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170 lines
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15 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.86.785" ID-GBIF-Dataset="f2f83647-b3ef-4289-9dee-10c9f083b6f4" ID-PMC="PMC3082988" ID-Pensoft-Pub="1313-2970-86-11" ID-PubMed="21594091" ModsDocAuthor="" ModsDocDate="2011" ModsDocID="1313-2970-86-11" ModsDocOrigin="ZooKeys 86" ModsDocTitle="On the Austral-Antarctic stenothoids Proboloides, Metopoides, Torometopa and Scaphodactylus (Crustacea Amphipoda) Part 2: the genus Proboloides, with description of two new genera and the transfer of two nominal species to Metopoides" checkinTime="1451250753933" checkinUser="pensoft" docAuthor="Krapp-Schickel, Traudl" docDate="2011" docId="3760AF4491D08A554F1F548227B1296A" docLanguage="en" docName="ZooKeys 86: 11-45" docOrigin="ZooKeys 86" docSource="http://dx.doi.org/10.3897/zookeys.86.785" docTitle="Metopoides typicus Walker 1906" docType="treatment" docVersion="4" lastPageNumber="21" masterDocId="FFE5FFEDFFE7FFF93A7CFF94FFE5FFA6" masterDocTitle="On the Austral-Antarctic stenothoids Proboloides, Metopoides, Torometopa and Scaphodactylus (Crustacea Amphipoda) Part 2: the genus Proboloides, with description of two new genera and the transfer of two nominal species to Metopoides" masterLastPageNumber="45" masterPageNumber="11" pageNumber="19" updateTime="1668167507786" 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>On the Austral-Antarctic stenothoids Proboloides, Metopoides, Torometopa and Scaphodactylus (Crustacea Amphipoda) Part 2: the genus Proboloides, with description of two new genera and the transfer of two nominal species to Metopoides</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>Krapp-Schickel, Traudl</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>2011</mods:date>
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<mods:detail type="volume">
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<mods:number>86</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>11</mods:start>
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<mods:end>45</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.86.785</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.86.785</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-86-11</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159361511" LSID="urn:lsid:plazi:treatment:3760AF4491D08A554F1F548227B1296A" httpUri="http://treatment.plazi.org/id/3760AF4491D08A554F1F548227B1296A" lastPageId="10" lastPageNumber="21" pageId="8" pageNumber="19">
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<subSubSection pageId="8" pageNumber="19" type="nomenclature">
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<paragraph pageId="8" pageNumber="19">
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<taxonomicName authority="Walker, 1906" authorityName="Walker" authorityYear="1906" class="Malacostraca" family="Stenothoidae" genus="Metopoides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metopoides typicus" order="Amphipoda" pageId="8" pageNumber="19" phylum="Arthropoda" rank="species" species="typicus">Metopoides typicus (Walker, 1906)</taxonomicName>
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Figs 34
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="19" type="reference_group">
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<paragraph pageId="8" pageNumber="19">
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<taxonomicName class="Malacostraca" family="Stenothoidae" genus="Proboliella" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="Proboliella typica" order="Amphipoda" pageId="8" pageNumber="19" phylum="Arthropoda" rank="species" species="typica">Proboliella typica</taxonomicName>
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<bibRefCitation author="Walker, AO" journalOrPublisher="Annals and Magazine of Natural History series" pageId="25" pageNumber="36" pagination="13 - 18" title="Preliminary descriptions of new species of Amphipoda from the " Discovery " Antarctic Expedition, 1902 - 1094." volume="7" year="1906">Walker 1906</bibRefCitation>
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: 14; 1907: 20-21 t.6 fig. 10
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</paragraph>
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<paragraph pageId="8" pageNumber="19">
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<taxonomicName class="Malacostraca" family="Stenothoidae" genus="Proboloides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proboloides typica" order="Amphipoda" pageId="8" pageNumber="19" phylum="Arthropoda" rank="species" species="typica">Proboloides typica</taxonomicName>
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<bibRefCitation author="Schellenberg, A" journalOrPublisher="Deutsche Suedpolar-Expedition 18 / Zoologie" pageId="25" pageNumber="36" pagination="235 - 414" title="Die Gammariden der Deutschen Suedpolarexpedition 1901 - 1903" volume="10" year="1926">Schellenberg 1926</bibRefCitation>
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: 323-24 fig, 41;
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<bibRefCitation author="DeBroyer, C" journalOrPublisher="Bulletin de l'institut royal des sciences naturelles de Belgique, Biologie" pageId="24" pageNumber="35" pagination="1 - 324" title="Census of Marine Life. Synopsis of the Amphipoda of the Southern Ocean. vol. 1. Catalogue of the Gammaridean and Corophiidean Amphipoda (Crustacea) of the Southern Ocean with distribution and ecological data" volume="77" year="2007">De Broyer et al. 2007</bibRefCitation>
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: 213 not
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<taxonomicName class="Malacostraca" family="Stenothoidae" genus="Proboloides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Proboloides typica" order="Amphipoda" pageId="8" pageNumber="19" phylum="Arthropoda" rank="species" species="typica">Proboloides typica</taxonomicName>
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KH.
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<bibRefCitation author="Barnard, KH" journalOrPublisher="Discovery Report" pageId="24" pageNumber="35" title="Amphipoda" volume="5" year="1932">Barnard 1932</bibRefCitation>
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: 109, f. 57
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</paragraph>
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<paragraph pageId="8" pageNumber="19">
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<taxonomicName class="Malacostraca" family="Stenothoidae" genus="Metopoides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metopoides" order="Amphipoda" pageId="8" pageNumber="19" phylum="Arthropoda" rank="genus">Metopoides</taxonomicName>
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sp.
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<bibRefCitation author="Bellan-Santini, D" journalOrPublisher="Tethys" pageId="24" pageNumber="35" pagination="635 - 708" title="Gammariens (Crustaces Amphipoda des Iles Kerguelen et Crozet." volume="5" year="1974">Bellan-Santini and Ledoyer 1974</bibRefCitation>
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: 700 fig. 38 B
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="19" type="material examined">
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<paragraph pageId="8" pageNumber="19">Material examined:</paragraph>
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<paragraph pageId="8" pageNumber="19">
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Cape Bird, EBS, C3-C4, 70-100m, 14.12. 1971, several spec.; tide crack, near Cape Spencer, White Island, Ross Ice Shelf, 78°01'0"S, 167°20'0"E, 28.XII. 1976, coll. P. Ensor (AMS P 25504); Southern Rookery, Cape Bird, Ross Island, Antarctica (approx. 77°13'0"S, 166°27'0"E) AM P.80875 (1 slide); slide of "
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<taxonomicName class="Malacostraca" family="Stenothoidae" genus="Metopoides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metopoides" order="Amphipoda" pageId="8" pageNumber="19" phylum="Arthropoda" rank="genus">Metopoides</taxonomicName>
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sp. ", Kerguelen,MNVCR.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="10" lastPageNumber="21" pageId="8" pageNumber="19" type="redescription after material from the australian and verona museum">
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<paragraph pageId="8" pageNumber="19">Redescription after material from the Australian and Verona Museum:</paragraph>
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<subSection pageId="8" pageNumber="19" type="body">
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<paragraph pageId="8" pageNumber="19">Body</paragraph>
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<paragraph pageId="8" pageNumber="19">smooth. Eyes rounded, medium size.</paragraph>
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</subSection>
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<subSection pageId="8" pageNumber="19" type="length">
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<paragraph pageId="8" pageNumber="19">Length.</paragraph>
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<paragraph pageId="8" pageNumber="19">3-3,5 mm.</paragraph>
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</subSection>
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<subSection pageId="8" pageNumber="19" type="antennae">
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<paragraph pageId="8" pageNumber="19">Antennae.</paragraph>
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<paragraph pageId="8" pageNumber="19">A1 less than 2/3 of body length, peduncle robust, art 1 shorter than three times wide; acc. flag. with 2 (very small) articles, flagellum 10 arts. A2 subequal in length to A1, peduncle robust, art 4 somewhat> art 5, flagellum about as long as peduncle art 5, with 7 arts (Walker: without acc. flag., A1 reaching to the middle of the flagellum of A2).</paragraph>
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</subSection>
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<subSection pageId="8" pageNumber="19" type="mouthparts">
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<paragraph pageId="8" pageNumber="19">Mouthparts.</paragraph>
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<paragraph pageId="8" pageNumber="19">Md incisor and raker spine row well developed; no clear molar cusp; palp with 3 arts, art 3 about 1/3-1/2 length of art 2, with 3 distal long setae (Walker: Md palp lacking third art, therefore creating a new genus Proboliella; but Schellenberg already noticed 1926: 323 fig. 41, that there is a well-developed third article). Mx 1 IP with 1 distal seta, OP with 6 strong robust setae, palp with 2 arts; Mx 2 inner plate ordinary, shorter than outer; Mxp IP not fused, 2/3 length of ischium; OP narrow, well developed, reaching more than half of merus length; dactylus long, subequal to propodus.</paragraph>
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</subSection>
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<subSection pageId="8" pageNumber="19" type="coxae">
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<paragraph pageId="8" pageNumber="19">Coxae.</paragraph>
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<paragraph pageId="8" pageNumber="19">Cx2 with rounded anterior margin straight behind, angle rounded with small tooth; Cx3 narrow with parallel margins, Cx4 not excavated, inferior and posterior margin rounded, about as long as wide.</paragraph>
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</subSection>
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<subSection pageId="8" pageNumber="19" type="gnathopods">
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<paragraph pageId="8" pageNumber="19">Gnathopods.</paragraph>
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<paragraph pageId="8" pageNumber="19">Gn1, 2 propodi different in size and shape. Gn1 dactylus ordinary; propodus with parallel margins, palm well defined (corner about 120°), somewhat longer than half length of propodus, about twice as long as wide; carpus shorter than propodus, triangular, longer than wide, merus incipiently chelate. Gn2 length of propodus more than 2/3 of basis in male, less in female; propodus subelliptical, twice the size of propodus Gn1; hind margin half length of palm which is in male and female with incisions, palmar corner well defined by acute tooth-shaped prolongation and U-shaped incision. Dactylus clearly shorter than palm, probably working together with robust setae of palmar corner. Gn2 carpus shorter than wide, cup-shaped, merus not lobate.</paragraph>
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</subSection>
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<subSection pageId="8" pageNumber="19" type="peraeopods">
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<paragraph pageId="8" pageNumber="19">Peraeopods.</paragraph>
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<paragraph pageId="8" pageNumber="19">P4 merus anterodistal margin somewhat lengthened. P5 dactylus long, weak, much longer than half of slim propodus; merus posterodistal margin not reaching half of carpus length, basis slender without lobe. P6 basis hind margin harmonically rounded, clearly longer than wide, merus posterodistal corner acutely lengthened but not widened, not reaching to half of carpus length. P7 basis and merus similar to P6.</paragraph>
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</subSection>
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<subSection pageId="9" pageNumber="20" type="epimeral plates">
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<paragraph pageId="9" pageNumber="20">
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<pageBreakToken pageId="9" pageNumber="20" start="start">Epimeral</pageBreakToken>
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plates.
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</paragraph>
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<paragraph pageId="9" pageNumber="20">Ep3 posterodistally lengthened to triangular corner.</paragraph>
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</subSection>
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<subSection pageId="9" pageNumber="20" type="uropods">
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<paragraph pageId="9" pageNumber="20">Uropods.</paragraph>
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<paragraph pageId="9" pageNumber="20">
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U1 peduncle slightly longer than subequal rami, with many robust setae; U2 peduncle longer than shorter ramus, rami clearly unequal; U3 peduncle shorter than ramus, first article of ramus shorter than peduncle, ramus art 2 about
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<normalizedToken originalValue="¾">3/4</normalizedToken>
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of art 1.
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</paragraph>
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</subSection>
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<subSection pageId="10" pageNumber="21" type="telson">
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<paragraph pageId="10" pageNumber="21">
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<pageBreakToken pageId="10" pageNumber="21" start="start">Telson</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="10" pageNumber="21">Not reaching end of peduncle U3; about twice as long as wide; distally triangulary pointed, medio-laterally with 2-3 robust setae.</paragraph>
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</subSection>
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</subSubSection>
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<subSubSection pageId="10" pageNumber="21" type="sexual differences">
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<paragraph pageId="10" pageNumber="21">Sexual differences.</paragraph>
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<paragraph pageId="10" pageNumber="21">Probably small.</paragraph>
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</subSubSection>
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<subSubSection pageId="10" pageNumber="21" type="distribution">
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<paragraph pageId="10" pageNumber="21">Distribution.</paragraph>
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<paragraph pageId="10" pageNumber="21">
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Antarctica, Hut Point near Mc Murdo, 77.47°S (
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<bibRefCitation author="Walker, AO" journalOrPublisher="Annals and Magazine of Natural History series" pageId="25" pageNumber="36" pagination="13 - 18" title="Preliminary descriptions of new species of Amphipoda from the " Discovery " Antarctic Expedition, 1902 - 1094." volume="7" year="1906">Walker 1906</bibRefCitation>
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, 1907); S-Victoria Land,
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<normalizedToken originalValue="Gauß">Gauss</normalizedToken>
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Station (
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<bibRefCitation author="Schellenberg, A" journalOrPublisher="Deutsche Suedpolar-Expedition 18 / Zoologie" pageId="25" pageNumber="36" pagination="235 - 414" title="Die Gammariden der Deutschen Suedpolarexpedition 1901 - 1903" volume="10" year="1926">Schellenberg 1926</bibRefCitation>
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); White Island, Ross Ice Shelf, 78°01'0"S, 167°20'0"E, (AMS P 25504); Cape Bird, Ross Island, Southern Rookery, 77°13'0"S, 166°28'0"E (AMS P 80875).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="10" pageNumber="21" type="ecology">
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<paragraph pageId="10" pageNumber="21">Ecology.</paragraph>
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<paragraph pageId="10" pageNumber="21">Steeply sloping rock bottom with encrusted bryozoans and hydroids.</paragraph>
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</subSubSection>
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<subSubSection pageId="10" pageNumber="21" type="remarks">
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<paragraph pageId="10" pageNumber="21">Remarks:</paragraph>
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<paragraph pageId="10" pageNumber="21">
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As this species clearly has an accessory flagellum (although tiny), unspecialized gnathopod propodi and neither much lengthened nor widened merus on P5-7, it has to be placed in the genus Metopoides, and even is a very
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<normalizedToken originalValue="“typical”">"typical"</normalizedToken>
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representative of that genus.
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</paragraph>
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<caption pageId="10" pageNumber="21">
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<paragraph pageId="10" pageNumber="21">
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Figure 3.
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<taxonomicName class="Malacostraca" family="Stenothoidae" genus="Metopoides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metopoides typicus" order="Amphipoda" pageId="10" pageNumber="21" phylum="Arthropoda" rank="species" species="typicus">Metopoides typicus</taxonomicName>
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(Walker, 1906): Cape Bird, Southern Rookery; AMS.
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</paragraph>
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</caption>
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<caption pageId="10" pageNumber="21">
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<paragraph pageId="10" pageNumber="21">
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Figure 4.
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<taxonomicName class="Malacostraca" family="Stenothoidae" genus="Metopoides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Metopoides typicus" order="Amphipoda" pageId="10" pageNumber="21" phylum="Arthropoda" rank="species" species="typicus">Metopoides typicus</taxonomicName>
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(Walker, 1906): Cape Bird, Southern Rookery; AMS.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |