206 lines
16 KiB
XML
206 lines
16 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="AF2B6E01144B2FF40DD23ADEEA345E95" docLanguage="en" docName="ZooKeys 717: 1-139" docOrigin="ZooKeys 717" docSource="http://dx.doi.org/10.3897/zookeys.717.21885" docTitle="Unidentia sandramillenae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schroedl & Picton, 2017, sp. n." docType="treatment" docUuid="88733F74-3948-47E5-8C25-EBFFDDACEC12" docUuidSource="ZooBank" docVersion="6" lastPageNumber="55" 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="55" 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: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="137581522" LSID="urn:lsid:zoobank.org:act:88733F74-3948-47E5-8C25-EBFFDDACEC12" httpUri="http://treatment.plazi.org/id/AF2B6E01144B2FF40DD23ADEEA345E95" lastPageNumber="55" pageId="54" pageNumber="55">
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<subSubSection pageId="54" pageNumber="55" type="nomenclature">
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<paragraph pageId="54" pageNumber="55">
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<taxonomicName LSID="http://zoobank.org/88733F74-3948-47E5-8C25-EBFFDDACEC12" class="Gastropoda" family="Unidentiidae" genus="Unidentia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unidentia sandramillenae" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="species" species="sandramillenae">Unidentia sandramillenae</taxonomicName>
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<taxonomicNameLabel pageId="54" pageNumber="55">sp. n.</taxonomicNameLabel>
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Fig. 43
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</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="type material">
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<paragraph pageId="54" pageNumber="55">Type material.</paragraph>
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<paragraph pageId="54" pageNumber="55">Holotype, ZMMU Op-617, 7 mm long (preserved), Bali, Tulamben, 02.02.2017, 5-10 m depth, stones, collector I Wayan Mudianta.</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="type locality">
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<paragraph pageId="54" pageNumber="55">Type locality.</paragraph>
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<paragraph pageId="54" pageNumber="55">Bali Island, Indonesia.</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="etymology">
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<paragraph pageId="54" pageNumber="55">Etymology.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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In honour of prominent nudibranch researcher, Sandra Millen (The University of British Columbia), who for almost 50 years has conducted fine taxonomic studies, including separation of the new family,
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<taxonomicName family="Unidentiidae" lsidName="" pageId="54" pageNumber="55" rank="family">Unidentiidae</taxonomicName>
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, together with Alicia Hermosillo.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="diagnosis">
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<paragraph pageId="54" pageNumber="55">Diagnosis.</paragraph>
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<paragraph pageId="54" pageNumber="55">Eight to ten ceratal clusters, ground colour and cerata whitish with violet hue, purple middorsal line, rachidian tooth with up to eight denticles, central cusp bears small denticles only in anterior radula, two proximal seminal receptacles, no accessory penial gland, penis with hollow stylet.</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="description">
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<paragraph pageId="54" pageNumber="55">Description.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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External morphology (Fig. 43
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<normalizedToken originalValue="A–C">A-C</normalizedToken>
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). Body elongate 7 mm in length (preserved). Rhinophores similar in size to oral tentacles, smooth. Cerata finger-shaped to fusiform, placed on several distinctly elongate elevations with ceratal clusters along dorsal edges. Apices of cerata gradually pointed, with elongate cnidosac. Distinct notal edge absent. Digestive gland diverticulum fills significant volume of the cerata. Anal opening pleuroproctic towards acleioproctic position on right side below second large ceratal clusters. Reproductive openings lateral, below first anterior cluster of cerata.
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</paragraph>
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<paragraph pageId="54" pageNumber="55">
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Colour (Fig. 43
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<normalizedToken originalValue="A–D">A-D</normalizedToken>
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). General colour translucent white with purple thin middorsal line; oral tentacles covered in purple pigment nearly half its length; subapical purple rings on cerata.
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</paragraph>
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<paragraph pageId="54" pageNumber="55">Jaws (Fig. 43E). Jaws broadly triangular, masticatory borders with special elaborate long denticles placed in clusters.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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Radula (Fig. 43H, I). Radula formula 25
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<normalizedToken originalValue="×">x</normalizedToken>
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0.1.0. Rachidian tooth with up to eight distinct denticles. Central cusp smooth, widened in the middle and distinctly narrowed towards the tip; no small denticles at the base in posterior and middle teeth; vestigial denticles may present on the cusp of a few anterior teeth (Fig. 43I). No lateral teeth.
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</paragraph>
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<paragraph pageId="54" pageNumber="55">Reproductive system (Fig. 43K). Diaulic. Ampulla very voluminous, folded twice (Fig. 43K, am). Prostate thick (Fig. 43K, pr). Vas deferens short (Fig. 43K, vd), penial sheath elongate, conical penis armed with hollow stylet (Fig. 43K). Double proximal receptaculum seminis (Fig. 43K, rsp).</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="biology_ecology">
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<paragraph pageId="54" pageNumber="55">Biology.</paragraph>
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<paragraph pageId="54" pageNumber="55">On stones and algae covered with athecate hydroids (Fig. 43C, D).</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="distribution">
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<paragraph pageId="54" pageNumber="55">Distribution.</paragraph>
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<paragraph pageId="54" pageNumber="55">Currently Indonesia, but probably Indo-West Pacific.</paragraph>
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</subSubSection>
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<subSubSection pageId="54" pageNumber="55" type="remarks">
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<paragraph pageId="54" pageNumber="55">Remarks.</paragraph>
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<paragraph pageId="54" pageNumber="55">
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<taxonomicName class="Gastropoda" family="Unidentiidae" genus="Unidentia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unidentia sandramillenae" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="species" species="sandramillenae">Unidentia sandramillenae</taxonomicName>
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sp. n. differs considerably from the only other known species of the genus
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<taxonomicName class="Gastropoda" family="Unidentiidae" genus="Unidentia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unidentia" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="genus">Unidentia</taxonomicName>
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,
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<taxonomicName lsidName="U. angelvaldesi" pageId="54" pageNumber="55" rank="species" species="angelvaldesi">U. angelvaldesi</taxonomicName>
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Millen & Hermosillo, 2012, both externally and internally. Externally,
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<taxonomicName class="Gastropoda" family="Unidentiidae" genus="Unidentia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unidentia sandramillenae" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="species" species="sandramillenae">Unidentia sandramillenae</taxonomicName>
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sp. n. has a whitish ground colour whereas the Mexican specimens of
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<taxonomicName lsidName="U. angelvaldesi" pageId="54" pageNumber="55" rank="species" species="angelvaldesi">U. angelvaldesi</taxonomicName>
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often have a red-orange ground colour. Internally,
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<taxonomicName class="Gastropoda" family="Unidentiidae" genus="Unidentia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unidentia sandramillenae" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="species" species="sandramillenae">Unidentia sandramillenae</taxonomicName>
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sp. n. differs from
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<taxonomicName lsidName="U. angelvaldesi" pageId="54" pageNumber="55" rank="species" species="angelvaldesi">U. angelvaldesi</taxonomicName>
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in the shape of the central cusp of the rachidian teeth, the shape of the ampulla and the presence of a distinct second seminal reservoir. Furthermore, in the original description of
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<taxonomicName lsidName="U. angelvaldesi" pageId="54" pageNumber="55" rank="species" species="angelvaldesi">U. angelvaldesi</taxonomicName>
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several distinct species from various regions of the Pacific were commingled. Because the holotype was originally from Mexico in the eastern Pacific, the species
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<taxonomicName lsidName="U. angelvaldesi" pageId="54" pageNumber="55" rank="species" species="angelvaldesi">U. angelvaldesi</taxonomicName>
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should be restricted to specimens from the tropical eastern Pacific. There are no molecular data available for the Mexican
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<taxonomicName lsidName="U. angelvaldesi" pageId="54" pageNumber="55" rank="species" species="angelvaldesi">U. angelvaldesi</taxonomicName>
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; however, according to our new data, a separate species of
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<taxonomicName class="Gastropoda" family="Unidentiidae" genus="Unidentia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unidentia" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="genus">Unidentia</taxonomicName>
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, which clearly differs from the
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<taxonomicName class="Gastropoda" family="Unidentiidae" genus="Unidentia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unidentia sandramillenae" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="species" species="sandramillenae">Unidentia sandramillenae</taxonomicName>
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sp. n. from Bali, is also present in Japan and described here as
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<taxonomicName lsidName="U. nihonrossija" pageId="54" pageNumber="55" rank="species" species="nihonrossija">U. nihonrossija</taxonomicName>
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sp. n. (Figs 42, 44, red lines). Therefore, taking into consideration the considerable morphological differences between
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<taxonomicName lsidName="U. angelvaldesi" pageId="54" pageNumber="55" rank="species" species="angelvaldesi">U. angelvaldesi</taxonomicName>
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and
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<taxonomicName class="Gastropoda" family="Unidentiidae" genus="Unidentia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unidentia sandramillenae" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="species" species="sandramillenae">Unidentia sandramillenae</taxonomicName>
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sp. n. these species should also have a considerable molecular gap (Fig. 44, blue line), that should be proved in further studies. In addition, the clade
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<taxonomicName lsidName="U. angelvaldesi" pageId="54" pageNumber="55" rank="species" species="angelvaldesi">U. angelvaldesi</taxonomicName>
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is distant from
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<taxonomicName family="Flabellinopsidae" lsidName="" pageId="54" pageNumber="55" rank="family">Flabellinopsidae</taxonomicName>
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fam. n. according to a recent publication (
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<bibRefCitation author="Goodheart, JA" journalOrPublisher="Bulletin of Marine Science" pageId="77" pageNumber="78" url="https://doi.org/10.1186/s12862-017-1066-0" year="2017">Goodheart et al. 2017</bibRefCitation>
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).
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</paragraph>
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<paragraph pageId="54" pageNumber="55">
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Uncorrected p-distances of the mitochondrial barcode marker (COI) between
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<taxonomicName lsidName="U. sandramillenae" pageId="54" pageNumber="55" rank="species" species="sandramillenae">U. sandramillenae</taxonomicName>
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sp. n. and
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<taxonomicName lsidName="U. nihonrossija" pageId="54" pageNumber="55" rank="species" species="nihonrossija">U. nihonrossija</taxonomicName>
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sp. n. reach 14.2%. Uncorrected p-distances between
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<taxonomicName lsidName="P. amica" pageId="54" pageNumber="55" rank="species" species="amica">P. amica</taxonomicName>
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sp. n. and
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<taxonomicName lsidName="P. goddardi" pageId="54" pageNumber="55" rank="species" species="goddardi">P. goddardi</taxonomicName>
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reach 12.2%. In contrast, the distance values between
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<taxonomicName class="Gastropoda" family="Unidentiidae" genus="Unidentia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Unidentia" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="genus">Unidentia</taxonomicName>
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and
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<taxonomicName class="Gastropoda" family="Unidentiidae" genus="Pacifia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pacifia" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="genus">Pacifia</taxonomicName>
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ranged between 18.3-20.7% supporting the decision to create the new genus
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<taxonomicName class="Gastropoda" family="Unidentiidae" genus="Pacifia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pacifia" order="Nudibranchia" pageId="54" pageNumber="55" phylum="Mollusca" rank="genus">Pacifia</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |