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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.899.47070" ID-GBIF-Dataset="2c7e9ce7-8a11-4d64-9a73-40bb2eb487fb" ID-PMC="PMC6926428" ID-Pensoft-Pub="1313-2970-899-109" ID-Pensoft-UUID="E0FA12EBCCD55E3B8BC61796697C69C3" ID-PubMed="31875090" ID-ZooBank="9AA5216D3150475DA165B36EABCB61E2" ModsDocID="1313-2970-899-109" checkinTime="1576248706674" checkinUser="pensoft" docAuthor="Taylor, John D. &amp; Glover, Emily A." docDate="2019" docId="375FA7194F6C545FB3801C7765697ED0" docLanguage="en" docName="ZooKeys 899: 109-140" docOrigin="ZooKeys 899" docSource="http://dx.doi.org/10.3897/zookeys.899.47070" docTitle="Rugalucina vietnamica Zorina 1978" docType="treatment" docVersion="4" id="E0FA12EBCCD55E3B8BC61796697C69C3" lastPageNumber="109" masterDocId="E0FA12EBCCD55E3B8BC61796697C69C3" masterDocTitle="Unloved, paraphyletic or misplaced: new genera and species of small to minute lucinid bivalves and their relationships (Bivalvia, Lucinidae)" masterLastPageNumber="140" masterPageNumber="109" pageNumber="109" updateTime="1668168230035" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Unloved, paraphyletic or misplaced: new genera and species of small to minute lucinid bivalves and their relationships (Bivalvia, Lucinidae)</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Taylor, John D.</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Glover, Emily A.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>ZooKeys</mods:title>
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<mods:part>
<mods:date>2019</mods:date>
<mods:detail type="volume">
<mods:number>899</mods:number>
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<mods:extent unit="page">
<mods:start>109</mods:start>
<mods:end>140</mods:end>
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<mods:url>http://dx.doi.org/10.3897/zookeys.899.47070</mods:url>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.899.47070</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-899-109</mods:identifier>
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<treatment ID-GBIF-Taxon="160702945" LSID="urn:lsid:plazi:treatment:375FA7194F6C545FB3801C7765697ED0" httpUri="http://treatment.plazi.org/id/375FA7194F6C545FB3801C7765697ED0" lastPageNumber="109" pageId="0" pageNumber="109">
<subSubSection pageId="0" pageNumber="109" type="nomenclature">
<paragraph pageId="0" pageNumber="109">
<taxonomicName LSID="375FA719-4F6C-545F-B380-1C7765697ED0" authority="Zorina, 1978" authorityName="Zorina" authorityYear="1978" class="Bivalvia" family="Lucinidae" genus="Rugalucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rugalucina vietnamica" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="vietnamica">Rugalucina vietnamica (Zorina, 1978)</taxonomicName>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Internal drawings of left valves of Rugalucina and Pusillolucina species. Not to scale." figureDoi="10.3897/zookeys.899.47070.figure3" httpUri="https://binary.pensoft.net/fig/364610" pageId="0" pageNumber="109" tableDoi="10.3897/zookeys.899.47070.figure3">Figs 3</figureCitation>
,
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Rugalucina vietnamica (Zorina, 1978). A-C Pillucina vietnamica Zorina, 1978 syntypes (ZISP), exterior of right valve and interior of left and right valves, Hainan, China, L 5.5 - 8.9 mm D internal drawing of C. E, F R. vietnamica Palau Semaku, Singapore (NHMUK 20150057), L 8.5 mm G-L R. vietnamica Kungkraben Bay, eastern Thailand (NHMUK 20191072) G exterior of right valve, L 7.0 mm. H exterior of left valve, L 7.0 mm I, J interior of left and right valves, L 7.7 mm K dorsal view L 5.6 mm L, M detail of hinge of I and J. N Section through gill of Rugalucina vietnamica Kungkraben Bay, Thailand showing filaments with ciliary (cz) and bacteriocyte zones (bz). Critical-point dried preparation O detail showing abundant bacterial symbionts in bacteriocytes. Scale bars: 20 µm (N); 10 µm (O)." figureDoi="10.3897/zookeys.899.47070.figure4" httpUri="https://binary.pensoft.net/fig/364611" pageId="0" pageNumber="109" tableDoi="10.3897/zookeys.899.47070.figure4">4</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="reference_group">
<paragraph pageId="0" pageNumber="109">
<taxonomicName class="Bivalvia" family="Lucinidae" genus="Pillucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pillucina vietnamica" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="vietnamica">Pillucina vietnamica</taxonomicName>
Zorina, 1978:195, figs 3 &amp; 6).
</paragraph>
<paragraph pageId="0" pageNumber="109">
<taxonomicName class="Bivalvia" family="Lucinidae" genus="Pillucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pillucina vietnamica" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="vietnamica">Pillucina vietnamica</taxonomicName>
:
<bibRefCitation author="Lutaenko, K" journalOrPublisher="Phuket Marine Biological Center Special Publication" pageId="0" pageNumber="109" pagination="361 - 390" refId="B30" refString="Lutaenko, K, 2000. Russian contributions to studies of Vietnamese bivalves Part 2. List of species recorded by Russian authors or stored in Museums. Phuket Marine Biological Center Special Publication 21: 361 - 390" title="Russian contributions to studies of Vietnamese bivalves Part 2. List of species recorded by Russian authors or stored in Museums." volume="21" year="2000">Lutaenko 2000</bibRefCitation>
: 383, pl. 1, figs 1, 2; pl. 3, fig. 1.
</paragraph>
<paragraph pageId="0" pageNumber="109">
<taxonomicName class="Bivalvia" family="Lucinidae" genus="Pillucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pillucina vietnamica" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="vietnamica">Pillucina vietnamica</taxonomicName>
(part):
<bibRefCitation DOI="https://doi.org/10.3853/j.0067-1975.53.2001.1349" author="Glover, EA" journalOrPublisher="Records of the Australian Museum" pageId="0" pageNumber="109" pagination="263 - 292" refId="B18" refString="Glover, EA, Taylor, JD, 2001. Systematic revision of Australian and Indo-Pacific Lucinidae (Mollusca: Bivalvia): Pillucina, Wallucina and descriptions of two new genera and four new species. Records of the Australian Museum 53: 263 - 292" title="Systematic revision of Australian and Indo-Pacific Lucinidae (Mollusca: Bivalvia): Pillucina, Wallucina and descriptions of two new genera and four new species." url="https://doi.org/10.3853/j.0067-1975.53.2001.1349" volume="53" year="2001">Glover and Taylor 2001</bibRefCitation>
: 273, figs 7a-g.
</paragraph>
<paragraph pageId="0" pageNumber="109">
<taxonomicName class="Bivalvia" family="Lucinidae" genus="Pillucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pillucina vietnamica" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="vietnamica">Pillucina vietnamica</taxonomicName>
:
<bibRefCitation author="Glover, EA" journalOrPublisher="Raffles Bulletin of Zoology, supplement" pageId="0" pageNumber="109" pagination="539 - 565" refId="B21" refString="Glover, EA, Williams, ST, Taylor, JD, 2016. Lucinid bivalves of Singapore and their relationships (Bivalvia: Lucinidae). Raffles Bulletin of Zoology, supplement 34: 539 - 565" title="Lucinid bivalves of Singapore and their relationships (Bivalvia: Lucinidae)." volume="34" year="2016">Glover et al. 2016</bibRefCitation>
: 553, fig. H, A-M.
</paragraph>
<paragraph pageId="0" pageNumber="109">
<taxonomicName class="Bivalvia" family="Lucinidae" genus="Pillucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pillucina angela" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="angela">Pillucina angela</taxonomicName>
(Melvill, 1899) (part):
<bibRefCitation author="Huber, M" journalOrPublisher="ConchBooks, Harxheim, Germany" pageId="0" pageNumber="109" refId="B24" refString="Huber, M, 2015. Compendium of bivalves 2. ConchBooks, Harxheim, Germany" title="Compendium of bivalves 2." year="2015">Huber 2015</bibRefCitation>
: 422, figs p. 76.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="type material">
<paragraph pageId="0" pageNumber="109">Type material.</paragraph>
<paragraph pageId="0" pageNumber="109">
<taxonomicName class="Bivalvia" family="Lucinidae" genus="Pillucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pillucina vietnamica" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="vietnamica">
<emphasis italics="true" pageId="0" pageNumber="109">Pillucina vietnamica</emphasis>
</taxonomicName>
syntypes (ZISP), 13 shells and 1 valve, L 5.5-8.9 mm.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="type locality">
<paragraph pageId="0" pageNumber="109">Type locality.</paragraph>
<paragraph pageId="0" pageNumber="109">Intertidal, south coast of Hainan, China.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="description">
<paragraph pageId="0" pageNumber="109">Description.</paragraph>
<paragraph pageId="0" pageNumber="109">Small (L to 10 mm), sub-circular, longer than high, posteriorly slightly truncate, moderately inflated. Shell white, slightly translucent and waxy in appearance. Sculpture of many, fine, low, commarginal lamellae and low radial ribs which are broader and more prominent towards the anterior and posterior. Radial ribs are conspicuously fluted where commarginal lamellae cross giving a crinkled appearance. Lunule elongate, lanceolate and impressed, slightly asymmetrical. Ligament internal, short, situated on a broadly triangular resilifer. Hinge: right valve with single, cardinal tooth, anterior and posterior lateral teeth small, posterior tooth elongate. Left valve with two narrow cardinal teeth, a small anterior lateral socket and posterior lateral narrow socket. Anterior adductor muscle scar medium-long, detached for ca. 50 % of length. Posterior scar ovate. Pallial line entire, sometimes partially discontinuous or irregularly lobate. Shell margin crenulate, with crenulations coarser towards anterior and posterior.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="distribution">
<paragraph pageId="0" pageNumber="109">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" pageId="0" pageNumber="109">Singapore</emphasis>
: Pulau Semakau (NHMUK), Seringat Bay (NHMUK).
<emphasis bold="true" pageId="0" pageNumber="109">Malaysia</emphasis>
: Langkawi (AMS).
<emphasis bold="true" pageId="0" pageNumber="109">Western Thailand</emphasis>
: Ao Bang Ben, Kapoe (NHMUK), Ban Bang Ben (NHMUK), Tung Nam Dan, Phang Nga Province (NHMUK),
<emphasis bold="true" pageId="0" pageNumber="109">Eastern Thailand</emphasis>
: Kungkraben Bay (NHMUK).
<emphasis bold="true" pageId="0" pageNumber="109">Cambodia</emphasis>
: 5 km E of port, Sihanoukville (NHMUK).
<emphasis bold="true" pageId="0" pageNumber="109">Vietnam</emphasis>
: Dam Bay near Nha Trang (
<bibRefCitation DOI="https://doi.org/10.1080/13235818.2019.1638567" author="Zvonareva, SS" journalOrPublisher="Molluscan Research" pageId="0" pageNumber="109" pagination="296 - 312" refId="B57" refString="Zvonareva, SS, Mekhova, ES, Ha Vo, T, Kantor, YI, 2019. Checklist of bivalve molluscs in mangroves of Khanh Hoa Province, Vietnam. Molluscan Research 39: 296 - 312" title="Checklist of bivalve molluscs in mangroves of Khanh Hoa Province, Vietnam." url="https://doi.org/10.1080/13235818.2019.1638567" volume="39" year="2019">Zvonareva et al. 2019</bibRefCitation>
).
<emphasis bold="true" pageId="0" pageNumber="109">China</emphasis>
: Hainan (MNHN), Hong Kong (NHMUK), Daya Bay (NHMUK).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="habitat">
<paragraph pageId="0" pageNumber="109">Habitat.</paragraph>
<paragraph pageId="0" pageNumber="109">
Intertidal to shallow sub-tidal seagrass and muddy habitats. Recorded at high densities in muddy seagrass and mangrove fringe habitats of eastern and western Thailand (
<bibRefCitation author="Meyer, E" journalOrPublisher="Raffles Museum Bulletin of Zoology, supplement" pageId="0" pageNumber="109" pagination="41 - 55" refId="B33" refString="Meyer, E, Nilkerd, B, Glover, EA, Taylor, JD, 2008. Ecological importance of chemoautotrophic lucinid bivalves in a peri-mangrove community in Eastern Thailand. Raffles Museum Bulletin of Zoology, supplement 18: 41 - 55" title="Ecological importance of chemoautotrophic lucinid bivalves in a peri-mangrove community in Eastern Thailand." volume="18" year="2008">Meyer et al. 2008</bibRefCitation>
; Rattanachot and Prathep 2016). Gill structure and symbiotic bacteria are illustrated in
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Rugalucina vietnamica (Zorina, 1978). A-C Pillucina vietnamica Zorina, 1978 syntypes (ZISP), exterior of right valve and interior of left and right valves, Hainan, China, L 5.5 - 8.9 mm D internal drawing of C. E, F R. vietnamica Palau Semaku, Singapore (NHMUK 20150057), L 8.5 mm G-L R. vietnamica Kungkraben Bay, eastern Thailand (NHMUK 20191072) G exterior of right valve, L 7.0 mm. H exterior of left valve, L 7.0 mm I, J interior of left and right valves, L 7.7 mm K dorsal view L 5.6 mm L, M detail of hinge of I and J. N Section through gill of Rugalucina vietnamica Kungkraben Bay, Thailand showing filaments with ciliary (cz) and bacteriocyte zones (bz). Critical-point dried preparation O detail showing abundant bacterial symbionts in bacteriocytes. Scale bars: 20 µm (N); 10 µm (O)." figureDoi="10.3897/zookeys.899.47070.figure4" httpUri="https://binary.pensoft.net/fig/364611" pageId="0" pageNumber="109" tableDoi="10.3897/zookeys.899.47070.figure4">Fig. 4N, O</figureCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="109" type="remarks">
<paragraph pageId="0" pageNumber="109">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="109">
Although we formerly recorded
<taxonomicName class="Bivalvia" family="Lucinidae" genus="Rugalucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rugalucina vietnamica" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="vietnamica">
<emphasis italics="true" pageId="0" pageNumber="109">Rugalucina vietnamica</emphasis>
</taxonomicName>
with a broad longitudinal range from the northern Red Sea to southern China (
<bibRefCitation DOI="https://doi.org/10.3853/j.0067-1975.53.2001.1349" author="Glover, EA" journalOrPublisher="Records of the Australian Museum" pageId="0" pageNumber="109" pagination="263 - 292" refId="B18" refString="Glover, EA, Taylor, JD, 2001. Systematic revision of Australian and Indo-Pacific Lucinidae (Mollusca: Bivalvia): Pillucina, Wallucina and descriptions of two new genera and four new species. Records of the Australian Museum 53: 263 - 292" title="Systematic revision of Australian and Indo-Pacific Lucinidae (Mollusca: Bivalvia): Pillucina, Wallucina and descriptions of two new genera and four new species." url="https://doi.org/10.3853/j.0067-1975.53.2001.1349" volume="53" year="2001">Glover and Taylor 2001</bibRefCitation>
) we now regard it as having a narrower range along the continental margin of south eastern Asia with few records from islands. Despite intensive sampling by the MNHN Paris Expeditions around Panglao, Philippines (2004, 2005) and Papua New Guinea (2012, 2014) no
<taxonomicName lsidName="R. vietnamica" pageId="0" pageNumber="109" rank="species" species="vietnamica">
<emphasis italics="true" pageId="0" pageNumber="109">R. vietnamica</emphasis>
</taxonomicName>
were recorded (
<bibRefCitation author="Glover, EA" editor="Heros, V" journalOrPublisher="Memoires du Museum national d'Histoire naturelle" pageId="0" pageNumber="109" pagination="865 - 234" refId="B20" refString="Glover, EA, Taylor, JD, 2016. Lucinidae of the Philippines: highest known diversity and ubiquity of chemosymbiotic bivalves from intertidal to bathyal depths (Mollusca: Bivalvia). In: Heros, V, Strong, E, Bouchet, P, Eds., Tropical Deep-Sea Benthos, volume 29. . Memoires du Museum national d'Histoire naturelle 20: 865 - 234" title="Lucinidae of the Philippines: highest known diversity and ubiquity of chemosymbiotic bivalves from intertidal to bathyal depths (Mollusca: Bivalvia)." volume="20" volumeTitle="Tropical Deep-Sea Benthos, volume 29." year="2016">Glover and Taylor 2016</bibRefCitation>
and unpublished data).
</paragraph>
<caption doi="10.3897/zookeys.899.47070.figure4" httpUri="https://binary.pensoft.net/fig/364611" pageId="0" pageNumber="109" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="109">
<emphasis bold="true" pageId="0" pageNumber="109">Figure 4.</emphasis>
<taxonomicName class="Bivalvia" family="Lucinidae" genus="Rugalucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rugalucina vietnamica" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="vietnamica">
<emphasis italics="true" pageId="0" pageNumber="109">Rugalucina vietnamica</emphasis>
</taxonomicName>
(Zorina, 1978).
<emphasis bold="true" pageId="0" pageNumber="109">
<normalizedToken originalValue="AC">A-C</normalizedToken>
</emphasis>
<taxonomicName class="Bivalvia" family="Lucinidae" genus="Pillucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Pillucina vietnamica" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="vietnamica">
<emphasis italics="true" pageId="0" pageNumber="109">Pillucina vietnamica</emphasis>
</taxonomicName>
Zorina, 1978 syntypes (ZISP), exterior of right valve and interior of left and right valves, Hainan, China, L 5.5-8.9 mm
<emphasis bold="true" pageId="0" pageNumber="109">D</emphasis>
internal drawing of
<emphasis bold="true" pageId="0" pageNumber="109">C. E, F</emphasis>
<taxonomicName lsidName="R. vietnamica" pageId="0" pageNumber="109" rank="species" species="vietnamica">
<emphasis italics="true" pageId="0" pageNumber="109">R. vietnamica</emphasis>
</taxonomicName>
Palau Semaku, Singapore (NHMUK 20150057), L 8.5 mm
<emphasis bold="true" pageId="0" pageNumber="109">
<normalizedToken originalValue="GL">G-L</normalizedToken>
</emphasis>
<taxonomicName lsidName="R. vietnamica" pageId="0" pageNumber="109" rank="species" species="vietnamica">
<emphasis italics="true" pageId="0" pageNumber="109">R. vietnamica</emphasis>
</taxonomicName>
Kungkraben Bay, eastern Thailand (NHMUK 20191072)
<emphasis bold="true" pageId="0" pageNumber="109">G</emphasis>
exterior of right valve, L 7.0 mm.
<emphasis bold="true" pageId="0" pageNumber="109">H</emphasis>
exterior of left valve, L 7.0 mm
<emphasis bold="true" pageId="0" pageNumber="109">I, J</emphasis>
interior of left and right valves, L 7.7 mm
<emphasis bold="true" pageId="0" pageNumber="109">K</emphasis>
dorsal view L 5.6 mm
<emphasis bold="true" pageId="0" pageNumber="109">L, M</emphasis>
detail of hinge of
<emphasis bold="true" pageId="0" pageNumber="109">I</emphasis>
and
<emphasis bold="true" pageId="0" pageNumber="109">J</emphasis>
.
<emphasis bold="true" pageId="0" pageNumber="109">N</emphasis>
Section through gill of
<taxonomicName class="Bivalvia" family="Lucinidae" genus="Rugalucina" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Rugalucina vietnamica" order="Lucinida" pageId="0" pageNumber="109" phylum="Mollusca" rank="species" species="vietnamica">
<emphasis italics="true" pageId="0" pageNumber="109">Rugalucina vietnamica</emphasis>
</taxonomicName>
Kungkraben Bay, Thailand showing filaments with ciliary (cz) and bacteriocyte zones (bz). Critical-point dried preparation
<emphasis bold="true" pageId="0" pageNumber="109">O</emphasis>
detail showing abundant bacterial symbionts in bacteriocytes. Scale bars: 20
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="109">N</emphasis>
); 10
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="109">O</emphasis>
).
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>