170 lines
12 KiB
XML
170 lines
12 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.717.21885" ID-GBIF-Dataset="7140b994-d67e-44a7-a4e1-daa7216c6b46" ID-PMC="PMC5784208" ID-Pensoft-Pub="1313-2970-717-1" ID-PubMed="29391848" ID-ZBK="C19B43B1B3214CB1B1B2A246CEAC56BC" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-717-1" ModsDocOrigin="ZooKeys 717" ModsDocTitle="Polyphyly of the traditional family Flabellinidae affects a major group of Nudibranchia: aeolidacean taxonomic reassessment with descriptions of several new families, genera, and species (Mollusca, Gastropoda)" checkinTime="1512083542653" checkinUser="pensoft" docAuthor="Korshunova, Tatiana, Martynov, Alexander, Bakken, Torkild, Evertsen, Jussi, Fletcher, Karin, Mudianta, I Wayan, Saito, Hiroshi, Lundin, Kennet, Michael Schroedl, & Picton, Bernard" docDate="2017" docId="6FB3D7B81E4E00419B049AF6B2951782" docLanguage="en" docName="ZooKeys 717: 1-139" docOrigin="ZooKeys 717" docSource="http://dx.doi.org/10.3897/zookeys.717.21885" docTitle="Itaxia Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schroedl & Picton, 2017, gen. n." docType="treatment" docUuid="843ACE1A-FFBC-4790-A1C5-0C97EB076F3A" docUuidSource="ZooBank" docVersion="6" lastPageNumber="35" masterDocId="FFED910FFFF5FFC82005844DFFF1FFA8" masterDocTitle="Polyphyly of the traditional family Flabellinidae affects a major group of Nudibranchia: aeolidacean taxonomic reassessment with descriptions of several new families, genera, and species (Mollusca, Gastropoda)" masterLastPageNumber="139" masterPageNumber="1" pageNumber="35" updateTime="1668165142384" 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>Polyphyly of the traditional family Flabellinidae affects a major group of Nudibranchia: aeolidacean taxonomic reassessment with descriptions of several new families, genera, and species (Mollusca, Gastropoda)</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>Korshunova, Tatiana</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>Martynov, Alexander</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>Bakken, Torkild</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>Evertsen, Jussi</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>Fletcher, Karin</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>Mudianta, I Wayan</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>Saito, Hiroshi</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>Lundin, Kennet</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>Michael Schroedl,</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>Picton, Bernard</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>2017</mods:date>
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<mods:detail type="volume">
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<mods:number>717</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>139</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.717.21885</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.717.21885</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-717-1</mods:identifier>
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<mods:identifier type="ZBK">C19B43B1B3214CB1B1B2A246CEAC56BC</mods:identifier>
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<mods:identifier type="ZooBank">C19B43B1B3214CB1B1B2A246CEAC56BC</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="137581549" LSID="urn:lsid:zoobank.org:act:843ACE1A-FFBC-4790-A1C5-0C97EB076F3A" httpUri="http://treatment.plazi.org/id/6FB3D7B81E4E00419B049AF6B2951782" lastPageNumber="35" pageId="34" pageNumber="35">
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<subSubSection pageId="34" pageNumber="35" type="nomenclature">
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<paragraph pageId="34" pageNumber="35">
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<taxonomicName LSID="http://zoobank.org/843ACE1A-FFBC-4790-A1C5-0C97EB076F3A" class="Gastropoda" family="Coryphellidae" genus="Itaxia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Itaxia" order="Nudibranchia" pageId="34" pageNumber="35" phylum="Mollusca" rank="genus">Itaxia</taxonomicName>
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<taxonomicNameLabel pageId="34" pageNumber="35">gen. n.</taxonomicNameLabel>
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Figs 21, 29
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</paragraph>
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</subSubSection>
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<subSubSection pageId="34" pageNumber="35" type="type species">
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<paragraph pageId="34" pageNumber="35">Type species.</paragraph>
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<paragraph pageId="34" pageNumber="35">
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<taxonomicName class="Gastropoda" family="Coryphellidae" genus="Coryphella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Coryphella falklandica" order="Nudibranchia" pageId="34" pageNumber="35" phylum="Mollusca" rank="species" species="falklandica">Coryphella falklandica</taxonomicName>
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Eliot, 1907
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</paragraph>
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</subSubSection>
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<subSubSection pageId="34" pageNumber="35" type="etymology">
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<paragraph pageId="34" pageNumber="35">Etymology.</paragraph>
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<paragraph pageId="34" pageNumber="35">
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After itax (meaning
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<normalizedToken originalValue="“south”">"south"</normalizedToken>
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in
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<normalizedToken originalValue="Yagán">Yagan</normalizedToken>
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(Yaghan), a nearly extinct language) because
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<normalizedToken originalValue="Yagáns">Yagans</normalizedToken>
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are regarded as the southernmost peoples in the world who traditionally inhabited the very end of South America thus are close to the range of the only known coryphellid nudibranchs from the southern sub-Antarctic waters.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="34" pageNumber="35" type="diagnosis">
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<paragraph pageId="34" pageNumber="35">Diagnosis.</paragraph>
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<paragraph pageId="34" pageNumber="35">Body moderately wide. Notal ridge present, reduced, continuous. Cerata in continuous rows. Rhinophores wrinkled. Anterior foot corners present. Rachidian teeth with non-compressed broad cusp and distinct denticles. Lateral teeth denticulated without attenuated process basally. Receptaculum seminis unknown. Vas deferens very short, thick. Penis broad, lobe-shaped.</paragraph>
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</subSubSection>
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<subSubSection pageId="34" pageNumber="35" type="species included">
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<paragraph pageId="34" pageNumber="35">Species included.</paragraph>
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<paragraph pageId="34" pageNumber="35">
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<taxonomicName class="Gastropoda" family="Coryphellidae" genus="Itaxia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Itaxia falklandica" order="Nudibranchia" pageId="34" pageNumber="35" phylum="Mollusca" rank="species" species="falklandica">Itaxia falklandica</taxonomicName>
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(Eliot, 1907), comb. n. (Fig. 29) (original description in
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<bibRefCitation author="Eliot, CE" journalOrPublisher="Proceedings of the Malacological Society of London" pageId="76" pageNumber="77" pagination="327 - 361" title="Nudibranchs from New Zealand and the Falkland Islands." volume="7" year="1907">Eliot 1907</bibRefCitation>
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, morphological data in
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<bibRefCitation pageId="34" pageNumber="35">Odhner 1944</bibRefCitation>
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;
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<bibRefCitation author="Marcus, Er" journalOrPublisher="Lunds Universitets Arsskrift (Ny Foeljd)" pageId="79" pageNumber="80" pagination="1 - 133" title="Reports from the Lund University Chile Expedition 1948 - 49, No. 36. Lamellariacea und Opisthobranchia." volume="55" year="1959">Marcus 1959</bibRefCitation>
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,
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<bibRefCitation author="Schroedl, M" journalOrPublisher="Conch Books, Hackenheim" pageId="84" pageNumber="85" title="Sea slugs of southern South America." year="2003">
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<normalizedToken originalValue="Schrödl">Schroedl</normalizedToken>
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2003
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</bibRefCitation>
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; neotype from southern Chile (
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<normalizedToken originalValue="Bahía">Bahia</normalizedToken>
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Mansa) designated by
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<bibRefCitation author="Schroedl, M" journalOrPublisher="Conch Books, Hackenheim" pageId="84" pageNumber="85" title="Sea slugs of southern South America." year="2003">
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<normalizedToken originalValue="Schrödl">Schroedl</normalizedToken>
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2003
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</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="34" pageNumber="35" type="remarks">
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<paragraph pageId="34" pageNumber="35">Remarks.</paragraph>
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<paragraph pageId="34" pageNumber="35">
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Externally the single included species
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<taxonomicName class="Gastropoda" family="Coryphellidae" genus="Itaxia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Itaxia falklandica" order="Nudibranchia" pageId="34" pageNumber="35" phylum="Mollusca" rank="species" species="falklandica">Itaxia falklandica</taxonomicName>
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is similar to the species of the genus
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<taxonomicName class="Gastropoda" family="Coryphellidae" genus="Borealia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Borealia" order="Nudibranchia" pageId="34" pageNumber="35" phylum="Mollusca" rank="genus">Borealia</taxonomicName>
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, with a moderately wide body and continuous notal margin; however, the reproductive system with short vas deferens and broad penis more closely resembles the genera
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<taxonomicName class="Gastropoda" family="Coryphellidae" genus="Gulenia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Gulenia" order="Nudibranchia" pageId="34" pageNumber="35" phylum="Mollusca" rank="genus">Gulenia</taxonomicName>
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and
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<taxonomicName class="Gastropoda" family="Coryphellidae" genus="Fjordia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Fjordia" order="Nudibranchia" pageId="34" pageNumber="35" phylum="Mollusca" rank="genus">Fjordia</taxonomicName>
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. In the present study, molecular data for
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<taxonomicName lsidName="I. falklandica" pageId="34" pageNumber="35" rank="species" species="falklandica">I. falklandica</taxonomicName>
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was obtained for the first time from the specimens from southern Chile. Most unexpectedly, our molecular analysis places
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<taxonomicName class="Gastropoda" family="Coryphellidae" genus="Itaxia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Itaxia falklandica" order="Nudibranchia" pageId="34" pageNumber="35" phylum="Mollusca" rank="species" species="falklandica">Itaxia falklandica</taxonomicName>
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as sister to the genus
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<taxonomicName class="Gastropoda" family="Coryphellidae" genus="Microchlamylla" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microchlamylla" order="Nudibranchia" pageId="34" pageNumber="35" phylum="Mollusca" rank="genus">Microchlamylla</taxonomicName>
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(see below) which differs considerably from
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<taxonomicName class="Gastropoda" family="Coryphellidae" genus="Itaxia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Itaxia" order="Nudibranchia" pageId="34" pageNumber="35" phylum="Mollusca" rank="genus">Itaxia</taxonomicName>
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by the presence of a discontinuous notal edge and a remarkable reproductive system with several loops of thin vas deferens without a distinct prostate and a small narrow penis (Figs 21, 30I).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |