170 lines
16 KiB
XML
170 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.87.784" ID-GBIF-Dataset="4f1f7124-7644-4667-851e-cf2b42745004" ID-PMC="PMC3082997" ID-Pensoft-Pub="1313-2970-87-19" ID-PubMed="21594100" ModsDocAuthor="" ModsDocDate="2011" ModsDocID="1313-2970-87-19" ModsDocOrigin="ZooKeys 87" ModsDocTitle="Tanaidaceans (Crustacea) from the Central Pacific Manganese Nodule Province. I. The genera Collettea, Robustochelia and Tumidochelia" checkinTime="1451250745275" checkinUser="pensoft" docAuthor="Larsen, Kim" docDate="2011" docId="F1B1E3BB7CB73B93AC5D6E9B59958CD5" docLanguage="en" docName="ZooKeys 87: 19-41" docOrigin="ZooKeys 87" docSource="http://dx.doi.org/10.3897/zookeys.87.784" docTitle="Tumidochelia Robustochelia Kudinova-Pasternak 1983" docType="treatment" docVersion="4" lastPageNumber="31" masterDocId="091B75074838FFA6FFCDFF81046AFFE1" masterDocTitle="Tanaidaceans (Crustacea) from the Central Pacific Manganese Nodule Province. I. The genera Collettea, Robustochelia and Tumidochelia" masterLastPageNumber="41" masterPageNumber="19" pageNumber="30" updateTime="1668167725948" 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>Tanaidaceans (Crustacea) from the Central Pacific Manganese Nodule Province. I. The genera Collettea, Robustochelia and Tumidochelia</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>Larsen, Kim</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>87</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>19</mods:start>
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<mods:end>41</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.87.784</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.87.784</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-87-19</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159361563" LSID="urn:lsid:plazi:treatment:F1B1E3BB7CB73B93AC5D6E9B59958CD5" httpUri="http://treatment.plazi.org/id/F1B1E3BB7CB73B93AC5D6E9B59958CD5" lastPageId="12" lastPageNumber="31" pageId="11" pageNumber="30">
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<subSubSection pageId="11" pageNumber="30" type="nomenclature">
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<paragraph pageId="11" pageNumber="30">
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Genus
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<taxonomicName authority="Kudinova-Pasternak, 1983" authorityName="Kudinova-Pasternak" authorityYear="1983" class="Malacostraca" family="Akanthophoreidae" genus="Tumidochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tumidochelia Robustochelia" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="Robustochelia">Robustochelia Kudinova-Pasternak, 1983</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="11" pageNumber="30" type="type species">
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<paragraph pageId="11" pageNumber="30">Type species.</paragraph>
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<paragraph pageId="11" pageNumber="30">
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<taxonomicName class="Malacostraca" family="Leptognathiidae" genus="Leptognathia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leptognathia robusta" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="robusta">Leptognathia robusta</taxonomicName>
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(Kudinova-Pasternak, 1970)
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</paragraph>
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</subSubSection>
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<subSubSection pageId="11" pageNumber="30" type="diagnosis">
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<paragraph pageId="11" pageNumber="30">Diagnosis.</paragraph>
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<paragraph pageId="11" pageNumber="30">
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(Modified after
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<bibRefCitation author="Jozwiak, P" journalOrPublisher="Zootaxa" pageId="16" pageNumber="35" pagination="19 - 35" title="New records of two rare genera, Monstrotanais Kudinova-Pasternak, 1981 and Robustochelia Kudinova-Pasternak, 1983 (Tanaidacea: Crustacea)." volume="1505" year="2007">
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<normalizedToken originalValue="Józwiak">Jozwiak</normalizedToken>
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and
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<normalizedToken originalValue="Błażewicz-Paszkowycz">Blazewicz-Paszkowycz</normalizedToken>
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2007
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</bibRefCitation>
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) Female. Antennule with four visible articles and one minute terminal article (often not visible in the compound scope as with
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<taxonomicName class="Malacostraca" family="Colletteidae" genus="Collettea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Collettea" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Collettea</taxonomicName>
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and many other tanaidomorphans). Antenna with six articles, articles 2 and 3 with robust dorsodistal setae. Mandibular molar pointed. Labium consists of one pair of lobes with minute distal setulation, usually with medial processes (e.i.
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<normalizedToken originalValue="´lobes´">'lobes'</normalizedToken>
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sensu
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<bibRefCitation author="Jozwiak, P" journalOrPublisher="Zootaxa" pageId="16" pageNumber="35" pagination="19 - 35" title="New records of two rare genera, Monstrotanais Kudinova-Pasternak, 1981 and Robustochelia Kudinova-Pasternak, 1983 (Tanaidacea: Crustacea)." volume="1505" year="2007">
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<normalizedToken originalValue="Józwiak">Jozwiak</normalizedToken>
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and
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<normalizedToken originalValue="Błażewicz-Paszkowycz">Blazewicz-Paszkowycz</normalizedToken>
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2007
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</bibRefCitation>
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). Maxillipedal palp robust; endites not fused, with distal setae but without distal denticles, narrower than basis. Chelipeds attached by ventral sidepiece, carpus and propodus massive, dactylus and fixed finger shorter than rest of propodus, and heavily chitinized. Pereopods 1-3 with coxa, dactylus and unguis combined shorter than, or as long as, propodus, unguis longer than dactylus. Pereopods 4-6 without coxa, dactylus and unguis not fused to a claw. Pleopods present. Uropodal exopod uniarticulated, endopod consisting of one (with pseudoarticulation) or two articles.
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</paragraph>
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<paragraph pageId="11" pageNumber="30">Male:Similar to female, but antennule articles 1-3 much wider than in female.</paragraph>
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</subSubSection>
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<subSubSection pageId="11" pageNumber="30" type="gender">
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<paragraph pageId="11" pageNumber="30">Gender.</paragraph>
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<paragraph pageId="11" pageNumber="30">Feminine.</paragraph>
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</subSubSection>
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<subSubSection pageId="11" pageNumber="30" type="species currently assigned to this genus">
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<paragraph pageId="11" pageNumber="30">Species currently assigned to this genus.</paragraph>
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<paragraph pageId="11" pageNumber="30">
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<taxonomicName class="Malacostraca" genus="Robustochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Robustochelia angusticephala" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="angusticephala">Robustochelia angusticephala</taxonomicName>
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Kudinova-Pasternak, 1986;
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<taxonomicName class="Malacostraca" genus="Robustochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Robustochelia longa" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="longa">Robustochelia longa</taxonomicName>
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Kudinova-Pasternak, 1983;
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<taxonomicName class="Malacostraca" genus="Robustochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Robustochelia pacifica" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="pacifica">Robustochelia pacifica</taxonomicName>
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sp. n.;
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<taxonomicName class="Malacostraca" genus="Robustochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Robustochelia robusta" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="robusta">Robustochelia robusta</taxonomicName>
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(Kudinova-Pasternak, 1970);
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<taxonomicName class="Malacostraca" genus="Robustochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Robustochelia virilis" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="species" species="virilis">Robustochelia virilis</taxonomicName>
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<normalizedToken originalValue="Józwiak">Jozwiak</normalizedToken>
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and
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<normalizedToken originalValue="Błażewicz-Paszkowycz">Blazewicz-Paszkowycz</normalizedToken>
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, 2007.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="12" lastPageNumber="31" pageId="11" pageNumber="30" type="remarks">
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<paragraph pageId="11" pageNumber="30">Remarks.</paragraph>
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<paragraph pageId="11" pageNumber="30">
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The genus
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<taxonomicName class="Malacostraca" genus="Robustochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Robustochelia" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Robustochelia</taxonomicName>
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is a rare, and exclusively deep-sea, genus (
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<bibRefCitation author="Larsen, K" journalOrPublisher="Brill" pageId="16" pageNumber="35" title="Deep-sea Tanaidacea (Peracarida) from the Gulf of Mexico. Crustaceana monographs. 5." year="2005">Larsen 2005</bibRefCitation>
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;
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<bibRefCitation author="Jozwiak, P" journalOrPublisher="Zootaxa" pageId="16" pageNumber="35" pagination="19 - 35" title="New records of two rare genera, Monstrotanais Kudinova-Pasternak, 1981 and Robustochelia Kudinova-Pasternak, 1983 (Tanaidacea: Crustacea)." volume="1505" year="2007">
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<normalizedToken originalValue="Józwiak">Jozwiak</normalizedToken>
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and
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<normalizedToken originalValue="Błażewicz-Paszkowycz">Blazewicz-Paszkowycz</normalizedToken>
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2007
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</bibRefCitation>
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). It is primarily recognized by the heavy cheliped with a calcified keel on the cheliped fixed finger but despite the recent clarifications by
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<bibRefCitation author="Jozwiak, P" journalOrPublisher="Zootaxa" pageId="16" pageNumber="35" pagination="19 - 35" title="New records of two rare genera, Monstrotanais Kudinova-Pasternak, 1981 and Robustochelia Kudinova-Pasternak, 1983 (Tanaidacea: Crustacea)." volume="1505" year="2007">
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<normalizedToken originalValue="Józwiak">Jozwiak</normalizedToken>
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and
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<normalizedToken originalValue="Błażewicz-Paszkowycz">Blazewicz-Paszkowycz</normalizedToken>
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(2007)
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</bibRefCitation>
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it i still poorly defined and poorly studied genus, due to the rarity of both species and specimens. The genus currently consists of five species including the one described herein. Apart from the heavy cheliped, the defining characters of
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<taxonomicName class="Malacostraca" genus="Robustochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Robustochelia" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Robustochelia</taxonomicName>
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are the combination of a 'general
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<normalizedToken originalValue="leptognatid´">leptognatid'</normalizedToken>
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morphology: consisting of an antennule with four plus one minute articles, a pointed mandibular molar, and a uniarticulated exopod. However the calcified cheliped keel is found in species of other genera (
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<taxonomicName class="Malacostraca" genus="Leptognathioides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leptognathioides" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Leptognathioides</taxonomicName>
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,
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<taxonomicName genus="Siphonolabium" lsidName="Siphonolabium" pageId="11" pageNumber="30" rank="genus">Siphonolabium</taxonomicName>
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,
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<taxonomicName class="Malacostraca" genus="Monstrotanais" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Monstrotanais" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Monstrotanais</taxonomicName>
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, and
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<taxonomicName class="Malacostraca" genus="Robustochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Robustochelia" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Robustochelia</taxonomicName>
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[?] solida) and the combination of the other 'general
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<normalizedToken originalValue="leptoganthid´">leptoganthid'</normalizedToken>
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characters all present in several other deep-sea genera (
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<taxonomicName class="Malacostraca" family="Colletteidae" genus="Caudalonga" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Caudalonga" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Caudalonga</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Colletteidae" genus="Filitanais" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Filitanais" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Filitanais</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Leptognathiidae" genus="Forcipatia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Forcipatia" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Forcipatia</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Leptognathiidae" genus="Leptognathia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leptognathia" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Leptognathia</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Colletteidae" genus="Leptognathiella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leptognathiella" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Leptognathiella</taxonomicName>
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,
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<taxonomicName class="Malacostraca" family="Akanthophoreidae" genus="Stenotanais" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Stenotanais" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Stenotanais</taxonomicName>
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). No other synapomorphic characters are present and several of the species of
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<taxonomicName class="Malacostraca" genus="Robustochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Robustochelia" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Robustochelia</taxonomicName>
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are only incompletely described. Unfortunately it is not unusual for tanaid systematists to have to rely on a character combination as this for genus diagnosis, but the homoplastic nature of all the characters in
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<taxonomicName class="Malacostraca" genus="Robustochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Robustochelia" order="Tanaidacea" pageId="11" pageNumber="30" phylum="Arthropoda" rank="genus">Robustochelia</taxonomicName>
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indicates that it is probably not monophyletic. Further studies, particularly genetic studies, needs to verify the status of this genus (Larsen and Froufe in progress).
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</paragraph>
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<paragraph pageId="12" pageNumber="31">
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<pageBreakToken pageId="12" pageNumber="31" start="start">The</pageBreakToken>
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labial medial processes or
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<normalizedToken originalValue="´lobes´">'lobes'</normalizedToken>
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sensu
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<bibRefCitation author="Jozwiak, P" journalOrPublisher="Zootaxa" pageId="16" pageNumber="35" pagination="19 - 35" title="New records of two rare genera, Monstrotanais Kudinova-Pasternak, 1981 and Robustochelia Kudinova-Pasternak, 1983 (Tanaidacea: Crustacea)." volume="1505" year="2007">
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<normalizedToken originalValue="Józwiak">Jozwiak</normalizedToken>
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and
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<normalizedToken originalValue="Błażewicz-Paszkowycz">Blazewicz-Paszkowycz</normalizedToken>
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(2007)
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</bibRefCitation>
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are in this authors opinion note
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<normalizedToken originalValue="´lobes´">'lobes'</normalizedToken>
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in the true sence as seen in
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<taxonomicName class="Malacostraca" family="Leptocheliidae" genus="Leptochelia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Leptochelia" order="Tanaidacea" pageId="12" pageNumber="31" phylum="Arthropoda" rank="genus">Leptochelia</taxonomicName>
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or
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<taxonomicName class="Malacostraca" family="Tanaididae" genus="Tanais" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tanais" order="Tanaidacea" pageId="12" pageNumber="31" phylum="Arthropoda" rank="genus">Tanais</taxonomicName>
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but thin membranous lateral extensions).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |