumber="34" masterDocId="FFAA657DFFBAB80E2F49FFDF1E5D656C" masterDocTitle="A new species of Hyalella (Crustacea, Amphipoda, Dogielinotidae) from the Atlantic Forest of Misiones, Argentina" masterLastPageNumber="38" masterPageNumber="25" pageNumber="27" updateTime="1668160006852" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>A new species of Hyalella (Crustacea, Amphipoda, Dogielinotidae) from the Atlantic Forest of Misiones, Argentina</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Colla, Maria Florencia</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Cesar, Ines Irma</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2015</mods:date>
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<mods:detail type="volume">
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<mods:number>481</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>25</mods:start>
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<mods:end>38</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.481.9037</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.481.9037</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-481-25</mods:identifier>
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<mods:identifier type="ZBK">560EDDF855E8474E9923CC9D0080FD10</mods:identifier>
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<mods:identifier type="ZooBank">560EDDF855E8474E9923CC9D0080FD10</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152058194" LSID="urn:lsid:zoobank.org:act:02941807-666D-4A05-8A3E-80DACD6F0FBA" httpUri="http://treatment.plazi.org/id/F0AA24864C2D4C6095C4F5EEDDF09F7B" lastPageId="9" lastPageNumber="34" pageId="2" pageNumber="27">
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<subSubSection pageId="2" pageNumber="27" type="multiple">
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<paragraph pageId="2" pageNumber="27">Taxon classification Animalia Amphipoda Dogielinotidae</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="27" type="nomenclature">
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<paragraph pageId="2" pageNumber="27">
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<taxonomicName LSID="http://zoobank.org/02941807-666D-4A05-8A3E-80DACD6F0FBA" class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="2" pageNumber="27" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="27">sp. n.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="27" type="type material">
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<paragraph pageId="2" pageNumber="27">Type material.</paragraph>
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<paragraph pageId="2" pageNumber="27">
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Holotype male, Argentina, Province of Misiones,
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<normalizedToken originalValue="Yabotí">Yaboti</normalizedToken>
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Biosphere Reserve, San Pedro and
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<normalizedToken originalValue="Guaraní">Guarani</normalizedToken>
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Departments, Salto
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<normalizedToken originalValue="Isipós">Isipos</normalizedToken>
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(
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<geoCoordinate direction="south" orientation="latitude" precision="9" value="-27.219833">27°13.19'S</geoCoordinate>
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;
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<geoCoordinate direction="west" orientation="longitude" precision="9" value="-54.0455">54°02.73'W</geoCoordinate>
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) (MLP 26978), October, 19, 2011.
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<normalizedToken originalValue="César">Cesar</normalizedToken>
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, I. I. and
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<normalizedToken originalValue="Martín">Martin</normalizedToken>
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, S. M., collectors.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="27" type="paratypes">
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<paragraph pageId="2" pageNumber="27">Paratypes.</paragraph>
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<paragraph pageId="2" pageNumber="27">15 males, 15 females, 7 ovigerous females, and 70 juveniles (MLP 26979), same data as holotype.</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="27" type="type locality">
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<paragraph pageId="2" pageNumber="27">Type locality.</paragraph>
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<paragraph pageId="2" pageNumber="27">
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Argentina, Province of Misiones,
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<normalizedToken originalValue="Yabotí">Yaboti</normalizedToken>
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Biosphere Reserve, San Pedro and
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<normalizedToken originalValue="Guaraní">Guarani</normalizedToken>
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Departments, Salto
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<normalizedToken originalValue="Isipós">Isipos</normalizedToken>
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(
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<geoCoordinate direction="south" orientation="latitude" precision="9" value="-27.219833">27°13.19'S</geoCoordinate>
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;
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<geoCoordinate direction="west" orientation="longitude" precision="9" value="-54.0455">54°02.73'W</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="3" lastPageNumber="28" pageId="2" pageNumber="27" type="diagnosis">
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<paragraph pageId="2" pageNumber="27">Diagnosis.</paragraph>
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<paragraph lastPageId="3" lastPageNumber="28" pageId="2" pageNumber="27">
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Body surface smooth. Coxa 4 excavated posteriorly. Eyes pigmented. Antenna 1 shorter than antenna 2. Antenna 2 less than half the body length.Maxilla 1 palp short, reaching to less than half the distance between base of palp and tip of setae on outer plate; inner plate slender, with two strong, pappose apical setae. Maxilla 2 with two strong pappose setae on inner margin. Gnathopod 1 propodus length less than twice maximum width, hammer-shaped, inner face with six to nine serrate setae, comb scales on distoposterior border. Gnathopod 2 propodus ovate, palm shorter than posterior margin, distal margin of palm irregular. Pereiopods 3 and 4 merus and carpus posterior margin with three hind marginal clusters of short setae; propodus posterior margin with five groups of setae. Uropod 3, peduncle slender (rectangular), wider than ramus, with five strong distal setae, basal width more than twice apex of ramus. Telson as long as wide, entire, apically
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<pageBreakToken pageId="3" pageNumber="28" start="start">rounded</pageBreakToken>
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, bearing two long simple setae symmetrically distributed on distal margin, and three small submarginal setae close to each main setae. Sternal gills present on segments 2 to 7.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="30" pageId="4" pageNumber="29" type="description of male">
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<paragraph pageId="4" pageNumber="29">
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<pageBreakToken pageId="4" pageNumber="29" start="start">Description</pageBreakToken>
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of male
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</paragraph>
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<paragraph pageId="4" pageNumber="29">
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(Figs 2 to 5). Mean body length: 5.9
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<normalizedToken originalValue="±">+/-</normalizedToken>
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1.09 mm; mean cephalothorax length: 0.61
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<normalizedToken originalValue="±">+/-</normalizedToken>
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0.08 mm (n = 15). Body surface smooth. Epimeral plate 1, 2, and 3 acuminate. Coxae 1 to 4 subequal in size and shape, slightly overlapping. Acumination in coxae absent. Coxa 1 similar to 2 and 3. Coxa 3 narrower than 4. Coxa 4 as wide as deep, excavated posteriorly. Coxa 5 posterior lobe deeper than anterior lobe. Coxa 6 posterior lobe deeper than anterior lobe, anterior lobe small.
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</paragraph>
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<paragraph pageId="4" pageNumber="29">Head typically gammaridean, as long as the first two thoracic segments, rostrum absent. Eyes pigmented, medium, rounded, located between insertion of antenna 1 and antenna 2 (Fig. 2A).</paragraph>
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<caption pageId="4" pageNumber="29">
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<paragraph pageId="4" pageNumber="29">
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Figure 2.
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<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="4" pageNumber="29" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
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sp. n., male. A holotype and habitus B antenna 1. C antenna 2 D left mandible E right mandible. F upper lip G lower lip H maxilla 1. I maxilla 2. Scale bar equals 1 mm for A; 200
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<normalizedToken originalValue="µm">µm</normalizedToken>
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for B, C, F, and G; 100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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for D, E, H, and I.
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</paragraph>
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</caption>
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<paragraph pageId="4" pageNumber="29">Antenna 1 (Fig. 2B) less than half the body length, shorter than antenna 2 but longer than peduncle of antenna 2; peduncle as long as head; article 3 shorter than article 1 and article 2 in length; flagellum of 10-11 articles, longer than peduncle; aesthetascs on flagellum, present on articles 4 (2 aesthetascs), 5 (2), 6 (3), 7 (1), and 8 (1).</paragraph>
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<paragraph pageId="4" pageNumber="29">Antenna 2 (Fig. 2C) less than half of the body length, peduncle longer than head, article 4 shorter than article 5, setal groups on articles 4 and 5 scarce, flagellum with 13-14 articles and longer than peduncle.</paragraph>
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<paragraph pageId="4" pageNumber="29">Mandible without palp; incisor toothed; left lacinia mobilis with five teeth; setal row on left mandible with three main pappose setae plus accessory setae (Fig. 2D), right mandible with two main pappose setae plus accessory setae; molar large, cylindrical, and triturative; accessory seta present (Fig. 2E).</paragraph>
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<paragraph pageId="4" pageNumber="29">Upper-lip ventral margin round (Fig. 2F).</paragraph>
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<paragraph pageId="4" pageNumber="29">Lower-lip outer lobes rounded without notches or excavations, mandibular projection of outer lobes truncated (Fig. 2G).</paragraph>
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<paragraph pageId="4" pageNumber="29">Maxilla 1 (Fig. 2H) palp short, uniarticulate, reaching to less than half the distance between base of palp and tip of setae on outer plate, distally pointed; inner plate slender, smaller than outer plate, with two strong, pappose apical setae; outer plate with nine stout and serrate setae.</paragraph>
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<paragraph pageId="4" pageNumber="29">Maxilla 2 (Fig. 2I) inner plate subequal in length and width to outer plate, with two strong pappose setae on mid-inner margin; outer and inner plates with abundant setules.</paragraph>
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<paragraph pageId="4" pageNumber="29">Maxilliped (Fig. 3A) inner plates apically truncated, with three connate setae and pappose setae apically and medially; outer plates larger than inner plates, apically truncated, apical, medial, and facial setae simple. Palp of four articles: article 2 wider than long, medial margin with long simple setae; article 3 outer distal face (at the base of article 4) with several 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 article 3, distal setae simple and shorter than nail, inner margin with setae, distal nail present.</paragraph>
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<caption pageId="4" pageNumber="29">
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<paragraph pageId="4" pageNumber="29">
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Figure 3.
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<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="4" pageNumber="29" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
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sp. n., male. A maxilliped B dorsal view of gnathopod 1 C ventral view of gnathopod 1 D dorsal view of propodus of gnathopod 1 E ventral view of propodus of gnathopod 1. Scale bar equals 100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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for A, D, and E; 200
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<normalizedToken originalValue="µm">µm</normalizedToken>
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for B and C.
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</paragraph>
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</caption>
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<paragraph lastPageId="5" lastPageNumber="30" pageId="4" pageNumber="29">
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Gnathopod 1 (Fig. 3B and C) subchelate; carpus longer than wide, longer and wider than propodus, with strong and wide posterior lobe, and forming a scoop-like structure, open to the inside, inner face with five serrate setae; propodus (Fig. 3D) length less than two times maximum width, hammer-shaped, with no setae on anterior border, with three simple setae on posterior border; inner face (Fig. 3E) with six to nine serrate setae, several small triangular setae, comb scales on distoposterior border,
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<pageBreakToken pageId="5" pageNumber="30" start="start">palm</pageBreakToken>
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slope transverse, margin convex, posterior distal corner with robust setae, dactylus claw-like with comb scales.
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</paragraph>
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<paragraph pageId="5" pageNumber="30">Gnathopod 2 (Fig. 4A) subchelate; basis hind margin with two long setae; merus with less than seven setae on posterior margin, posterodistal margin straight, distal corner rounded; carpus posterior lobe elongated, produced between merus and propodus, distal end of carpal lobe with cuticular denticles and with several serrate setae; propodus ovate, distoposterior border with comb scales, palm (Fig. 4B) shorter than posterior margin, slope oblique, margin irregular, bearing several strong short setae, anterior edge with a wide truncated or rounded process, posterior distal corner with strong setae and with cup for dactylus; dactylus claw-like, as long as palm, with seven short simple setae symmetrically distributed on inner border. Triangular space between propodus and dactylus when dactylus is closed.</paragraph>
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<caption pageId="5" pageNumber="30">
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<paragraph pageId="5" pageNumber="30">
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Figure 4.
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<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="5" pageNumber="30" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
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sp. n., male. A gnathopod 2 B detail of the palm of gnathopod 2 C pereiopod 3 D pereiopod 4 E pereiopod 5 F pereiopod 6 G pereiopod 7. Scale bar equals 200
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<normalizedToken originalValue="µm">µm</normalizedToken>
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for A, C, D, E, F, and G; 100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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for B.
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</paragraph>
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</caption>
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<paragraph pageId="5" pageNumber="30">Pereiopods 3 to 7 simple. Pereiopods 3 (Fig. 4C) and 4 (Fig. 4D) with merus and carpus posterior margin having three hind marginal clusters of short setae; propodus posterior margin with five groups of setae; dactylus less than half the propodus length. Pereiopods 5 to 7, all similar in structure and successively slightly longer; dactylus less than half the propodus length. Pereiopod 5 (Fig. 4E) longer than pereiopod 4, basis posterior lobe longer than wide, smaller than posterior lobe of pereiopod 7. Pereiopod 6 (Fig. 4F) longer than pereiopod 4, basis posterior lobe longer than wide, larger than posterior lobe of pereiopod 5 and smaller than posterior lobe of pereiopod 7. Pereiopod 7 (Fig. 4G) slightly longer than pereiopod 6, basis posterior lobe longer than wide.</paragraph>
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<paragraph pageId="5" pageNumber="30">Pleopods (Fig. 5A) not modified; peduncle slender; longest ramus longer than peduncle.</paragraph>
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<caption pageId="5" pageNumber="30">
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<paragraph pageId="5" pageNumber="30">
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Figure 5.
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<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="5" pageNumber="30" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
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sp. n., male. A pleopod B uropod 1 C uropod 2 D uropod 3 E telson. Not all setae are represented in the figures. Scale bar equals 200
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<normalizedToken originalValue="µm">µm</normalizedToken>
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for A, B, and C; 100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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for D and E.
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</paragraph>
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</caption>
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<paragraph pageId="5" pageNumber="30">Uropod 1 (Fig. 5B) longer than uropod 2; peduncle longer than rami, with 4-5 dorsal setae; rami subequal; inner ramus with 2-3 dorsal setae and 5 distal setae; male without curved setae on inner side of the ramus; outer ramus with 3-4 dorsal setae and 5 distal setae.</paragraph>
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<paragraph pageId="5" pageNumber="30">Uropod 2 (Fig. 5C) peduncle as long as rami, with 3 dorsal setae; rami subequal; inner ramus with 3 dorsal setae and 6 distal setae, outer ramus with 4 dorsal and 4 distal setae.</paragraph>
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<paragraph pageId="5" pageNumber="30">Uropod 3 (Fig. 5D) as long as peduncle of uropod 2; peduncle slender (rectangular), wider than ramus, with 5 strong distal setae of variable length, inner ramus absent; outer ramus uniarticulate, as long as peduncle, basal width more than twice apex of ramus, with 4-5 simple slender apical setae and one connate seta.</paragraph>
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<paragraph pageId="5" pageNumber="30">Telson (Fig. 5E) as long as wide, entire, apically rounded, bearing two long simple setae symmetrically distributed on distal margin, and three small setae close to each main seta.</paragraph>
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<paragraph pageId="5" pageNumber="30">Coxal gills sac-like, present on segments 2 to 6. Sternal gills tubular, present on segments 2 to 7.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="6" lastPageNumber="31" pageId="5" pageNumber="30" type="female">
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<paragraph pageId="5" pageNumber="30">Female</paragraph>
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<paragraph pageId="5" pageNumber="30">
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(Fig. 6). Mean total length: 4.52
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<normalizedToken originalValue="±">+/-</normalizedToken>
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0.71 mm; mean cephalothorax length: 0.51
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<normalizedToken originalValue="±">+/-</normalizedToken>
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0.07 mm (n = 15). Antenna 1 (Fig. 6A) flagellum of 9-10 articles. Antenna 2 (Fig. 6B) similar in length and shape to male, flagellum of 15 articles.
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</paragraph>
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<caption pageId="5" pageNumber="30">
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<paragraph pageId="5" pageNumber="30">
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Figure 6.
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<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="5" pageNumber="30" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
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sp. n., female. A antenna 1 B antenna 2 C dorsal view of gnathopod 1 D ventral view of gnathopod 1 E ventral view of propodus of gnathopod 1 F dorsal view of gnathopod 2 G ventral view of gnathopod 2. Scale bar equals 200
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<normalizedToken originalValue="µm">µm</normalizedToken>
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for A, B, C, D, F, and G; 100
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<normalizedToken originalValue="µm">µm</normalizedToken>
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for E.
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</paragraph>
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</caption>
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<paragraph pageId="6" pageNumber="31">
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<pageBreakToken pageId="6" pageNumber="31" start="start">Gnathopod</pageBreakToken>
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1 (Fig. 6C and D) similar in size and shape to gnathopod 2. Propodus inner face with six serrate setae (Fig. 6E). Gnathopod 2 (Figs 6F and G) propodus of length less than two times maximum width, normally subchelate, palm transverse. Propodus inner face with two serrate setae.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="32" type="habitat">
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<paragraph pageId="7" pageNumber="32">
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<pageBreakToken pageId="7" pageNumber="32" start="start">Habitat</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="7" pageNumber="32">Freshwater, epigean.</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="32" type="distribution">
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<paragraph pageId="7" pageNumber="32">Distribution.</paragraph>
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<paragraph pageId="7" pageNumber="32">
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Argentina, Province of Misiones,
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<normalizedToken originalValue="Yabotí">Yaboti</normalizedToken>
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Biosphere Reserve, San Pedro and
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<normalizedToken originalValue="Guaraní">Guarani</normalizedToken>
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Departments, Salto
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<normalizedToken originalValue="Isipós">Isipos</normalizedToken>
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(
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<geoCoordinate direction="south" orientation="latitude" precision="9" value="-27.219833">27°13.19'S</geoCoordinate>
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;
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<geoCoordinate direction="west" orientation="longitude" precision="9" value="-54.0455">54°02.73'W</geoCoordinate>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="33" type="etymology">
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<paragraph pageId="8" pageNumber="33">
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<pageBreakToken pageId="8" pageNumber="33" start="start">Etymology</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="8" pageNumber="33">The species name misionensis refers to the location where this new member was found, the Province of Misiones in Argentina.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="9" lastPageNumber="34" pageId="8" pageNumber="33" type="remarks">
|
|
<paragraph pageId="8" pageNumber="33">Remarks.</paragraph>
|
|
<paragraph pageId="9" pageNumber="34">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">
|
|
<pageBreakToken pageId="9" pageNumber="34" start="start">Hyalella</pageBreakToken>
|
|
misionensis
|
|
</taxonomicName>
|
|
has some morphological similarities to
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella pampeana" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="pampeana">Hyalella pampeana</taxonomicName>
|
|
Cavalieri, 1968, a common freshwater amphipod of the Province of Buenos Aires. The principal similarity is the shape of gnathopod 2 in the males, with a triangular space between the propodus and the dactylus in both species; the number of antennal segments (
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
, antenna 1: 10-11 articles and antenna 2: 13-14 articles;
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella pampeana" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="pampeana">Hyalella pampeana</taxonomicName>
|
|
, antenna 1: 11-12 articles and antenna 2: up to 18); and the total length (
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
: 5.9 mm,
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella pampeana" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="pampeana">Hyalella pampeana</taxonomicName>
|
|
: 5 mm). Although, the two species differ in the presence of a curved seta in the inner ramus of uropod 1 in the males of
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella pampeana" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="pampeana">Hyalella pampeana</taxonomicName>
|
|
; this seta is absent in
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
. The width of the propodus of gnathopod 1 is about 3/4 of its length in
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella pampeana" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="pampeana">Hyalella pampeana</taxonomicName>
|
|
, but about 2/3 of its length in
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
. In addition, the inner face of propodus in gnathopod 1 of
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella pampeana" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="pampeana">Hyalella pampeana</taxonomicName>
|
|
has 5 to 6 pappose setae, but in
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
has 6 to 9 serrate setae. The setation of the telson is also different with 2 to 5 setae of variable length in
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella pampeana" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="pampeana">Hyalella pampeana</taxonomicName>
|
|
and only two simple setae in
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
. Comparisons between morphological characters of
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="genus">Hyalella</taxonomicName>
|
|
species of Argentina and Falkland Islands are presented in Table 1.
|
|
</paragraph>
|
|
<caption pageId="9" pageNumber="34">
|
|
<paragraph pageId="9" pageNumber="34">
|
|
Table 1. Morphological characters of
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="genus">Hyalella</taxonomicName>
|
|
species of Argentina and Falkland Islands. All characters are referred to males, with exception of
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella rionegrina" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="rionegrina">Hyalella rionegrina</taxonomicName>
|
|
.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph pageId="9" pageNumber="34">
|
|
<table pageId="9" pageNumber="34">
|
|
<tr pageId="9" pageNumber="34">
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Species</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Curved setae in inner ramus of uropod 1</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Articles of flagellum of antenna 1</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Articles of flagellum of antenna 2</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Sternal gills</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Inner face of propodus of gnathopod 1</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Telson</th>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella curvispina" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="curvispina">Hyalella curvispina</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella pampeana" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="pampeana">Hyalella pampeana</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella falklandensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="falklandensis">Hyalella falklandensis</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella bonariensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="bonariensis">Hyalella bonariensis</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella kochi" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="kochi">Hyalella kochi</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella fossamancinii" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="fossamancinii">Hyalella fossamancinii</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella neonoma" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="neonoma">Hyalella neonoma</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella araucana" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="araucana">Hyalella araucana</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella rionegrina" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="rionegrina">Hyalella rionegrina</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</paragraph>
|
|
<paragraph pageId="9" pageNumber="34">
|
|
The study area where
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
was found is geographically close to Brazil, where fourteen species of the genus have been reported (
|
|
<bibRefCitation author="Bueno, AAP" journalOrPublisher="Crustaceana" pageId="10" pageNumber="35" pagination="802 - 819" title="Two new species of Hyalella (Amphipoda, Dogielinotidae) from Brazil." url="10.1163/15685403-00003205" volume="86" year="2013">Bueno et al. 2013</bibRefCitation>
|
|
). In Table 2 we compared the main morphological characters of
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
with those of the Brazilian
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="genus">Hyalella</taxonomicName>
|
|
species that were geographically close to where the newly described species was found:
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella castroi" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="castroi">Hyalella castroi</taxonomicName>
|
|
Gonzalez, Bond Buckup & Araujo, 2006,
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella pleoacuta" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="pleoacuta">Hyalella pleoacuta</taxonomicName>
|
|
Gonzalez, Bond Buckup & Araujo, 2006,
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella gracilicornis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="gracilicornis">Hyalella gracilicornis</taxonomicName>
|
|
Faxon, 1876,
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella longistila" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="longistila">Hyalella longistila</taxonomicName>
|
|
Faxon, 1876 and
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella warmingi" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="warmingi">Hyalella warmingi</taxonomicName>
|
|
Stebbing, 1899 (
|
|
<bibRefCitation author="Gonzalez, ER" journalOrPublisher="Journal of Natural History" pageId="10" pageNumber="35" pagination="2045 - 2076" title="A new species of Hyalella from Brazil (Crustacea: Amphipoda: Hyalellidae) with redescriptions of three other species in the genus." url="10.1080/00222930210133237" volume="37" year="2003">Gonzalez and Watling 2003</bibRefCitation>
|
|
,
|
|
<bibRefCitation author="Gonzalez, ER" journalOrPublisher="Journal of Crustacean Biology" pageId="10" pageNumber="35" pagination="355 - 365" title="Two new species of Hyalella from Southern Brazil (Amphipoda: Hyalellidae) with a taxonomic key." url="10.1651/C-2599.1" volume="26" year="2006">Gonzalez et al. 2006</bibRefCitation>
|
|
).
|
|
</paragraph>
|
|
<caption pageId="9" pageNumber="34">
|
|
<paragraph pageId="9" pageNumber="34">
|
|
Table 2. Main morphological differences between
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
and five
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="genus">Hyalella</taxonomicName>
|
|
species from nearby areas in Brazil.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph pageId="9" pageNumber="34">
|
|
<table pageId="9" pageNumber="34">
|
|
<tr pageId="9" pageNumber="34">
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Species</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Body surface</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Length of antenna 2</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Inner margin of maxila 2</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Inner face of propodus of gnathopod 1</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Telson</th>
|
|
<th colspan="1" pageId="9" pageNumber="34" rowspan="1">Type locality</th>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella misionensis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="misionensis">Hyalella misionensis</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella castroi" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="castroi">Hyalella castroi</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella pleoacuta" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="pleoacuta">Hyalella pleoacuta</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella gracilicornis" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="gracilicornis">Hyalella gracilicornis</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella longistila" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="longistila">Hyalella longistila</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
<tr pageId="9" pageNumber="34">
|
|
<td colspan="1" pageId="9" pageNumber="34" rowspan="1">
|
|
<taxonomicName class="Malacostraca" family="Hyalellidae" genus="Hyalella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Hyalella warmingi" order="Amphipoda" pageId="9" pageNumber="34" phylum="Arthropoda" rank="species" species="warmingi">Hyalella warmingi</taxonomicName>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |